CN210959431U

CN210959431U - Single parallel rod type pot seedling transplanting device

Info

Publication number: CN210959431U
Application number: CN201921760082.4U
Authority: CN
Inventors: 肖名涛; 孙超然; 王勇乾; 熊力; 陈盛
Original assignee: Hunan Agricultural University
Current assignee: Hunan Agricultural University
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-07-10
Anticipated expiration: 2029-10-18

Abstract

The utility model discloses a single parallel rod formula alms bowl seedling transplanting device, including the casing, the front end of casing is equipped with the branch soil portion that is used for bulldozing branch soil, and chassis bottom is equipped with the ditching portion that is used for opening the seedling ditch, installs alms bowl seedling on the casing and transplants the release unit, and alms bowl seedling transplants the release unit including push away the seedling board and be used for driving push away the drive assembly of seedling board reciprocating motion. The single parallel rod type pot seedling transplanting device can synchronously complete seedling ditching and transplanting work, simplified transplanting is realized, the working efficiency can be greatly improved, the labor intensity is reduced, and the transplanting time is saved.

Description

Single parallel rod type pot seedling transplanting device

Technical Field

The utility model relates to an agricultural machine technical field, concretely relates to single parallel rod formula alms bowl seedling transplanting device.

Background

Compared with direct seeding, transplanting has the advantages of uniform row spacing, high seedling quality, short field growth period, high yield and the like, but the transplanting process is complex, the mechanical transplanting speed is low, and the cost is high. Taking rape planting as an example, the rape is a main oil crop in China, and has the characteristics of high planting density, strong vitality and preference for waterlogging. Chinese rape is mainly grown in the middle and lower reaches of Yangtze river by mainly using winter rape and is planted with rice in a crop rotation mode. As the winter rape has long growth period, the winter rape is usually sown in the first year in 9 months and harvested in the next year in 5 months, the harvesting period of the winter rape conflicts with the sowing period of the early rice of the two-season rice, and the sowing period of the winter rape conflicts with the harvesting period of the late rice of the two-season rice. By adopting the method of seedling culture and transplanting in the proper age period, the contact ratio of the growing period in the rotation process of various crops can be increased, the growth time of the field can be shortened, the multi-season rotation can be realized, particularly, the pot seedling transplanting is adopted, the green returning time after the crops are transplanted is fast, and the growth time of the field can be shortened to the greatest extent. Aiming at the problems of complex transplanting process, low transplanting speed, high cost and the like of pot seedlings, a simplified high-speed pot seedling transplanting machine is urgently needed.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome the not enough of prior art existence, provide one kind and can accomplish division seedling ditch and transplanting work in step, realize retrenching and transplant, can improve work efficiency, reduce intensity of labour, save transplanting time's single parallel rod formula alms bowl seedling transplanting device greatly.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides a single parallel rod formula alms bowl seedling transplanting device, includes the casing, the front end of casing is equipped with the branch soil part that is used for bulldozing branch soil, chassis bottom is equipped with the ditching portion that is used for opening out the seedling ditch, install alms bowl seedling on the casing and transplant release unit, alms bowl seedling transplants release unit and includes the seedling pushing plate and be used for driving the drive assembly who pushes away seedling plate reciprocating motion.

As a further improvement of the above technical solution:

the driving assembly comprises a first rocker and a second rocker, two ends of the first rocker are correspondingly hinged with the casing and the seedling pushing plate respectively, two ends of the second rocker are correspondingly hinged with the casing and the seedling pushing plate respectively, the casing, the seedling pushing plate, the first rocker and the second rocker are combined to form a four-link mechanism allowing the seedling pushing plate to reciprocate, and the driving assembly further comprises a driving mechanism used for driving the seedling pushing plate to reciprocate.

The driving mechanism comprises a connecting rod and a crank which is arranged on the shell and driven to rotate by a rotary driving piece, one end of the connecting rod is hinged with the crank, and the other end of the connecting rod is hinged with the first rocker.

The hinge joint of the second rocker and the casing is located above the hinge joint of the second rocker and the seedling pushing plate, and the upper part of the second rocker is provided with a seedling dropping cylinder for the dropped pot seedlings to pass through.

