Double-variable fertilization equipment for cotton planting

Abstract

The invention discloses double-variable fertilization equipment for cotton planting, which comprises a placement plate and a plurality of comparison mechanisms, the plurality of comparison mechanisms are arranged in a cross shape, each comparison mechanism comprises a comparison plate, the cross section of each comparison plate is arc-shaped, and the top of each comparison plate is fixedly connected with a plurality of leaf color cards. The device comprises a control plate, the surface of the control plate is provided with a sliding opening, the cross section of the sliding opening is in a rib shape, and an overturning rod is attached to an inner cavity of the sliding opening. The control plate, the overturning rod, an L-shaped connecting rod, a supporting plate, a lifting rod, a supporting plate, a sleeve plate, a sleeve, a sector gear, a rack, a flow guide plate, a fixing frame, a limiting plate, a leaf color card and other components are matched with one another, so that the control plate, the overturning rod, the L-shaped connecting rod, the supporting plate, the lifting rod and the supporting plate are matched; cotton leaves can be compared with a leaf color card, a circular plate is driven to move according to a comparison result, so that nitrogen fertilizer in the box body falls into soil, the leaf color card is scientifically used, nitrogen fertilizer management can be dynamically optimized, the nitrogen fertilizer utilization rate is increased, and meanwhile, the environmental pollution risk is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of cotton planting, in particular to a dual variable fertilization device for cotton planting. Background Art

[0002] Cotton is a light-loving and thermophilic crop, suitable for planting in sandy loam and light loam with sufficient sunlight, loose soil and high fertility. Cotton has a large demand for nutrients, and the nutrient requirements of cotton are different in each stage: seedling stage, bud stage, boll stage and boll opening stage. Therefore, scientific fertilization is the key to improving yield and quality in cotton planting.

[0003] Dual variable fertilization is an agricultural technology that aims to improve fertilizer utilization and crop yield by precisely controlling the amount and location of fertilizer application. Existing dual variable fertilization equipment only improves the amount and location of fertilizer application, and does not have the function of adjusting the amount of fertilizer according to the different stages of cotton, which reduces the utilization rate of nitrogen fertilizer. Summary of the invention

[0004] To achieve the above object, the present invention provides the following technical solutions:

[0005] A dual variable fertilization device for cotton planting, comprising a placement plate and a plurality of comparison mechanisms, wherein the plurality of comparison mechanisms are arranged in a cross shape, the comparison mechanism comprising a comparison plate, wherein the cross section of the comparison plate is an arc-shaped arrangement, wherein a plurality of leaf color cards are fixedly connected to the top of the comparison plate, wherein a sliding opening is provided on the surface of the comparison plate, wherein the cross section of the sliding opening is a rib-shaped arrangement, wherein a flip rod is fitted to the inner cavity of the sliding opening, wherein an end of the outer side of the flip rod close to the placement plate is hingedly connected to a lifting rod, wherein an end of the outer side of the flip rod close to the center is hingedly connected to a support plate, wherein a sleeve is slidably sleeved at the outer side of the support plate close to the bottom end, wherein the sleeve A sleeve plate is fixedly sleeved on the outside, and the bottom end of the support plate passes through the inner cavity of the sleeve plate. A fan-shaped gear is fixedly connected to the side of the sleeve close to the placement plate, and an L-shaped connecting rod is connected to the bearing on the side of the sleeve plate away from the placement plate. The other end of the L-shaped connecting rod is fixedly connected to the bottom of the control plate. A cross plate is provided on the top of the placement plate, and a plurality of F-shaped connecting rods are fixedly connected to the top of the cross plate. The F-shaped connecting rods are arranged in a cross shape, and the corresponding ends of the F-shaped connecting rods are fixedly connected to the limiting plate. The inner cavities of the limiting plates are slidably connected with racks, and the racks and the fan-shaped gears are arranged to mesh with each other.

