CN114303540B

CN114303540B - Spacing adjustable seeder for farming

Info

Publication number: CN114303540B
Application number: CN202111607453.7A
Authority: CN
Inventors: 党新安; 张燕霞; 陈锋; 李子豪
Original assignee: Xuzhou Jiahe Agricultural Technology Co ltd
Current assignee: Xuzhou Jiahe Agricultural Technology Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2023-06-02
Anticipated expiration: 2041-12-27
Also published as: CN114303540A

Abstract

The invention discloses a spacing-adjustable seeding device for agricultural planting, which comprises an outer shell, an engine, an operating rod, a control module, a wheel shaft, a wheel module, a seed box, an annular sleeve, an inoculating disc, a seeding pipe, an inoculating groove, a through hole, a seed discharging pipe, a transmission gear, a linkage gear, a disc shaft, a speed change mechanism and a vibration discharging mechanism, wherein the engine is arranged on the outer shell. The invention not only can be convenient for adjust the seeding interval according to the demand of different seeds on the seeding interval, but also can utilize the rotation of the wheel module to seed, thereby ensuring the uniformity of the seeding interval, being beneficial to improving the yield of crops, in addition, the seed box can vibrate in the seeding process, thereby avoiding the seeds from blocking the seed box channel, in addition, in the technical scheme, the structure of the speed change mechanism is invariable all the time due to the circumference of the transmission belt, so the service life of the transmission belt can be ensured, the service life of the speed change mechanism can be further improved, and the failure rate of the speed change mechanism can be reduced.

Description

Spacing adjustable seeder for farming

Technical Field

The invention relates to the technical field of agricultural machinery, in particular to a sowing device with adjustable spacing for agricultural planting.

Background

The people in China are numerous in population, in order to ensure the food in the clothing and eating residence of people, remove domestic produced grains, import some foreign grains, and greatly develop agriculture in order to reduce the dependence on foreign imported grains, so that various agricultural machines are very needed in China, not only are efficiency improved, but also the labor intensity of farmers is reduced, and in the process of planting crops, the agricultural machines needed in the early stage have soil turning machines and seeding machines;

however, the existing seeding device for agricultural planting has more or less problems when in use:

1. the existing agricultural planting seeding device is inconvenient to adjust the spacing, the existing agricultural planting seeding device either manually controls a switch to enable seeds to fall down or controls the switch to be matched with a timing structure to perform timing and quantitative seeding, but the two modes have certain problems, such as the first mode, due to manual control, the same spacing of seeding cannot be ensured, and further more or less seeding is possibly caused, the more seeding can cause too crowding of crops, so that the growth of the crops is not facilitated, the less seeding can cause the reduction of the yield of grains, and the second mode, though not manually controlled, can not ensure uniform speed during mechanical movement due to timing control, can not ensure that the spacing between the seeds is in a reasonable range, and in addition, due to different requirements of different crops on the range of the spacing of the seeds, the existing seeding machine cannot meet the seeding requirements;

2. the existing seeding device for agricultural planting is inconvenient for vibration blanking, as the common seed boxes are funnel-shaped, the seeds are mutually extruded in the using process, so that the channel is blocked, and the seeds can not fall down;

therefore, there is a need for a spacing-adjustable agricultural planting seed planting device to address the above-described problems.

Disclosure of Invention

The invention aims to provide a sowing device for agricultural planting with adjustable spacing, which solves the problems that the conventional sowing device for agricultural planting is inconvenient to adjust sowing and easily causes seeds to block a channel in the prior art.