Install on the casing and be two sets of flexible brushes of relative setting, casing, second rocker and two sets of flexible brushes enclose into one and supply from the alms bowl seedling that falls down to the flexible seedling channel that falls who passes through when pushing away the seedling board motion of seedling section of thick bamboo that falls, flexible brush and the corresponding increase and decrease of interval along with seedling board reciprocating motion of seedling board on the horizontal direction of pushing away the seedling board.

The flexible brush comprises an installation plate and flexible bristles connected to the installation plate, and the installation plate is installed on the machine shell in a mode that the distance between the installation plate and the second rocker can be adjusted through an adjusting mechanism; the adjusting mechanism comprises a connecting rod and an adjusting sliding groove arranged on the casing, the connecting rod penetrates through the adjusting sliding groove and can move along the adjusting sliding groove, one end of the connecting rod is connected with the mounting plate, and the other end of the connecting rod is in threaded fit connection with a nut which is matched with the mounting plate and tightly clamps the fixed casing.

The utility model discloses a quick-witted casing, including the casing, the casing is installed on the casing through first position control mechanism in articulate pivot, first position control mechanism includes mount pad, first screw rod and locates the first spout on the casing, first screw rod runs through first spout can be followed first spout and removed, the one end and the mount pad of first screw rod are connected, the other end screw-thread fit of first screw rod is connected with the first lock nut who presss from both sides tight fixed casing with the mount pad cooperation.

The first rocker is provided with a hinged seat capable of adjusting the installation position along the extension direction of the first rocker through a second position adjusting mechanism, the connecting rod is hinged to the hinged seat of the first rocker, the second position adjusting mechanism comprises a second screw rod and a second sliding groove arranged on the first rocker, the second screw rod penetrates through the second sliding groove and can move along the second sliding groove, one end of the second screw rod is connected with the hinged seat, and the other end of the second screw rod is in threaded fit connection with a second locking nut which is matched with the hinged seat and clamps and fixes the first rocker.

The shell is a shell structure with an inner cavity formed by splicing two vertical side plates which are arranged at intervals, a V-shaped plate connected to the front ends of the two vertical side plates and a U-shaped plate connected to the bottom ends of the two vertical side plates; the pot seedling transplanting push-out unit is installed in the inner cavity, and a notch for pot seedlings to fall is formed in the U-shaped plate.

The U-shaped plate comprises a bottom plate and two inclined side plates connected to two sides of the bottom plate, the two inclined side plates are respectively connected with the two vertical side plates correspondingly, and each inclined side plate extends towards the other vertical side plate from the corresponding vertical side plate along the direction from top to bottom in an inclined mode.

Compared with the prior art, the utility model has the advantages of:

the utility model discloses the usable branch soil portion of single parallel rod formula alms bowl seedling transplanting device and ditching portion open out the seedling ditch on the railway carriage or compartment face, the drive assembly drive of alms bowl seedling transplantation release unit pushes away the release alms bowl seedling of seedling board reciprocating motion intermittent type formula to in transplanting the alms bowl seedling to the seedling ditch of opening, it will open the seedling ditch and transplant the function integration as an organic whole, can accomplish in step and open the seedling ditch and transplant work, can realize the essence and simplify and transplant, can improve work efficiency greatly, reduce intensity of labour, save the time of transplanting.

Drawings

Fig. 1 is a schematic perspective view of a single parallel rod type pot seedling transplanting device.

Fig. 2 is a schematic structural view of the seedling pushing plate in different pushing positions.

Fig. 3 is a front view of the driving assembly.

FIG. 4 is a schematic adjustment diagram of the adjustment mechanism, the first position adjustment mechanism, and the second position adjustment mechanism.

Fig. 5 is a schematic cross-sectional structure view of the first position adjustment mechanism.

Fig. 6 is a schematic sectional structure view of the second position adjustment mechanism.