[0006] Preferably, a connecting rod is sleeved on the bottom end of the lifting rod, and the connecting rod is fixedly connected to a fixing frame on the side close to the placement plate, and the inner cavity of the fixing frame is fixedly connected to a guide plate, and a movable tube is penetrated through the center of the inner cavity of the fixing frame, and the end of the F-shaped connecting rod away from the placement plate is fixedly connected to a box body, and two circular openings are opened at the bottom of the inner cavity of the box body located on the front and left sides, and three circular holes are opened at the bottom of the box body located on the rear and right sides.

[0007] Preferably, the inner cavities of the circular hole and the circular mouth are fixedly connected with leakage plates, a circular plate is attached to the top of the leakage plate, two vertical rods are fixedly connected to the bottom of the circular plate, the bottom ends of the vertical rods pass through the inner cavity of the leakage plate, and the inner cavities of several leakage plates are provided with leakage holes, and the sizes of several leakage holes are arranged in a trapezoidal shape.

[0008] Preferably, a positioning plate is fixedly connected to the top of the placing plate, a plurality of slots are opened on the top of the positioning plate, and the plurality of slots are arranged in a cross shape with the center of the positioning plate as the center, an intermittent block is inserted at the center of the top of the positioning plate, a reset spring is fixedly connected to the front side of the intermittent block, a clamping block is fixedly connected to the front end of the reset spring, and the bottom of the cross plate is fixedly connected to the intermittent block.

[0009] Preferably, the left and right sides of the placement plate are fixedly connected with side plates, a groove is formed on the side plate, a plurality of limit grooves are formed on the front and rear sides of the inner side walls of the groove, a convex plate is formed on the side of the side plate away from the placement plate, a clamping groove is formed on the front and rear sides of the convex plate, a spring sheet is fixedly connected to the clamping groove, and the corresponding sides of the two spring sheets are fixedly connected with limit blocks, the limit blocks are fitted with adjacent limit grooves, and a push rod is fixedly connected to the top of the convex plate.

[0010] Preferably, a plurality of inclined plates are fixedly connected to the bottom of the convex plate, and rollers are installed near the bottom between every two adjacent inclined plates. A cross plate is provided at the bottom of the convex plate, and the front and rear sides of the cross plate are fixedly connected to the adjacent inclined plates. A motor is installed at the bottom of the placement plate, and the motor power output shaft is fixedly connected to two active groove wheels, and the two active groove wheels are symmetrically arranged up and down.

[0011] Preferably, there is a driven sheave at the bottom of the two convex plates, and a belt is attached to the outer side of the driving sheave and the driven sheave together. A transmission rod is passed through the center of the driven sheave and is fixedly connected to it. The bottom end of the transmission rod passes through the inner cavity of the cross plate, and the bottom end of the transmission rod is fixedly connected to the center shaft, and the bottom end of the center shaft is fixedly connected to the driving bevel gear.

[0012] Preferably, a hinged plate is fixedly connected to the bottom center of the transverse plate, a driven bevel gear is hinged to the inner cavity of the hinged plate near the bottom, the driven bevel gear is meshed with the active bevel gear, a first crank is hinged to one side of the driven bevel gear near the center of the placement plate, a first rotating shaft is penetrated through the inner cavity of the first crank and fixedly connected thereto, a second crank is sleeved on the outer side of the first rotating shaft, a second rotating shaft is penetrated through the inner cavity of the second crank near the top and fixedly connected thereto, a swinging plate is sleeved on the outer side of the second rotating shaft, a mounting plate is hinged on the swinging plate, and the top of the mounting plate is fixedly connected to the bottom of the transverse plate.

[0013] Preferably, a third rotating shaft is provided through the side of the second crank inner cavity away from the swing plate and is fixedly connected to it, a movable shovel is fixedly connected to one end of the third rotating shaft close to the placing plate, a discharge box is provided on the front side of the placing plate, and a T-shaped tube is fixedly connected to the bottom of the discharge box.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. The present invention can compare the cotton leaves with the leaf color card through the mutual cooperation among the control plate, the turning rod, the L-shaped connecting rod, the support plate, the lifting rod, the support plate, the sleeve plate, the sleeve, the fan-shaped gear, the rack, the guide plate, the fixed frame, the limit plate, the leaf color card and other components, and drive the circular plate to move according to the comparison result, so that the nitrogen fertilizer in the box falls into the soil. The scientific use of the leaf color card can dynamically optimize the nitrogen fertilizer management, improve the utilization rate of nitrogen fertilizer, and reduce the risk of environmental pollution.

