A concave wheel seed drill with horizontal high-speed rotation

Abstract

The invention belongs to the technical field of agricultural machinery, and relates to a horizontal high-speed rotating concave wheel seed drill, which is mainly composed of a main frame, a seed box, an upper seeding device, a lower seeding device, a pulley transmission device, an intermediate frame, a seed leakage device, a seed supply device, a furrow opener and a pressure suppressor. The seed box is fixed on the top of the frame, and the upper and lower seeding devices are fixed in the middle of the frame. The upper seeding device has a seed leakage device and a seed supply device, and the lower seeding device has a pulley transmission device. The rotation speed of the Archimedean screw of the seed supply device determines the speed of seed supply upward, and the motor of the seed leakage device controls the up and down movement of the seeding tube to determine the amount of seed input of the upper and lower seeding devices. The motor of the pulley transmission controls the rotation speed of the upper and lower seeding device throwing wheel to determine the seeding speed. The throwing wheel in the upper and lower seeding devices is in a concave wheel shape and cooperates with the guide bar to make the seeds move along the guide bar to the seeding mouth to prevent the seeds from splashing. The invention has a compact structure and a reasonable design. The design of the seeding device can effectively solve the problem of slow seeding speed, and at the same time, the damage to the seeds is small, thereby realizing continuous and high-speed sowing operations.

Description

Technical Field

[0001] The invention belongs to the technical field of agricultural machinery, and in particular relates to a horizontal high-speed rotating concave wheel seed drill. Background Art

[0002] The seed drill is a device that discharges seeds evenly and continuously from a seed box. After sowing and germination, the crops grow in parallel and equidistant rows. The seed drill's displacement stability, seeding uniformity and seed breakage rate are all important performance indicators.

[0003] Common row seeding devices include outer groove wheel type, grinding disc type, inner groove wheel type, spoon type, dial wheel type, flower disc type, pneumatic type and centrifugal type. The outer groove wheel type seeding device has pulsation, which makes the uniformity of seed distribution in the row poor; the inner groove wheel type seeding device relies on changing the speed to adjust the displacement, and requires a multi-speed ratio transmission mechanism, which has a more complex structure; the air suction type seeding device consumes more energy and has problems such as noise generation.

[0004] In order to solve the problems of poor seeding uniformity, high seed damage rate and slow seeding speed existing in the existing drill seeding and metering devices, it is necessary to design a drill seeding machine with reasonable structure, uniform and high speed seeding and strong versatility. Summary of the invention

[0005] The purpose of the present invention is to solve the problems of poor seeding uniformity, high seed damage rate and slow seeding speed of the drill seeding device described in the background technology, to achieve the effect of optimizing seeding, and to provide a horizontal high-speed rotating concave wheel drill seeding machine, which can meet the needs of high-speed sowing work, has good use effect, small requirements on seed size, and low bad seed rate.

[0006] The object of the present invention is achieved in this way: a horizontally rotating concave wheel seed drill, characterized in that the seed drill is composed of a main frame 1, a seed box 2, an upper seed discharge device 3, a lower seed discharge device 4, a pulley transmission device 5, an intermediate frame 6, a seed leakage device 7, a seed supply device 8, a furrow opener 9 and a pressure suppressor 10; the seed box 2 is installed above the main frame 1; the lower seed discharge device 4 is installed just above the main frame 1; the pulley transmission device 5 is connected to the lower seed discharge device 4 through a lower pulley bearing 503; the lower part of the intermediate frame 6 is connected to the ... The lower seed discharging shell cover 4011 of the lower seed discharging device 4 is fixedly connected; the bottom of the upper seed discharging device 3 is connected with the upper part of the middle frame 6 and the upper pulley bearing 509 of the pulley transmission device 5; the seed leakage device 7 cooperates with the upper seed discharging shell cover hole 3012 of the upper seed discharging device 3; the seed supply device 8 is fixedly connected with the lower seed discharging shell cover 4011 of the lower seed discharging device 4; the furrow opener 9 is fixed at the lower part of the first frame crossbeam 101 and the lower part of the second frame crossbeam 102; the suppressor 10 is fixedly connected to both sides of the main frame 1.

[0007] The main frame 1 is composed of a first frame crossbeam 101, a second frame crossbeam 102, a third frame crossbeam 103, a frame left beam 104, a frame right beam 105, a three-point suspension beam 106, an auxiliary rod 107, a lower seeding device frame 108, and a seed box frame 109; the first frame crossbeam 101, the second frame crossbeam 102, the third frame crossbeam 103, the frame left beam 104, and the frame right beam 105 are on the same horizontal plane and constitute the overall structure of the frame; the lower surfaces of the first frame crossbeam 101 and the second frame crossbeam 102 are provided with a furrow opener mounting seat 1011, and the furrow opener mounting seat 1011 is a rounded rectangular cross section; the lower surface of the third frame crossbeam 103 is provided with an upper spring pressure cover 1031; the frame left beam 104 is provided with a mounting hole 1 041, the same mounting hole is also provided at the same position of the right beam 105 of the frame; the three-point suspension beam 106 is welded to the upper surface of the first frame cross beam 101, and the three suspension points formed extend forward and are coplanar, the upper suspension point is provided with a mounting hole 1061, and the left and right suspension points are provided with pin holes 1062; the auxiliary rod 107 is a cylindrical rod, one end of which is welded to the middle upper surface of the second frame cross beam 102, and the other end is welded to the lower surface of the suspension point of the upper arm beam of the three-point suspension beam 106; the lower seed discharge device frame 108 is in a grid shape, welded to the middle part of the second frame cross beam 102 and the third frame cross beam 103, and a hole 1081 is opened in the middle; the seed box frame 109 is vertically welded to the upper surfaces of the second frame cross beam 102 and the third frame cross beam 103.