Illustration of the drawings:

1. a housing; 11. a soil separating part; 12. a trenching portion; 13. an inner cavity; 2. a pot seedling transplanting push-out unit; 21. seedling plates; 22. a first rocker; 23. a second rocker; 231. seedling falling cylinder; 24. a connecting rod; 25. a crank; 251. a rotating shaft; 3. a flexible brush; 31. mounting a plate; 32. flexible bristles; 101. a mounting seat; 102. a first screw; 103. a first chute; 104. a first lock nut; 201. a hinged seat; 202. a second screw; 203. a second chute; 204. a second lock nut; 301. a vertical side plate; 302. a V-shaped plate; 303. a U-shaped plate; 3030. a notch; 3031. a base plate; 3032. the side plates are inclined.

Detailed Description

The present invention will be described in further detail with reference to the following drawings and specific embodiments.

As shown in fig. 1, the single parallel rod type pot seedling transplanting device of the present embodiment includes a casing 1, a soil separating portion 11 for soil separation by soil pushing is provided at the front end of the casing 1, a ditching portion 12 for ditching a seedling ditch is provided at the bottom of the casing 1, a pot seedling transplanting push-out unit 2 is installed on the casing 1, and the pot seedling transplanting push-out unit 2 includes a seedling push plate 21 and a driving component for driving the seedling push plate 21 to reciprocate. This single parallel rod formula alms bowl seedling transplanting device usable divides soil portion 11 and ditching portion 12 to open out the seedling ditch on the railway carriage or compartment face, the drive assembly drive of alms bowl seedling transplantation ejecting unit 2 pushes away the ejecting alms bowl seedling of seedling board 21 reciprocating motion intermittent type formula to transplant the alms bowl seedling to the seedling ditch of opening, it will open the seedling ditch and transplant the function integration as an organic whole, can accomplish simultaneously and open the seedling ditch and transplant work, can realize the essence and simplify and transplant, can improve work efficiency greatly, reduce intensity of labour, save the time of transplanting.

In this embodiment, as shown in fig. 1 to 3, the driving assembly includes a first rocker 22 and a second rocker 23, two ends of the first rocker 22 are respectively hinged to the casing 1 and the seedling pushing plate 21, two ends of the second rocker 23 are respectively hinged to the casing 1 and the seedling pushing plate 21, the casing 1, the seedling pushing plate 21, the first rocker 22 and the second rocker 23 are combined to form a set of four-bar mechanism allowing the seedling pushing plate 21 to reciprocate, and the driving assembly further includes a driving mechanism for driving the seedling pushing plate 21 to reciprocate. The driving assembly adopts a four-bar mechanism formed by combining the casing 1, the seedling pushing plate 21, the first rocker 22 and the second rocker 23 to make the seedling pushing plate 21 reciprocate, can intermittently push out pot seedlings, realizes pot seedling transplantation, and has the advantages of simple and compact structure, easy processing and manufacturing, low cost, and stable and reliable work. Can meet the requirements of low mechanical performance and high planting density of pot seedling transplantation.

In this embodiment, preferably, a connecting line between two hinge points on the first rocker 22 and a connecting line between two hinge points on the second rocker 23 are parallel to each other and have the same length, that is, the four-bar linkage formed by the combination of the casing 1, the seedling pushing plate 21, the first rocker 22 and the second rocker 23 is a parallelogram four-bar linkage, so that the reciprocating motion track of the seedling pushing plate 21 is linear translation motion, which is beneficial to improving the stability and reliability of the movement of pushing out the pot seedlings and can avoid damaging the pot seedlings. Further preferably, the hinge point of the first rocker 22 and the machine shell 1 and the hinge point of the second rocker 23 and the machine shell 1 are positioned in the same horizontal plane, so that the seedling pushing plate 21 reciprocates in the horizontal plane to horizontally push out the pot seedlings. Of course, in other embodiments, the first rocking bar 22 and the second rocking bar 23 may not be parallel and have different lengths, so that the seedling pushing plate 21 rotates at a small angle to meet different requirements for transplanting crops.

