Sowing equipment for soil improvement

By designing seeding equipment including selection seats, floating blocks and selection racks, flexible switching of one, two and three seeds is achieved, solving the problem of low efficiency when sowing multiple seeds, improving the efficiency of existing spoon seeds The sowing success rate and equipment adaptability.

CN119234530AInactive Publication Date: 2025-01-03黑龙江省农业科学院牡丹江分院
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Patent Information

Application Number
CN202411733811.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-29
Publication Date
2025-01-03
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The existing spoon seeder needs to replace parts when sowing two or three seeds, which affects the efficiency and versatility of the equipment and lacks a wide range of adaptable seeding solutions.

Method used

A seeding device including a front cover, a fixed seat, a seeding disc and a selection device was designed. Through the combination of a selection seat, a floating block and a selection rack, three seeding modes are realized: one, two and three seedings, using The sliding connection between the floating block and the cam rod and the spring reset mechanism enables switching of different seeding modes.

Benefits of technology

It improves the success rate of sowing and the efficiency of equipment use, ensures the protection and uniform distribution of seeds during sowing, and adapts to different sowing needs.

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Abstract

Sowing equipment for soil improvement comprises a front cover, a fixing seat, a seed disc and a selection device, the front cover is fixedly connected with the fixing seat, the selection device is rotatably connected with the fixing seat, the seed disc is connected with the fixing seat, the selection device comprises a selection seat, the front side of the selection seat is fixedly connected with a seed taking disc, the selection seat is slidably connected with a set of floating blocks, and the rear side of the selection seat is rotatably connected with a selection frame. The selection frame is connected with a set of floating blocks. A first boss is arranged in the middle of the selection seat, a second boss is arranged in the middle of the first boss, two selection seat fixing holes are formed in the end face of the first boss, a seed taking disc center hole is formed in the middle of the seed taking disc, and a set of seed taking spoons with the same number as the selection seat grooves are evenly distributed on the outer side of the seed taking disc; the device selects one, two or three seeds according to seeding requirements, and is wide in adaptability and high in use efficiency.
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Description

Technical Field

[0001] The invention relates to the field of agricultural machinery, and in particular to a sowing device for improving soil. Background Art

[0002] In the agricultural sowing process of soil improvement, the spoon seeder, as a common agricultural mechanical equipment, has the advantages of light weight, easy to carry; high efficiency, time saving; good flexibility, wide adaptability; high precision, etc. However, the spoon seeder can only sow one seed at a time. When two or three seeds need to be sown each time, parts need to be replaced to solve the problem, which affects the efficiency of the spoon seeder and is not universal. Summary of the invention

[0003] In view of the above-mentioned deficiencies in the prior art, the present invention provides a soil improving sowing device which can select one, two or three seeds according to sowing requirements, has wide adaptability and high use efficiency.

[0004] The purpose of the present invention is to be achieved through the following technical solutions: A soil improvement sowing equipment comprises a front cover, a fixed seat, a seed tray and a selection device, wherein the front cover is fixedly connected to the fixed seat, the selection device is rotatably connected to the fixed seat, the seed tray is connected to the fixed seat, the selection device comprises a selection seat, the front side of the selection seat is fixedly connected to the seed tray, the selection seat is slidably connected to a group of floating blocks, the rear side of the selection seat is rotatably connected to a selection frame, and the selection frame is connected to a group of floating blocks. A group of selection seat grooves are evenly distributed on the outer side of the end surface of the selection seat, a No. 1 boss is provided in the middle of the selection seat, a No. 2 boss is provided in the middle of the No. 1 boss, and two selection seat fixing holes are provided on the end surface of the No. 1 boss, a seed tray center hole is provided in the middle of the seed tray, a group of seed spoons with the same number as the selection seat grooves are evenly distributed on the outer side of the seed tray, and two seed tray fixing holes are provided on the end surface of the seed tray, and the center hole of the seed tray is positioned on the cylindrical surface of the No. 2 boss, and bolts are passed through the two selection seat fixing holes and the two seed tray fixing holes, and the bolts connect the seed tray and the selection seat together.

