CN115067029B - Corn and soybean composite planting seeder capable of adjusting distance - Google Patents

Abstract

The application belongs to the field of composite planting technology application equipment, and particularly relates to a corn and soybean composite planting seeder capable of adjusting a variable distance, which comprises a seeder body which is driven by external power equipment and is connected with the seeder body, wherein the seeder body comprises a walking frame, one side of the walking frame is provided with a seeding element, the upper end of the walking frame is provided with a longitudinal transmission mechanism for driving the seeding element to perform free movement adjustment, one side of a furrow opener close to a seed sowing mechanism is provided with an auxiliary moving device, and the seed sowing mechanism comprises a front end cover, a rear end cover, an air suction assembly, a seed conveying disc and an air blocking mechanism. The corn soybean seedling planting device is reasonable in design, simple in structure, convenient to process, capable of conveniently and effectively adjusting the seed falling position and the crop belt spacing during corn soybean planting, capable of reducing labor intensity, capable of improving working process, capable of meeting use requirements, capable of providing a good growth environment for crops, remarkable in practicality and suitable for large-scale popularization.

Description

Corn and soybean composite planting seeder capable of adjusting distance

Technical Field

The application belongs to the field of composite planting technology application equipment, and particularly relates to a corn and soybean composite planting seeder with variable spacing adjustment.

Background

The corn and soybean strip composite planting is not one row of corn and one row of soybean, and most of the current test point tests are two rows of corn and two to four rows of soybean, so that the strip composite planting is called strip composite planting, and the requirements of two crops can be met without shielding light.

Due to the regular growth of crops, soybeans and corns naturally have the problem of competing for land. The biggest benefit of corn and soybean banded composite planting is that the problem of soybean and corn competing for land can be solved. Corn is not planted when soybean is planted in the past, and soybean is not planted when corn is planted. Under the condition of the strip-shaped composite planting of the soybeans and the corns, the corn can be basically not reduced in yield and can be stably produced, and meanwhile, one season of soybeans can be collected more, 100 kg to 150 kg of soybeans can be collected more per mu of land, and the demand on the soybeans is greatly increased and the import quantity is increased rapidly along with the improvement of the living standard, and the development of animal husbandry. At present, domestic soybeans can meet the requirements of edible consumption, and imported soybeans are mainly used for the requirements of edible vegetable oil, animal husbandry feed proteins and the like. The production of soybean and oil is enlarged, and the broad bean and corn banded compound planting is actively promoted.

The corn and soybean strip composite planting has been tried for many years, especially in southwest area, the current national planting area has reached 700 tens of thousands of acres, and the planting mode and planting technology have been basically mature. 2022 is the first year of large-area broad bean and corn banded composite planting in China, a novel agricultural management main body and a service organization will actively bear the composite planting task, learn and master the proper mode and key technical key, ensure to realize the expected effect and play a good demonstration and carrying role.

In the prior art, in the composite planting process of corn and soybean, the problem of sowing the corn and the soybean simultaneously is always plagued by people, and the method is mainly characterized in that: most people utilize the seeder among the prior art to carry out batch seeding, not only increase people's work burden like this, the seeding working process is restricted simultaneously, work efficiency is low, can consume a large amount of time costs, moreover, because the soybean easily appears lodging, and maize overgrowth also can appear lodging, and then can influence the growth of crop, in addition to current adoption spraying medicine makes the plant more robustly to this kind of condition, people can also adopt the mode of expanding the area interval to realize, if utilize the batch to carry out seeding planting, although can control the seeding position by people, but still relatively comparatively complicated, still need people to measure or other modes carry out the volume seeding interval, even place different crop seeds in a seeder and sow, like this the planting interval between the crop still can't carry out the free adjustment, the same intensity of labour and the work load that have increased people, the practical effect is poor, and be difficult to satisfy people's user demand, and to planting the same crop of planting in the same direction, the position of falling between two adjacent crops also has certain influence to whether can grow strongly.

Disclosure of Invention

Aiming at the technical problems of sowing work in the corn and soybean composite planting process, the application provides the corn and soybean composite planting planter which is reasonable in design, simple in structure, convenient to process and capable of conveniently and effectively adjusting the seed falling position and the spacing of crop planting belts in the corn and soybean planting process, further reducing the labor intensity of people, reducing the workload, improving the working process and the working efficiency, meeting the use requirement and providing good growing environment for the subsequent growth of crops.