[0008] The seed box 2 is composed of a front baffle 201, a rear baffle 202, a left baffle 203, a right baffle 204 and a boss-shaped cylinder 205. The front baffle 201 and the rear baffle 202 are symmetrical front and back and perpendicular to the ground, and the left baffle 203 and the right baffle 204 are symmetrical left and right and perpendicular to the ground; the front baffle 201, the rear baffle 202, the left baffle 203 and the right baffle 204 are fixed together. , forming a hollow box body with upper and lower parts; the boss-shaped cylinder 205 is a hollow boss with rectangular upper and lower surfaces, the boss-shaped cylinder 205 is perpendicular to the ground, the upper surface of the boss-shaped cylinder 205 coincides with the lower surface of the hollow box body formed by the front baffle 201, the rear baffle 202, the left baffle 203 and the right baffle 204 of the seed box, and the various parts of the seed box are fixedly connected by welding, and the seed box is fixedly connected to the seed box frame 109 of the main frame 1 by welding.

[0009] The upper seeding device 3 is composed of an upper seeding shell 301, a spinning wheel 302, and a seeding mouth 303. The seeding shell is cylindrical, and an upper seeding shell cover 3011 is provided on the upper part of the upper seeding shell. An upper seeding shell cover hole 3012 is provided in the middle part of the upper seeding shell cover to cooperate with the seed leakage mouth 701 of the seed leakage device 7. A hole 3013 is provided at the center of the lower surface of the upper seeding shell, and 12 holes 3014 are evenly provided on the circumferential outer surface of the upper seeding shell in the circumferential direction; the spinning wheel 3 02 is circular and has a concave wheel shape as a whole. There is an upwardly protruding seed limiting device 3021 at the center of the bottom, and a hole 3022 is opened in the middle. There are 12 guide bars 3023 evenly distributed on the upper surface of the impeller along the circumferential direction. Each guide bar 3023 is inclined at an angle of 70° to the wall of the impeller 302. A hole 3024 is opened at the connection between the end of each guide bar 3023 and the wall of the impeller; the seed nozzle 303 is in an arc shape and is welded to the hole 3014 of the upper seed discharging shell 301.

[0010] The lower seeding device 4 is composed of a lower seeding shell 401, a spinning wheel 402, a seeding nozzle 403 and a lower seeding tube 404. The seeding shell is cylindrical, and a lower seeding shell cover 4011 is provided on the upper part of the lower seeding shell. A lower seeding shell cover hole 4012 is provided in the middle part of the lower seeding shell cover, and a hole 4013 is provided at the center of the lower surface of the lower seeding shell. Twelve holes 4014 are evenly provided on the circumferential outer surface of the lower seeding shell in the circumferential direction. The spinning wheel 402 is It is circular and has a concave wheel shape as a whole. There are 12 guide bars 4021 evenly distributed on the upper surface of the impeller along the circumferential direction. Each guide bar 4021 is inclined at an angle of 70° to the wall of the impeller 402. A hole 4022 is provided at the connection between the end of each guide bar 4021 and the wall of the impeller. The seed nozzle 403 is arc-shaped and welded to the hole 4014 of the lower seed discharging shell 401. The lower seed discharging tube 404 is cylindrical and welded to the hole 4012 of the lower seed discharging shell cover.

[0011] The pulley transmission device 5 is composed of a pulley motor 501, a main bearing 502, a lower pulley bearing 503, a lower pulley 504, a lower pulley belt 505, a lower pulley 506 of the main bearing, an upper pulley 507 of the main bearing, an upper pulley 508, an upper pulley bearing 509 and an upper pulley skin 510; the pulley motor output shaft 5011 is vertically connected to the main bearing 502; the lower pulley 504 and the lower pulley bearing 503 cooperate with each other, and the lower pulley bearing 503 is connected to each other through the middle hole 1081 of the lower seed discharging device frame 108 and the hole 4013 at the center position of the lower surface of the lower seed discharging shell 401; the inner surfaces of the two ends of the lower pulley belt 505 cooperate with the outer surfaces of the lower pulley 504 and the lower pulley 506 of the main bearing; The lower pulley 506 of the bearing and the upper pulley 507 of the main bearing are respectively vertically fixed to the lower end and the upper end of the main bearing 502; the upper pulley belt 510 is the same as the lower pulley belt 505, and the inner surfaces of its two ends are matched and connected with the outer surfaces of the upper pulley 507 and the upper pulley 508 of the main bearing; the center of the lower surface of the upper pulley 508 is in the same vertical direction as the center of the lower seeding tube 404; the upper pulley bearing 509 cooperates with the upper pulley 508, and a through hole 5091 is opened in the center of the upper pulley bearing, and the lower center of the upper pulley bearing 509 is in the same vertical direction as the lower seeding tube 404, and the upper pulley bearing 509 is matched and connected with the hole 3013 at the center position of the lower surface of the upper seeding shell through the center hole 606 of the intermediate frame 6.

[0012] The intermediate frame 6 is composed of a front support plate 601, a rear support plate 602, a left support plate 603, a right support plate 604, a cross frame beam 605 and a central hole 606; the front support plate 601 and the rear support plate 602 are symmetrical in front and back and perpendicular to the ground, and the left support plate 603 and the right support plate 604 are symmetrical in left and right and perpendicular to the ground; the upper ends of the front support plate 601, the rear support plate 602, the left support plate 603 and the right support plate 604 are welded to the four ends of the cross frame beam 605, and the lower ends are welded to the lower seed discharging shell cover 4011 of the lower seed discharging device 4; the cross frame beam 605 is in a "cross" shape, and a central hole 606 is opened in the middle of the cross frame beam.