[0016] 2. The present invention can realize that when the equipment moves, the two movable shovels are driven by the motor to swing through the mutual cooperation among the transmission rod, the cross plate, the hinged plate, the active bevel gear, the driven bevel gear, the movable shovel, the mounting plate, the first crank, the second crank, the swing plate and other components. When the movable shovel swings, the soil can be dug up, so that nitrogen fertilizer can enter the soil, thereby improving the growth quality and yield of crops. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the present invention;

[0018] Figure 2 It is a bottom view of the structure of the present invention;

[0019] Figure 3 This is a schematic diagram of the structure of the limiting plate component of the present invention;

[0020] Figure 4 This is a bottom view of the limit plate structure of the component of the present invention;

[0021] Figure 5 This is a disassembled diagram of the component placement board structure of the present invention;

[0022] Figure 6 It is a plan view of the interior of the component box of the present invention;

[0023] Figure 7 This is a disassembled diagram of the component box structure of the present invention;

[0024] Figure 8 It is a structural plan view of the component control plate of the present invention;

[0025] Fig. 9 This is a schematic diagram of the cross plate structure of the component of the present invention;

[0026] Fig.10This is a bottom view of the horizontal plate structure of the component of the present invention;

[0027] Fig.11 for Figure 5 Enlarged view of point A in the middle;

[0028] Fig.12 for Figure 5 Enlarged view of point B in the middle.

[0029] Numbers in the figure: 1. Placement plate; 2. Positioning plate; 3. Control plate; 4. Push rod; 5. L-shaped connecting rod; 6. Unloading box; 7. T-shaped tube; 8. Belt; 9. Transmission rod; 10. Inclined plate; 11. Roller; 12. Horizontal plate; 13. Active groove wheel; 14. Driven groove wheel; 15. Motor; 16. Leaf color card; 17. Turning rod; 18. Support plate; 19. Limiting plate; 20. Movable tube; 21. Sector gear; 22. Rack; 23. Sleeve plate; 24. Lifting rod; 25. Linking rod; 26. Diversion Plate; 27, fixed frame; 28, sleeve; 29, box; 30, F-type connecting rod; 31, round plate; 32, leakage plate; 33, vertical rod; 34, cross plate; 35, intermittent block; 36, side plate; 37, convex plate; 38, spring; 39, limit block; 40, return spring; 41, clamping block; 42, hinged plate; 43, center shaft; 44, active bevel gear; 45, driven bevel gear; 46, movable shovel; 47, mounting plate; 48, first crank; 49, second crank; 50, swing plate. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] See also Figure 1-12 , the present invention provides a technical solution:

[0032] A dual variable fertilization device for cotton planting, comprising a placement plate 1 and a plurality of comparison mechanisms, wherein the plurality of comparison mechanisms are arranged in a cross shape, the comparison mechanism comprising a comparison plate 3, wherein the cross section of the comparison plate 3 is an arc-shaped arrangement, wherein a plurality of leaf color cards 16 are fixedly connected to the top of the comparison plate 3, wherein a sliding opening is provided on the surface of the comparison plate 3, wherein the cross section of the sliding opening is a rib-shaped arrangement, wherein a flip rod 17 is attached to the inner cavity of the sliding opening, wherein a lifting rod 24 is hingedly connected to the outer end of the flip rod 17 near the placement plate 1, and a lifting rod 24 is hingedly connected to the outer end of the flip rod 17 near the center The support plate 18 has a sleeve 28 slidably sleeved on the outer side of the support plate 18 near the bottom end, and a sleeve plate 23 is fixedly sleeved on the outer side of the sleeve 28. The bottom end of the support plate 18 passes through the inner cavity of the sleeve plate 23. The side of the sleeve 28 close to the placement plate 1 is fixedly connected to a sector gear 21. The side of the sleeve plate 23 away from the placement plate 1 is connected to an L-shaped connecting rod 5 by a bearing. The other end of the L-shaped connecting rod 5 is fixedly connected to the bottom of the control plate 3. The top of the placement plate 1 has a cross plate 34, and the top of the cross plate 34 is fixedly connected to a plurality of F-shaped connecting rods 30. If The F-type connecting rods 30 are arranged in a cross shape, and the corresponding ends of the several F-type connecting rods 30 are fixedly connected to the limit plate 19, and the inner cavities of the several limit plates 19 are slidably connected with the racks 22, and the racks 22 and the fan-shaped gears 21 are mutually meshed. The bottom end of the lifting rod 24 is sleeved with a connecting rod 25, and the connecting rod 25 is fixedly connected to the fixed frame 27 on the side close to the placement plate 1. The inner cavity of the fixed frame 27 is fixedly connected with a guide plate 26, and the center of the inner cavity of the fixed frame 27 is penetrated with an active tube 20. The F-type connecting rods 30 are far away from the bottom end of the lifting rod 24. A box body 29 is fixedly connected to one end of the placement plate 1, and two circular openings are provided at the bottom of the inner cavity of the box body 29 located on the front and left sides, and three circular holes are provided at the bottom of the box body 29 located on the rear and right sides. A leakage plate 32 is fixedly connected to the inner cavity of the circular holes and the circular openings, and a circular plate 31 is attached to the top of the leakage plate 32. Two vertical rods 33 are fixedly connected to the bottom of the circular plate 31, and the bottom ends of the vertical rods 33 pass through the inner cavity of the leakage plate 32. Leakage holes are provided in the inner cavities of several leakage plates 32, and the sizes of several leakage holes are arranged in a trapezoidal shape.

[0033] The top of the placement plate 1 is fixedly connected to the positioning plate 2, and a plurality of slots are provided on the top of the positioning plate 2. The plurality of slots are arranged in a cross shape with the center of the circle of the positioning plate 2 as the center. An intermittent block 35 is inserted at the center of the top of the positioning plate 2. A reset spring 40 is fixedly connected to the front side of the intermittent block 35. A clamping block 41 is fixedly connected to the front end of the reset spring 40. The bottom of the cross plate 34 is fixedly connected to the intermittent block 35. The left and right sides of the placement plate 1 are fixedly connected to side plates 36. A groove is provided on the side plate 36. A plurality of limit grooves are provided on the front and rear sides of the inner wall of the groove. A convex plate 37 is provided on the side of the side plate 36 away from the placement plate 1. A clamping block 41 is provided on the front and rear sides of the convex plate 37. The slot is fixedly connected with a spring 38, and the corresponding sides of the two springs 38 are fixedly connected with a limit block 39, and the limit block 39 fits with the adjacent limit slot. The top of the convex plate 37 is fixedly connected with a push rod 4, and the bottom of the convex plate 37 is fixedly connected with a plurality of inclined plates 10. A roller 11 is installed near the bottom between each two adjacent inclined plates 10, and a transverse plate 12 is provided at the bottom of the convex plate 37. The front and rear sides of the transverse plate 12 are fixedly connected to the adjacent inclined plates 10. A motor 15 is installed at the bottom of the placement plate 1, and the power output shaft of the motor 15 is fixedly connected with two active groove wheels 13. The two active groove wheels 13 are symmetrically arranged up and down. The bottom of the two convex plates 37 There are driven sheaves 14, and the driving sheaves 13 and the driven sheaves 14 are jointly attached with a belt 8 on the outside. A transmission rod 9 is penetrated at the center of the driven sheave 14 and is fixedly connected thereto. The bottom end of the transmission rod 9 penetrates the inner cavity of the transverse plate 12, and a central shaft 43 is fixedly connected to the bottom end of the transmission rod 9. A driving bevel gear 44 is fixedly connected to the bottom end of the central shaft 43. A hinged plate 42 is fixedly connected to the center of the bottom of the transverse plate 12. A driven bevel gear 45 is hinged near the bottom of the inner cavity of the hinged plate 42. The driven bevel gear 45 is meshed with the driving bevel gear 44. A first crank 48 is hinged on one side of the driven bevel gear 45 near the placement plate 1 at the center of the circle. A first rotating shaft is penetrated through the inner cavity of a crank 48 and is fixedly connected thereto, a second crank 49 is sleeved on the outer side of the first rotating shaft, a second rotating shaft is penetrated through the inner cavity of the second crank 49 near the top and is fixedly connected thereto, a swing plate 50 is sleeved on the outer side of the second rotating shaft, a mounting plate 47 is hinged on the swing plate 50, the top of the mounting plate 47 is fixedly connected to the bottom of the cross plate 12, a third rotating shaft is penetrated through the inner cavity of the second crank 49 away from the swing plate 50 and is fixedly connected thereto, a movable shovel 46 is fixedly connected to the end of the third rotating shaft close to the placement plate 1, a discharge box 6 is provided on the front side of the placement plate 1, and a T-tube 7 is fixedly connected to the bottom of the discharge box 6.