In order to achieve the above purpose, the technical scheme adopted by the application is that the corn and soybean composite planting seeder with adjustable space comprises a seeder body which is driven by external power equipment and is connected with the seeder body, the seeder body comprises a walking frame, one side of the walking frame is provided with a seeding element, the seeding element comprises a supporting plate which is designed to be hollow rectangular, the upper end of the supporting plate is provided with a seed inlet cover, the lower end of the inner side of the supporting plate is provided with a seed discharging mechanism, one side lower end of the supporting plate is provided with a furrow opener, one side of the rear of the supporting plate is provided with a leveling mechanism, the upper end of the walking frame is provided with a longitudinal transmission mechanism which is used for driving the seeding element to perform free movement adjustment, one side of the furrow opener which is close to the seed discharging mechanism is provided with an auxiliary moving device, the seed discharging mechanism comprises a front end cover, a rear end cover, a suction assembly, a seed conveying disc and a gas blocking mechanism, one side of the front end cover is provided with a holding cover and is connected with the lower end of the seed inlet cover, the gas blocking mechanism comprises a fixing seat and a driving part which is arranged on one side of the rear lower side, a rotating plate is arranged in the fixing seat, one end of the rotating plate is provided with an end, and one end of the rotating plate is designed to run through the rotating plate and is provided with an eccentric end cover, and an eccentric end cover is arranged in the rotating plate and is provided with an eccentric end plate and an end cover.

Preferably, the two longitudinal rotating mechanisms are arranged, one longitudinal transmission mechanism is connected with the two sowing elements, the longitudinal transmission mechanism comprises a box body, a limiting slide bar is arranged on the inner side of the box body, a forward and reverse bidirectional screw rod is arranged in the box body, a moving block is arranged on the forward and reverse bidirectional screw rod, and a connecting plate in an engineering design is arranged on one side of the moving block and is connected with the supporting plate through bolts.

Preferably, the notch matched with the rotating plate is formed in the rear end cover at the penetrating position of the rotating plate, the air suction assembly comprises an air outlet pipe arranged on one side of the rear end cover, a confluence cover is arranged in the rear end cover, an air duct is arranged on the periphery of the confluence cover, a plurality of air ducts are arranged at the front ends of the air ducts and are provided with annular pipes which are in semicircular design and are communicated with the air ducts, a rotating shaft is arranged on one side of the confluence cover, the seed conveying disc is arranged on the rotating shaft and rotates relative to the confluence cover, and the other end of the rotating shaft penetrates to the outside of the front end cover.

Preferably, the auxiliary moving device comprises a shell, a universal wheel capable of rotating relative to the shell is arranged below the shell, a connecting support which is in concave design is arranged on the universal wheel, a through hole is formed in the connecting support, a vertical rod is arranged in the shell, a rotating plate is arranged on the vertical rod, a limit sleeve is arranged on one side of the vertical rod, a lifting locking rod is arranged in the limit sleeve, a connecting rod is arranged between the rotating plate and the lifting locking rod, a damping spring is sleeved on the periphery of the lifting locking rod and is located in the limit sleeve, the lifting locking rod penetrates through the shell and is in a design of the limit sleeve and corresponds to the through hole, a pull rope is arranged at one end of the rotating plate, and a limit lock rod which is in F-shaped design is arranged at the upper end of the shell.

Preferably, a plurality of seed placement grooves which are designed in a dustpan shape are formed in corners in the seed conveying disc, the seed placement grooves correspond to the positions of the circular tubes, a blanking plate is further arranged on the inner side of the front end cover, one side of the blanking plate is attached to the seed conveying disc, and gaps for conveniently rotating the seed conveying disc are reserved.

Preferably, the leveling mechanism comprises a rotating frame which is arranged on one side of a supporting plate and is in an H-shaped design, leveling wheels are arranged at the lower end of the rotating frame, a placing frame which is in a concave design is arranged on one side of the supporting plate, a damping mechanism is arranged between the placing frame and the rotating frame, a vertical frame which is in an H-shaped design is arranged at the lower end of the rotating frame, soil poking wheels are obliquely arranged at the two ends of the vertical frame, a hack lever which is in a T-shaped design is arranged at the lower end of the vertical frame, and two auxiliary wheels are symmetrically arranged at the two sides of the lower end of the hack lever.

Preferably, the walking wheel is arranged at the lower end of the walking frame, the connecting frame is arranged at one side of the upper end of the walking frame, the furrow opener comprises a vertical plate arranged at the lower end of the supporting plate, and a furrow plough is arranged at one side of the vertical plate.