[0005] Each selection seat groove of the selection seat is provided with a selection seat pin on the inner side, and the selection seat pin is on the rear side of the selection seat. A floating block is provided in each selection seat groove, and a floating block bottom plate is provided at the bottom of the floating block, and a floating block hole is provided on one side of the floating block bottom plate. Each floating block is slidably connected to the selection seat groove, and each floating block hole is slidably connected to the corresponding selection seat pin. A nut is connected to the rear side of each selection seat pin to prevent the floating block from falling off. A spring is provided between each floating block and the selection seat, and the spring is sleeved on the outside of the selection seat pin, and the two sides of the spring respectively press against the end face of the selection seat and the end face of the floating block hole.

[0006] A selection seat shaft is provided in the middle of the rear side of the selection seat, a selection seat scale is provided on the cylindrical surface of the selection seat shaft, a selection frame is provided on the outer side of the selection seat shaft, a selection frame shaft is provided in the middle of the selection frame, a selection frame shaft hole is provided in the middle of the selection frame shaft, a selection frame scale is provided on the end surface of the selection frame shaft, the selection frame shaft hole is rotatably connected to the selection seat shaft, the selection seat scale and the selection frame scale can display the rotation angle of the selection frame relative to the selection seat, a selection frame shaft screw hole is provided on the cylindrical surface of the selection frame shaft, a fixing bolt is connected in the selection frame shaft screw hole, and the fixing bolt fixes the selection seat and the selection frame together.

[0007] Beneficial effect: in the present invention, when the cam rod is selected and the cam of the floating block is slidably connected, the selection frame pushes out the floating block, and the surface of the floating block is flush with the surface of the No. 1 boss. When the cam rod is not slidably connected with the cam of the floating block, the floating block is reset under the action of the spring, and the surface of the floating block is flush with the surface of the selection seat. A temporary seed storage space is formed between the adjacent pushed-out floating blocks, the rear side of the seed plate, and the outer cylindrical surface of the No. 1 boss. The selection seat has three selection seat scales, corresponding to three sowing modes. The first is a one-grain sowing mode. When the first selection seat scale is aligned with the selection frame scale, a part of the selection cam rod on the selection frame is slidably connected with the cam of the floating block. At this time, all the floating blocks are pushed out, and the surfaces of all the floating blocks are aligned with the surface of the No. 1 boss. Each seed taking spoon corresponds to a temporary seed storage space, and the seeds of each seed taking spoon fall into each temporary seed storage space. This connection can sow one seed at a time, and the second The first is a two-seed sowing mode. When the scale of the second selection seat is aligned with the scale of the selection rack, a part of the selection cam rod on the selection rack is connected by sliding with the floating block cam. At this time, each floating block is ejected one by one, and there is a floating block that is not ejected between the adjacent floating blocks that are ejected. Every two seed spoons correspond to a temporary seed storage space, and the seeds in the two seed spoons fall into the same temporary seed storage space. This connection can sow two seeds each time. The third is a three-seed sowing mode. When the scale of the third selection seat is aligned with the scale of the selection rack, a part of the selection cam rod on the selection rack is connected by sliding with the floating block cam. At this time, each floating block is ejected one by one, and there are two floating blocks that are not ejected between the adjacent floating blocks that are ejected. Every three seed spoons correspond to a temporary seed storage space, and the seeds in the three seed spoons fall into the same temporary seed storage space. This connection can sow three seeds each time. It effectively protects seeds and improves the success rate of sowing. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 This is a schematic diagram of the structure of the soil improving sowing equipment according to the present invention.

[0009] Figure 2 This is a schematic diagram of the rear structure of the soil improving sowing equipment described in the present invention.

[0010] Figure 3This is a schematic diagram of the internal structure of the soil improving sowing equipment described in the present invention.

[0011] Figure 4 This is a schematic diagram of the internal front structure of the soil improving sowing equipment described in the present invention.