[0013] The seed leakage device 7 is composed of a seed leakage port 701, an upper seed dropping tube 702 and an upper and lower adjustment device 703; the seed leakage port 701 is composed of a funnel port 7011 and a seed leakage tube 7012, the funnel port 7011 is funnel-shaped, the seed leakage tube 7012 is cylindrical, the lower end of the funnel port is fixedly connected to the upper end of the seed leakage tube, and a notch 7013 is provided on the outer surface of the seed leakage tube; the upper seed dropping tube 702 is cylindrical, the inner wall of the upper seed dropping tube is in contact with the outer wall of the seed leakage tube 7012, and is connected to the seed leakage port 701 through the upper and lower adjustment device 703.

[0014] The seed supply device 8 is composed of a motor bracket 801, a motor 802, a rotating rod 803, and an Archimedes spiral hose 804; the motor bracket 801 is welded to the upper surface of the upper seed discharge shell cover 3011, and a hole 8011 is opened at the upper end of the motor bracket 801; the motor 802 cooperates with the hole 8011 on the motor bracket; the driving shaft of the motor is fixedly connected to the rotating rod 803, and the two are on the same horizontal line; the Archimedes spiral hose 804 is spirally wound on the rotating rod 803.

[0015] The furrow opener 9 is composed of a vertical pole 901, a circular blade I 902, a circular blade II 903, a shield 904, a seeding tube 905, a scraper 906, a shock-absorbing spring 907 and a mounting seat 908; the vertical pole 901 is perpendicular to the ground and is an iron pipe with a rounded rectangular cross section; the circular blade I 902 is composed of a circular blade I 9021 and a bearing seat I 9022, and the circular blade I 902 is fixed to the vertical pole 901 by four bolts of the bearing seat I 9022, and the circular blade I 902 forms a certain angle with the vertical pole 901; the composition and installation of the circular blade II (903) are the same as those of the circular blade I, and the circular blade II 903 and the circular blade I The front ends of 902 overlap, and the two form a certain angle; the shield 904 is installed on the vertical pole 901 through the shield mounting plate 9041; the seeding tube 905 is double-cylindrical, welded to the rear side of the vertical pole 901, and connected to the seeding nozzle 303 of the upper seeding device 3 and the seeding nozzle 403 of the lower seeding device 4 through a hose; the scraper 906 is installed at the end of the shield 904; the shock-absorbing spring 907 is composed of a spring 9071, an upper spring pressure cover 9072 and a lower spring pressure cover 9073, and is installed on the vertical pole 901 through the upper spring pressure cover 9072 and the lower spring pressure cover 9073; the cross-section of the mounting seat 908 is a hollow iron pipe with an inner rounded rectangle, the inner surface of the mounting seat 908 cooperates with the outer surface of the vertical pole 901, and the upper surface of the mounting seat 908 is welded to the furrow opener mounting seat 1011 of the main frame 1.

[0016] The suppressor 10 consists of a suppressing wheel 1001, a suppressor mounting rod 1002 and a suppressing wheel shock absorber 1003; the suppressing wheel 1001 is a cylindrical drum whose outer circumference is welded by thin iron rods; the suppressor mounting rod 1002 has a hole 10021 at the lower end and a hole 10022 at the upper end, the hole 10022 cooperates with the mounting hole 1041 on the main frame and is connected by bolts; the central axis of the suppressing wheel 1001 is fixed in the hole 10021; the lower end of the suppressing wheel shock absorber 1003 is welded to the suppressor mounting rod 1002 through a lower spring pressure cover 10031, and the upper end is mounted on the main frame through an upper spring pressure cover 1031.

[0017] The beneficial effects of the present invention are as follows: 1. The present invention has modified the existing seeding device, which has greatly improved the existing seeding method of the seeding device. 2. The device can change the seeding speed of the upper and lower seeding devices respectively by controlling the motor speed of the seed supply device, the upper and lower adjustment device of the seed leakage device and the motor speed of the pulley transmission device, which can increase the operation speed of the tractor in the field and improve production efficiency. 3. The flywheel of the seeding device is concave, and the 12 evenly distributed guide bars are inclined at 70 degrees to the flywheel, which can effectively prevent seeds from splashing in the seeding device and damaging the seeds. In summary, the present invention has a simple structure and a reasonable design, and can effectively solve the problems of poor seeding uniformity, high seed damage rate and slow seeding speed existing in the existing row seeding device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall assembly of a horizontally rotating concave wheel seed drill.

[0019] Figure 2 This is a schematic diagram of the main frame.

[0020] Figure 3 Schematic diagram of the seed box.

[0021] Figure 4 Schematic diagram of the upper seed arrangement device.

[0022] Figure 5 Schematic diagram of the upper row shell.

[0023] Figure 6 Schematic diagram of the upper seed discharge device wheel.

[0024] Figure 7 This is a schematic diagram of the lower seeding device.

[0025] Figure 8 Schematic diagram of the lower row shell.

[0026] Fig. 9 This is a top view of the lower seed discharge device's spinning wheel.

[0027] Fig.10 Schematic diagram of the pulley transmission device.

[0028] Fig.11 This is a schematic diagram of the middle rack.

[0029] Fig.12 This is a schematic diagram of the seed leakage device.

[0030] Fig.13 This is a schematic diagram of the seed leakage port of the seed leakage device.

[0031] Fig.14 Schematic diagram of the seed supply device.

[0032] Fig.15Schematic diagram of the furrow opener.