In order to achieve the above purpose, the present invention provides the following technical solutions:

the utility model provides a spacing adjustable seeder for farming, includes shell body, engine, action bars, control module, shaft, wheel module, seed case, ring cover, inoculation dish, seeding pipe, inoculation recess, through-hole, down kind of pipe, drive gear, linkage gear, dish axle, speed change mechanism and vibrations unloading mechanism, install the engine on the shell body, and be connected with the action bars on the shell body, install control module on the action bars, the bearing runs through there is the shaft on the shell body, and the both ends of shaft all install the wheel module, the wheel module is connected with the engine, and the engine is connected with control module, the internally mounted of shell body is provided with the ring cover, and the internally mounted of ring cover has the inoculation dish, inoculation dish key-way is in the middle part outside of dish axle, and the outward flange surface equiangular distribution of inoculation dish has the inoculation recess, the through-hole that corresponds with the inoculation recess is reserved to the upper end of ring cover, and the lower extreme link-up of ring cover is connected with the action bars, the upper surface of shell body has the through-hole that corresponds with the through-hole, and the through-hole inner bearing runs through the wheel module is installed to the wheel module, and the motor is connected with the other end of the gear in the shell body, the surface mounting in the gear of the shell body is connected with the surface of another end of the gear, the gear is connected with the surface of the gear box is just the vibration mechanism.

By adopting the technical scheme, the rotation and the drive gear and the linkage gear through the wheel module can be facilitated, the speed change mechanism is driven to operate, and then the disc shaft is driven to rotate, so that the inoculation disc is driven to rotate, the inoculation groove can be used for receiving fallen seeds through the rotation of the inoculation disc, the seeds can enter the sowing pipe at the sowing pipe position and fall into the field to be planted through the rotation of the inoculation disc, in addition, the speed change mechanism can be used for adjusting the rotation speed of the inoculation disc, so that the sowing interval can be adjusted, in addition, the vibration blanking mechanism can be driven to vibrate, the seeds in the seed box are prevented from blocking the passage, and the seeds cannot fall.

Preferably, the speed change mechanism comprises a threaded ring groove, a telescopic sheet, an adjusting hand wheel, a belt transmission mechanism, a lower round table part, an upper round table part, a transmission belt, a screw rod, a connecting block, a supporting tube, a belt connecting part, a spring II, a limiting channel, a limiting tube and a limiting block, wherein two ends of the disc shaft are coaxially and fixedly connected with one end of the upper round table part, the other end bearing of the upper round table part is connected with the inner surface of the outer shell, the lower round table part is also connected with the inner surface of the outer shell corresponding to the lower part, the inner parts of the lower round table part and the upper round table part are coaxially connected with one ends of 1 screw rod, the other end bearing of the screw rod penetrates through one side of the outer surface of the outer shell, 2 screw rod ends are connected through the belt transmission mechanism, the inner parts of the lower round table part and the upper round table part are respectively provided with 1 connecting block, the connecting blocks are respectively connected with the outer sides of the corresponding screw rods in a threaded manner, a supporting pipe is arranged on the connecting blocks, one end of a belt connecting piece is movably inserted into the supporting pipe, limiting channels penetrating through the inner side and the outer side of the lower round table piece and the outer side of the upper round table piece are respectively arranged on the lower round table piece and the upper round table piece, the outer sides of the lower round table piece and the upper round table piece are respectively provided with the other ends of the belt connecting pieces penetrating through the limiting channels, the other ends of the belt connecting pieces on the outer sides of the lower round table piece and the upper round table piece are connected through a transmission belt, one side of the outer surface of the outer shell is provided with a threaded ring groove, one end of a telescopic piece is connected with the inner thread of the threaded ring groove, the other end of the telescopic piece is fixedly connected with the outer edge surface of an adjusting hand wheel, one side of the adjusting hand wheel, which faces the outer shell, and the limiting blocks movably insert into the inner side of one end of the limiting pipe, and the other end of the limiting pipe is coaxially and fixedly connected with the end part of the screw rod extending to one side of the outer surface of the shell.