In this embodiment, the driving mechanism includes a connecting rod 24 and a crank 25 mounted on the housing 1 and driven by the rotary driving member to rotate, one end of the connecting rod 24 is hinged to the crank 25, and the other end of the connecting rod 24 is hinged to the first rocking bar 22. When the crank 25 is driven to rotate by the rotary driving piece, the first rocker 22 is driven to swing in a reciprocating manner, so that the seedling pushing plate 21 moves in a reciprocating manner, as shown in fig. 2, the seedling pushing plate 21 is located at an initial position I before pushing seedlings, the seedling pushing plate moves from the initial position I to a seedling pushing terminal position III through an intermediate position II during pushing the seedlings, the distance from the initial position I to the seedling pushing terminal position III is a seedling pushing stroke of the seedling pushing plate 21, and the seedling pushing stroke is related to the transplanting planting distance; after the pot seedlings are pushed out, the seedling pushing plate 21 moves to the initial position I from the seedling pushing end point position III through the intermediate position II, and a transplanting cycle is completed. The driving mechanism adopts a combined mechanism of the crank 25 and the connecting rod 24, and has simple structure, low cost and easy processing and manufacturing. The rotary drive is conventionally provided by, for example, a combination of an electric motor and a chain transmission, the electric motor being connected to the shaft 251 of the crank 25 via the chain transmission and driving the rotation thereof.

In this embodiment, the pin joint of second rocker 23 and casing 1 is located second rocker 23 and pushes away the pin joint top of seedling board 21, and the upper portion of second rocker 23 is equipped with the seedling section of thick bamboo 231 that falls that the alms bowl seedling that is used for supplying to drop passes through, does benefit to the reliable seedling that falls of assurance alms bowl seedling, improves seedling position accuracy nature that falls. Preferably, the seedling dropping cylinder 231 is a square cylinder or a circular cylinder.

In this embodiment, two sets of flexible brushes 3 are installed on the casing 1, and the casing 1, the second rocking bar 23 and the two sets of flexible brushes 3 enclose a flexible seedling falling channel for pot seedlings falling from the seedling falling cylinder 231 to pass through when moving towards the seedling pushing plate 21, and the distance between the flexible brushes 3 and the seedling pushing plate 21 in the horizontal direction is correspondingly increased or decreased along with the reciprocating motion of the seedling pushing plate 21. When the pot seedlings fall from the seedling falling cylinder 231, the pot seedlings fall to the seedling pushing position of the seedling pushing plate 21 through the flexible seedling falling channel, and the pot seedlings are protected by the flexible seedling falling channel to fall in a vertical posture in the process, so that the pot seedlings are prevented from lodging, the transplanting verticality is improved, and the stable reliability of the pot seedlings pushed by the seedling pushing plate 21 is improved; meanwhile, the flexible brush 3 can not cause hard damage to the pot seedlings, and the damage to the pot seedlings can be greatly reduced.

In this embodiment, the flexible brush 3 includes a mounting plate 31 and flexible bristles 32 connected to the mounting plate 31, the mounting plate 31 is mounted on the casing 1 in a manner that the distance between the mounting plate 31 and the second rocking bar 23 can be adjusted by an adjusting mechanism, and the distance between the mounting plate 31 and the second rocking bar 23 (the width of the flexible seedling falling channel) is adjusted, so that the flexible brush 3 can adapt to different transplanting row spacing requirements and different pot seedling sizes, and can also adapt to the position adjustment of the rotating shaft 251 of the hinge base 201 and the crank 25 described below. The adjusting mechanism comprises a connecting rod and an adjusting sliding groove arranged on the machine shell 1, the connecting rod penetrates through the adjusting sliding groove and can move along the adjusting sliding groove, one end of the connecting rod is connected with the mounting plate 31, and the other end of the connecting rod is in threaded fit connection with a nut which is matched with the mounting plate 31 and clamps the fixed machine shell 1 tightly. When the mounting position of the mounting plate 31 needs to be adjusted, the nut is loosened, the connecting rod, the nut and the mounting plate 31 can move along the adjusting chute to adjust the position, and after the adjustment is finished, the nut is screwed down again, so that the connecting rod, the nut and the mounting plate 31 can be fixed at the adjusted position. The position adjusting mechanism has the advantages of simple structure, convenience in adjustment, easiness in manufacturing and low cost.

