Agricultural replanting device

Abstract

The present invention discloses an agricultural replanting device, which relates to the technical field of agricultural machinery, and includes a sowing component and a control component, wherein the sowing component includes a seed bin, a sowing tube, a telescopic tube and a furrowing head, wherein the seed bin is fixedly connected to one end of the telescopic tube, the other end of the telescopic tube is fixedly connected to the top of the sowing tube, the bottom of the sowing tube is fixedly connected to the furrowing head, a tip is provided on one side of the furrowing head, and more than one sowing tube is provided; the control component includes a rotating column, a seed drop groove and an annular groove are provided on the rotating column, a first accommodating groove is provided inside the sowing tube, and the inner wall of the first accommodating groove is slidably connected to the rotating column. The present invention can simultaneously replant multiple parallel crops by providing multiple sowing tubes, and there is no need to move the sowing tubes back and forth, so the replanting efficiency is higher, and it is suitable for replanting in a patch of replanting areas; it can freely switch between spot sowing and row sowing, and is suitable for spot sowing crops and row sowing crops at the same time, and has stronger applicability.

Description

Technical Field

[0001] The invention relates to the technical field of agricultural machinery, in particular to an agricultural replanting device. Background Art

[0002] During sowing, due to various reasons, the seeds cannot germinate and grow after sowing. This phenomenon is called seedling deficiency in farming. When seedling deficiency is found in the seedling stage, in order to ensure the utilization rate of land and the yield of crops, it is usually possible to replant the same crop seeds to make up the seedlings, so that the same crops are all in the same farmland. Peanut planters usually include a furrowing mechanism for digging sowing furrows and a sowing mechanism for sowing seeds. They use the row sowing method, while corn is sown by hole sowing (spot sowing).

[0003] At present, a Chinese invention patent with application number 2018103564447 discloses a reciprocating electric reseeder, which can reduce the manpower consumption during the reseeding process and can complete the reseeding efficiently. However, the reseeding is carried out by moving the reseeder back and forth. If there are two parallel rows of crops that need to be reseeded, the reseeder needs to be moved back and forth, which is inefficient and can only be used for spot sowing. It is not applicable to some row-sown crops and has poor applicability. Summary of the invention

[0004] The technical problem to be solved by the present invention is: reseeding is performed by moving the reseeder back and forth. If two parallel rows of crops need to be reseeded, the reseeder needs to be moved back and forth, which is inefficient and can only be used for spot sowing. It is not applicable to some row-sown crops and has poor applicability.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions: an agricultural reseeding device, comprising a sowing component and a control component, the sowing component comprising a seed bin, a sowing tube, a telescopic tube and a furrowing head, the seed bin is fixedly connected to one end of the telescopic tube, the other end of the telescopic tube is fixedly connected to the top of the sowing tube, the bottom of the sowing tube is fixedly connected to the furrowing head, a pointed portion is provided on one side of the furrowing head, and more than one sowing tube is provided; the control component comprises a rotating column, a seed dropping groove and an annular groove are provided on the rotating column, a first accommodating groove is provided inside the sowing tube, and the inner wall of the first accommodating groove is slidably connected to the rotating column.

[0006] As a preferred solution of the agricultural reseeding device described in the present invention, the sowing tube is provided with an inclined surface, the inclined surface is slidably connected to a movable plate, the movable plate is fixedly connected to one end of a movable rod, the movable rod is slidably connected to the inner wall of a limiting groove on a limiting block, the other end of the movable rod is fixedly connected to a driving rod, and the limiting block is fixedly connected to the outer wall of the sowing tube.

[0007] As a preferred embodiment of the agricultural reseeding device described in the present invention, the control component also includes an electric telescopic rod, a rotating drum, a gear and a rack. One end of the electric telescopic rod is fixedly connected to the rotating column, the outer wall of the electric telescopic rod is fixedly connected to the rotating drum, the rotating drum is rotatably connected to the second accommodating groove on the sowing tube, the inner wall of the second accommodating groove is provided with a card slot, the inner wall of the card slot is rotatably connected to the fixing ring, the fixing ring is fixedly connected to the outer wall of the rotating drum, the other end of the electric telescopic rod is fixedly connected to the gear, and the gear is meshed and connected to the rack.

[0008] As a preferred solution of the agricultural reseeding device described in the present invention, wherein: the rack is fixedly connected to the movable block, the movable block is fixedly connected to the movable plate, the movable plate is fixedly connected to the support plate, a through groove is arranged on the support plate, the inner wall of the through groove is slidably connected to the driving rod, and a roller is arranged at the contact position between the inside of the through groove and the driving rod.

[0009] As a preferred solution of the agricultural reseeding device described in the present invention, it also includes a support component, which includes a fixed frame, a slider and a slide rail. The fixed frame slides through the slider, the slider is slidably connected to the slide rail, and the slide rail is fixedly connected to the outer wall of the sowing tube.