[0033] Fig.16 Top view of the opener guard mounting plate.

[0034] Fig.17 Schematic diagram of the suppressor.

[0035] In the figure, 1-main frame, 101-first frame cross beam, 1011-ditch opener mounting seat, 102-second frame cross beam, 103-third frame cross beam, 1031-upper spring pressure cover, 104-frame left beam, 1041-mounting hole, 105-frame right beam, 106-three-point suspension beam, 1061-mounting hole, 1062-pin hole, 107-auxiliary rod, 108-lower seeding device frame, 109-seed box frame, 2-seed box, 201-seed box front baffle, 202-seed box rear baffle, 203-seed box left baffle Plate, 204-right baffle of seed box, 205-boss-shaped cylinder, 3-upper seeding device, 301-upper seeding shell, 302-throwing wheel, 303-seeding nozzle, 4-lower seeding device, 401-lower seeding shell, 402-throwing wheel, 403-seeding nozzle, 404-lower seeding tube, 4011-lower seeding shell cover, 4012-lower seeding shell cover hole, 4021-guide bar, hole 4022, 5-pulley transmission device, 501-pulley motor, 502-main bearing, 503-lower pulley bearing, 504-lower pulley, 5 05-lower pulley belt, 506-lower pulley of main bearing, 507-upper pulley of main bearing, 508-upper pulley, 509-upper pulley bearing, 510-upper pulley skin, 6-middle frame, 601-front support plate, 602-rear support plate, 603-left support plate 604-right support plate, 605-cross frame beam, 606-center hole, 7-seed leakage device, 701-seed leakage port, 7011-funnel port, 7012-seed leakage tube, 7013-notch, 702-upper seeding tube, 703-upper and lower adjustment device, 8- Seed supply device, 801-motor bracket, 802-motor, 803-rotating rod, 804-Archimedes spiral hose, 9-ditching device, 901-vertical pole, 902-circular blade I, 903-circular blade II, 904-shield, 905-seed pipe, 906-scraper, 907-shock-absorbing spring, 9071-spring, 9072-upper spring pressure cover, 9073-lower spring pressure cover, 908-mounting seat, 10-pressor, 1001-pressing wheel, 1002-pressor mounting rod, 1003-pressing wheel shock absorber. DETAILED DESCRIPTION

[0036] The present invention is further described in detail below in conjunction with the embodiments and drawings. Figure 1The figure is an overall schematic diagram of the assembly of a horizontally rotating concave wheel seed drill, which is mainly composed of a main frame 1, a seed box 2, an upper seed discharge device 3, a lower seed discharge device 4, a pulley transmission device 5, an intermediate frame 6, a seed leakage device 7, a seed supply device 8, a furrow opener 9 and a roller 10.

[0037] like Figure 2 Schematic diagram of the main frame, the main frame 1 is composed of a first frame crossbeam 101, a second frame crossbeam 102, a third frame crossbeam 103, a frame left beam 104, a frame right beam 105, a three-point suspension beam 106, an auxiliary rod 107, a lower seeding device frame 108, and a seed box frame 109; the first frame crossbeam 101, the second frame crossbeam 102, the third frame crossbeam 103, the frame left beam 104, and the frame right beam 105 are on the same horizontal plane and constitute the overall structure of the frame; the lower surfaces of the first frame crossbeam 101 and the second frame crossbeam 102 are provided with a furrow opener mounting seat 1011, and the furrow opener mounting seat 1011 is a rounded rectangular cross section; the lower surface of the third frame crossbeam 103 is provided with an upper spring pressure cover 1031; the frame left beam 104 is provided with The mounting hole 1041 is also provided at the same position of the right beam 105 of the frame; the three-point suspension beam 106 is welded to the upper surface of the first frame beam 101, and the three suspension points formed extend forward and are coplanar. The upper suspension point is provided with a mounting hole 1061, and the left and right suspension points are provided with pin holes 1062; the auxiliary rod 107 is a cylindrical rod, one end of which is welded to the middle upper surface of the second frame beam 102, and the other end is welded to the lower surface of the suspension point of the upper arm beam of the three-point suspension beam 106; the lower seed discharge device frame 108 is in a grid shape, welded to the middle part of the second frame beam 102 and the third frame beam 103, and a hole 1081 is opened in the middle; the seed box frame 109 is vertically welded to the upper surfaces of the second frame beam 102 and the third frame beam 103.

[0038] like Figure 3 Schematic diagram of a seed box, wherein the seed box 2 is composed of a front baffle 201, a rear baffle 202, a left baffle 203, a right baffle 204 and a boss-shaped cylinder 205. The front baffle 201 and the rear baffle 202 of the seed box are symmetrical in front and back and perpendicular to the ground, and the left baffle 203 and the right baffle 204 of the seed box are symmetrical in left and right and perpendicular to the ground; the front baffle 201, the rear baffle 202, the left baffle 203 and the right baffle 204 of the seed box are fixed. The boss-shaped cylinder 205 is a hollow boss with rectangular upper and lower surfaces. The boss-shaped cylinder 205 is perpendicular to the ground. The upper surface of the boss-shaped cylinder 205 coincides with the lower surface of the hollow box formed by the front baffle 201, the rear baffle 202, the left baffle 203 and the right baffle 204 of the seed box. The various parts of the seed box are fixedly connected by welding, and the seed box is fixedly connected to the seed box frame 109 of the main frame 1 by welding.

