CN215379836U

CN215379836U - Forestry seedbed horizontal bar formula seeder

Info

Publication number: CN215379836U
Application number: CN202121419833.3U
Authority: CN
Inventors: 高明娟
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-24
Filing date: 2021-06-24
Publication date: 2022-01-04
Anticipated expiration: 2031-06-24

Abstract

The utility model discloses a transverse strip type seeding device for an forestry seedbed, which comprises a seeding machine, wherein a motor is fixedly connected inside the seeding machine, a first driving belt wheel is fixedly connected at the output end of the motor, a first belt is sleeved on the outer wall of the first driving belt wheel and embedded in a first driven belt wheel, a worm is fixedly connected to one side of the first driven belt wheel, a first gear is meshed to one side of the worm, a second gear is fixedly connected to the bottom end of the first gear, a third gear is meshed to one side of the second gear, a first rotating shaft is fixedly connected to the bottom end of the third gear, a first rotating disc is fixedly connected to the outer wall of the first rotating shaft, and a second rotating disc is sleeved on the outer wall of the first rotating shaft. According to the utility model, through the seeder, the first rotating disc and the second rotating disc, automatic seeding of a machine is realized, manpower is not used, the efficiency is higher, the seeding is more uniform, and the integrated operation of ditching, seeding and soil covering is realized.

Description

Forestry seedbed horizontal bar formula seeder

Technical Field

The utility model relates to the technical field of forestry sowing, in particular to a transverse-bar type sowing device for a forestry seedbed.

Background

In forestry construction, work such as long-term plant cultivation and seeding needs to be performed, but seeding cultivation in a broad garden range requires a very large amount of manual work, and therefore seeding machinery is often used for work, and a seeder is planting machinery using crop seeds as seeding targets. Seeders for certain types or crops, often referred to by the name of the crop species, such as grain drill, corn hill planter, cotton planter, grass planter, etc., are intended for planting seeds of the crop or coated seeds in pellet form. The horizontal-bar type seeding device can be divided into 3 types of vacuum seed sowing machines, drill sowing machines and hill sowing machines according to the seeding mode, and the existing horizontal-bar type seeding device of the forestry seedbed can basically meet daily use requirements, but still has some defects to be improved.

In forestry sowing, the space of a sowing position is generally small, a large-scale sowing machine cannot enter the space, only manual sowing can be adopted, before sowing, ditching is carried out, seeds are accurately thrown into ditches manually and then covered with soil for compaction, the labor intensity is high, the operation efficiency is low, uneven sowing is easy to cause, at present, a sowing machine with higher automation degree still exists, but the ditching, sowing and earthing integrated operation cannot be carried out, the existing sowing device cannot conveniently adjust and control the sowing quantity according to different requirements, the sowing quantity is difficult to control, when the sowing quantity is too much, the seedling emergence is too dense and too much, blades are mutually crossed and overlapped to shield sunlight, the photosynthesis of the blades is influenced, the seedling growth and development are influenced, when the sowing quantity is too little, the yield is reduced, the waste of land resources is caused, and the cost is increased, therefore, there is a need for a cross-bar seeding device for forestry seedbeds to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a transverse strip type seeding device for a forestry seedbed, which solves the problems that manual seeding in the background technology is high in labor intensity and low in operation efficiency, seeding is uneven, common seeders cannot perform ditching, seeding and earthing integrated operation easily, seeding quantity is inconvenient to adjust and control according to different requirements, the seeding quantity is difficult to control, seedling emergence is too dense and too dense when the seeding quantity is too large, blades are mutually crossed and overlapped, sunlight is shielded mutually, photosynthesis of the blades is influenced, growth and development of seedlings are influenced, yield is reduced and waste of land resources is caused when the seeding quantity is too small, and cost is increased.

In order to achieve the purpose, the utility model provides the following technical scheme: a transverse bar type seeding device for a forestry seedbed comprises a seeding machine, wherein a motor is fixedly connected inside the seeding machine, a first driving belt wheel is fixedly connected at the output end of the motor, one end of a first belt is sleeved on the outer wall of the first driving belt wheel, the other end of the first belt is embedded in a first driven belt wheel, a worm is fixedly connected to one side of the first driven belt wheel, a first gear is meshed to one side of the worm, a second gear is fixedly connected to the bottom end of the first gear, the bottom end of the second gear is rotatably connected to the seeding machine, a third gear is meshed to one side of the second gear, a first rotating shaft is fixedly connected to the bottom end of the third gear, a first rotating disc is fixedly connected to the outer wall of the first rotating shaft, first seed storage grooves are formed in the left side and the right side of the first rotating disc, a second rotating disc is sleeved on the outer wall of the first rotating shaft, second seed storage tank has all been seted up to the second rotating disc left and right sides, and is two sets of but second seed storage tank bottom portion all is connected with the switch bottom plate through the pivot, and is two sets of first seed storage tank all is embedded in second seed storage tank, first rotation axis outer wall cover has irregular spacing dish, the inside main seed storage tank of four groups that is equipped with of seeder.