By adopting the technical scheme, through the connection of the limiting pipe and the limiting block, the rotation of the adjusting hand wheel can be realized, the screw rod is driven to rotate, then the connecting block on the screw rod can be made to move, the position of the transmission belt can be adjusted by utilizing the supporting pipe and the belt connecting piece through the movement of the connecting block, and the transmission belt position changes, so that the radius of the rotation of the two ends of the transmission belt can be changed through the lower round table piece and the upper round table piece, the rotation speed of the rotation of the upper round table piece can be driven by the lower round table piece, and the rotation speed of the rotation of the inoculating disc can be adjusted, thereby realizing the purpose of adjusting the sowing interval.

Preferably, the expansion sheet is composed of three parts, the first part is a threaded ring structure and is in threaded connection with the threaded ring groove, the second part is a thin sheet structure, one end of the second part is fixedly connected to one side of the threaded ring, the third part is a thick sheet structure, one end of the third part is provided with an expansion groove, the other end of the third part, which is provided with the expansion groove, is movably stretched into the other end of the thin sheet structure, and the other end of the third part is fixedly connected to the outer edge surface of the adjusting hand wheel.

By adopting the technical scheme, the operation of the belt transmission mechanism can be prevented from being influenced by the telescopic piece, the screw rod can be driven to rotate when the limiting pipe is connected with the limiting block, and the screw rod can be prevented from being influenced by the rotation of the telescopic piece when the screw rod rotates along with the lower round table piece and the upper round table piece when the limiting pipe is not connected with the limiting block.

Preferably, the limiting block and the limiting pipe are of prismatic structures which are mutually matched, and the limiting block can be completely separated from the limiting pipe.

By adopting the technical scheme, the limiting block can conveniently drive the limiting pipe along with the rotation of the adjusting hand wheel, so that the screw rod is driven to rotate, and the screw rod is prevented from rotating due to the rotation of the lower round table part and the upper round table part through the complete separation of the limiting block and the limiting pipe, so that the normal operation of the belt transmission mechanism is influenced.

Preferably, the lower round table part and the upper round table part are of congruent structures, but the diameters of the lower round table part and the upper round table part tend to increase in opposite directions, and the lower round table part and the upper round table part are of hollow structures.

By adopting the technical scheme, when the transmission belt is used, the rotation radiuses at the two ends of the transmission belt can be changed without changing the perimeter of the transmission belt, so that the service life of the transmission belt is guaranteed, and the seeding device is used.

Preferably, the structure that stay tube, belt connecting piece, spring two and spacing passageway constitute is provided with 3 with respect to the axis equi-angle of lead screw, and the belt connecting piece comprises two parts, and first part is the shaft-like structure of being connected with the stay tube, and the second part is curved concave plate structure, and the angle of the curved concave plate of second part is not more than 100, and drive belt constitutes the belt transmission structure of stretching straightly through setting up 2 curved concave plates on lower round platform spare and last round platform spare respectively.

By adopting the technical scheme, the structure formed by the 3 supporting pipes, the belt connecting piece, the second spring and the limiting channel is arranged at the same angle, so that the two ends of the driving belt can be guaranteed to move circularly, and the driving belt can be guaranteed to be used stably, so that the speed change mechanism can operate.

Preferably, the vibration blanking mechanism comprises a supporting ring, a lifting rod, a first spring and a cam, wherein the supporting ring is arranged on the outer side of the seed box, one end of the lifting rod is connected with the lower end of the supporting ring, the other end of the lifting rod movably penetrates through and stretches into the outer shell, the first spring is arranged on the outer side of the part of the lifting rod, which stretches into the outer shell, the cam is connected with the outer side of the disc shaft in a key-type manner, and the positions of the cam and the lower ends of the lifting rods are arranged in a one-to-one correspondence manner.

Adopt above-mentioned technical scheme, can be convenient for when speed change mechanism operates, drive cam rotation and the effect of spring one, can be convenient for constantly strike the lifting pole, and then can constantly raise the seed case through the riding ring, and make the seed case whereabouts to contact vibrations with the shell body after that, and then can avoid the seed to block up the passageway of seed case, so that the seed in the seed case can fall smoothly, avoided putting the seed less or constantly dredge the trouble of blocking, help the peasant to use, and can improve work efficiency and effect.