Compared with the prior art, the application has the advantages and positive effects that,

1. according to the corn and soybean composite planting seeder with adjustable space, the longitudinal transmission mechanism is arranged, so that the relative positions of seeding elements are freely adjusted, the labor intensity of people is reduced to a certain extent, the workload is reduced, the seeding working process is effectively improved, the practicability is high, the space between the same crops in the same planting direction can be freely adjusted through the air blocking mechanism, the adjacent crops of the same species are ensured to have good growing environments, the using functionality of device equipment is improved, different using requirements of people are met, and the working efficiency is greatly improved; this device reasonable in design, simple structure, processing are convenient and can be convenient realize effectively adjusting its seed position and crop planting area interval that falls to maize soybean planting in-process, and then reduce people's intensity of labour, reduce work load, improve work progress and work efficiency, satisfy the user demand to the follow-up growth of crop provides good growth environment.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort to a person skilled in the art.

FIG. 1 is an isometric view of a variable spacing corn soybean compound planter;

FIG. 2 is an isometric view of another view of a variable spacing corn soybean composite planter;

FIG. 3 is a bottom isometric view of a variable spacing corn and soybean compound planter structure;

FIG. 4 is a structural side view of a variable pitch corn soybean compound planter;

FIG. 5 is a schematic view of the longitudinal transmission mechanism;

FIG. 6 is a structural elevation view of the longitudinal transmission mechanism;

FIG. 7 is an exploded view of a portion of the structure of the mechanism;

FIG. 8 is a rear view schematic of the front end cap;

FIG. 9 is a partial structural elevational view of the mechanism of the lower species;

FIG. 10 is a side view of a portion of the internal structure of the mechanism;

FIG. 11 is a schematic diagram of an internal structure of the auxiliary mobile device;

FIG. 12 is a schematic view of a bottom isometric view of the auxiliary mobile device;

in the above figures, 1, a seeder body; 2. a walking frame; 21. a walking wheel; 22. a connecting frame; 3. a support plate; 4. a seed inlet cover; 5. a seed sowing mechanism; 51. a front end cover; 52. a rear end cover; 53. a suction assembly; 54. a seed conveying disc; 55. a gas blocking mechanism; 56. a rotating shaft; 511. a housing cover; 521. a notch; 531. an air outlet pipe; 532. a confluence cover; 533. an air duct; 534. a grommet; 541. a seed placement groove; 551. a fixing seat; 552. a rotating plate; 553. an adapter plate; 554. a motor; 555. an eccentric disc; 6. a furrow opener; 61. a vertical plate; 62. digger plow; 7. a leveling mechanism; 71. a rotating frame; 72. a leveling wheel; 73. a placing rack; 74. a damping mechanism; 75. a vertical frame; 76. a soil poking wheel; 77. a hack lever; 78. an auxiliary wheel; 8. a longitudinal transmission mechanism; 81. a case body; 82. a limit slide bar; 83. a forward and reverse bidirectional screw rod; 84. a moving block; 85. a connecting plate; 9. an auxiliary moving device; 91. a housing; 92. a universal wheel; 93. a connecting bracket; 94. a vertical rod; 95. a rotating plate; 96. a limit sleeve; 97. lifting locking rod; 98. a connecting rod; 99. a damping spring; 931. a through hole; 10. a pull rope; 11. a limit lock rod; 12. and (5) blanking plates.

Detailed Description

In order that the above objects, features and advantages of the application will be more clearly understood, a further description of the application will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present application and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced otherwise than as described herein, and therefore the present application is not limited to the specific embodiments of the disclosure that follow.