Preferably, motor output end fixedly connected with second drive pulley, second drive pulley outer wall cover has the one end of second belt, the other end of second belt is embedded in second driven pulley, one side fixedly connected with second axis of rotation of second driven pulley, the even fixedly connected with multiunit furrowing blade of second axis of rotation outer wall, seeder both sides fixedly connected with fixed plate is two sets of the both ends of fixed plate fixedly connected with fixed axle, fixed axle outer wall cover has the gyro wheel.

Preferably, the seeder surface is rotated and is connected with the rocking handle, rocking handle one side fixed connection transmission shaft, transmission shaft outer wall fixedly connected with fourth gear, fourth gear one side meshing has the rack, the bottom of the irregular spacing dish of rack top fixedly connected with.

Preferably, the second gear is of an incomplete gear structure, and only one half of the second gear disk is provided with teeth.

Preferably, a groove is formed in one side of the bottom end of the irregular limiting disc, and one side of the switchable bottom plate abuts against the bottom end of the irregular limiting disc.

Preferably, the diameter of the outer wall of the first seed storage groove is equal to the diameter of the inner wall of the second seed storage groove.

Compared with the prior art, the utility model has the beneficial effects that:

1. the transverse-strip-type seeding device for the forestry seedbed is provided with a seeder, a motor, a first belt of a first driving belt pulley, a first driven belt pulley, a worm, a first gear, a second gear, a third gear, a first rotating shaft, a first rotating disc, a first seed storage groove, a second rotating disc, a second seed storage groove, a switchable bottom plate, an irregular limiting disc, a rack, a second driving belt pulley, a second belt, a second driven belt pulley, a second rotating shaft, a ditching shovel, a fixing plate, a fixing shaft and rollers, wherein the ditching motor is started to drive the second driving belt pulley to rotate, then the second belt pulley is driven to rotate through the transmission of the second belt, so that the ditching shovel on the outer walls of the second rotating shaft and the second rotating shaft is driven to rotate, one side of the ditching shovel is inserted into soil when the ditching shovel rotates, the soil is crushed and shoveled, the ditching is realized, and the first driving belt pulley can also be driven to rotate by the starting motor, then the first driven belt pulley is driven to rotate through the transmission of the first belt, then the worm is driven to rotate, then the first gear is driven to rotate through meshing, then the second gear is driven to rotate, then the third gear is driven to rotate through meshing, then the first rotating shaft and the first rotating disc fixedly connected to the outer wall of the first rotating shaft are driven to rotate, the first seed storage tank in the first rotating shaft can also rotate around the first rotating shaft, when the first seed storage tank rotates to be connected with the main seed storage tank, at the moment, because the second gear is an incomplete gear structure, only half of the second gear is provided with teeth, the second gear is disengaged from the third gear, the third gear stops rotating, the first seed storage tank also stops rotating, and seeds in the main seed storage tank have enough time to enter the first seed storage tank and the second seed storage tank, then the second gear continues to rotate, the second gear is re-engaged with the third gear, the third gear rotates again to cause the first seed storage tank to continue to rotate, because the first seed storage tank on the first rotating disc is embedded in the second seed storage tank in the second rotating disc, the second seed storage tank can synchronously rotate around the first rotating shaft as the first seed storage tank, the second rotating disc can also rotate along with the first seed storage tank, when one side of the openable bottom plate at the bottom of the second seed storage tank, which is pressed against the irregular limiting disc, rotates into the groove formed by the irregular limiting disc, the openable bottom plate rotates around the rotating shaft under the gravity action of the seeds in the first seed storage tank and the second seed storage tank, the openable bottom plate is opened, at the moment, because the second gear has only half of the incomplete gear structure and is provided with teeth, the second gear is disengaged from the third gear, the third gear stops rotating, the second seed storage groove also stops rotating, the seeds have sufficient time to fall into the soil ditch formed by the ditching shovel from the second seed storage groove, then the second gear continues rotating, the second gear is meshed with the third gear again, the third gear rotates again, the second seed storage groove continues rotating, one side of the switchable bottom plate, which is supported on the irregular limiting disc, rotates to the bottom plane of the irregular limiting disc, the switchable bottom plate is closed, then the roller of the outer wall sleeve of the fixed shaft fixedly connected to the transmission shaft on one side of the seeder rotates around the fixed shaft under the action of friction force with soil when contacting with the soil, and the soil ditch formed by the ditching shovel is flattened under the action of friction force and gravity force, so that the soil covering effect is achieved, the machine is used for automatic seeding without manpower, the efficiency is high, the seeding is uniform, and the ditching is realized, And (5) sowing and earthing up integrated operation.