Preferably, the transmission gear and the linkage gear are respectively connected with the outer side of the wheel shaft and the outer side of the lower round platform part in a key way, and the gear ratio of the transmission gear and the linkage gear is not more than 0.2.

By adopting the technical scheme, the gear ratio of the transmission gear and the linkage gear can be conveniently utilized, so that the rotary table can be driven to rotate more conveniently than light, the energy consumption of the rotary table under the driving of the engine is reduced, and the energy conservation and emission reduction are facilitated.

Compared with the prior art, the invention has the beneficial effects that: the agricultural planting sowing device with adjustable spacing not only can be convenient for adjusting the sowing spacing according to the requirement of different seeds on the sowing spacing, but also can utilize the rotation of the wheel module to sow, thereby ensuring the uniformity of the sowing spacing and being beneficial to improving the yield of crops, in addition, the sowing device can vibrate a seed box in the sowing process, thereby avoiding the seeds from blocking the seed box channel, in addition, in the technical scheme, the structure of the speed changing mechanism can ensure the service life of the transmission belt because the circumference of the transmission belt is invariable all the time, further improving the service life of the speed changing mechanism and reducing the failure rate of the speed changing mechanism,

1. the wheel module rotates to drive the wheel shaft to rotate, and then the lower round platform piece is driven to rotate by the transmission gear and the linkage gear, so that the upper round platform piece drives the disc shaft to rotate, the purpose of driving the inoculation disc to rotate for receiving and discharging is achieved, in the process, the position of the transmission belt can be adjusted through the rotation of the screw rod in the speed changing mechanism, the radius of rotation of two ends of the transmission belt is changed, the rotation speed of the inoculation disc is changed, and the seeding interval is not only adjustable, but also uniform due to the direct relation between the rotation speed of the wheel module and the rotation speed of the inoculation disc, so that the crop yield is improved;

2. in the seeding process of the seeding device, the upper round table piece on the speed changing mechanism rotates to drive the cam to rotate so as to stir the lifting rod, and in addition, under the action of the first spring, the lifting rod can continuously reciprocate up and down so as to drive the seed box to continuously reciprocate up and down, and when the seed box moves down, the seed box can be impacted with the outer shell body in a touching way, so that vibration is generated inside the seed box, the channel is prevented from being blocked by seeds in the seed box, the labor intensity of farmers is reduced, and the working efficiency is improved.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is an enlarged schematic view of the structure of the point A in FIG. 1 according to the present invention;

FIG. 3 is a schematic cross-sectional view of the present invention;

FIG. 4 is an enlarged schematic view of the structure of the point B in FIG. 3 according to the present invention;

FIG. 5 is a schematic view of the longitudinal cross-sectional structure of the present invention;

FIG. 6 is an enlarged schematic view of the structure of the point C in FIG. 5 according to the present invention;

FIG. 7 is a schematic view of a partial cross-sectional structure of the present invention;

FIG. 8 is a schematic diagram of the cross-sectional structure of the lower cone and the upper cone of the present invention;

FIG. 9 is an enlarged schematic view of the structure of the point D in FIG. 8 according to the present invention;

fig. 10 is an enlarged schematic view of the structure of fig. 8 at point E according to the present invention.

In the figure: 1. an outer housing; 2. an engine; 3. an operation lever; 4. a control module; 5. a wheel axle; 6. a wheel module; 7. a seed box; 8. a backing ring; 9. a threaded ring groove; 10. a telescoping piece; 11. an adjusting hand wheel; 12. a belt drive mechanism; 13. an annular sleeve; 14. an inoculation tray; 15. sowing the tubes; 16. inoculating grooves; 17. a through hole; 18. a seed discharging tube; 19. a lifting rod; 20. a first spring; 21. a transmission gear; 22. a linkage gear; 23. a lower round platform piece; 24. a round platform piece is arranged on the upper part; 25. a cam; 26. a drive belt; 27. a screw rod; 28. a connecting block; 29. a support tube; 30. a belt connector; 31. a second spring; 32. a disc shaft; 33. a limiting channel; 34. a limiting tube; 35. and a limiting block.