[0012] Figure 5 It is a schematic diagram of the front cover structure of the present invention.

[0013] Figure 6 It is a schematic diagram of the structure of the fixing seat described in the present invention.

[0014] Figure 7 It is a schematic diagram of the seed plate structure of the present invention.

[0015] Figure 8 It is a schematic diagram of the structure of the selection device described in the present invention.

[0016] Fig. 9 It is a schematic diagram of the rear structure of the selection device described in the present invention.

[0017] Fig.10 This is a schematic diagram of the structure of the selection device for sowing a seed according to the present invention.

[0018] Fig.11 This is a schematic diagram of the structure of the selection device when sowing two seeds according to the present invention.

[0019] Fig.12 This is a schematic diagram of the structure of the selection device when sowing three seeds according to the present invention.

[0020] Fig.13 It is a schematic diagram of the selection seat structure of the present invention.

[0021] Fig.14 It is a schematic diagram of the rear structure of the selector seat of the present invention.

[0022] Fig.15 The figure is a schematic diagram of the floating block structure of the present invention.

[0023] Fig.16 The figure is a schematic diagram of the lower structure of the floating block according to the present invention.

[0024] Fig.17 It is a schematic diagram of the selection frame structure of the present invention.

[0025] Fig.18 This is a schematic diagram of the front structure of the selection rack described in the present invention.

[0026] Fig.19 This is a schematic diagram of the structure of the first selection frame described in the present invention.

[0027] Fig. 20This is a schematic diagram of the structure of the second selection frame described in the present invention.

[0028] Fig.21 This is a schematic diagram of the structure of the third selection frame described in the present invention.

[0029] Fig. 22 It is a schematic diagram of the structure of the seed tray described in the present invention.

[0030] Fig.23 It is a schematic diagram of the front structure of the seed tray described in the present invention. DETAILED DESCRIPTION

[0031] The present invention is further described in detail below according to the accompanying drawings and embodiments: refer to Figures 1 to 4 A soil improvement sowing equipment comprises a front cover 110, a fixed seat 120, a seed tray 130 and a selection device 200, wherein the front cover 110 is fixedly connected to the fixed seat 120, the selection device 200 is rotatably connected to the fixed seat 120, the seed tray 130 is connected to the fixed seat 120, the selection device 200 comprises a selection seat 210, the front side of the selection seat 210 is fixedly connected to the seed tray 250, the selection seat 210 is slidably connected to a group of floating blocks 220, the rear side of the selection seat 210 is rotatably connected to a selection frame 230, and the selection frame 230 is connected to a group of floating blocks 220.

[0032] refer to Figures 8 to 12 , Fig.13 , Fig.14 , Fig. 22 , Fig.23 A group of selection seat grooves 211 are evenly distributed on the outer side of the end surface of the selection seat 210, a No. 1 boss 212 is provided in the middle of the selection seat 210, a No. 2 boss 213 is provided in the middle of the No. 1 boss 212, and two selection seat fixing holes 214 are provided on the end surface of the No. 1 boss 212. A seed taking plate 250 has a seed taking plate center hole 251 in the middle, and a group of seed taking spoons 252 with the same number as the selection seat groove 211 are evenly distributed on the outer side of the seed taking plate 250. There are two seed taking plate fixing holes 253 on the end surface of the seed taking plate 250, and the seed taking plate center hole 251 is positioned on the cylindrical surface of the No. 2 boss 213. Bolts pass through the two selection seat fixing holes 214 and the two seed taking plate fixing holes 253, and the bolts connect the seed taking plate 250 and the selection seat 210 together.