[0039] like Figure 4 , Figure 5 and Figure 6 , respectively, a schematic diagram of an upper seeding device, a schematic diagram of an upper seeding shell, and a schematic diagram of an upper seeding device wheel. The upper seeding device 3 is composed of an upper seeding shell 301, a wheel 302, and a seeding mouth 303. The seeding shell is cylindrical, and an upper seeding shell cover 3011 is provided on the upper portion of the upper seeding shell. An upper seeding shell cover hole 3012 is provided in the middle portion of the upper seeding shell cover to cooperate with the seed leakage port 701 of the seed leakage device 7. A hole 3013 is provided at the center of the lower surface of the upper seeding shell. The circumferential outer surface of the upper seeding shell is uniformly provided with a hole 3013 in the circumferential direction. There are 12 holes 3014 evenly distributed on the upper surface of the impeller 302; the impeller 302 is circular and has a concave wheel shape as a whole. There is an upwardly protruding seed limiting device 3021 at the center of the bottom, and a hole 3022 is opened in the middle part. There are 12 guide bars 3023 evenly distributed on the upper surface of the impeller along the circumferential direction, and each guide bar 3023 is inclined at an angle of 70° to the wall of the impeller 302. A hole 3024 is opened at the connection between the end of each guide bar 3023 and the wall of the impeller; the seed nozzle 303 is arc-shaped and welded to the hole 3014 of the upper seed shell 301.

[0040] like Figure 7 , Figure 8 and Fig. 9 , respectively, a schematic diagram of the lower seeding device, a schematic diagram of the lower seeding shell, and a top view of the lower seeding device wheel. The lower seeding device 4 is composed of a lower seeding shell 401, a wheel 402, a seeding nozzle 403, and a lower seeding tube 404. The seeding shell is cylindrical, and a lower seeding shell cover 4011 is provided on the upper part of the lower seeding shell. A lower seeding shell cover hole 4012 is provided in the middle part of the lower seeding shell cover, a hole 4013 is provided at the center of the lower surface of the lower seeding shell, and holes 4014 are uniformly provided on the circumferential outer surface of the lower seeding shell along the circumferential direction. There are 12 holes 4014, the impeller 402 is circular and concave as a whole, and 12 guide bars 4021 are evenly distributed on the upper surface of the impeller along the circumferential direction. Each guide bar 4021 is inclined at an angle of 70° to the wall of the impeller 402, and a hole 4022 is provided at the connection between the end of each guide bar 4021 and the wall of the impeller; the seed nozzle 403 is arc-shaped and welded to the hole 4014 of the lower seed discharging shell 401; the lower seed discharging tube 404 is cylindrical and welded to the hole 4012 of the lower seed discharging shell cover.

[0041] like Fig.10Schematic diagram of a pulley transmission device, the pulley transmission device 5 consists of a pulley motor 501, a main bearing 502, a lower pulley bearing 503, a lower pulley 504, a lower pulley belt 505, a lower pulley 506 of the main bearing, an upper pulley 507 of the main bearing, an upper pulley 508, an upper pulley bearing 509 and an upper pulley skin 510; the pulley motor output shaft 5011 is vertically connected to the main bearing 502; the lower pulley 504 and the lower pulley bearing 503 cooperate with each other, and the lower pulley bearing 503 is connected to each other through the middle hole 1081 of the lower seed discharging device frame 108 and the hole 4013 at the center position of the lower surface of the lower seed discharging shell 401; the inner surfaces of the two ends of the lower pulley belt 505 are connected to the outer surfaces of the lower pulley 504 and the lower pulley 506 of the main bearing Mutually cooperate with each other; the lower pulley 506 of the main bearing and the upper pulley 507 of the main bearing are respectively vertically fixed to the lower end and the upper end of the main bearing 502; the upper pulley belt 510 is the same as the lower pulley belt 505, and the inner surfaces of its two ends are mutually cooperated and connected with the outer surfaces of the upper pulley 507 and the upper pulley 508 of the main bearing; the center of the lower surface of the upper pulley 508 is in the same vertical direction as the center of the lower seeding tube 404; the upper pulley bearing 509 cooperates with the upper pulley 508, and a through hole 5091 is opened in the center of the upper pulley bearing, and the lower center of the upper pulley bearing 509 is in the same vertical direction as the lower seeding tube 404, and the upper pulley bearing 509 is mutually cooperated and connected with the hole 3013 at the center position of the lower surface of the upper seeding shell through the center hole 606 of the intermediate frame 6.

[0042] like Fig.11 Schematic diagram of the middle frame, the middle frame 6 is composed of a front support plate 601, a rear support plate 602, a left support plate 603, a right support plate 604, a cross frame beam 605 and a central hole 606; the front support plate 601 and the rear support plate 602 are symmetrical front and back and perpendicular to the ground, and the left support plate 603 and the right support plate 604 are symmetrical left and right and perpendicular to the ground; the upper ends of the front support plate 601, the rear support plate 602, the left support plate 603 and the right support plate 604 are welded to the four ends of the cross frame beam 605, and the lower ends are welded to the lower seed discharging shell cover 4011 of the lower seed discharging device 4; the cross frame beam 605 is in a "cross" shape, and a central hole 606 is opened in the middle of the cross frame beam.

[0043] like Fig.12 and Fig.13They are respectively a schematic diagram of a seed leaking device and a schematic diagram of a seed leaking port of the seed leaking device, wherein the seed leaking device 7 is composed of a seed leaking port 701, an upper seed dropping tube 702 and an upper and lower adjustment device 703; the seed leaking port 701 is composed of a funnel mouth 7011 and a seed leaking tube 7012, the funnel mouth 7011 is funnel-shaped, the seed leaking tube 7012 is cylindrical, the lower end of the funnel mouth is fixedly connected to the upper end of the seed leaking tube, and a notch 7013 is provided on the outer surface of the seed leaking tube; the upper seed dropping tube 702 is cylindrical, the inner wall of the upper seed dropping tube is in contact with the outer wall of the seed leaking tube 7012, and is connected to the seed leaking port 701 through the upper and lower adjustment device 703.