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.

Referring to fig. 1-10, the present invention provides a technical solution:

the utility model provides a spacing adjustable seeder for farming, including shell 1, engine 2, action bars 3, control module 4, the shaft 5, wheel module 6, seed case 7, annular cover 13, inoculation dish 14, seeding pipe 15, inoculation recess 16, through hole 17, seed discharging pipe 18, drive gear 21, linkage gear 22, dish axle 32, speed change mechanism and vibrations unloading mechanism, install engine 2 on shell 1, and be connected with action bars 3 on shell 1, install control module 4 on the action bars 3, the bearing runs through on shell 1 has wheel shaft 5, and wheel module 6 is all installed at the both ends of shaft 5, wheel module 6 is connected with engine 2, and engine 2 is connected with control module 4, the inside of shell 1 is fixed and is provided with annular cover 13, and the internally mounted of annular cover 13 is inoculated dish 14, inoculation dish 14 key-type connection is in the middle part outside of dish axle 32, the outer edge surface of the inoculating tray 14 is uniformly distributed with inoculating grooves 16 in an angle manner, through holes corresponding to the inoculating grooves 16 are reserved at the upper end of the annular sleeve 13, a sowing pipe 15 is connected with the lower end of the annular sleeve 13 in a penetrating manner, a penetrating hole 17 corresponding to the through holes is formed in the upper surface of the outer shell 1, the lower end of a seed discharging pipe 18 extends into the penetrating hole 17, the upper end of the seed discharging pipe 18 is connected with the lower end of a seed box 7 in a penetrating manner, the seed box 7 is arranged above the upper surface of the outer shell 1, one end of a speed changing mechanism is coaxially and fixedly arranged at two ends of a tray shaft 32, the other end of the speed changing mechanism is arranged on one side of the outer surface of the outer shell 1 in a penetrating manner, and the speed changing mechanism comprises a threaded ring groove 9, a telescopic sheet 10, an adjusting hand wheel 11, a belt transmission mechanism 12, a lower round table piece 23, an upper round table piece 24, a transmission belt 26, a screw rod 27, a connecting block 28, the two ends of the disc shaft 32 are coaxially and fixedly connected with one end of the upper round table 24, the other end bearing of the upper round table 24 is connected with the inner surface of the outer shell 1, the lower round table 23 is also connected with the inner surface of the outer shell 1 corresponding to the lower part of the upper round table 24, the inner parts of the lower round table 23 and the upper round table 24 are coaxially connected with one end of a screw rod 27, the other end bearing of the screw rod 27 penetrates through one side of the outer surface of the outer shell 1, the other ends of the 2 screw rods 27 are connected through a belt transmission mechanism 12, 1 connecting block 28 is respectively arranged in the inner parts of the lower round table 23 and the upper round table 24, the connecting blocks 28 are respectively connected with the outer sides of the corresponding screw rods 27 in a threaded manner, the supporting tube 29 is arranged on the connecting blocks 28, and one end of the belt connecting piece 30 is movably inserted into the supporting tube 29, limiting channels 33 penetrating through the inner side and the outer side of the lower round table piece 23 and the upper round table piece 24 are respectively arranged on the lower round table piece 23 and the upper round table piece 24, the other ends of the belt connecting piece 30 penetrating through the limiting channels 33 are respectively arranged on the outer sides of the lower round table piece 23 and the upper round table piece 24, the other ends of the belt connecting piece 30 on the outer sides of the lower round table piece 23 and the upper round table piece 24 are connected through a transmission belt 26, one side of the outer surface of the outer shell 1 is provided with a thread ring groove 9, one end of the telescopic piece 10 is connected with the inner thread of the thread ring groove 9, the other end of the telescopic piece 10 is fixedly connected with the outer edge surface of the regulating hand wheel 11, one side of the regulating hand wheel 11 facing the outer shell 1 is provided with a limiting block 35, the limiting