2. The transverse-strip-type seeding device for the forestry seedbed is provided with a first seed storage tank, a second rotating disc, a second seed storage tank, an irregular limiting disc, a rocking handle, a transmission shaft, a fourth gear and a rack, wherein the rocking handle is rotated to drive the transmission shaft to rotate and further drive the fourth gear to rotate, then the rack is driven to move through meshing, the irregular limiting disc is pushed to move, and further the second rotating disc is pushed to move, so that the second seed storage tank on the second rotating disc also moves along with the rotation of the transmission shaft, the first seed storage tank enters the second seed storage tank, the volumes in the first seed storage tank and the second seed storage tank are reduced, the seed quantity stored in the first seed storage tank and the second seed storage tank are reduced, the regulation and control of the seeding quantity are realized, the phenomenon that the seedling emergence is too dense due to the excessive seeding quantity is avoided, blades are mutually crossed and overlapped to mutually shield sunlight to influence the photosynthesis of the blades, the problems of influencing the growth and development of the nursery stocks and the waste of land resources caused by too little seeding quantity increase the cost.

Drawings

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

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a front view of the sowing mechanism of the present invention;

FIG. 4 is a schematic top view of the sowing mechanism of the present invention;

FIG. 5 is a schematic view of the operation structure of the seeding rate control mechanism in the seeding mechanism of the present invention;

FIG. 6 is a right side view of the present invention.

In the figure: 1. a seeding machine; 2. a motor; 3. a first drive pulley; 4. a first belt; 5. a first driven pulley; 6. a worm; 7. a first gear; 8. a second gear; 9. a third gear; 10. a first rotating shaft; 11. a first rotating disk; 12. a first seed storage tank; 13. a second rotating disk; 14. a second seed storage tank; 15. a switchable backplane; 16. an irregular limiting disc; 17. a rocking handle; 18. a drive shaft; 19. a fourth gear; 20. a rack; 21. a second drive pulley; 22. a second belt; 23. a second driven pulley; 24. a second rotating shaft; 25. ditching and shoveling; 26. a fixing plate; 27. a fixed shaft; 28. a roller; 29. the main seed storage tank.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, an embodiment of the present invention is shown:

a transverse bar type seeding device for a forestry seedbed comprises a seeding machine 1, wherein a motor 2 is fixedly connected inside the seeding machine 1, a first driving belt pulley 3 is fixedly connected at the output end of the motor 2, one end of a first belt 4 is sleeved on the outer wall of the first driving belt pulley 3, the other end of the first belt 4 is embedded in a first driven belt pulley 5, a worm 6 is fixedly connected to one side of the first driven belt pulley 5, a first gear 7 is meshed to one side of the worm 6, a second gear 8 is fixedly connected to the bottom end of the first gear 7, the bottom end of the second gear 8 is rotatably connected to the seeding machine 1, the second gear 8 is of an incomplete gear structure, only one half of a disc of the second gear 8 is provided with teeth to allow seeds to fall in sufficient time, a third gear 9 is meshed to one side of the second gear 8, a first rotating shaft 10 is fixedly connected to the bottom end of the third gear 9, a first rotating disc 11 is fixedly connected to the outer wall of the first rotating shaft 10, the left side and the right side of a first rotating disc 11 are both provided with a first seed storage groove 12, the outer wall of a first rotating shaft 10 is sleeved with a second rotating disc 13, the left side and the right side of the second rotating disc 13 are both provided with a second seed storage groove 14, the bottoms of the two groups of second seed storage grooves 14 are both connected with a switchable bottom plate 15 through rotating shafts, the two groups of first seed storage grooves 12 are all embedded in the second seed storage grooves 14, the diameter of the outer wall of the first seed storage groove 12 is equal to the diameter of the inner wall of the second seed storage groove 14, the first seed storage grooves 12 can stably slide in the second seed storage grooves 14, the outer wall of the first rotating shaft 10 is sleeved with an irregular limiting plate 16, one side of the bottom end of the irregular limiting plate 16 is provided with a groove, one side of the switchable bottom plate 15 is abutted against the bottom end of the irregular limiting plate 16 to realize automatic switching of the switchable bottom plate 15, four groups of main seed storage grooves 29 are arranged in the seeder 1, the output end of the motor 2 is fixedly connected with a second driving belt pulley 21, the outer wall of the second driving belt pulley 21 is sleeved with one end of a second belt 22, the other end of the second belt 22 is embedded in a second driven belt pulley 23, one side of the second driven belt pulley 23 is fixedly connected with a second rotating shaft 24, the outer wall of the second rotating shaft 24 is uniformly and fixedly connected with a plurality of groups of ditching shovels 25, two sides of the seeder 1 are fixedly connected with fixing plates 26, two groups of fixing plates 26 are fixedly connected with two ends of a fixing shaft 27, the outer wall of the fixing shaft 27 is sleeved with a roller 28, the motor 2 is started to drive the second driving belt pulley 21 to rotate, then the second driven belt pulley 23 is driven to rotate through the transmission of the second belt 22, then the ditching shovels 25 on the outer walls of the second rotating shaft 24 and the second rotating shaft 24 are driven to rotate, one side of the ditching shovels 25 is inserted into soil when rotating, the soil is crushed and shoveled, and ditching is realized, the starting motor 2 can also drive the first driving belt pulley 3 to rotate, then the first driven belt pulley 5 is driven to rotate through the transmission of the first belt 4, then the worm 6 is driven to rotate, then the first gear 7 is driven to rotate through meshing, then the second gear 8 is driven to rotate, then the third gear 9 is driven to rotate through meshing, then the first rotating shaft 10 and the first rotating disc 11 fixedly connected to the outer wall of the first rotating shaft 10 are driven to rotate, the first seed storage tank 12 inside the first rotating shaft 10 can also rotate around the first rotating shaft 10, when the first seed storage tank 12 rotates to be connected with the main seed storage tank 29, at this time, because the second gear 8 is an incomplete gear structure, only half of the second gear is provided with teeth, the second gear 8 is disengaged from the third gear 9, the third gear 9 stops rotating, so that the first seed storage tank 12 also stops rotating, the seeds in the main seed storage groove 29 have enough time to enter the first seed storage groove 12 and the second seed storage groove 14, then the second gear 8 continues to rotate, the second gear 8 and the third gear 9 are re-engaged, the third gear 9 rotates again, so that the first seed storage groove 12 continues to rotate, because the first seed storage groove 12 on the first rotating disk 11 is embedded in the second seed storage groove 14 in the second rotating disk 13, the second seed storage groove 14 rotates around the first rotating shaft 10 in the same way as the first seed storage groove 12, the second rotating disk 13 also rotates along with the first seed storage groove, when the openable bottom plate 15 at the bottom of the second seed storage groove 14 rotates to the groove formed by the irregular limiting disk 16 by abutting against one side of the irregular limiting disk 16, the openable bottom plate 15 rotates around the rotating shaft under the gravity action of the seeds in the first seed storage groove 12 and the second seed storage groove 14, the openable bottom plate 15 is opened, at this time, because the second gear 8 is only half of the incomplete gear structure and is provided with teeth, the second gear 8 and the third gear 9 are disengaged, the third gear 9 stops rotating, the second seed storage groove 14 also stops rotating, seeds have enough time to fall into the soil ditch opened by the furrowing blade 25 from the second seed storage groove 14, then the second gear 8 continues rotating, the second gear 8 and the third gear 9 are re-engaged, the third gear 9 rotates again, the second seed storage groove 14 continues rotating, one side of the openable bottom plate 15, which is pressed against the irregular limiting disc 16, rotates to the bottom plane of the irregular limiting disc 16, the openable bottom plate 15 is closed, then the roller 28 of the outer wall sleeve of the fixed shaft 27, which is fixedly connected to the transmission shaft 18 at one side of the seeder 1, rotates around the fixed shaft 27 under the action of friction force with soil when contacting the soil, the soil ditch formed by the ditching shovel 25 is flattened under the action of friction force and gravity force, so that the effect of covering soil is achieved, automatic seeding is realized by a machine, manpower is not used, the efficiency is higher, seeding is more uniform, and integrated operation of ditching, seeding and covering soil is realized;