As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, fig. 9, fig. 10, fig. 11 and fig. 12, a variable-spacing-adjustment corn and soybean composite planting planter comprises a planter body 1 which is driven by external power equipment and is connected with the planter body, wherein the planter body 1 comprises a walking frame 2, one side of the walking frame 2 is provided with a sowing element, the sowing element comprises a supporting plate 3 which is in a hollow rectangular design, the upper end of the supporting plate 3 is provided with a seed inlet cover 4, the lower end of the inner side of the supporting plate 3 is provided with a seed sowing mechanism 5, the lower end of one side of the supporting plate 3 is provided with a furrow opener 6, one side of the rear side of the supporting plate 3 is provided with a leveling mechanism 7, the establishment of the devices is similar to the prior art, and the specific working principle, working mode and the like are not repeated herein; specifically, in order to effectively complete the convenient adjustment of the spacing of the crop planting belt, the upper end of the walking frame 2 is provided with a longitudinal transmission mechanism 8 for driving the sowing element to perform free movement adjustment, one side of the furrow opener 6 close to the sowing mechanism 5 is provided with an auxiliary moving device 9 which mainly plays an auxiliary moving role in the adjustment process of the spacing of the sowing element so as to ensure the smoothness of the sowing element, the sowing mechanism 5 comprises a front end cover 51, a rear end cover 52, an air suction assembly 53, a seed conveying disc 54 and an air blocking mechanism 55, the front end cover 51 and the rear end cover 52 are used for realizing temporary storage of crop seeds so as to provide convenience for the rotation and removal of the seed conveying disc 54, and the front end cover 51 and the rear end cover 52 far away from one end of the sowing mechanism are internally combined with seed falling channels, so that the crop seeds can effectively fall into the soil after being ditched and wait for the subsequent treatment; one side of the front end cover 51 is provided with a containing cover 511 and is connected with the lower end of the seed inlet cover 4, so that crop seeds can effectively enter the seed inlet cover, and the seed inlet cover is good in practicability, wherein the lower end in the containing cover 511 is inclined, so that the crop seeds can conveniently slide to the rotating path of the seed conveying disc 54, and convenience is brought to the rotation of the seed conveying disc for driving the seeds to make a half cycle; further, the air blocking mechanism 55 includes a fixing seat 551 and a driving component disposed at one side below the rear end cover 52, a rotating plate 552 is disposed in the fixing seat 551, one end of the rotating plate 552 penetrates into the rear end cover 52, an adapting plate 553 with a minor arc design is disposed at one end of the rotating plate 552, the driving component includes a motor 554, an eccentric disc 555 is disposed at an output end of the motor 554, and the eccentric disc abuts against the adapting plate 553, which is specifically described as: when the crop seeds fall normally without the participation of the air blocking mechanism 55, the distance between adjacent crops is acted by the travelling speed of the seeder body 1 and the distance between the seed grooves 541 arranged on the seed conveying disc 54, namely, the travelling speed is high, the distance between the adjacent seed grooves 541 is large, the distance between the seed falling positions is larger, and vice versa, but by changing the running speed and the distance between the seed grooves 541 on the seed conveying disc 54, the planting process can be influenced to a certain extent, and the replacement of the seed conveying disc 54 is more complex and complicated, and the practicability is not high, so that in order to further realize the free adjustment of the adjacent distance between the same crops, the air blocking mechanism 55 can realize the following specific working procedures: the motor 554 drives the eccentric disc 555 to rotate and act on the adapting plate 553, under the limitation of the fixing seat 551, the rotating plate 552 rotates, namely, the rotating plate does reciprocating motion far away from the conducting position (suction port) of the loop pipe 534 and the air duct 533 and rotating above the loop pipe 534, so as to freely control the suction force at the position of the rotating plate, and further description needs to be given: the maximum height of the crop seeds stored in the front end cover 51 and the rear end cover 52 is not more than the lowest end of the seed suction area where the collar 534 is located, and in this embodiment, the purpose of the air blocking mechanism 55 disposed at the position on the collar 534 where the second air duct 533 is in communication with it is: on the one hand, the seeds are not affected to be effectively attracted, on the other hand, the air blocking treatment is performed here, that is, the attraction force is temporarily blocked, the rising height of the crop seeds is not high, the crop seeds can effectively fall into an unsown seed storage area, relatively, the usage functionality is stronger, in addition, considering that the setting position of the air blocking mechanism 55, the movement period of the motor 554 driving the eccentric disc 555 to drive the rotating plate 552 (recording that the period from the initial far-away state to the blocking ring pipe 534 and back to the initial far-away state is one period) is the same as the movement period of the rotating shaft 56 driving the seed conveying disc 54 to rotate (the first seed in the seed conveying disc 54 rotates to the horizontal position of the rotating plate 552 after being attracted and until the second seed moves to the horizontal position of the rotating plate 552 is one period), which is specifically described as follows: in the process of turning to the horizontal state, the first seed is attracted and rotated, when the first seed rotates to the horizontal state of the rotating plate 552, the first seed is temporarily blocked by the first seed to drop, at the moment, the second seed is just attracted, and then in the resetting process of the rotating plate 552, the second seed just passes through the horizontal state of the rotating plate 552, and then subsequently rotates along with the seed conveying disc 54, finally, seeds are guided out through the other end to finish seed falling, and of course, people can set the movement period according to the planting interval of adjacent crops, so that different use requirements of people are met; because the end size of the rotating plate 552 in the air blocking mechanism 55 is larger than the specification size of the conducting part of the air duct 533 and the annular pipe 534, the conducting part has slightly larger attractive force than other parts of the annular pipe 534, and when the rotating plate 552 rotates to the plane where the seed placing groove 541, the air duct 533 and the annular pipe 534 are in the conducting part, seeds in the seed placing groove fall off and are fused with other unsown seeds due to the lack of attractive force to wait for subsequent sowing; in the above process: the vertical transmission mechanism 8 is arranged, so that the relative position of the sowing element is freely adjusted, the labor intensity of people is reduced to a certain extent, the workload is reduced, the sowing working process is effectively improved, the practicability is high, the air blocking mechanism 55 is arranged, the free adjustment of the planting distance of the same crop in the same planting direction can be realized, the good growing environment of adjacent crops of the same species is ensured, the using functionality of the device is improved, the different using requirements of people are met, and the working efficiency is greatly improved; this device reasonable in design, simple structure, processing are convenient and can be convenient realize effectively adjusting its seed position and crop planting area interval that falls to maize soybean planting in-process, and then reduce people's intensity of labour, reduce work load, improve work progress and work efficiency, satisfy the user demand to the follow-up growth of crop provides good growth environment.