[0044] like Fig.14 This is a schematic diagram of a seed supply device, wherein the seed supply device 8 consists of a motor bracket 801, a motor 802, a rotating rod 803, and an Archimedes spiral hose 804; the motor bracket 801 is welded to the upper surface of the upper seed discharge housing cover 3011, and a hole 8011 is provided at the upper end of the motor bracket 801; the motor 802 cooperates with the hole 8011 on the motor bracket; the driving shaft of the motor is fixedly connected to the rotating rod 803, and the two are on the same horizontal line; the Archimedes spiral hose 804 is spirally wound around the rotating rod 803.

[0045] like Fig.15 and Fig.16 The figures are respectively a schematic diagram of a furrow opener and a top view of a furrow opener guard mounting plate, wherein the furrow opener 9 is composed of a vertical pole 901, a circular blade I 902, a circular blade II 903, a guard 904, a seeding tube 905, a scraper 906, a shock-absorbing spring 907 and a mounting seat 908; the vertical pole 901 is perpendicular to the ground and is an iron pipe with a rounded rectangular cross section; the circular blade I 902 is composed of a circular blade I 9021 and a bearing seat I 9022, and the circular blade I 902 is fixed to the vertical pole 901 by four bolts of the bearing seat I 9022, and the circular blade I 902 forms a certain angle with the vertical pole 901; the composition and installation of the circular blade II (903) are the same as those of the circular blade I, and the front ends of the circular blade II 903 and the circular blade I 902 overlap, and the two form a certain angle; the guard 90 4 is installed on the pole 901 through the shield mounting plate 9041; the seeding tube 905 is in a double cylindrical shape, welded to the rear side of the pole 901, and connected with the seeding nozzle 303 of the upper seeding device 3 and the seeding nozzle 403 of the lower seeding device 4 through a hose; the scraper 906 is installed at the end of the shield 904; the shock-absorbing spring 907 is composed of a spring 9071, an upper spring pressure cover 9072 and a lower spring pressure cover 9073, and is installed on the pole 901 through the upper spring pressure cover 9072 and the lower spring pressure cover 9073; the cross-section of the mounting seat 908 is a hollow iron pipe with an inner rounded rectangle, the inner surface of the mounting seat 908 cooperates with the outer surface of the pole 901, and the upper surface of the mounting seat 908 is welded to the furrow opener mounting seat 1011 of the main frame 1.

[0046] like Fig.17Schematic diagram of a suppressor, the suppressor 10 consists of a suppressor wheel 1001, a suppressor mounting rod 1002 and a suppressor wheel shock absorber 1003; the suppressor wheel 1001 is a cylindrical drum whose outer circumference is welded by thin iron rods; the suppressor mounting rod 1002 has a hole 10021 at the lower end and a hole 10022 at the upper end, the hole 10022 cooperates with the mounting hole 1041 on the main frame and is connected by bolts; the central axis of the suppressor wheel 1001 is fixed in the hole 10021; the lower end of the suppressor wheel shock absorber 1003 is welded to the suppressor mounting rod 1002 through a lower spring pressure cover 10031, and the upper end is mounted on the main frame through an upper spring pressure cover 1031.

[0047] The present invention is operated by tractor pulling. Before the operation, seeds are first poured into the seed box 2, and the seed supply device 8 is started to rotate the Archimedean spiral hose 804 to transport the seeds from the seed box 2 to the seed leakage device 7. The rotation speed of the seed supply device motor can control the speed of the seeds from the seed box 2 to the seed leakage device 7. The seeds pass through the seed leakage device 7 and enter the upper seed discharge device 3 and the lower seed discharge device 4. The upper and lower regulating devices 703 and the seed limiting device 3021 of the upper seed discharge device can control the number of seeds entering the upper and lower seed discharge devices. The pulley motor 50 of the pulley transmission device 5 is driven by the pulley motor 50 The rotation speed of the upper and lower seeding device spinning wheels 302 and 402 is controlled in the range of 200-900 rpm, thereby controlling the seeding speed of the upper and lower seeding devices. The seeds fall into the spinning discs 302 and 402, and the concave spinning discs rotate to generate centrifugal force, so that the seeds move upward. The inclined guide bars 3023 and 4021 can limit the disordered movement of the seeds, so that the seeds are thrown out along the guide bars and the wall of the spinning wheel, enter the seeding nozzles 303 and 403, and enter the furrows opened by the furrow opener 9 through the hose. The compactor 10 presses the soil to make the seeds in close contact with the soil.