[0010] As a preferred solution of the agricultural reseeding device described in the present invention, it also includes a driving component, which includes a first telescopic member, a first fixed plate, a second telescopic member and a second fixed plate, one end of the first telescopic member is fixedly connected to the lower surface of the slider, the other end of the first telescopic member is fixedly connected to the first fixed plate, the first fixed plate is fixedly connected to the outer wall of the sowing tube, the outer wall of the second telescopic member is fixedly connected to one side of the second fixed plate, the other side of the second fixed plate is fixedly connected to the outer wall of the sowing tube, and the bottom of the second telescopic member is fixedly connected to the movable block.

[0011] As a preferred solution of the agricultural reseeding device described in the present invention, wherein: the first telescopic member includes a first fixed cylinder, a first piston head, a first air intake pipe and a first push rod, the top of the first fixed cylinder is fixedly connected to the lower surface of the slider, the top of the first fixed cylinder is connected to one end of the first air intake pipe, the inner wall of the first fixed cylinder is slidably connected to the first piston head, the first piston head is fixedly connected to one end of the first push rod, and the other end of the first push rod is fixedly connected to the first fixed plate.

[0012] As a preferred solution of the agricultural reseeding device described in the present invention, the second telescopic part includes a second fixed cylinder, a second air inlet pipe, a second piston head, a second push rod and a fixed tube, the outer wall of one side of the second fixed cylinder is fixedly connected to the second fixed plate, the inner wall of the second fixed cylinder is slidably connected to the second piston head, the second piston head is fixedly connected to one end of the second push rod, the other end of the second push rod is fixedly connected to the movable block, the bottom of the second fixed cylinder is fixedly connected to the fixed tube, one end of the second air inlet pipe is at the bottom of the second fixed cylinder, the other end of the second air inlet pipe is fixedly connected to the first fixed cylinder, and a through hole is provided on the second fixed cylinder.

[0013] As a preferred solution of the agricultural reseeding device described in the present invention, the driving assembly also includes a main pipe, a three-way head, an electrically controlled valve and a third air inlet pipe, the main pipe is connected to one end of the three-way head, the three-way head is connected to the first air inlet pipe and the third air inlet pipe, and the third air inlet pipe is connected to the fixed pipe.

[0014] As a preferred solution of the agricultural reseeding device described in the present invention, the driving assembly also includes a control component, which includes a third piston head, a spring and an inner ring. One end of the spring is fixedly connected to the inner end wall of the fixed tube, and the other end of the spring is fixedly connected to the third piston head. The third piston head is slidably connected to the inner wall of the fixed tube, and the inner wall of the fixed tube is fixedly connected to the inner ring.

[0015] Beneficial effects of the present invention: The present invention can simultaneously replant multiple parallel crops by setting multiple sowing tubes, without moving the sowing tubes back and forth, with higher replanting efficiency, and is suitable for replanting in large areas. It can switch freely between spot sowing and row sowing, and is suitable for both spot sowing crops and row sowing crops, with stronger applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the embodiment of the present disclosure.

[0017] Figure 2 It is a schematic diagram of the sowing tube structure in the embodiment of the present disclosure.

[0018] Figure 3 In the embodiment of the present disclosure Figure 2 Enlarged schematic diagram at point A in the middle.

[0019] Figure 4 In the embodiment of the present disclosure Figure 2 Enlarged schematic diagram of point B in the middle.

[0020] Figure 5 It is a cross-sectional view of the seed bin in the embodiment of the present disclosure.

[0021] Figure 6 It is a schematic diagram of the structure of the sowing tube and the trenching head in the embodiment of the present disclosure.

[0022] Figure 7 It is a cross-sectional view of a sowing tube in an embodiment of the present disclosure.

[0023] Figure 8 It is a cross-sectional view of the rotating column in the embodiment of the present disclosure.

[0024] Fig. 9 It is a schematic diagram of the structure of the first accommodating groove and the second accommodating groove in the embodiment of the present disclosure.

[0025] Fig.10 It is a schematic diagram of the support plate structure in an embodiment of the present disclosure.

[0026] Fig.11 It is a schematic diagram of the structure of the first fixed cylinder in the embodiment of the present disclosure.

[0027] Fig.12 It is a schematic diagram of the structure of the second fixed cylinder in the embodiment of the present disclosure.

[0028] Figures: sowing assembly 100, seed bin 101, sowing tube 102, first accommodating groove 102a, inclined surface 102b, second accommodating groove 102c, card slot 102d, telescopic tube 103, ditching head 104, tip 104a, movable plate 105, movable rod 106, limit block 107, limit groove 107a, driving rod 108, control assembly 200, rotating column 201, seeding groove 201a, annular groove 201b, telescopic rod 202, rotating drum 203, gear 204, rack 205, movable block 206, movable plate 207, support plate 208, through groove 208a, roller 208b, support assembly 300, fixed Fixed frame 301, slider 302, slide rail 303, drive assembly 400, first telescopic member 401, first fixed cylinder 401a, first piston head 401b, first air inlet pipe 401c, first push rod 401d, first fixed plate 402, second telescopic member 403, second fixed cylinder 403a, through hole 403a-1, second air inlet pipe 403b, second piston head 403c, second push rod 403d, fixed pipe 403e, second fixed plate 404, main pipe 405, three-way head 406, electric control valve 407, third air inlet pipe 408, control member 409, third piston head 409a, spring 409b, inner ring 409c. DETAILED DESCRIPTION