[0033] refer to Figures 8 to 12 , Figure 13 to Figure 16Each selection seat groove 211 of the selection seat 210 has a selection seat pin 218 on the inner side, and the selection seat pin 218 is on the rear side of the selection seat 210. A floating block 220 is provided in each selection seat groove 211, and a floating block bottom plate 222 is provided at the bottom of the floating block 220, and a floating block hole 223 is provided on one side of the floating block bottom plate 222. Each floating block 220 is slidably connected to the selection seat groove 211, and each floating block hole 223 is slidably connected to the corresponding selection seat pin 218. A nut is connected to the rear side of each selection seat pin 218 to prevent the floating block 220 from falling off. A spring 260 is provided between each floating block 220 and the selection seat 210, and the spring 260 is sleeved on the outer side of the selection seat pin 218. The two sides of the spring 260 respectively resist the end face of the selection seat 210 and the end face of the floating block hole 223.

[0034] refer to Figures 8 to 12 , Fig.13 , Fig.14 , Figures 17 to 21 A selection seat shaft 215 is provided in the middle of the rear side of the selection seat 210, and a selection seat scale 217 is provided on the cylindrical surface of the selection seat shaft 215. A selection frame 230 is provided on the outer side of the selection seat shaft 215. A selection frame shaft 231 is provided in the middle of the selection frame 230, and a selection frame shaft hole 232 is provided in the middle of the selection frame shaft 231. A selection frame scale 233 is provided on the end surface of the selection frame shaft 231. The selection frame shaft hole 232 is rotatably connected to the selection seat shaft 215. The selection seat scale 217 and the selection frame scale 233 can display the rotation angle of the selection frame 230 relative to the selection seat 210. A selection frame shaft screw hole 234 is provided on the cylindrical surface of the selection frame shaft 231. A fixing bolt 270 is connected in the selection frame shaft screw hole 234. The fixing bolt 270 fixes the selection seat 210 and the selection frame 230 together.

[0035] refer to Figures 8 to 12 , Fig.16 , Fig.17 A group of selection rods 235 are respectively provided on the outside of the selection frame 230, and a selection cam rod 236 is provided on the inside of each selection rod 235. A floating block cam 224 is provided at the bottom of each floating block 220, and the selection cam rod 236 is selectively slidably connected to the floating block cam 224.

[0036] refer to Figures 17 to 21A group of selection rods 235 on the outer side of the selection frame 230 includes a first selection frame 2301, a second selection frame 2302, and a third selection frame 2303. The first selection frame 2301, the second selection frame 2302, and the third selection frame 2303 together constitute the selection rod 235. The selection cam rods are evenly distributed on the outer sides of the first selection frame 2301, the second selection frame 2302, and the third selection frame 2303. When the selection cam rod 236 and the floating block cam 224 are slidably connected, the selection frame 230 pushes out the floating block 220, and the surface of the floating block 220 is flush with the surface of the first boss 212. When the selection cam rod 236 is not slidably connected with the floating block cam 224, the floating block 220 is reset under the action of the spring 260, and the surface of the floating block 220 is flush with the surface of the selection seat 210. The selection seat scale 217 of the selection seat 210 has three corresponding to three sowing modes. The first is a one-seed sowing mode. When the first selection seat scale 217 is When the scale 217 is aligned with the selection frame scale 233, a part of the selection cam rod 236 on the selection frame 230 is slidably connected to the floating block cam 224, and the distribution of the selection rod 235 slidably connected to the floating block cam 224 is equivalent to the selection rod on the first selection frame 2301. At this time, all floating blocks 220 are ejected, and the surfaces of all floating blocks 220 are aligned with the surface of the No. 1 boss 212. The adjacent floating blocks 220 and the cylindrical surfaces of the No. 1 boss 212 form a seed storage space. This connection can sow one seed at a time.

[0037] The second is a two-seed sowing mode. When the second selection seat scale 217 and the selection frame scale 233 are aligned, a part of the selection cam rod 236 on the selection frame 230 is slidably connected to the floating block cam 224, and the distribution of the selection rod 235 slidably connected to the floating block cam 224 is equivalent to the selection rod on the second selection frame 2302. At this time, each floating block 220 is ejected one by one, and there is a floating block 220 in the middle of the ejected floating blocks 220 that is not ejected. The adjacent ejected floating blocks 220 and the cylindrical surface of the No. 1 boss 212 form a seed storage space. This connection can sow two seeds each time.