In order to fully realize the free regulation to the position that seeding element is located to convenient realization is provided with two to the adjustment of crop area interval, and a vertical rotary mechanism 8 is connected with two seeding elements, and wherein, two seeding elements that are located the center both sides are used for the planting of soybean, and two seeding elements in the outermost are used for realizing the planting of maize, and its planting mode accords with current maize soybean compound planting technique, and the usability is strong, specifically speaking: the longitudinal transmission mechanism 8 comprises a box body 81, a limit slide bar 82 is arranged on the inner side of the box body 81, a forward and reverse bidirectional screw rod 83 is arranged in the box body 81, a moving block 84 is arranged on the forward and reverse bidirectional screw rod 83, a connecting plate 85 which is in a I-shaped design is arranged on one side of the moving block 84, and the connecting plate is connected with the supporting plate 3 through bolts, and is specifically described as follows: the corners around one side of the moving block 84 are provided with sliding blocks and are connected to the limiting sliding bar 82 in a clamping manner, the connecting manner between the sliding blocks and the forward and reverse bidirectional screw rod 83 is the prior art, and is not repeated herein, when the forward and reverse bidirectional screw rod 83 is controlled by external power input equipment, two moving blocks 84 in a longitudinal rotating mechanism are moved relatively or oppositely, so that under the action of the connecting plate 85, seeding elements are driven to move, people can adjust the relative positions of the sliding blocks according to specific use requirements, the crop planting spacing is adjustable, the band spacing is enlarged or reduced by the realization of adaptability, and different production and use requirements of people are met.

In order to improve the rationality of the design of the device, the rear end cover 52 of the penetrating part of the rotating plate 552 is provided with a notch 521 adapted to the rotating plate 552, which provides convenience for the convenient insertion of the rotating plate 552, and what needs to be further explained is that: because crop seeds need to utilize the subassembly 53 of inhaling to guarantee its stability in the rotation in-process, consequently, the interval between seed delivery dish 54 and the ring canal 534 can not be too big, and be less than the specification size of seed, the pivoted plate 552 of design based on this, its thickness is also less than the minimum size of crop seeds, on the one hand can ensure that crop seeds can not take place to drop from notch 521, on the other hand can also ensure that seed delivery dish 54 and pivoted plate 552 carry out corresponding motion and not influenced, guarantee that the device equipment has good practicality, specifically speaking: the air suction component 53 comprises an air outlet pipe 531 arranged on one side of the rear end cover 52, a confluence cover 532 is arranged in the rear end cover 52, an air duct 533 is arranged on the periphery of the confluence cover 532, a plurality of annular pipes 534 which are semicircular in design are arranged at the front ends of the air ducts 533 and are communicated with the air duct 533, a rotating shaft 56 is arranged on one side of the confluence cover 532, a seed conveying disc 54 is arranged on the rotating shaft 56 and rotates relative to the confluence cover 532, and the other end of the rotating shaft 56 penetrates through the outer part of the front end cover 51, and the air suction component is specifically described as follows: the outlet duct 531 is connected with peripheral gas suction device, and gaseous via ring canal 534, air duct 533, conflux cover 532 and outlet duct 531 to the suction area is formed in ring canal 534 regional department under gas suction device's effect, and when seed delivery dish 54 was through the bottommost, was filled with the crop seed in the seed placement groove 541 when it initially rotated to suction area department, and the crop seed just under its effect, makes the crop seed temporarily be relatively stable and stays in seed placement groove 541, has brought the convenient condition for its realization seed fall that follows, has improved work progress.