the surface of the seeder 1 is rotationally connected with a rocking handle 17, one side of the rocking handle 17 is fixedly connected with a transmission shaft 18, the outer wall of the transmission shaft 18 is fixedly connected with a fourth gear 19, one side of the fourth gear 19 is meshed with a rack 20, the top end of the rack 20 is fixedly connected with the bottom end of an irregular limiting disc 16, the rotation of the transmission shaft 18 is driven by rotating the rocking handle 17, then the rotation of the fourth gear 19 is driven, then the rack 20 is driven to move by meshing, then the irregular limiting disc 16 is pushed to move, then the second rotating disc 13 is pushed to move, a second seed storage groove 14 on the second rotating disc 13 also moves along with the rack, so that a first seed storage groove 12 enters a second seed storage groove 14, the volume of the first seed storage groove 12 and the volume of the second seed storage groove 14 are reduced, the seed quantity stored in the first seed storage groove 12 and the second seed storage groove 14 are reduced, the regulation and the control of the seed quantity are realized, and the emergence of excessive seed quantity is avoided, the blades are mutually crossed and overlapped to shield sunlight, the photosynthesis of the blades is influenced, the growth and development of the nursery stocks are influenced, the seeding quantity is too small, the yield is reduced, the waste of land resources is caused, and the cost is increased.

The working principle is as follows: when sowing is needed, the motor 2 is started to drive the second driving belt pulley 21 to rotate, then the second driven belt pulley 23 is driven to rotate through the transmission of the second belt 22, then the second rotating shaft 24 and the furrowing blade 25 on the outer wall of the second rotating shaft 24 are driven to rotate, one side of the furrowing blade 25 is inserted into soil when rotating, the soil is crushed and shoveled to realize furrowing, the starting motor 2 also drives the first driving belt pulley 3 to rotate, then the first driven belt pulley 5 is driven to rotate through the transmission of the first belt 4, then the worm 6 is driven to rotate, then the first gear 7 is driven to rotate through meshing, then the second gear 8 is driven to rotate, then the third gear 9 is driven to rotate through meshing, then the first rotating shaft 10 and the first rotating disc 11 fixedly connected to the outer wall of the first rotating shaft 10 are driven to rotate, the first seed storage groove 12 inside the first rotating shaft 10 also rotates around the first rotating shaft 10, when the first seed storage tank 12 is rotated to be connected with the main seed storage tank 29, since the second gear 8 is only half of the incomplete gear structure provided with teeth, the second gear 8 and the third gear 9 are disengaged, the third gear 9 stops rotating, which causes the first seed storage tank 12 to stop rotating, the seeds in the main seed storage tank 29 have enough time to enter the first seed storage tank 12 and the second seed storage tank 14, then the second gear 8 continues to rotate, the second gear 8 and the third gear 9 are re-engaged, the third gear 9 rotates again, which causes the first seed storage tank 12 to continue rotating, since the first seed storage tank 12 on the first rotary disk 11 is embedded in the second seed storage tank 14 in the second rotary disk 13, the second seed storage tank 14 rotates around the first rotary shaft 10 in synchronization with the first seed storage tank 12, the second rotating disk 13 will also rotate along with the second rotating disk, when one side of the openable bottom plate 15 at the bottom of the second seed storage tank 14, which abuts against the irregular limiting disk 16, rotates into the groove formed by the irregular limiting disk 16, the openable bottom plate 15 rotates around the rotating shaft under the action of the gravity of the seeds in the first seed storage tank 12 and the second seed storage tank 14, the openable bottom plate 15 is opened, at this time, because the second gear 8 is an incomplete gear structure, only one half of the second gear 8 is provided with teeth, the second gear 8 is disengaged from the third gear 9, the third gear 9 stops rotating, the second seed storage tank 14 also stops rotating, the seeds have enough time to fall into the soil ditch formed by the furrowing shovel 25 from the second seed storage tank 14, then the second gear 8 continues to rotate, the second gear 8 is re-engaged with the third gear 9, the third gear 9 rotates again, and the second seed storage tank 14 continues to rotate, but switch bottom plate 15 supports on one side of irregular spacing dish 16 rotates to irregular spacing dish 16's bottom plane on, switch bottom plate 15 closes, then gyro wheel 28 of fixed axle 27 outer wall cover of fixed connection on the transmission shaft 18 of 1 one side of seeder is when contacting soil, take place to rotate around fixed axle 27 under the effect of the frictional force with soil, and flatten the ditch of ditching shovel 25 under the effect of frictional force and gravity, play the effect of earthing, the automatic seeding of machine, without the manpower, high efficiency, the seeding is more even and has realized the ditching, the seeding, earthing integration operation.