[0034] Working principle: First, the staff selects the corresponding control plate 3 according to the current stage of cotton. The four control plates 3 correspond to the seedling stage, bud stage, boll stage and boll opening stage of cotton respectively. The control plate 3 located on the front side represents the seedling stage. When the staff needs to adjust the control plate 3, the cross plate 34 can be rotated. When the cross plate 34 rotates, it can drive the intermittent block 35 to rotate. When the intermittent block 35 rotates, it can drive the card block 41 to rotate through the reset spring 40. When the card block 41 rotates, it can fit with the slot to fix the current position. After the target control plate 3 is determined, the staff can compare the cotton leaves with the leaf color card 16 on the top of the control plate 3. The leaf color card 16 reflects the chlorophyll content in the cotton leaves through the standardized green color scale, which indirectly indicates the nitrogen level. The darker the leaf color, the more sufficient the nitrogen, and vice versa, nitrogen supplementation is needed;

[0035] The staff adjusts the position of the flip rod 17 according to the color of the cotton leaves. Taking the control plate 3 located on the front side as an example, when the color of the cotton leaves is slightly nitrogen-deficient, the cotton leaves are one level different from the leaf color card 16 in color gradation, and a small amount of fertilizer is needed. Therefore, the staff can move the flip rod 17 to the left by one grid. When the flip rod 17 moves, it can drive the lifting rod 24 to swing. When the lifting rod 24 swings, it can drive the sleeve 28 to rotate slightly. When the sleeve 28 rotates slightly, it can drive the fan gear 21 to swing. When the fan gear 21 swings, it can drive the rack 22 to move to the left, thereby moving to the bottom of the circular plate 31 located on the right. When the movement is completed, the staff can flip the flip rod 17 downward. When the flip rod 17 flips downward, the support plate 18 can be used as a fulcrum to drive the lifting rod 24 to move upward. When the lifting rod 24 moves upward, it can drive the linkage rod 25 to move upward. When the linkage rod 25 When moving upward, the movable tube 20 can be driven to move upward into the inner cavity of the circular mouth through the fixed frame 27. The movable tube 20 moves upward to contact the bottom ends of the two vertical rods 33, and drives the circular plate 31 to move upward. When the circular plate 31 moves upward, the leakage hole can be exposed, so that the nitrogen fertilizer (urea granules) in the inner cavity of the box body 29 falls into the inner cavity of the movable tube 20 and contacts with the guide plate 26. The nitrogen fertilizer falls into the interior of the discharge box 6 under the action of the guide plate 26. The nitrogen fertilizer in the discharge box 6 can fall through the T-shaped tube 7. When the cotton leaves are severely nitrogen deficient, the color level of the cotton leaves and the leaf color card 16 is two levels different. At this time, the staff can drive the flip rod 17 to move two grids to the left, so that the movable tube 20 moves to the bottom of the circular plate 31 on the left, and repeat the above movement process. Since the leakage holes are arranged in a trapezoidal shape, the leakage holes on the left are larger than the leakage holes on the right, thereby increasing the amount of fertilizer applied.