In this embodiment, as shown in fig. 1, fig. 2, fig. 4 and fig. 5, the rotating shaft 251 of the crank 25 is mounted on the housing 1 through the first position adjusting mechanism, and the mounting position of the rotating shaft 251 of the crank 25 on the housing 1 can be adjusted through the first position adjusting mechanism, so as to adjust the swing stroke range of the first rocker 22, that is, the stroke range of the reciprocating motion of the seedling pushing plate 21, thereby realizing the adjustment of the transplanting planting distance and being suitable for the transplanting requirements of various crops with different planting distances. The first position adjusting mechanism comprises an installation seat 101, a first screw 102 and a first sliding groove 103 arranged on the machine shell 1, the first screw 102 penetrates through the first sliding groove 103 and can move along the first sliding groove 103, one end of the first screw 102 is connected with the installation seat 101, and the other end of the first screw 102 is in threaded fit connection with a first locking nut 104 which is matched with the installation seat 101 to clamp and fix the machine shell 1. When the installation position of the rotating shaft 251 needs to be adjusted, the first locking nut 104 is loosened, the first screw 102, the first locking nut 104 and the rotating shaft 251 can move along the first sliding groove 103 to adjust the position, and after the adjustment is completed, the first locking nut 104 is screwed again, so that the first screw 102, the first locking nut 104 and the rotating shaft 251 can be fixed at the adjusted position. The first position adjusting mechanism has the advantages of simple structure, convenience in adjustment, easiness in manufacturing and low cost. Preferably, the housing 1 is provided with a scale for indicating the position of the mounting seat 101, which is convenient for reference adjustment.

In this embodiment, as shown in fig. 1, fig. 2, fig. 4, and fig. 6, the first rocking bar 22 is provided with a hinge seat 201 capable of adjusting the installation position along the extending direction of the first rocking bar 22 through a second position adjusting mechanism, the connecting rod 24 is hinged to the hinge seat 201 of the first rocking bar 22, the second position adjusting mechanism includes a second screw 202 and a second sliding groove 203 arranged on the first rocking bar 22, the second screw 202 penetrates through the second sliding groove 203 and can move along the second sliding groove 203, one end of the second screw 202 is connected to the hinge seat 201, and the other end of the second screw 202 is in threaded fit with a second lock nut 204 which is in fit with the hinge seat 201 to clamp and fix the first rocking bar 22. The connection structure of the first rocker 22 and the connecting rod 24 can realize the adjustment of the hinged position between the first rocker 22 and the connecting rod 24, thereby realizing the adjustment of the swing stroke range of the first rocker 22, namely the stroke range of the reciprocating motion of the seedling pushing plate 21, realizing the adjustment of the transplanting planting distance and being suitable for the transplanting requirements of various crops with different planting distances; meanwhile, the positions of the rotating shafts 251 of the cranks 25, which are arranged on the machine shell 1, are synchronously adjusted in a matching way, so that the transplanting characteristics of the transplanting device only have characteristic changes of the planting distance as far as possible when the transplanting device is adjusted to adapt to different planting distances, and the influence on the transplanting quality is weakened. When the hinge position between the first rocker 22 and the connecting rod 24 needs to be adjusted, the second locking nut 204 is loosened, the second screw 202, the second locking nut 204 and the hinge seat 201 can move along the second sliding groove 203 to adjust the position, and after the adjustment is completed, the second locking nut 204 is screwed again, so that the second screw 202, the second locking nut 204 and the hinge seat 201 can be fixed at the adjusted position. The connecting structure has the advantages of simple structure, convenience in adjustment, easiness in manufacturing and low cost.