[0029] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0030] Example 1

[0031] Reference Figures 1 to 6 This embodiment provides an agricultural replanting device, including a sowing component 100 and a control component 200. The sowing component 100 includes a seed bin 101, a sowing tube 102, a telescopic tube 103 and a furrowing head 104. The seed bin 101 is fixedly connected to one end of the telescopic tube 103, and the other end of the telescopic tube 103 is fixedly connected to the top of the sowing tube 102. The bottom of the sowing tube 102 is fixedly connected to the furrowing head 104, and a tip 104a is provided on one side of the furrowing head 104. The sowing tube 102 is provided with more than one.

[0032] In this embodiment, preferably, the seed bin 101 is used to store seeds, and seeds can be added to the seed bin 101 through the funnel above the seed bin 101. The seeds inside the seed bin 101 can fall into the telescopic tube 103, and then enter the sowing tube 102, and fall from the sowing tube 102 into the soil to complete the sowing. When the sowing tube 102 is inserted into the soil, the furrowing head 104 of the moving sowing tube 102 is convenient for cutting the soil and furrowing. At the same time, the seeds fall from the sowing tube 102, and continuous sowing, that is, row sowing, can be carried out. The tip 104a facilitates the furrowing head 104 to cut the soil. By setting up multiple sowing tubes 102, multiple parallel crops can be replanted at the same time, and the replanting efficiency is higher, which is suitable for replanting in a large area. When the sowing tube 102 moves up and down for sowing, the telescopic tube 103 can keep the connection between the seed bin 101 and the sowing tube 102 unobstructed.

[0033] The control assembly 200 includes a rotating column 201 , on which a seed placement groove 201 a and an annular groove 201 b are disposed. A first receiving groove 102 a is disposed inside the sowing tube 102 , and the inner wall of the first receiving groove 102 a is slidably connected to the rotating column 201 .

[0034] In this embodiment, preferably, the rotating column 201 can rotate in the first receiving groove 102a, and the rotating column 201 can move axially in the first receiving groove 102a. When the seeding groove 201a moves to the seeding channel inside the sowing tube 102, on-demand sowing can be performed. When the rotating column 201 is in the initial position, the seeding groove 201a is upward, and the seeds inside the sowing tube 102 can fall into the seeding groove 201a. The rotating column 201 is rotated, and the seeding groove 201a rotates downward, and the seeds in the seeding groove 201a fall into the soil, so that on-demand sowing can be completed. The rotating column 201 is pushed to move axially until the annular groove 201b moves to the seeding channel inside the sowing tube 102. At this time, the seeds inside the sowing tube 102 continuously pass through the annular groove 201b and fall into the soil, so that row sowing can be completed.

[0035] When in use, by setting a plurality of sowing tubes 102, multiple parallel crops can be replanted at the same time, and there is no need to move the sowing tubes back and forth, so the replanting efficiency is higher, and it is suitable for replanting in a large area. For the area that needs to be replanted, the corresponding sowing tube 102 is driven to fall, and the sowing tube 102 is inserted into the soil. When the seeding groove 201a on the rotating column 201 is driven to move to the seeding channel inside the sowing tube 102, spot sowing can be carried out, and the rotating column 201 is driven to move axially until the annular groove 201b moves to the seeding channel inside the sowing tube 102. At this time, the seeds inside the sowing tube 102 continuously pass through the annular groove 201b and fall into the soil, and row sowing can be completed. It can switch freely between spot sowing and row sowing, and is suitable for spot sowing crops and row sowing crops at the same time, and has stronger applicability.

[0036] Example 2

[0037] Reference Figures 1 to 12 This embodiment is based on the previous embodiment, and differs from the previous embodiment in that.

[0038] Reference Figure 6 The sowing tube 102 is provided with an inclined surface 102b, which is slidably connected to a movable plate 105. The movable plate 105 is fixedly connected to one end of a movable rod 106. The movable rod 106 is slidably connected to the inner wall of a limiting groove 107a on a limiting block 107. The other end of the movable rod 106 is fixedly connected to a driving rod 108. The limiting block 107 is fixedly connected to the outer wall of the sowing tube 102.

[0039] In the present embodiment, preferably, by setting the inclined surface 102b, the resistance of the sowing tube 102 inserted into the soil is reduced. The movable plate 105 can slide along the inclined surface 102b, and the movable rod 106 and the limiting groove 107a are parallel to the inclined surface 102b. When the movable rod 106 moves, it can drive the movable plate 105 to move and open the seed dropping channel at the bottom of the sowing tube 102. In the process of inserting the sowing tube 102 into the soil, the movable plate 105 blocks the seed dropping channel at the bottom of the sowing tube 102 to prevent the soil from entering during the insertion of the sowing tube 102 into the soil, causing the seed dropping channel to be blocked. When it is necessary to drop the seeds, the movable rod 106 and the movable plate 105 are controlled to move upward, and the seed dropping channel at the bottom of the sowing tube 102 is opened, and the seeds are dropped to complete the sowing. The limiting block 107 and the limiting groove 107a can limit the moving trajectory of the movable rod 106.