When the seeding amount needs to be controlled, the rocking handle 17 is rotated to drive the transmission shaft 18 to rotate, the fourth gear 19 is driven to rotate, the rack 20 is driven to move by meshing, the irregular limiting disc 16 is driven to move, the second rotating disc 13 is driven to move, the second seed storage groove 14 on the second rotating disc 13 moves accordingly, the first seed storage groove 12 enters the second seed storage groove 14, the volume of the first seed storage groove 12 and the second seed storage groove 14 is reduced, the seed amount stored in the second seed storage groove is reduced, the adjustment and control of the seeding amount are realized, the phenomena that the seedling emergence is too dense due to too much seeding amount, the blades are mutually crossed and overlapped to shield sunlight and influence the photosynthesis of the blades, the seedling growth and development are influenced, the seeding amount is too little, the yield is reduced, and the waste of land resources is caused are avoided, increasing the cost.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a forestry seedbed horizontal bar formula seeder, includes seeder (1), its characterized in that: the seeder is characterized in that a motor (2) is fixedly connected inside the seeder (1), a first driving belt wheel (3) is fixedly connected at the output end of the motor (2), one end of a first belt (4) is sleeved on the outer wall of the first driving belt wheel (3), the other end of the first belt (4) is embedded in a first driven belt wheel (5), a worm (6) is fixedly connected to one side of the first driven belt wheel (5), a first gear (7) is meshed to one side of the worm (6), a second gear (8) is fixedly connected to the bottom end of the first gear (7), the bottom end of the second gear (8) is rotatably connected to the seeder (1), a third gear (9) is meshed to one side of the second gear (8), a first rotating shaft (10) is fixedly connected to the bottom end of the third gear (9), a first rotating disc (11) is fixedly connected to the outer wall of the first rotating shaft (10), first seed storage tank (12) have all been seted up to first rotation disc (11) the left and right sides, first rotation axis (10) outer wall cover has second rotation disc (13), second seed storage tank (14), two sets of have all been seted up to second rotation disc (13) the left and right sides second seed storage tank (14) bottom all is connected with switch bottom plate (15), two sets of through the pivot first seed storage tank (12) all are embedded in second seed storage tank (14), first rotation axis (10) outer wall cover has irregular spacing dish (16), seeder (1) inside is equipped with four groups owner seed storage tank (29).

2. The cross-bar type seeding device for the forestry seedbed according to claim 1, characterized in that: motor (2) output end fixedly connected with second driving pulley (21), second driving pulley (21) outer wall cover has the one end of second belt (22), the other end of second belt (22) is embedded in second driven pulley (23), one side fixedly connected with second axis of rotation (24) of second driven pulley (23), the even fixedly connected with multiunit ditching shovel (25) of second axis of rotation (24) outer wall, seeder (1) both sides fixedly connected with fixed plate (26), two sets of the both ends of fixed plate (26) fixedly connected with fixed axle (27), fixed axle (27) outer wall cover has gyro wheel (28).

3. The cross-bar type seeding device for the forestry seedbed according to claim 1, characterized in that: seeder (1) surface is rotated and is connected with rocking handle (17), rocking handle (17) one side fixed connection transmission shaft (18), transmission shaft (18) outer wall fixedly connected with fourth gear (19), fourth gear (19) one side meshing has rack (20), the bottom of rack (20) top fixedly connected with irregular spacing dish (16).

4. The cross-bar type seeding device for the forestry seedbed according to claim 1, characterized in that: the second gear (8) is of an incomplete gear structure, and only one half of a disc of the second gear (8) is provided with teeth.

5. The cross-bar type seeding device for the forestry seedbed according to claim 1, characterized in that: a groove is formed in one side of the bottom end of the irregular limiting disc (16), and one side of the switchable bottom plate (15) abuts against the bottom end of the irregular limiting disc (16).

6. The cross-bar type seeding device for the forestry seedbed according to claim 1, characterized in that: the diameter of the outer wall of the first seed storage groove (12) is equal to the diameter of the inner wall of the second seed storage groove (14).