[0038] The third is a three-seed sowing mode. When the third selection seat scale 217 and the selection frame scale 233 are aligned, a part of the selection cam rod 236 on the selection frame 230 is slidably connected to the floating block cam 224, and the distribution of the selection rod 235 slidably connected to the floating block cam 224 is equivalent to the selection rod on the third selection frame 2303. At this time, every two floating blocks 220 are ejected one by one, and there are two floating blocks 220 that are not ejected among the ejected floating blocks 220. The adjacent ejected floating blocks 220 and the cylindrical surface of the No. 1 boss 212 form a seed storage space. This connection can sow three seeds at a time.

[0039] refer to Figure 5The front cover 110 is a concave shell-like structure. A group of front cover fixing holes 111 are provided on the outside of the front cover 110. A seed box 112 is provided on the outside of the front cover 110. A seed opening 113 connected to the front cover 110 is provided at the lower part of the seed box 112.

[0040] refer to Figure 6 The fixing seat 120 has a fixing seat center hole 121 in the middle, a group of fixing seat fixing holes 123 are arranged on the outer side of the fixing seat 120, a flange 124 is arranged on one side of the fixing seat 120, a group of flange holes 125 are arranged on the flange 124, and a seed dropping port 122 is arranged at the lower part of the fixing seat 120.

[0041] refer to Figure 7 The seed disc 130 is a disc-shaped structure, with a seed disc center hole 131 in the middle of the seed disc 130, a seed disc inclined surface 132 on the outside of the seed disc center hole 131, an edge 133 on the outside of the seed disc inclined surface 132, a seed outlet 134 on one side of the seed disc 130, and an adjustment hole 135 on the outside of the seed disc 130.

[0042] References Figures 1 to 4 The selection frame shaft 231 in the middle of the selection frame 230 passes through the fixing seat center hole 121 in the middle of the fixing seat 120, the selection frame shaft 231 is rotatably connected to the fixing seat center hole 121, the seed plate center hole 131 in the middle of the seed plate 130 is rotatably connected to the outside of the seed plate 250, and bolts pass through the front cover fixing hole 111 of the front cover 110 and the fixing seat fixing hole 123 of the fixing seat 120. The bolts fix the front cover 110 and the fixing seat 120 together, and the edge 133 on the outside of the seed plate 130 is clamped between the front cover 110 and the fixing seat 120. Bolts pass between the adjustment hole 135 and the flange hole 125 on the outside of the seed plate 130, and a group of flanges 124 can adjust the position of the seed plate 130 relative to the selection device 200.

[0043] refer to Figures 1 to 4 The slope of the seed plate inclined surface 132 of the seed plate 130 is consistent with the slope of the floating block inclined surface 221 outside the floating block 220, the rear side of the seed plate inclined surface 132 is in contact with the floating block inclined surface 221, and the end of the seed taking spoon 252 outside the seed plate 250 is in contact with the seed plate 130 and the seed plate inclined surface 132.

[0044] refer to Figure 4When the seed tray 250 rotates to the seed outlet 134 outside the seed tray 130, the seed spoon 252 is at the middle of the seed outlet 134. The above connection allows the seed tray 130, the adjacent ejected floating blocks 220, the rear side of the seed tray 130, and the outer cylindrical surface of the No. 1 boss 212 to form a temporary seed storage space. When the floating block 220 rotates, the seed spoon 252 drives the seeds to slide along the surface of the seed tray 130. When the selection device 200 rotates to the upper part, the seed spoon 252 rotates to the seed outlet 134, and the seeds fall from the seed outlet 134 into the temporary seed storage space. When the selection device 200 rotates to the lower part, the seeds in the temporary seed storage space fall from the seed drop port 12 at the lower part of the front cover 110. 2, completing a sowing action. In the first sowing mode, each seed spoon 252 corresponds to a temporary seed storage space, and the seeds of each seed spoon 252 fall into each temporary seed storage space. In the second sowing mode, every two seed spoons 252 correspond to a temporary seed storage space, and the seeds in the two seed spoons 252 fall into the same temporary seed storage space. In the third sowing mode, every three seed spoons 252 correspond to a temporary seed storage space, and the seeds in the three seed spoons 252 fall into the same temporary seed storage space.