[0040] Reference Figures 7 to 9 The control component 200 also includes an electric telescopic rod 202, a rotating drum 203, a gear 204 and a rack 205. One end of the electric telescopic rod 202 is fixedly connected to the rotating column 201, and the outer wall of the electric telescopic rod 202 is fixedly connected to the rotating drum 203. The rotating drum 203 is rotatably connected to the second accommodating groove 102c on the sowing tube 102. The inner wall of the second accommodating groove 102c is provided with a card slot 102d. The inner wall of the card slot 102d is rotatably connected to the fixed ring 203a, and the fixed ring 203a is fixedly connected to the outer wall of the rotating drum 203. The other end of the electric telescopic rod 202 is fixedly connected to the gear 204, and the gear 204 is meshed with the rack 205.

[0041] In this embodiment, preferably, when the electric telescopic rod 202 is extended, it can drive the rotating column 201 to move axially in the first receiving groove 102a. The electric telescopic rod 202 can drive the rotating drum 203 to rotate in the second receiving groove 102c. Through the cooperation of the slot 102d and the fixing ring 203a, the rotating drum 203 can be prevented from moving axially in the second receiving groove 102c. When the rack 205 moves, it can drive the gear 204 to rotate. When the gear 204 rotates, it can drive the rotating drum 203 to rotate. The rotation of the rotating drum 203 drives the rotating column 201 to rotate. When the seeding groove 201a moves to the seeding channel inside the sowing tube 102, it can be sown on demand. When the rotating column 201 is in the initial position, the seeding groove 201a is upward, and the seeds inside the sowing tube 102 can fall into the seeding groove 201a. The rotating column 201 is rotated, and the seeding groove 201a rotates downward, and the seeds in the seeding groove 201a fall into the soil, and the sowing on demand can be completed.

[0042] Reference Figure 4 and Fig.10 The rack 205 is fixedly connected to the movable block 206, the movable block 206 is fixedly connected to the movable plate 207, the movable plate 207 is fixedly connected to the support plate 208, a through groove 208a is provided on the support plate 208, the inner wall of the through groove 208a is slidably connected to the driving rod 108, and a roller 208b is provided inside the through groove 208a at the contact position with the driving rod 108.

[0043] In this embodiment, the movable block 206 can drive the rack 205 to move when it is lifted and lowered, and the rack 205 can drive the gear 204 to rotate when it moves. At the same time, the movable block 206 can drive the movable plate 207 to move, and a slide cylinder can be slidably arranged on the outer wall of the sowing tube 102, and the movable plate 207 is connected to the slide cylinder, which is conducive to improving the stability of the movement of the movable block 206 and the movable plate 207. A limiting ring is respectively arranged above and below the slide cylinder, which can limit the movement stroke of the slide cylinder and the movable block 206.

[0044] Furthermore, when the movable block 206 descends, it can drive the movable plate 207 to move. When the movable plate 207 drives the support plate 208 to descend, the support plate 208 pushes the driving rod 108 to move. Under the action of the limiting groove 107a, the movable rod 106 drives the movable plate 105 to move downward, and the movable plate 105 covers the seed dropping channel at the bottom of the sowing tube 102. At this time, the soil can be prevented from entering during the insertion of the sowing tube 102 into the soil, causing the seed dropping channel to be blocked.

[0045] Reference Figure 1 and Figure 2, also includes a support assembly 300, the support assembly 300 includes a fixed frame 301, a slider 302 and a slide rail 303, the fixed frame 301 slides through the slider 302, the slider 302 is slidably connected to the slide rail 303, and the slide rail 303 is fixedly connected to the outer wall of the sowing tube 102.

[0046] In this embodiment, preferably, the fixing frame 301 can fix the horizontal height of the slider 302. When in use, the fixing frame 301 is fixed on the agricultural vehicle. The slider 302 can slide on the fixing frame 301 to adjust the position of the slider 302. The slider 302 can be fixed on the fixing frame 301 by providing a threaded hole on the slider 302 and then screwing a bolt into the threaded hole. The slide rail 303 can slide on the slider 302. When the sowing tube 102 is driven to move up and down for sowing, the sowing tube 102 drives the slide rail 303 to slide on the slider 302, which is conducive to improving the stability of the sowing tube 102 when moving.

[0047] Reference Figures 1 to 4 , also includes a driving component 400, the driving component 400 includes a first telescopic member 401, a first fixed plate 402, a second telescopic member 403 and a second fixed plate 404, one end of the first telescopic member 401 is fixedly connected to the lower surface of the slider 302, the other end of the first telescopic member 401 is fixedly connected to the first fixed plate 402, the first fixed plate 402 is fixedly connected to the outer wall of the sowing tube 102, the outer wall of the second telescopic member 403 is fixedly connected to one side of the second fixed plate 404, the other side of the second fixed plate 404 is fixedly connected to the outer wall of the sowing tube 102, and the bottom of the second telescopic member 403 is fixedly connected to the movable block 206.