block 35 is movably inserted into one inner side of one end of the limiting pipe 34, the other end of the limiting pipe 34 is coaxially and fixedly connected with one end of the screw 27 extending to one side of the outer surface of the outer shell 1, through the transmission gear 21 and the linkage gear 22, the rotation of the wheel axle 5 can drive the lower round table piece 23 to rotate, and then the transmission structure between the lower round table piece 23 and the upper round table piece 24 can drive the upper round table piece 24 to rotate, and the upper round table piece 24 can drive the inoculation tray 14 to rotate when rotating, so as to achieve the purpose of sowing, and the adjusting hand wheel 11 can drive the screw rod 27 to rotate, so that the position of the connecting block 28 can be adjusted, and then the position of the transmission belt 26 can be changed, and as the lower round table piece 23 and the upper round table piece 24 are both round table-shaped, the changing trend of the diameters of the two round table pieces are opposite, the rotating radius of the two ends of the transmission belt 26 can be changed, and then the rotating speed difference between the lower round table piece 23 and the upper round table piece 24 can be changed, so as to adjust the rotating speed of the inoculation tray 14, and as the rotation of the inoculation tray 14 is directly influenced by the rotation of the wheel axle 5, so that the spacing between the sowing can be ensured to be constant, and the sowing spacing can be conveniently adjusted, thereby improving the yield of crops, the telescopic sheet 10 is composed of three parts, the first part is in a threaded ring structure and is in threaded connection with the threaded ring groove 9, the second part is in a thin sheet structure, one end of the first part is fixedly connected to one side of the threaded ring, the third part is in a thick sheet structure, one end of the third part is provided with a telescopic slot, the other end of the thick sheet structure is movably stretched into the thin sheet structure, one end of the thick sheet structure is provided with the telescopic slot, the other end of the thick sheet structure is fixedly connected to the outer edge surface of the adjusting hand wheel 11, the normal operation of the belt transmission mechanism 12 is prevented from being influenced by the telescopic sheet 10 and the connected structure, thereby ensuring that the sowing device can be normally used, the limit block 35 and the limit tube 34 are in a mutually anastomotic prismatic structure, the limit block 35 can be completely separated from the limit tube 34, the limit block 35 can conveniently drive the limit tube 34 to rotate, so that the screw rod 27 is driven to rotate, in addition, the screw rod 27 can be completely separated through the limiting block 35 and the limiting pipe 34, the influence of the rotation of the lower round table part 23 and the upper round table part 24 on the screw rod 27 is avoided, so that the normal operation of the belt transmission mechanism 12 is influenced, the lower round table part 23 and the upper round table part 24 are of an congruent structure, but the directions of the diameters of the lower round table part 23 and the upper round table part are opposite, and the diameters of the lower round table part 23 and the upper round table part 24 are both of hollow structures, so that the circumference of the transmission belt 26 is not changed, the rotation speed difference of the lower round table part 23 and the upper round table part 24 can be changed, the speed regulation is facilitated, the supporting pipe 29, the belt connection part 30, the spring II 31 and the limiting channel 33 are formed by 3 structures, the axial line of the screw rod 27 is arranged at equal angles, the belt connection part 30 is formed by two parts, the first part is of a rod-shaped structure connected with the supporting pipe 29, the second part is of an arc concave plate structure, the angle of the arc concave plate of the second part is not more than 100 degrees, and the transmission belt 26 forms a straight belt transmission structure through 2 arc concave plates respectively arranged on the lower round table part 23 and the upper round table part 24, the structure can be convenient to be arranged through the structure with 3 degrees, the structure, the symmetry and the speed change mechanism is improved, and the stability is improved.