In order to meet the smoothness of adjustment between crop strips in the use process of lifting device equipment, specifically speaking, the auxiliary moving device 9 comprises a shell 91, a universal wheel 92 capable of rotating relative to the shell 91 is arranged below the shell 91, a connecting bracket 93 in concave design is arranged on the universal wheel 92, a through hole 931 is formed in the connecting bracket 93, a vertical rod 94 is arranged in the shell 91, a rotating plate 95 is arranged on the vertical rod 94, a limit sleeve 96 is arranged on one side of the vertical rod 94, a lifting locking rod 97 is arranged in the limit sleeve 96, a connecting rod 98 is arranged between the rotating plate 552 and the lifting locking rod 97, a damping spring 99 is sleeved on the periphery of the lifting locking rod 97 and is positioned in the limit sleeve 96, the lifting locking rod 97 penetrates through the shell 91 and the limit sleeve 96, and corresponds to the through hole 931, a pull rope 10 is arranged at one end of the rotating plate 95, a limit rod 11 in F-shaped design is arranged at the upper end of the shell 91, and the auxiliary moving device is specifically described as follows: in the normal operation and use of the seeder body 1, the universal wheel 92 faces the advancing direction of the seeder body 1, namely, the lifting locking rod 97 is in a state of being inserted into the connecting bracket 93, one end of the corresponding pull rope 10 is positioned at the uppermost end of the limiting lock rod 11 so as to ensure the orientation stability of the universal wheel 92, wherein, considering the use strength of the pull rope 10, a rigid rope or a brake wire on a bicycle brake can be adopted, the practical effect is obvious, the occurrence of unexpected situations such as stretch-out can be avoided, when people need to adjust the seeding elements to change the planting distance of crops, the pull rope 10 is taken down from the highest position of the limiting lock rod 11 and placed at the next stage, at this time, the rotating plate 552 rotates and under the action of the connecting rod 98, the damping spring 99 is matched, the lifting locking rod 97 is driven to be led out from the through hole 931 of the connecting bracket 93 and stays in the limiting sleeve 96, so that the limitation on the orientation of the universal wheel 92 is relieved, and the universal wheel 92 provides convenience for the convenient movement of the seeding element when the seeding element moves under the control of the longitudinal transmission mechanism 8, the practicability of the device is greatly improved, after the distance adjustment is finished, the orientation of the universal wheel 92 is adjusted, the pull rope 10 is lifted upwards, one end of the pull rope is sleeved on the limiting locking rod 11, and the lifting locking rod 97 is inserted into the through hole 931 of the connecting bracket 93 again, so that the guiding limitation is finished, and the use requirement is met; furthermore, what needs to be further explained is: considering the stability problem that stay cord 10 placed on spacing locking lever 11, can settle the clamp plate that is omega form design and fix with the bolt in its upper end for the stay cord 10 other end of limiting placement in spacing locking lever 11 department of uppermost, because crop interval adjustment in-process, seeder body 1 is in the state of relatively stabilizing, the stay cord 10 other end is placed on the pole of placing that is the J form on spacing locking lever 11, and it is relatively more stable, and, stay cord 10 tip is provided with the ring, and it also can not fall into in the casing 91, and the service function can be ensured.

In order to enable crop seeds to fall into soil after rotating for a plurality of week distances from the position of the accommodating cover 511, a plurality of seed placement grooves 541 which are in a dustpan-shaped design are formed in the corners of the seed conveying tray 54 and correspond to the positions of the ring pipes 534, on one hand, the design is matched with the air suction component 53, so that the seeds can temporarily and relatively stably stay until the seeds are separated from the suction range, and accordingly seed falling is completed, the inner side of the front end cover 51 is also provided with the blanking plate 12, one side of the blanking plate is matched with the seed conveying tray 54 and reserved with a gap for realizing convenient rotation of the seed conveying tray 54, the blanking plate 12 is connected with the front end cover 51, and when and only after the front end cover 51 and the rear end cover 52 are connected and fixed together through bolts, the blanking plate 12 is matched and matched with one side of the blanking opening in the rear end cover 52, so that the seed falling channel formed between the front end cover and the rear end cover is closed, the seed conveying tray is only guided out through gaps at the upper end of the blanking plate 12, and the blanking plate is matched with the seed conveying tray 54 and the blanking plate 53 to effectively prevent the seed from splashing.