[0048] In this embodiment, preferably, the slider 302 can fix the position of the first telescopic member 401, and the first telescopic member 401 can drive the first fixed plate 402 to move when it is extended and retracted, and the first fixed plate 402 can drive the sowing tube 102 to move when it moves. The second fixed plate 404 can fix the position of the second telescopic member 403, and the second telescopic member 403 can drive the movable block 206 to move when it is extended and retracted, and the movable block 206 can drive the rack 205 to move when it moves, and the rack 205 can drive the gear 204 to rotate when it moves, and the gear 204 drives the electric telescopic rod 202 and the rotating drum 203 to rotate, and when the seed dropping groove 201a moves to the seed dropping channel inside the sowing tube 102, the rotating column 201 rotates to complete the on-demand sowing. The rotating column 201 is pushed to move axially until the annular groove 201b moves to the seed drop channel inside the sowing tube 102. At this time, the seeds inside the sowing tube 102 continuously pass through the annular groove 201b and fall into the soil, and row sowing can be completed. At this time, the rotation of the rotating column 201 can prevent the seeds from being stuck in the annular groove 201b.

[0049] Furthermore, when the second telescopic member 403 performs telescopic movement, it can drive the movable rod 106 to move, and the movable rod 106 can drive the movable plate 105 to move, thereby opening the seed dropping channel at the bottom of the sowing tube 102. When the sowing tube 102 is inserted into the soil, the movable plate 105 blocks the seed dropping channel at the bottom of the sowing tube 102, thereby preventing the soil from entering the sowing tube 102 during the insertion of the sowing tube 102 into the soil, thereby blocking the seed dropping channel.

[0050] Reference Fig.11 The first telescopic member 401 includes a first fixed cylinder 401a, a first piston head 401b, a first air intake pipe 401c and a first push rod 401d. The top of the first fixed cylinder 401a is fixedly connected to the lower surface of the slider 302, the top of the first fixed cylinder 401a is connected to one end of the first air intake pipe 401c, the inner wall of the first fixed cylinder 401a is slidably connected to the first piston head 401b, the first piston head 401b is fixedly connected to one end of the first push rod 401d, and the other end of the first push rod 401d is fixedly connected to the first fixed plate 402.

[0051] Preferably in this embodiment, the air in the first air inlet pipe 401c enters the first fixed cylinder 401a, pushing the first piston head 401b to slide on the inner wall of the first fixed cylinder 401a, the first piston head 401b drives the first push rod 401d to move, the first push rod 401 drives the first fixed plate 402 to move, and when the first fixed plate 402 moves, it can drive the sowing tube 102 to move.

[0052] Reference Fig.12 The second telescopic member 403 includes a second fixed cylinder 403a, a second air intake pipe 403b, a second piston head 403c, a second push rod 403d and a fixed tube 403e, the outer wall of one side of the second fixed cylinder 403a is fixedly connected to the second fixed plate 404, the inner wall of the second fixed cylinder 403a is slidably connected to the second piston head 403c, the second piston head 403c is fixedly connected to one end of the second push rod 403d, and the other end of the second push rod 403d is fixedly connected to the movable block 206, the bottom of the second fixed cylinder 403a is fixedly connected to the fixed tube 403e, one end of the second air intake pipe 403b is at the bottom of the second fixed cylinder 403a, and the other end of the second air intake pipe 403b is fixedly connected to the first fixed cylinder 401a, and a through hole 403a-1 is provided on the second fixed cylinder 403a.

[0053] Preferably, in this embodiment, when the first piston head 401b moves to the position of the fixed tube 403e, the air in the first fixed cylinder 401a can enter the fixed tube 403e, and then enter the second fixed cylinder 403a, pushing the second piston head 403c to move. Fig.12 The second piston head 403c drives the second push rod 403d to move upward, and the second push rod 403d drives the movable block 206 to move upward.

[0054] Reference Figure 2 The driving assembly 400 also includes a main pipe 405, a three-way head 406, an electrically controlled valve 407 and a third air inlet pipe 408. The main pipe 405 is connected to one end of the three-way head 406, the three-way head 406 is connected to the first air inlet pipe 401c and the third air inlet pipe 408, and the third air inlet pipe 408 is connected to the fixed pipe 403e.

[0055] Preferably, in this embodiment, by pumping gas into the main pipe 405, the air in the main pipe 405 can enter each three-way head 406, and the three-way head 406 can be controlled to be opened or closed by the electric control valve 407, and the air inside the three-way head 406 can enter the first air inlet pipe 401c, and the three-way head 406 is connected to the fixed pipe 403e through the third air inlet pipe 408, and then the fixed pipe 403e is connected to the second fixed cylinder 403a.

[0056] Reference Fig.12 The driving assembly 400 also includes a control member 409, which includes a third piston head 409a, a spring 409b and an inner ring 409c. One end of the spring 409b is fixedly connected to the inner end wall of the fixed tube 403e, and the other end of the spring 409b is fixedly connected to the third piston head 409a. The third piston head 409a is slidably connected to the inner wall of the fixed tube 403e, and the inner wall of the fixed tube 403e is fixedly connected to the inner ring 409c.