Preferably, when the installation position of the rotating shaft 251 of the crank 25 and the installation position of the hinge seat 201 are adjusted, the moving distance of the installation seat 101 along the first sliding chute 103 is equal to the moving distance of the hinge seat 201 along the second sliding chute 203, as shown in fig. 4, the moving stroke and the moving direction of the installation seat 101 are M1, the moving stroke and the moving direction of the hinge seat 201 are M2, and the moving directions of M1 and M2 are parallel, and the moving distances are equal, so that the transplanting characteristic of the transplanting device can be ensured to only have characteristic change of the plant spacing, and the transplanting quality is not influenced. As shown in fig. 4, the travel and direction of the mounting plate 31 are M3, the adjustment direction of M3 is horizontal, and the adjustment distance is proportional to M1 and M2. In order to improve the transplanting quality of the pot seedlings, in the process of pushing the seedlings backwards and transplanting the transplanting device, the seedling pushing plate 21 moves close to zero speed with the ground in the transplanting process, and the transplanting quality is improved. The travel of the zero-speed transplanting exceeds more than 50 percent of the total transplanting travel, and in the 50 percent of travel, the deviation of the zero speed is not more than +/-10 percent of the driving speed. The single parallel rod type pot seedling transplanting device can ensure high-quality transplanting with the effective transplanting spacing of 20 cm-50 cm.

In this embodiment, the casing 1 is a shell structure with an inner cavity 13, and the shell structure is formed by splicing two vertical side plates 301 arranged at intervals, a V-shaped plate 302 connected to the front ends of the two vertical side plates 301, and a U-shaped plate 303 connected to the bottom ends of the two vertical side plates 301; the pot seedling transplanting and pushing unit 2 is arranged in the inner cavity 13, and a gap 3030 for the pot seedlings to fall is arranged on the U-shaped plate 303. The casing 1 with the structure has the advantages of simple structure, light weight, low cost and easy manufacture. The pot seedling transplanting push-out unit 2 is arranged in the inner cavity 13 of the machine shell 1, so that the structure compactness can be improved, and the pot seedling transplanting push-out unit 2 is protected.

The mounting plates 31 of the two groups of flexible brushes 3 are correspondingly mounted on the two vertical side plates 301 respectively. The mounting seat 101 of the first position adjusting mechanism is mounted on any one vertical side plate 301, and an adjusting window is arranged on the other vertical side plate 301.

In this embodiment, the U-shaped plate 303 includes a bottom plate 3031 and two inclined side plates 3032 connected to two sides of the bottom plate 3031, the two inclined side plates 3032 are correspondingly connected to the two vertical side plates 301, respectively, and each inclined side plate 3032 extends from the corresponding vertical side plate 301 to the other vertical side plate 301 in an inclined manner along the direction from top to bottom. The groove has inclined side wall, which is favorable for ensuring the uprightness and stability of the transplanted pot seedling. Preferably, the inclination of each vertical side plate 301 is close to the shape of the pot seedling.

The above description is only the preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. For those skilled in the art, the modifications and changes obtained without departing from the technical idea of the present invention shall be considered as the protection scope of the present invention.

Claims

1. The utility model provides a single parallel rod formula alms bowl seedling transplanting device which characterized in that: including casing (1), the front end of casing (1) is equipped with branch soil part (11) that are used for bulldozing branch soil, casing (1) bottom is equipped with ditching portion (12) that are used for opening out the seedling ditch, install alms bowl seedling on casing (1) and transplant and release unit (2), alms bowl seedling is transplanted and is released unit (2) and including pushing away seedling board (21) and being used for driving the drive assembly who pushes away seedling board (21) reciprocating motion.

2. The single parallel rod type pot seedling transplanting device according to claim 1, wherein: the seedling pushing mechanism is characterized in that the driving assembly comprises a first rocker (22) and a second rocker (23), the two ends of the first rocker (22) are respectively hinged to the casing (1) and the seedling pushing plate (21) correspondingly, the two ends of the second rocker (23) are respectively hinged to the casing (1) and the seedling pushing plate (21) correspondingly, the casing (1), the seedling pushing plate (21), the first rocker (22) and the second rocker (23) are combined to form a four-link mechanism allowing the seedling pushing plate (21) to reciprocate, and the driving assembly further comprises a driving mechanism for driving the seedling pushing plate (21) to reciprocate.