[0048] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed by the present invention should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A horizontally rotating concave wheel seed drill, characterized in that: The seed drill comprises a main frame (1), a seed box (2), an upper seed discharge device (3), a lower seed discharge device (4), a pulley transmission device (5), an intermediate frame (6), a seed leakage device (7), a seed supply device (8), a furrow opener (9) and a pressure suppressor (10); the seed box (2) is installed above the main frame (1); the lower seed discharge device (4) is installed directly above the main frame (1); the pulley transmission device (5) is connected to the lower seed discharge device (4) via a lower pulley bearing (503); the lower part of the intermediate frame (6) is connected to the lower seed discharge housing cover of the lower seed discharge device (4) (4011); the bottom of the upper seeding device (3) is connected to the upper part of the middle frame (6) and the upper pulley bearing (509) of the pulley transmission device (5); the seed leakage device (7) cooperates with the hole (3012) of the upper seeding shell cover of the upper seeding device (3); the seed supply device (8) is fixedly connected to the lower seeding shell cover (4011) of the lower seeding device (3); the furrow opener (9) is fixed to the lower part of the first frame crossbeam (101) and the lower part of the second frame crossbeam (102); the suppressor (10) is fixedly connected to both sides of the main frame (1); The main frame (1) is composed of a first frame crossbeam (101), a second frame crossbeam (102), a third frame crossbeam (103), a frame left beam (104), a frame right beam (105), a three-point suspension beam (106), an auxiliary rod (107), a lower seeding device frame (108), and a seed box frame (109); the first frame crossbeam (101), the second frame crossbeam (102), the third frame crossbeam (103), the frame left beam (104), and the frame right beam (105) are on the same horizontal plane and form an overall structure of the frame; the first frame crossbeam (101) and the second frame crossbeam (102) have a furrow opener mounting seat (1011) on their lower surfaces, and the furrow opener mounting seat (1011) is a rectangular cross section with rounded corners; the lower surface of the third frame crossbeam (103) is provided with an upper spring pressure cover (1031); the frame left beam (104) A mounting hole (1041) is provided, and a similar mounting hole is also provided at the same position of the right beam (105) of the frame; a three-point suspension beam (106) is welded to the upper surface of the first frame cross beam (101), and the three suspension points formed extend forward and are coplanar, the upper suspension point is provided with a mounting hole (1061), and the left and right suspension points are provided with pin holes (1062); the auxiliary rod (107) is a cylindrical rod, one end of which is welded to the middle upper surface of the second frame cross beam (102), and the other end is welded to the lower surface of the suspension point of the upper arm beam of the three-point suspension beam (106); the lower seeding device frame (108) is in a grid shape, welded to the middle part of the second frame cross beam (102) and the third frame cross beam (103), and a hole (1081) is opened in the middle; the seed box frame (109) is vertically welded to the upper surfaces of the second frame cross beam (102) and the third frame cross beam (103); The seed box (2) is composed of a seed box front baffle (201), a seed box rear baffle (202), a seed box left baffle (203), a seed box right baffle (204) and a boss-shaped cylinder (205); the seed box front baffle (201) and the seed box rear baffle (202) are symmetrical in front and back and perpendicular to the ground; the seed box left baffle (203) and the seed box right baffle (204) are symmetrical in left and right and perpendicular to the ground; the seed box front baffle (201), the seed box rear baffle (202), the seed box left baffle (203) and the seed box right baffle (204) are The two parts are fixed together to form a hollow box body with upper and lower parts; the boss-shaped cylinder (205) is a hollow boss with rectangular upper and lower surfaces, the boss-shaped cylinder (205) is perpendicular to the ground, the upper surface of the boss-shaped cylinder (205) coincides with the lower surface of the hollow box body formed by the front baffle plate (201) of the seed box, the rear baffle plate (202) of the seed box, the left baffle plate (203) of the seed box, and the right baffle plate (204) of the seed box, the various parts of the seed box are fixed together by welding, and the seed box is fixed to the upper surface of the seed box frame (109) of the main frame (1) by welding; The upper seeding device (3) is composed of an upper seeding shell (301), a spinning wheel (302), and a seeding mouth (303). The seeding shell is cylindrical, and an upper seeding shell cover (3011) is provided on the upper portion of the upper seeding shell. An upper seeding shell cover hole (3012) is provided in the middle portion of the upper seeding shell cover, and cooperates with the seeding mouth (701) of the seeding device (7). A hole (3013) is provided at the center of the lower surface of the upper seeding shell, and 12 holes (3014) are uniformly provided on the circumferential outer surface of the upper seeding shell in the circumferential direction. The spinning wheel (3 02) is circular and has a concave wheel shape as a whole. A seed limiting device (3021) protruding upward is provided at the center of the bottom, and a hole (3022) is provided in the middle. Twelve guide bars (3023) are evenly distributed along the circumferential direction on the upper surface of the impeller. Each guide bar (3023) is inclined at an angle of 70° to the wall of the impeller (302). A hole (3024) is provided at the connection between the end of each guide bar (3023) and the wall of the impeller. The seed dispensing nozzle (303) is in an arc shape and is welded to the hole (3014) of the upper seed dispensing shell (301). The lower seeding device (4) is composed of a lower seeding shell (401), a spinning wheel (402), a seeding nozzle (403) and a lower seeding tube (404). The seeding shell is cylindrical. The upper part of the lower seeding shell is provided with a lower seeding shell cover (4011). The middle part of the lower seeding shell cover is provided with a lower seeding shell cover hole (4012). The lower surface of the lower seeding shell is provided with a hole (4013) at the center position. The circumferential outer surface of the lower seeding shell is provided with 12 holes (4014) evenly distributed along the circumferential direction. The spinning wheel (402) is The wheel is circular and has a concave wheel shape as a whole. Twelve guide bars (4021) are evenly distributed on the upper surface of the wheel along the circumferential direction. Each guide bar (4021) is inclined at an angle of 70° to the wall of the wheel (402). A hole (4022) is formed at the connection between the end of each guide bar (4021) and the wall of the wheel. The seeding nozzle (403) is in an arc shape