[0057] Preferably, in this embodiment, by pumping gas into the main pipe 405, the air in the main pipe 405 can enter each three-way head 406. When the electric control valve 407 on the three-way head 406 is opened, the air inside the three-way head 406 can enter the first air inlet pipe 401c. At the same time, the air in the three-way head 406 enters the fixed pipe 403e through the third air inlet pipe 408. At this time, the air in the fixed pipe 403e pushes the third piston head 409a to move toward the direction close to the inner ring 409c, and the air in the fixed pipe 403e cannot enter the second fixed cylinder 403a.

[0058] When in use, the fixed frame 301 is fixed on the agricultural vehicle, and then the slider 302 is pushed to slide on the fixed frame 301 according to the row width of the crops, the positions of the slider 302 and the sowing tube 102 are adjusted, and then the movement of the agricultural vehicle is controlled. When crops at a certain position in a certain row need to be replanted, if the crops are spot-seeded crops, the electric telescopic rods 202 are first controlled to retract, and the electric telescopic rods 202 drive the rotating column 201 to move axially in the first accommodating groove 102a, so that the seed dropping groove 201a moves to the seed dropping channel inside the sowing tube 102, and then spot sowing can be carried out.

[0059] Gas can be pumped into the main pipe 405 through an existing air pump, and the air in the main pipe 405 enters each three-way head 406 to control the row of crops that need to be replanted. The electric control valve 407 on the corresponding three-way head 406 is opened, and the air inside the three-way head 406 can enter the first air inlet pipe 401c. At the same time, the air in the three-way head 406 enters the fixed pipe 403e through the third air inlet pipe 408. At this time, the air in the fixed pipe 403e pushes the third piston head 409a to move in the direction close to the inner ring 409c, and the air in the fixed pipe 403e cannot enter the second fixed cylinder 403a.

[0060] The air in the first air inlet pipe 401c enters the first fixed cylinder 401a, pushing the first piston head 401b to slide on the inner wall of the first fixed cylinder 401a, and the first piston head 401b drives the first push rod 401d to move downward, and the first push rod 401 drives the first fixed plate 402 to move, and the first fixed plate 402 can drive the sowing tube 102 to move downward and insert into the soil when it moves. When the first piston head 401b moves to the position of the fixed tube 403e, the air in the first fixed cylinder 401a can enter the fixed tube 403e, and then enter the second fixed cylinder 403a, pushing the second piston head 403c to move upward. Fig.12 The second piston head 403c moves upward, the second push rod 403d moves, the second push rod 403d drives the movable block 206 to move upward, the movable block 206 drives the rack 205 to move, the rack 205 drives the gear 204 to rotate half a circle, the gear 204 drives the rotating drum 203 to rotate, the rotation of the rotating drum 203 drives the rotating column 201 to rotate, at this time, the seed dropping groove 201a is located in the seed dropping channel inside the sowing tube 102, when the rotating column 201 is in the initial position, the seed dropping groove 201a faces upward, the seeds inside the sowing tube 102 can fall into the seed dropping groove 201a, the rotating column 201 is rotated, the seed dropping groove 201a rotates downward, the seeds fall into the sowing tube 102 below the rotating column 201, and the seeds in the seed dropping groove 201a fall into the soil, which can complete the on-demand sowing.

[0061] At the same time, when the movable block 206 rises, it can drive the movable plate 207 to move. When the movable plate 207 drives the support plate 208 to rise, the support plate 208 pushes the driving rod 108 to move. Under the action of the limit groove 107a, the movable rod 106 drives the movable plate 105 to move upward. At this time, the seed dropping channel at the bottom of the sowing tube 102 is opened, and the seeds are dropped to complete the sowing. In the process of inserting the sowing tube 102 into the soil, the movable plate 105 blocks the seed dropping channel at the bottom of the sowing tube 102 to prevent the soil from entering during the insertion of the sowing tube 102 into the soil, causing the seed dropping channel to be blocked.

[0062] After the on-demand broadcast is completed, the air pump is controlled to extract the gas inside the main pipe 405. At this time, the main pipe 405 extracts the gas inside the first fixed cylinder 401a through the three-way head 406 and the first air inlet pipe 401c, pushing the first piston head 401b to slide on the inner wall of the first fixed cylinder 401a. The first piston head 401b drives the first push rod 401d to move upward, the first push rod 401d drives the first fixed plate 402 to move upward, the first fixed plate 402 drives the sowing tube 102 to move upward, and the sowing tube 102 is reset.

[0063] At the same time, the main pipe 405 extracts the gas inside the fixed pipe 403e through the three-way head 406 and the third air inlet pipe 408. At this time, the gas drives the third piston head 409a to move away from the inner ring 409c and compresses the spring 409b. The fixed pipe 403e and the second fixed cylinder 403a are connected, and the air in the second fixed cylinder 403a is extracted. At this time, the air pushes the second piston head 403c to move Fig.12 The second piston head 403c drives the second push rod 403d to move downward, the second push rod 403d drives the movable block 206 to move downward, the movable block 206 drives the rack 205 to move upward and reset, the rack 205 drives the gear 204 to rotate half a circle in the opposite direction, the gear 204 drives the rotating drum 203 to rotate, the rotation of the rotating drum 203 drives the rotating column 201 to rotate, at this time, the seed dropping groove 201a is located in the seed dropping channel inside the sowing tube 102, the rotating column 201 is reset to the initial position, the seed dropping groove 201a is upward, and the seeds inside the sowing tube 102 can fall into the seed dropping groove 201a.