The speed change mechanism is connected with a part of the vibration blanking mechanism, the other part of the vibration blanking mechanism is arranged at the outer side of the seed box 7, the speed change mechanism is connected with the wheel shaft 5 through a transmission gear 21 and a linkage gear 22, the vibration blanking mechanism comprises a supporting ring 8, a lifting rod 19, a first spring 20 and a cam 25, the supporting ring 8 is arranged at the outer side of the seed box 7, the lower end of the supporting ring 8 is connected with one end of the lifting rod 19, the other end of the lifting rod 19 movably penetrates into the outer shell 1, the first spring 20 is arranged at the outer side of the part of the lifting rod 19 extending into the outer shell 1, the cam 25 is connected to the outer side of the disc shaft 32 in a key manner, the position of the cam 25 is in one-to-one correspondence with the lower end of the lifting rod 19, the cam 25 is driven to rotate through the rotation of the upper round table 24 when the speed change mechanism is operated, and the lifting rod 19 can be driven to continuously move up and down by the first spring 20, so that the supporting ring 8 continuously lifts the seed box 7 and puts down the seed box 7, so that the seed box 7 is continuously impacted with the outer shell 1, vibration can be generated, the seeds in the seed box 7 can be ensured to smoothly fall, the blocking of channels by the seeds is avoided, the transmission gear 21 and the linkage gear 22 are respectively connected with the outer side of the wheel shaft 5 and the outer side of the lower round platform 23 in a key way, the gear ratio of the transmission gear 21 and the linkage gear 22 is not more than 0.2, the labor saving can be facilitated, the energy consumption of the engine 2 can be further reduced, the energy saving and emission reduction are facilitated, the contents which are not described in detail in the specification belong to the prior art (such as how the engine 2 drives the wheel module 6 to rotate, how the control module 4 is connected with the engine 2 to control, and how the wheel module 6 is connected with the wheel shaft 5, all are in the prior art, just like the process of controlling and moving by the prior sowing machine).

Claims

1. The utility model provides a spacing adjustable seeder for farming, includes shell body, engine, action bars, control module, shaft, wheel module, seed case, annular cover, inoculation dish, seeding pipe, inoculation recess, through-hole, seed discharging pipe, drive gear, linkage gear, dish axle, speed change mechanism and vibrations unloading mechanism, characterized in that, install the engine on the shell body, and be connected with the action bars on the shell body, install control module on the action bars, the bearing runs through the shaft on the shell body, and the wheel module is all installed at the both ends of shaft, the wheel module is connected with the engine, and the engine is connected with control module, the inside fixed ring cover that is provided with of shell body, and the internally mounted of ring cover has the inoculation dish, inoculation dish key-type connection is in the middle part outside of dish axle, the upper end of the annular sleeve is reserved with a through hole corresponding to the inoculation groove, the lower end of the annular sleeve is connected with a seeding pipe in a penetrating way, the upper surface of the outer shell is provided with a penetrating hole corresponding to the through hole, the penetrating hole is internally provided with the lower end of a seed discharging pipe, the upper end of the seed discharging pipe is connected with the lower end of a seed box in a penetrating way, the seed box is arranged above the upper surface of the outer shell, two ends of the disc shaft are fixedly provided with one end of a speed changing mechanism in a coaxial way, the other end of the speed changing mechanism is arranged on one side of the outer surface of the outer shell in a bearing way, the speed changing mechanism is connected with a part of a vibration discharging mechanism, the other part of the vibration discharging mechanism is arranged outside the seed box, and the speed changing mechanism is connected with a wheel shaft through a transmission gear and a linkage gear; the speed change mechanism comprises a threaded ring groove, a telescopic piece, an adjusting hand wheel, a belt transmission mechanism, a lower round table part, an upper round table part, a transmission belt, a screw rod, a connecting block, a supporting tube, a belt connecting part, a spring II, a limiting channel, a limiting tube and a limiting block, wherein two ends of the disc shaft are coaxially and fixedly connected with one end of the upper round table part, the other end of the upper round table part is connected with the inner surface of the shell body through a bearing, the inner surface of the shell body is correspondingly and fixedly connected with the lower round table part, the inner parts of the lower round table part and the upper round table part are coaxially and respectively connected with one end of the screw rod through the coaxial bearing, the other end bearing of the screw rod penetrates through one side of the outer surface of the shell body, 2 connecting blocks are respectively arranged on the other ends of the screw rod through the belt transmission mechanism, the lower round table part and the inner part are respectively in threaded connection with one end of the corresponding screw rod, the supporting tube is arranged on the connecting block, one end of the belt connecting piece is movably stretched into the supporting tube, the lower round table part and the upper round table part is respectively provided with one end of the limiting channel which penetrates through the inner side and outer side of the shell body, the lower round table part and the upper round table part is respectively connected with one end of the inner side of the corresponding to the outer side of the shell body through the outer side of the outer shell body through the corresponding ring groove through the bearing, the other end of the upper round table part is fixedly connected with one end of the corresponding belt connecting piece through the corresponding side, one end of the inner side of the limiting piece, the end is connected with the inner side of the corresponding side of the connecting piece, and the end face is connected with one end face of the inner side of the corresponding side connecting piece, and the inner side and the end is connected with the end, the other end of the limiting pipe is coaxially and fixedly connected with the end part of the screw rod extending to one side of the outer surface of the shell; the telescopic sheet comprises three parts, wherein the first part is of a threaded ring structure and is in threaded connection with the threaded ring groove, the second part is of a fine sheet structure, one end of the second part is fixedly connected to one side of the threaded ring, the third part is of a thick sheet structure, one end of the thick sheet structure is provided with a telescopic groove, the other end of the thick sheet structure is movably stretched into the fine sheet structure at one end of the thick sheet structure, the telescopic groove is arranged at one end of the thick sheet structure, and the other end of the thick sheet structure is fixedly connected to the outer edge surface of the regulating hand wheel.