[0036] When the motor 15 is started, the two active sheaves 13 can be driven to rotate through the power output shaft. When the two active sheaves 13 rotate, the two driven sheaves 14 can be driven to rotate through the two belts 8. When the driven sheave 14 rotates, the transmission rod 9 can be driven to rotate. When the transmission rod 9 rotates, the active bevel gear 44 can be driven to rotate. When the active bevel gear 44 rotates, the driven bevel gear 45 can be driven to rotate. When the driven bevel gear 45 rotates, the first crank 48 can be driven to rotate. When the first crank 48 rotates, the second crank 49 can be driven to reciprocate. The second crank 49 can limit the motion trajectory through the swing plate 50. When the second crank 49 moves, it can drive the movable shovel 46 to move, thereby shoveling the soil to facilitate the nitrogen fertilizer to enter the soil.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A dual variable fertilization device for cotton planting, comprising a placement plate (1) and a plurality of comparison mechanisms, characterized in that: The plurality of comparison mechanisms are arranged in a cross shape, and the comparison mechanism comprises a comparison plate (3), the cross section of the comparison plate (3) is arranged in an arc shape, a plurality of leaf color cards (16) are fixedly connected to the top of the comparison plate (3), a sliding opening is opened on the surface of the comparison plate (3), the cross section of the sliding opening is arranged in a rib shape, a flip rod (17) is fitted in the inner cavity of the sliding opening, an outer end of the flip rod (17) close to the placement plate (1) is hingedly connected to a lifting rod (24), an outer end of the flip rod (17) close to the center is hingedly connected to a support plate (18), a sleeve (28) is slidably sleeved on the outer side of the support plate (18) close to the bottom end, a sleeve (28) is fixedly sleeved on the outer side of the sleeve (28), and the bottom end of the support plate (18) passes through the sleeve (23). 3), the side of the sleeve (28) close to the placement plate (1) is fixedly connected to a sector gear (21), the side of the sleeve plate (23) away from the placement plate (1) is bearing-connected to an L-shaped connecting rod (5), the other end of the L-shaped connecting rod (5) is fixedly connected to the bottom of the control plate (3), the top of the placement plate (1) is provided with a cross plate (34), the top of the cross plate (34) is fixedly connected to a plurality of F-shaped connecting rods (30), the plurality of F-shaped connecting rods (30) are arranged in a cross shape, the corresponding ends of the plurality of F-shaped connecting rods (30) are fixedly connected to a limit plate (19), the inner cavities of the plurality of limit plates (19) are slidably connected to racks (22), the racks (22) and the sector gear (21) are arranged to mesh with each other.

2. A dual variable fertilization device for cotton planting according to claim 1, characterized in that: The bottom end of the lifting rod (24) is sleeved with a connecting rod (25); the connecting rod (25) is fixedly connected to a fixing frame (27) on the side close to the placement plate (1); the inner cavity of the fixing frame (27) is fixedly connected to a guide plate (26); a movable tube (20) is passed through the center of the inner cavity of the fixing frame (27); the end of the F-shaped connecting rod (30) away from the placement plate (1) is fixedly connected to a box body (29); the bottom of the inner cavity of the box body (29) located at the front and left sides is provided with two circular openings, and the bottom of the inner cavity of the box body (29) located at the rear and right sides is provided with three circular holes.

3. A dual variable fertilization device for cotton planting according to claim 2, characterized in that: The inner cavities of the circular hole and the circular mouth are fixedly connected with a leakage plate (32), the top of the leakage plate (32) is fitted with a circular plate (31), the bottom of the circular plate (31) is fixedly connected with two vertical rods (33), the bottom ends of the vertical rods (33) pass through the inner cavity of the leakage plate (32), and the inner cavities of several leakage plates (32) are provided with leakage holes, and the sizes of several leakage holes are arranged in a trapezoidal shape.