[0064] At the same time, when the movable block 206 descends, it can drive the movable plate 207 to move. When the movable plate 207 drives the support plate 208 to descend, the support plate 208 pushes the driving rod 108 to move. Under the action of the limiting groove 107a, the movable rod 106 drives the movable plate 105 to move downward, and the movable plate 105 covers the seed dropping channel at the bottom of the sowing tube 102. At this time, the soil can be prevented from entering during the insertion of the sowing tube 102 into the soil, causing the seed dropping channel to be blocked. At this time, the entire sowing and resetting action is completed, and gas is pumped into the main pipe 405 again to carry out the next sowing.

[0065] If the crops to be replanted are row-sown crops, each electric telescopic rod 202 is controlled to extend, and the electric telescopic rod 202 drives the rotating column 201 to move axially in the first accommodating groove 102a, so that the annular groove 201b moves to the seed dropping channel inside the sowing tube 102. At this time, the seeds inside the sowing tube 102 continuously pass through the annular groove 201b and fall into the soil, so that row sowing can be completed.

[0066] At this time, the air pump is controlled to pump gas into the main pipe 405, and the air in the main pipe 405 enters each three-way head 406 to control the row of crops that need to be replanted. The electric control valve 407 on the corresponding three-way head 406 is opened, and the air inside the three-way head 406 can enter the first air inlet pipe 401c. At the same time, the air in the three-way head 406 enters the fixed pipe 403e through the third air inlet pipe 408. At this time, the air in the fixed pipe 403e pushes the third piston head 409a to move towards the direction close to the inner ring 409c, and the air in the fixed pipe 403e cannot enter the second fixed cylinder 403a.

[0067] The air in the first air inlet pipe 401c enters the first fixed cylinder 401a, pushing the first piston head 401b to slide on the inner wall of the first fixed cylinder 401a, and the first piston head 401b drives the first push rod 401d to move downward, and the first push rod 401 drives the first fixed plate 402 to move, and the first fixed plate 402 can drive the sowing tube 102 to move downward and insert into the soil when it moves. When the first piston head 401b moves to the position of the fixed tube 403e, the air in the first fixed cylinder 401a can enter the fixed tube 403e, and then enter the second fixed cylinder 403a, pushing the second piston head 403c to move upward. Fig.12 The second piston head 403c drives the second push rod 403d to move, and the second push rod 403d drives the movable block 206 to move upward. At the same time, when the movable block 206 rises, it can drive the movable plate 207 to move. When the movable plate 207 drives the support plate 208 to rise, the support plate 208 pushes the driving rod 108 to move. Under the action of the limit groove 107a, the movable rod 106 drives the movable plate 105 to move upward. At this time, the seed drop channel at the bottom of the sowing tube 102 is opened, and the seeds are dropped to complete the sowing. In the process of inserting the sowing tube 102 into the soil, the movable plate 105 blocks the seed drop channel at the bottom of the sowing tube 102 to prevent the soil from entering during the sowing tube 102 is inserted into the soil, causing the seed drop channel to be blocked. At this time, the seeds inside the sowing tube 102 continuously pass through the annular groove 201b and fall into the soil, which can complete the row sowing.

[0068] By keeping the positions of the sowing tube 102 and the movable plate 105, and driving the fixed frame 301 by the agricultural vehicle, and then moving the sowing tube 102, row sowing can be completed continuously. During the movement of the sowing tube 102, the furrowing head 104 is convenient for scratching the soil and furrowing, which is convenient for subsequent sowing and reduces the forward resistance.