2. The spacing-adjustable agricultural planting seeding apparatus according to claim 1, wherein the limiting block and the limiting tube are prismatic structures which are anastomotic with each other, and the limiting block can be completely separated from the limiting tube.

3. The spacing-adjustable agricultural planting seed sowing device as claimed in claim 1, wherein the lower circular truncated cone and the upper circular truncated cone are of congruent structures, but the directions of the diameters of the lower circular truncated cone and the upper circular truncated cone are opposite, and the lower circular truncated cone and the upper circular truncated cone are of hollow structures.

4. The spacing-adjustable agricultural planting sowing device according to claim 1, wherein the structures of the support tube, the belt connecting piece, the second spring and the limiting channel are arranged at equal angles about the axis of the screw rod, the belt connecting piece is composed of two parts, the first part is a rod-shaped structure connected with the support tube, the second part is an arc-shaped concave plate structure, the angle of the arc-shaped concave plate of the second part is not more than 100 degrees, and the transmission belt forms a straight belt transmission structure through 2 arc-shaped concave plates respectively arranged on the lower round table piece and the upper round table piece.

5. The spacing-adjustable agricultural planting sowing device according to claim 1, wherein the vibration blanking mechanism comprises a supporting ring, a lifting rod, a first spring and a cam, the supporting ring is arranged on the outer side of the seed box, one end of the lifting rod is connected to the lower end of the supporting ring, the other end of the lifting rod movably penetrates into the outer shell, the first spring is arranged on the outer side of a part of the lifting rod extending into the outer shell, the cam is connected to the outer side of the disc shaft, and the position of the cam corresponds to the lower end of the lifting rod one by one.

6. The spacing-adjustable agricultural planting seed sowing device as claimed in claim 1, wherein the transmission gear and the linkage gear are respectively connected to the outer side of the wheel shaft and the outer side of the lower circular truncated cone member in a key manner, and the gear ratio of the transmission gear and the linkage gear is not more than 0.2.