and is welded to the hole (4014) of the lower seeding shell (401). The lower seeding tube (404) is in a cylindrical shape and is welded to the hole (4012) of the lower seeding shell cover. The pulley transmission device (5) comprises a pulley motor (501), a main bearing (502), a lower pulley bearing (503), a lower pulley (504), a lower pulley belt (505), a lower pulley of the main bearing (506), an upper pulley of the main bearing (507), an upper pulley (508), an upper pulley bearing (509) and an upper pulley belt (510); the output shaft (5011) of the pulley motor is vertically connected to the main bearing (502); the lower pulley (504) and the lower pulley bearing (503) cooperate with each other, and the lower pulley bearing (503) is connected to each other through a middle hole (1081) of a lower seeding device frame (108) and a hole (4013) at the center of the lower surface of the lower seeding shell (401); the inner surfaces of both ends of the lower pulley belt (505) are in contact with the outer surfaces of the lower pulley (504) and the lower pulley (506) of the main bearing. The upper pulley (507) and the lower pulley (506) of the main bearing are respectively fixedly connected vertically to the lower end and the upper end of the main bearing (502); the upper pulley belt (510) is the same as the lower pulley belt (505), and the inner surfaces of the two ends thereof are connected to the outer surfaces of the upper pulley (507) and the upper pulley (508) of the main bearing; the center of the lower surface of the upper pulley (508) and the center of the lower seeding tube (404) are in the same vertical direction; the upper pulley bearing (509) and the upper pulley (508) are connected to each other, and a through hole (5091) is opened in the center of the upper pulley bearing, and the lower center of the upper pulley bearing (509) and the lower seeding tube (404) are in the same vertical direction, and the upper pulley bearing (509) is connected to each other through the center hole (606) of the intermediate frame (6) and the hole (3013) at the center position of the lower surface of the upper seeding shell; The intermediate frame (6) is composed of a front support plate (601), a rear support plate (602), a left support plate (603), a right support plate (604), a cross frame beam (605) and a central hole (606); the front support plate (601) and the rear support plate (602) are symmetrical in front and back and perpendicular to the ground, and the left support plate (603) and the right support plate (604) are symmetrical in left and right and perpendicular to the ground; the upper ends of the front support plate (601), the rear support plate (602), the left support plate (603) and the right support plate (604) are welded to the four ends of the cross frame beam (605), and the lower ends are welded to the lower seed discharging shell cover (4011) of the lower seed discharging device (4); the cross frame beam (605) is in a "cross" shape, and a central hole (606) is opened in the middle of the cross frame beam; The seed leakage device (7) is composed of a seed leakage port (701), an upper seed dropping tube (702), and an upper and lower adjustment device (703); the seed leakage port (701) is composed of a funnel port (7011) and a seed leakage tube (7012); the funnel port (7011) is funnel-shaped, the seed leakage tube (7012) is cylindrical, the lower end of the funnel port is fixedly connected to the upper end of the seed leakage tube, and a notch (7013) is provided on the outer surface of the seed leakage tube; the upper seed dropping tube (702) is cylindrical, the inner wall of the upper seed dropping tube is in contact with the outer wall of the seed leakage tube (7012), and is connected to the seed leakage port (701) through the upper and lower adjustment device (703); The seed supply device (8) is composed of a motor support (801), a motor (802), a rotating rod (803), and an Archimedes spiral hose (804); the motor support (801) is welded to the upper surface of the upper seed discharge housing cover (3011), and a hole (8011) is formed at the upper end of the motor support (801); the motor (802) and the hole (8011) on the motor support cooperate with each other; the driving shaft of the motor and the rotating rod (803) are fixedly connected together, and the two are on the same horizontal line; the Archimedes spiral hose (804) is spirally wound around the rotating rod (803); The furrow opener (9) is composed of a vertical pole (901), a circular blade I (902), a circular blade II (903), a shield (904), a seeding tube (905), a scraper (906), a shock-absorbing spring (907) and a mounting seat (908); the vertical pole (901) is perpendicular to the ground and is an iron pipe with a rounded rectangular cross section; the circular blade I (902) is composed of a circular blade I (9021) and a bearing seat I (9022); the circular blade I (902) is fixed to the vertical pole (901) by four bolts of the bearing seat I (9022); the circular blade I (902) forms a certain angle with the vertical pole (901); the composition and installation of the circular blade II (903) are the same as those of the circular blade I; the front ends of the circular blade II (903) and the circular blade I (902) overlap and form a certain angle; the shield (904) is connected to the vertical pole (901) by a shield mounting plate (9041) ) is mounted on the vertical pole (901); the seed discharging tube (905) is in a double cylindrical shape, welded to the rear side of the vertical pole (901), and connected to the seed discharging nozzle (303) of the upper seed discharging device (3) and the seed discharging nozzle (403) of the lower seed discharging device (4) through a hose; the scraper (906) is mounted at the end of the shield (904); the shock absorbing spring (907) is composed of a spring (9071), an upper spring pressure cover (9072) and a lower spring pressure cover (9073), and is mounted on the vertical pole (901) through the upper spring pressure cover (9072) and the lower spring pressure cover (9073); the mounting seat (908) has a hollow iron pipe with a rounded rectangular cross section, the inner surface of the mounting seat (908) cooperates with the outer surface of the vertical pole (901), and the upper surface of the mounting seat (908) is welded to the furrow opener mounting seat (1011) of the main frame (1); The suppressor (10) is composed of a suppressor wheel (1001), a suppressor mounting rod (1002) and a suppressor wheel shock absorber (1003); the suppressor wheel (1001) is in the shape of a cylindrical drum whose outer circumference is welded by thin iron rods; a hole (10021) is formed at the lower end of the suppressor mounting rod (1002), and a hole (10022) is formed at the upper end; the hole (10022) cooperates with a mounting hole (1041) on the main frame and is connected by bolts; the central axis of the suppressor wheel (1001) is fixed in the hole (10021); the lower end of the suppressor wheel shock absorber (1003) is welded to the suppressor mounting rod (1002) through a lower spring pressure cover (10031), and the upper end is mounted on the main frame through an upper spring pressure cover (1031).

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