Claims

1. An agricultural replanting device, characterized in that: include A sowing assembly (100), the sowing assembly (100) comprising a seed bin (101), a sowing tube (102), a telescopic tube (103) and a furrowing head (104), the seed bin (101) being fixedly connected to one end of the telescopic tube (103), the other end of the telescopic tube (103) being fixedly connected to the top of the sowing tube (102), the bottom of the sowing tube (102) being fixedly connected to the furrowing head (104), one side of the furrowing head (104) being provided with a pointed portion (104a), the sowing tube (102) being fixedly connected to the top of the sowing tube (102), and the furrowing head (104) being fixedly connected to the top of the sowing tube (102). 02) is provided with more than one, the sowing tube (102) is provided with an inclined surface (102b), the inclined surface (102b) is slidably connected to a movable plate (105), the movable plate (105) is fixedly connected to one end of a movable rod (106), the movable rod (106) is slidably connected to the inner wall of a limiting groove (107a) on a limiting block (107), the other end of the movable rod (106) is fixedly connected to a driving rod (108), and the limiting block (107) is fixedly connected to the outer wall of the sowing tube (102); A control component (200), the control component (200) comprising a rotating column (201), an electric telescopic rod (202), a rotating drum (203), a gear (204) and a rack (205); the rotating column (201) is provided with a seed drop groove (201a) and an annular groove (201b); a first accommodating groove (102a) is provided inside the sowing tube (102); the inner wall of the first accommodating groove (102a) is slidably connected to the rotating column (201); one end of the electric telescopic rod (202) is fixedly connected to the rotating column (201); the outer wall of the electric telescopic rod (202) is fixedly connected to the rotating drum (203); the rotating drum (203) is rotatably connected to a second accommodating groove (102c) on the sowing tube (102); the inner wall of the second accommodating groove (102c) is provided A card slot (102d) is provided, the inner wall of the card slot (102d) is rotatably connected to a fixed ring (203a), the fixed ring (203a) is fixedly connected to the outer wall of the rotating drum (203), the other end of the electric telescopic rod (202) is fixedly connected to a gear (204), the gear (204) is meshingly connected to a rack (205), the rack (205) is fixedly connected to a movable block (206), the movable block (206) is fixedly connected to a movable plate 2 (207), the movable plate 2 (207) is fixedly connected to a support plate (208), a through slot (208a) is provided on the support plate (208), the inner wall of the through slot (208a) is slidably connected to a driving rod (108), and a roller (208b) is provided inside the through slot (208a) at a position in contact with the driving rod (108).

2. The agricultural replanting device according to claim 1, characterized in that: It also includes a support assembly (300), the support assembly (300) including a fixed frame (301), a sliding block (302) and a sliding rail (303), the fixed frame (301) slides through the sliding block (302), the sliding block (302) is slidably connected to the sliding rail (303), and the sliding rail (303) is fixedly connected to the outer wall of the sowing tube (102).

3. The agricultural replanting device according to claim 2, characterized in that: The invention also comprises a driving assembly (400), wherein the driving assembly (400) comprises a first telescopic member (401), a first fixed plate (402), a second telescopic member (403) and a second fixed plate (404), wherein one end of the first telescopic member (401) is fixedly connected to the lower surface of the sliding block (302), the other end of the first telescopic member (401) is fixedly connected to the first fixed plate (402), the first fixed plate (402) is fixedly connected to the outer wall of the sowing tube (102), the outer wall of the second telescopic member (403) is fixedly connected to one side of the second fixed plate (404), the other side of the second fixed plate (404) is fixedly connected to the outer wall of the sowing tube (102), and the bottom of the second telescopic member (403) is fixedly connected to the movable block (206).

4. The agricultural replanting device according to claim 3, characterized in that: The first telescopic member (401) comprises a first fixed cylinder (401a), a first piston head (401b), a first air intake pipe (401c) and a first push rod (401d); the top of the first fixed cylinder (401a) is fixedly connected to the lower surface of the slider (302); the top of the first fixed cylinder (401a) is connected to one end of the first air intake pipe (401c); the inner wall of the first fixed cylinder (401a) is slidably connected to the first piston head (401b); the first piston head (401b) is fixedly connected to one end of the first push rod (401d); and the other end of the first push rod (401d) is fixedly connected to the first fixed plate (402).

5. The agricultural replanting device according to claim 4, characterized in that: The second telescopic member (403) comprises a second fixed cylinder (403a), a second air intake pipe (403b), a second piston head (403c), a second push rod (403d) and a fixed tube (403e); an outer wall of one side of the second fixed cylinder (403a) is fixedly connected to the second fixed plate (404); an inner wall of the second fixed cylinder (403a) is slidably connected to the second piston head (403c); the second piston head (403c) is fixedly connected to one end of the second push rod (403d); the other end of the second push rod (403d) is fixedly connected to the movable block (206); the bottom of the second fixed cylinder (403a) is fixedly connected to the fixed tube (403e); the bottom of the second fixed cylinder (403a) is connected to one end of the second air intake pipe (403b); the other end of the second air intake pipe (403b) is fixedly connected to the first fixed cylinder (401a); and a through hole (403a-1) is provided on the second fixed cylinder (403a).

6. The agricultural replanting device according to claim 5, characterized in that: The driving assembly (400) further comprises a main pipe (405), a three-way head (406), an electrically controlled valve (407) and a third air intake pipe (408); the main pipe (405) is connected to one end of the three-way head (406); the three-way head (406) is connected to the first air intake pipe (401c) and the third air intake pipe (408); and the third air intake pipe (408) is connected to the fixed pipe (403e).

7. The agricultural replanting device according to claim 6, characterized in that: The drive assembly (400) further comprises a control member (409), wherein the control member (409) comprises a third piston head (409a), a spring (409b) and an inner ring (409c), wherein one end of the spring (409b) is fixedly connected to the inner end wall of the fixed tube (403e), and the other end of the spring (409b) is fixedly connected to the third piston head (409a), the third piston head (409a) is slidably connected to the inner wall of the fixed tube (403e), and the inner wall of the fixed tube (403e) is fixedly connected to the inner ring (409c).

Images