In order to effectively level soil after planting is completed and ensure smoothness of the leveling mechanism 7 in the use process, the leveling mechanism 7 comprises a rotating frame 71 which is arranged on one side of a supporting plate 3 and is in an H-shaped design, leveling wheels 72 are arranged at the lower end of the rotating frame 71, a placing frame 73 which is in a concave design is arranged on one side of the supporting plate 3, a damping mechanism 74 is arranged between the placing frame 73 and the rotating frame 71, a vertical frame 75 which is in an H-shaped design is arranged at the lower end of the rotating frame 71, soil poking wheels 76 are obliquely arranged at two ends of the vertical frame 75, a hack lever 77 which is in a T-shaped design is arranged at the lower end of the vertical frame 75, two auxiliary wheels 78 are symmetrically arranged at two sides of the lower end of the hack lever 77, and the concrete description is as follows: the rotating frame 71 can enable the leveling wheels 72 to be adjusted in a free rotation mode relative to the sowing elements, so that the leveling wheels 72 can be better attached to the ground, the leveling working process and the working quality are improved, the leveling wheels 72 can rotate along with the running of the device equipment, the backfilled soil is flattened to a certain extent, and a favorable environment is provided for crop growth; the damping mechanism 74 is composed of a damping rod and a telescopic spring sleeved on the periphery of the damping rod, specifically speaking, the damping rod is hinged with the upper end of a supporting rod in the rotating frame 71, a positioning rod with the hinged upper end of the damping rod is arranged in the placing frame 73, and the positioning rod is fastened on the placing frame 73 by bolts, so that when the seeder body 1 walks on uneven ground, the damping mechanism 74 has good damping and buffering effects, the damage possibility of device equipment is reduced, meanwhile, the use functionality of the device equipment can be greatly improved, and a damping damper (not shown in the figure) can be arranged on one side of the rotating frame 71 in consideration of the higher speed of the seeder body 1 in the operation process; the soil poking wheel 76 that the slope set up mainly plays the effect of backfilling furrow opener 6 place dispersion in both sides soil, and the auxiliary wheel 78 then can further restrict its direction of movement, plays assistance-localization real-time's effect, and when the soil poking wheel 76 is effectively backfilling the soil, under the effect of leveling wheel 72, effectively accomplish the flattening to soil, and then ensure that the crop seed can bury in soil, for its growth convenience.

In order to effectively ensure the smoothness of the seeder body 1 in the running process, the lower end of the walking frame 2 is provided with a walking wheel 21, wherein a connecting bracket 93 which is in a triangle shape is also arranged between the walking wheel 21 and the walking frame 2 so as to provide convenience for the installation of the walking wheel 21, and of course, in order to fully promote the practicability of the seeder body 1, the selected walking wheel 21 is a universal wheel, thereby meeting the multidirectional running of the seeder body, adapting to the topography and completing the seeding work; further, a connecting frame 22 is provided on one side of the upper end of the traveling frame 2, and the connecting frame 22 is used for connecting the seeder body 1 with an external driving traction device and with equipment such as a tractor, and it is necessary to further explain that: after the connection is completed, the rotation in the vertical direction and the stability in the horizontal movement process can be realized, so that the method is effectively suitable for the topography to be planted and ensures the working process; in order to effectively enable crop seeds to fall into the soil, the furrow opener 6 comprises a vertical plate 61 arranged at the lower end of the supporting plate 3, and is convenient and fast for the auxiliary moving device 9 to be arranged, so that the crop seeds are smoother and faster in the process of adjusting the spacing of crop strips, a furrow plough 62 is arranged on one side of the vertical plate 61, the part is of the prior art, furrows the soil, the seeds can be effectively fallen, and the effective progress of planting work is guaranteed.

The present application is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present application without departing from the technical content of the present application still belong to the protection scope of the technical solution of the present application.