[0045] A method for using a soil improvement sowing device comprises the following steps: when using the device, in the first step, seeds are placed in a seed box 112, and the seeds flow from a seeding port 113 into a gap between a front cover 110 and a selection device 200; in the second step, a fixing seat 120 is fixed on a seeder, and the rotation of the seeder is transmitted to the selection device 200. When the selection device 200 rotates, the seeds between the front cover 110 and the selection device 200 enter into a gap between a seeding spoon 252 and a seeding plate 130, and the seeding spoon 252 is rotated. When the selecting device 200 rotates upward, the seed taking spoon 252 drives the seeds to slide along the surface of the seed plate 130. When the selecting device 200 rotates to the upper part, the seed taking spoon 252 rotates to the seed outlet 134, and the seeds fall into the temporary seed storage space from the seed outlet 134. When the selecting device 200 rotates to the lower part, the seeds in the temporary seed storage space flow out from the seed drop port 122 at the lower part of the front cover 110, completing one sowing, the sowing is uniform, the accuracy is high, the seeds are effectively protected, the seeds are prevented from being damaged, and the success rate of sowing is improved.

[0046] When the sowing grains need to be adjusted, loosen the fixing bolt 270 and rotate the selection frame 230. The selection seat scale 217 of the selection seat 210 has three, corresponding to three sowing modes. The first is the one-grain sowing mode. When the first selection seat scale 217 and the selection frame scale 233 are aligned, all the floating blocks 220 are ejected at this time, and the surfaces of all the floating blocks 220 are aligned with the surface of the No. 1 boss 212. Each seed taking spoon 252 corresponds to a temporary seed storage space, and the seeds of each seed taking spoon 252 fall into each temporary seed storage space. This connection can sow one seed at a time.

[0047] The second is a two-seed sowing mode. When the second selection seat scale 217 and the selection frame scale 233 are aligned, the floating blocks 220 are ejected one by one, and there is a floating block 220 in the middle of the ejected floating blocks 220 that is not ejected. Every two seed spoons 252 correspond to a temporary seed storage space, and the seeds in the two seed spoons 252 fall into the same temporary seed storage space. This connection can sow two seeds each time.

[0048] The third is a three-seed sowing mode. When the third selection seat scale 217 and the selection frame scale 233 are aligned, the floating blocks 220 are ejected one by one every two. There are two floating blocks 220 in the middle of the ejected floating blocks 220 that are not ejected. Every three seed spoons 252 correspond to a temporary seed storage space, and the seeds in the three seed spoons 252 fall into the same temporary seed storage space. This connection can sow three seeds each time.

[0049] By rotating the seed tray 130 and adjusting the angle of the seed tray 130 relative to the selection device 200, the time for the seeds to enter the seed outlet 134 can be adjusted to prevent the seeds in the seed scoop 252 from falling prematurely during the rotation of the seed tray 250, thereby preventing missed sowing.