3. The single parallel rod type pot seedling transplanting device according to claim 2, wherein: the driving mechanism comprises a connecting rod (24) and a crank (25) which is arranged on the machine shell (1) and driven by a rotary driving piece to rotate, one end of the connecting rod (24) is hinged with the crank (25), and the other end of the connecting rod (24) is hinged with the first rocker (22).

4. The single parallel rod type pot seedling transplanting device according to claim 3, wherein: the hinge point of the second rocker (23) and the machine shell (1) is positioned above the hinge point of the second rocker (23) and the seedling pushing plate (21), and the upper part of the second rocker (23) is provided with a seedling dropping barrel (231) for the dropped pot seedlings to pass through.

5. The single parallel rod type pot seedling transplanting device according to claim 4, wherein: install on casing (1) and be two sets of flexible brush (3) of relative setting, casing (1), second rocker (23) and two sets of flexible brush (3) enclose into one and supply from the alms bowl seedling that falls a seedling section of thick bamboo (231) and to the flexible seedling passageway that falls that passes through when pushing away seedling board (21) motion, flexible brush (3) and the corresponding increase and decrease of interval along with seedling board (21) reciprocating motion of seedling board (21) on the horizontal direction of pushing away seedling board (21).

6. The single parallel rod type pot seedling transplanting device according to claim 5, wherein: the flexible brush (3) comprises an installation plate (31) and flexible bristles (32) connected to the installation plate (31), and the installation plate (31) is installed on the machine shell (1) in a mode of adjusting the distance between the installation plate and the second rocker (23) through an adjusting mechanism; adjustment mechanism includes the connecting rod and locates the regulation spout on casing (1), the connecting rod runs through adjust the spout and can follow the regulation spout and remove, the one end of connecting rod links to each other with mounting panel (31), the other end screw-thread fit of connecting rod is connected with the nut that presss from both sides tight fixed casing (1) with mounting panel (31) cooperation.

7. The single parallel rod type pot seedling transplanting device according to claim 3, wherein: the rotating shaft (251) of the crank (25) is installed on the machine shell (1) through a first position adjusting mechanism, the first position adjusting mechanism comprises an installation seat (101), a first screw rod (102) and a first sliding groove (103) formed in the machine shell (1), the first screw rod (102) penetrates through the first sliding groove (103) and can move along the first sliding groove (103), one end of the first screw rod (102) is connected with the installation seat (101), and the other end of the first screw rod (102) is in threaded fit connection with a first locking nut (104) which is matched with the installation seat (101) to clamp and fix the machine shell (1).

8. The single parallel rod type pot seedling transplanting device according to claim 3, wherein: first rocker (22) are installed through second position adjustment mechanism and are followed articulated seat (201) that first rocker (22) extending direction adjusted the mounted position, connecting rod (24) with articulated seat (201) of first rocker (22) are articulated, second position adjustment mechanism includes second screw rod (202) and locates second spout (203) on first rocker (22), second screw rod (202) run through second spout (203) and can follow second spout (203) and remove, the one end and the articulated seat (201) of second screw rod (202) are connected, the other end screw-thread fit of second screw rod (202) is connected with and articulates second lock nut (204) that seat (201) cooperation pressed from both sides tight fixed first rocker (22).

9. The single parallel rod type pot seedling transplanting device according to any one of claims 2 to 8, wherein: the shell (1) is a shell structure with an inner cavity (13) and formed by splicing two vertical side plates (301) arranged at intervals, a V-shaped plate (302) connected to the front ends of the two vertical side plates (301) and a U-shaped plate (303) connected to the bottom ends of the two vertical side plates (301); the pot seedling transplanting push-out unit (2) is installed in the inner cavity (13), and a gap (3030) for pot seedlings to fall is formed in the U-shaped plate (303).

10. The single parallel rod type pot seedling transplanting device according to claim 9, wherein: the U-shaped plate (303) comprises a bottom plate (3031) and two inclined side plates (3032) connected to two sides of the bottom plate (3031), wherein the two inclined side plates (3032) are respectively and correspondingly connected with the two vertical side plates (301), and each inclined side plate (3032) extends obliquely from the corresponding vertical side plate (301) to the other vertical side plate (301) along the direction from top to bottom.