4. A dual variable fertilization device for cotton planting according to claim 3, characterized in that: The top of the placement plate (1) is fixedly connected to a positioning plate (2), the top of the positioning plate (2) is provided with a plurality of slots, the plurality of slots are arranged in a cross shape with the center of the positioning plate (2) as the center, an intermittent block (35) is inserted at the center of the top of the positioning plate (2), a reset spring (40) is fixedly connected to the front side of the intermittent block (35), a clamping block (41) is fixedly connected to the front end of the reset spring (40), and the bottom of the cross plate (34) is fixedly connected to the intermittent block (35).

5. The dual variable fertilization device for cotton planting according to claim 4, characterized in that: The left and right sides of the placement plate (1) are fixedly connected to side plates (36), a groove is provided on the side plate (36), and a plurality of limit grooves are provided on the front and rear sides of the inner side wall of the groove. A convex plate (37) is provided on the side of the side plate (36) away from the placement plate (1), and a clamping groove is provided on the front and rear sides of the convex plate (37), and a spring leaf (38) is fixedly connected to the clamping groove. The corresponding sides of the two spring leaves (38) are fixedly connected to limit blocks (39), and the limit blocks (39) are fitted with adjacent limit grooves. The top of the convex plate (37) is fixedly connected to a push rod (4).

6. The dual variable fertilization device for cotton planting according to claim 5, characterized in that: A plurality of inclined plates (10) are fixedly connected to the bottom of the convex plate (37), and a roller (11) is installed near the bottom between each two adjacent inclined plates (10). A transverse plate (12) is installed at the bottom of the convex plate (37), and the front and rear sides of the transverse plate (12) are fixedly connected to the adjacent inclined plates (10). A motor (15) is installed at the bottom of the placement plate (1), and the power output shaft of the motor (15) is fixedly connected to two active groove wheels (13), and the two active groove wheels (13) are symmetrically arranged up and down.

7. The dual variable fertilization device for cotton planting according to claim 6, characterized in that: The bottom of the two convex plates (37) is provided with a driven sheave (14); the outer sides of the driving sheave (13) and the driven sheave (14) are jointly fitted with a belt (8); a transmission rod (9) is provided at the center of the driven sheave (14) and is fixedly connected thereto; the bottom end of the transmission rod (9) passes through the inner cavity of the transverse plate (12); the bottom end of the transmission rod (9) is fixedly connected to a central shaft (43); and the bottom end of the central shaft (43) is fixedly connected to a driving bevel gear (44).

8. The dual variable fertilization device for cotton planting according to claim 7, characterized in that: A hinged plate (42) is fixedly connected at the bottom center of the transverse plate (12); a driven bevel gear (45) is hingedly connected to the inner cavity of the hinged plate (42) near the bottom; the driven bevel gear (45) meshes with the driving bevel gear (44); a first crank (48) is hingedly connected to the side of the driven bevel gear (45) near the center of the placement plate (1); a first rotating shaft is passed through the inner cavity of the first crank (48) and is fixedly connected thereto; a second crank (49) is sleeved on the outer side of the first rotating shaft; a second rotating shaft is passed through the inner cavity of the second crank (49) near the top and is fixedly connected thereto; a swing plate (50) is sleeved on the outer side of the second rotating shaft; a mounting plate (47) is hingedly connected to the swing plate (50); the top of the mounting plate (47) is fixedly connected to the bottom of the transverse plate (12).

9. The dual variable fertilization device for cotton planting according to claim 8, characterized in that: A third rotating shaft is provided through the inner cavity of the second crank (49) on the side away from the swing plate (50) and is fixedly connected thereto; a movable shovel (46) is fixedly connected to the end of the third rotating shaft close to the placement plate (1); a material discharge box (6) is provided on the front side of the placement plate (1); a T-shaped tube (7) is fixedly connected to the bottom of the material discharge box (6).

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