[0050] When the cam rod 236 is slidably connected to the floating block cam 224, the selection frame 230 pushes the floating block 220 out, and the surface of the floating block 220 is flush with the surface of the first boss 212. When the cam rod 236 is not slidably connected to the floating block cam 224, the floating block 220 is reset under the action of the spring 260, and the surface of the floating block 220 is flush with the surface of the selection seat 210. A temporary seed storage space is formed between the adjacent pushed-out floating blocks 220, the rear side of the seed plate 130, and the outer cylindrical surface of the first boss 212. The selection seat scale of the selection seat 210 There are three 217, corresponding to three sowing modes. The first is a one-seed sowing mode. When the first selection seat scale 217 and the selection frame scale 233 are aligned, a part of the selection cam rod 236 on the selection frame 230 is slidably connected with the floating block cam 224. At this time, all floating blocks 220 are ejected, and the surfaces of all floating blocks 220 are aligned with the surface of the first boss 212. Each seed taking spoon 252 corresponds to a temporary seed storage space, and the seeds of each seed taking spoon 252 fall into each temporary seed storage space. This connection can sow one seed each time. The first mode is a two-seed sowing mode. When the second selection seat scale 217 and the selection frame scale 233 are aligned, a portion of the selection cam rod 236 on the selection frame 230 is slidably connected to the floating block cam 224. At this time, the floating blocks 220 are ejected one by one, and there is a floating block 220 between the adjacent ejected floating blocks 220 that is not ejected. Every two seed taking spoons 252 correspond to a temporary seed storage space, and the seeds in the two seed taking spoons 252 fall into the same temporary seed storage space. This connection can sow two seeds at a time. The third is a three-seed sowing mode. When the third selection seat scale 217 and the selection frame scale 233 are aligned, a part of the selection cam rod 236 and the floating block cam 224 on the selection frame 230 are slidably connected. At this time, every two floating blocks 220 are ejected, and there are two floating blocks 220 between the adjacent ejected floating blocks 220 that are not ejected. Every three seed taking spoons 252 correspond to a temporary seed storage space, and the seeds in the three seed taking spoons 252 fall into the same temporary seed storage space. This connection can sow three seeds each time.

Claims

1. A soil improvement sowing device, characterized in that : It comprises a front cover (110), a fixed seat (120), a seed plate (130) and a selection device (200), wherein the front cover (110) is fixedly connected to the fixed seat (120), the selection device (200) is rotatably connected to the fixed seat (120), the seed plate (130) is connected to the fixed seat (120), the selection device (200) comprises a selection seat (210), the front side of the selection seat (210) is fixedly connected to the seed plate (250), the selection seat (210) is slidably connected to a group of floating blocks (220), the rear side of the selection seat (210) is rotatably connected to a selection frame (230), and the selection frame (230) is connected to a group of floating blocks (220); a group of selection seat grooves (211) are evenly distributed on the outer side of the end surface of the selection seat (210), and the selection seat (21 0) has a No. 1 boss (212) in the middle, a No. 2 boss (213) is arranged in the middle of the No. 1 boss (212), an end surface of the No. 1 boss (212) has two selection seat fixing holes (214), a seed taking disk (250) has a seed taking disk center hole (251) in the middle, a group of seed taking spoons (252) with the same number as the selection seat groove (211) are evenly distributed on the outer side of the seed taking disk (250), and an end surface of the seed taking disk (250) has two seed taking disk fixing holes (253), the seed taking disk center hole (251) is positioned on the cylindrical surface of the No. 2 boss (213), bolts pass through the two selection seat fixing holes (214) and the two seed taking disk fixing holes (253), and the bolts connect the seed taking disk (250) and the selection seat (210) together.

2. A soil improvement sowing device according to claim 1, characterized in that Each selection seat groove (211) of the selection seat (210) has a selection seat pin (218) inside, the selection seat pin (218) is on the rear side of the selection seat (210), each selection seat groove (211) is provided with a floating block (220), the bottom of the floating block (220) has a floating block bottom plate (222), one side of the floating block bottom plate (222) has a floating block hole (223), each floating block (220) is slidably connected to the selection seat groove (211), each floating block hole (223) is slidably connected to the corresponding selection seat pin (218), the rear side of each selection seat pin (218) is connected to a nut, the nut prevents the floating block (220) from falling off, a spring (260) is provided between each floating block (220) and the selection seat (210), the spring (260) is sleeved on the outside of the selection seat pin (218), and the two sides of the spring (260) respectively abut against the end surface of the selection seat (210) and the end surface of the floating block hole (223).