Claims (5)

1. The utility model provides a variable interval adjustable corn soybean composite planting seeder, includes relies on external power equipment to drive and the seeder body that is connected, the seeder body includes the walking frame, walking frame one side is provided with sowing element, sowing element includes the backup pad that is cavity rectangle form design, the backup pad upper end is provided with into kind cover, the inboard lower extreme of backup pad is provided with kind of mechanism down, one side lower extreme of backup pad is provided with the furrow opener, rear side of backup pad is provided with leveling mechanism, its characterized in that, walking frame upper end is provided with the vertical transmission mechanism that is used for driving sowing element and carries out free movement regulation, is close to furrow opener one side of kind of mechanism is provided with auxiliary moving device down, kind of mechanism includes front end cover, rear end cover, suction assembly, seed delivery dish and keeps off gas mechanism down, the front end cover one side is provided with the holding cover and is connected with the lower end of the seed inlet cover, the gas blocking mechanism comprises a fixed seat and a driving part which are arranged on one side below the rear end cover, a rotating plate is arranged in the fixed seat, one end of the rotating plate penetrates into the rear end cover, a notch which is matched with the rotating plate is formed in the rear end cover at the penetrating position of the rotating plate, the gas suction assembly comprises a gas outlet pipe which is arranged on one side of the rear end cover, a confluence cover is arranged in the rear end cover, the periphery of the confluence cover is provided with a plurality of gas guide pipes, the front ends of the gas guide pipes are provided with circular pipes which are in semicircular design and are communicated with the gas guide pipes, one side of the confluence cover is provided with a rotating shaft, the seed conveying plate is arranged on the rotating shaft and rotates relative to the confluence cover, the other end of the rotating shaft penetrates to the outer part of the front end cover, one end of the rotating plate is provided with an adaptation plate which is in a minor arc design, the utility model discloses a seed metering device, including seed metering device, front end housing, seed delivery dish, driving part, motor, eccentric disc, adapter plate, front end housing, seed delivery dish, front end housing, back end housing, seed delivery dish, motor output is provided with a plurality of seed placement grooves that are dustpan form design, and corresponds with the position of ring canal, the front end housing inboard still is provided with the flitch, and its one side laminating seed delivery dish and reserve out seed delivery dish realization convenient pivoted gap, driving part includes the motor, the output of motor is provided with eccentric disc, and its and adapter plate counterbalance are leaned on.

2. The variable-spacing corn and soybean composite planting seeder according to claim 1, wherein two longitudinal transmission mechanisms are arranged, one longitudinal transmission mechanism is connected with two seeding elements, the longitudinal transmission mechanism comprises a box body, a limit sliding bar is arranged on the inner side of the box body, a forward and reverse bidirectional screw rod is arranged in the box body, a moving block is arranged on the forward and reverse bidirectional screw rod, and a connecting plate in a worker-shaped design is arranged on one side of the moving block and is connected with a supporting plate through a bolt.

3. The corn and soybean composite planting seeder with adjustable distance according to claim 2, wherein the auxiliary moving device comprises a housing, a universal wheel capable of rotating relative to the housing is arranged below the housing, a connecting bracket in a concave design is arranged on the universal wheel, a through hole is arranged in the connecting bracket, a vertical rod is arranged in the housing, a rotating plate is arranged on the vertical rod, a limit sleeve is arranged on one side of the vertical rod, a lifting locking rod is arranged in the limit sleeve, a connecting rod is arranged between the rotating plate and the lifting locking rod, a damping spring is sleeved on the periphery of the lifting locking rod and is positioned in the limit sleeve, the lifting locking rod penetrates through the housing and is designed in the limit sleeve and corresponds to the through hole, a pull rope is arranged at one end of the rotating plate, and a limit locking rod in an F-shaped design is arranged at the upper end of the housing.

4. The corn and soybean composite planting seeder with adjustable distance according to claim 3, wherein the leveling mechanism comprises a rotating frame which is arranged on one side of a supporting plate and is in an H-shaped design, leveling wheels are arranged at the lower end of the rotating frame, a placing frame which is in a concave design is arranged on one side of the supporting plate, a damping mechanism is arranged between the placing frame and the rotating frame, a vertical frame which is in an H-shaped design is arranged at the lower end of the rotating frame, soil poking wheels are obliquely arranged at two ends of the vertical frame, a hack lever which is in a T-shaped design is arranged at the lower end of the vertical frame, and two auxiliary wheels are symmetrically arranged at two sides of the lower end of the hack lever.

5. The variable-spacing corn and soybean composite planting and sowing machine according to claim 4, wherein the walking wheel is arranged at the lower end of the walking frame, the connecting frame is arranged at one side of the upper end of the walking frame, the furrow opener comprises a vertical plate arranged at the lower end of the supporting plate, and a furrow plough is arranged at one side of the vertical plate.