3. A soil improvement sowing equipment according to claim 2, characterized in that A selection seat shaft (215) is provided in the middle of the rear side of the selection seat (210); a selection seat scale (217) is provided on the cylindrical surface of the selection seat shaft (215); a selection frame (230) is provided on the outer side of the selection seat shaft (215); a selection frame shaft (231) is provided in the middle of the selection frame (230); a selection frame shaft hole (232) is provided in the middle of the selection frame shaft (231); a selection frame scale (233) is provided on the end surface of the selection frame shaft (231); the selection frame shaft hole (232) is rotatably connected to the selection seat shaft (215); the selection seat scale (217) and the selection frame scale (233) indicate the rotation angle of the selection frame (230) relative to the selection seat (210); a selection frame shaft screw hole (234) is provided on the cylindrical surface of the selection frame shaft (231); a fixing bolt (270) is connected in the selection frame shaft screw hole (234); the fixing bolt (270) fixes the selection seat (210) and the selection frame (230) together.

4. A soil improving sowing equipment according to claim 3, characterized in that The selection frame (230) is provided with a group of selection rods (235) on the outside, each selection rod (235) is provided with a selection cam rod (236) on the inside, each floating block (220) is provided with a floating block cam (224) at the bottom, and the selection cam rod (236) is slidably connected to the floating block cam (224); the group of selection rods (235) on the outside of the selection frame (230) comprises a first selection frame (2301), a second selection frame (2302), and a third selection frame (2303); the first selection frame (2301), the second selection frame (2302), and the third selection frame (2303) constitute the selection rods (235); the front cover (110) is a concave shell-shaped structure; a group of front cover fixing holes (111) are provided on the outside of the front cover (110); a seed box (112) is provided on the outside of the front cover (110); and a seed opening (113) communicating with the front cover (110) is provided at the bottom of the seed box (112).

5. A soil improving sowing device according to claim 4, characterized in that The fixing seat (120) has a fixing seat center hole (121) in the middle, a group of fixing seat fixing holes (123) are arranged on the outside of the fixing seat (120), a flange (124) is arranged on one side of the fixing seat (120), a group of flange holes (125) are arranged on the flange (124), and a seed drop opening (122) is arranged at the bottom of the fixing seat (120); the seed plate (130) is a plate-shaped structure, a seed plate center hole (131) is arranged in the middle of the seed plate (130), a seed plate inclined surface (132) is arranged on the outside of the seed plate center hole (131), an edge (133) is arranged on the outside of the seed plate inclined surface (132), a seed outlet (134) is arranged on one side of the seed plate (130), and an adjustment hole (135) is arranged on the outside of the seed plate (130).

6. A soil improving sowing device according to claim 5, characterized in that The selection frame shaft (231) in the middle of the selection frame (230) passes through the fixing seat center hole (121) in the middle of the fixing seat (120), the selection frame shaft (231) is rotatably connected to the fixing seat center hole (121), the seed plate center hole (131) in the middle of the seed plate (130) is rotatably connected to the outside of the seed plate (250), bolts pass through the front cover fixing hole (111) of the front cover (110) and the fixing seat fixing hole (123) of the fixing seat (120), the bolts fix the front cover (110) and the fixing seat (120) together, the edge (133) on the outside of the seed plate (130) is clamped between the front cover (110) and the fixing seat (120), and bolts pass through the adjustment hole (135) and the flange hole (125) on the outside of the seed plate (130).

7. A soil improving sowing equipment according to claim 1, characterized in that The inclination of the seed disc inclined surface (132) of the seed disc (130) is consistent with the inclination of the floating block inclined surface (221) outside the floating block (220); the rear side of the seed disc inclined surface (132) fits with the floating block inclined surface (221); the end of the seed taking spoon (252) outside the seed taking disc (250) fits with the seed disc (130) and the seed disc inclined surface (132); when the seed taking disc (250) rotates to the seed outlet (134) outside the seed disc (130), the outside of the seed taking spoon (252) is in the middle of the seed outlet (134).