Search

CN-117882548-B - Rice planting fertilizer injection unit with range regulatory function

CN117882548BCN 117882548 BCN117882548 BCN 117882548BCN-117882548-B

Abstract

The invention relates to the technical field of agricultural planting, in particular to a rice planting and fertilizing device with a range adjusting function, which comprises a storage box, a travelling mechanism, a stirring mechanism, a fertilizing structure and a linkage structure, wherein a storage bin is arranged in the storage box, the travelling mechanism can change the height of the storage box, the stirring mechanism comprises a main rotating shaft, stirring blades and a driving structure, the driving structure is used for driving the main rotating shaft to rotate, the fertilizing structure is provided with two fertilizing structures which are symmetrically arranged relative to the middle surface of the storage box, the fertilizing structure comprises an adjustable bracket, a pressurizing pipe and a conveying pipe, the state of the adjustable bracket can be vertically rotated downwards to be inclined upwards, the pressurizing pipe is used for increasing the pressure during fertilizer discharging, the conveying pipe is arranged on the adjustable bracket, the linkage structure drives the two adjustable brackets to synchronously and reversely move, and the adjustable bracket and the linkage structure are arranged, so that the rice under the fertilizing device is simultaneously fertilized in the rice fertilizing process around the fertilizing device.

Inventors

  • WANG FENG
  • CHEN JIANGHUA
  • YAO HONGYAN
  • JIN SHUQUAN
  • ZHU SHIJUN

Assignees

  • 宁波市农业科学研究院

Dates

Publication Date
20260512
Application Date
20240220

Claims (7)

  1. 1. The rice planting and fertilizing device with the range adjusting function is characterized by comprising a storage box (1), a travelling mechanism (2), a stirring mechanism (3), a fertilizing structure (4) and a linkage structure (5); a storage bin (11) is arranged in the storage box (1), and a feed inlet (12) is formed in the upper end of the storage box (1); the travelling mechanism (2) is arranged at the lower end of the storage box (1), and the travelling mechanism (2) can change the height of the storage box (1) so as to adapt to rice with different heights; The stirring mechanism (3) is used for stirring liquid and solid in the storage bin (11) to uniformly mix the liquid and the solid, the stirring mechanism (3) comprises a main rotating shaft (32), stirring blades (31) and a driving structure (33), the main rotating shaft (32) is arranged in the storage bin (11), two ends of the main rotating shaft (32) extend out of the storage bin (1), the stirring blades (31) are sleeved on the main rotating shaft (32), the driving structure (33) is arranged at the upper end of the storage bin (1), and the driving structure (33) is used for driving the main rotating shaft (32) to rotate; The two fertilizing structures (4) are symmetrically arranged relative to the middle surface of the storage box (1), the fertilizing structures (4) are arranged at the lower end of the storage box (1), the fertilizing structures (4) comprise adjustable supports (41), a pressurizing pipe (42) and a conveying pipe (43), one sides of the adjustable supports (41) are hinged with the storage box (1), the adjustable supports (41) can vertically rotate downwards to incline upwards, the pressurizing pipe (42) is connected with the lower end of the storage box (1), the pressurizing pipe (42) is used for increasing the pressure during fertilizer discharging, one end of the conveying pipe (43) is connected with the pressurizing pipe (42), the other end of the conveying pipe (43) is connected with a spray head, and the conveying pipe (43) is arranged on the adjustable supports (41); The linkage structure (5) is used for transmitting the power of the main rotating shaft (32) to the two adjustable brackets (41), and the linkage structure (5) drives the two adjustable brackets (41) to synchronously and reversely move; the linkage structure (5) comprises two driven gears (51), a double-sided rack (52), a first connecting block (53) and a second connecting block (54); the two driven gears (51) are respectively arranged at two sides of the double-sided rack (52), the double-sided rack (52) moves up and down in the vertical direction, and the driven gears (51) are in meshed transmission connection with the double-sided rack (52); One end of the first connecting block (53) is connected with the main rotating shaft (32); One end of the second connecting block (54) is in shaft connection with one end of the double-sided rack (52), and the other end of the second connecting block (54) is in shaft connection with the other end of the first connecting block (53); The adjustable bracket (41) comprises a first U-shaped bracket (411), an auxiliary rotating shaft (412), a cross beam (413) and two elastic connecting structures (414); The opening end of the first U-shaped frame (411) is away from the storage box (1), and the two ends of the first U-shaped frame (411) are provided with slots (4111); The auxiliary rotating shaft (412) is connected with the other end of the first U-shaped frame (411), and the two ends of the auxiliary rotating shaft (412) are in shaft connection with the storage box (1); the cross beam (413) is arranged at the opening end of the first U-shaped frame (411); The two elastic connection structures (414) are respectively arranged at two ends of the cross beam (413), the two elastic connection structures (414) are respectively arranged in the two slots (4111), one end of each elastic connection structure (414) is connected with the cross beam (413), and the other end of each elastic connection structure (414) is connected with the first U-shaped frame (411); the adjustable bracket (41) further comprises a range control structure (415), the range control structure (415) is arranged in the middle of the first U-shaped bracket (411), and the range control structure (415) comprises a threaded sleeve (4151), a threaded rod (4152) and a first limiting ring (4153); One end of the screw sleeve (4151) is connected with the first U-shaped frame (411), and the other end of the screw sleeve (4151) faces the cross beam (413); One end of a screw rod (4152) is arranged in the screw sleeve (4151), and the other end of the screw rod (4152) penetrates through the cross beam (413); The first limiting ring (4153) is connected with the other end of the screw rod (4152); the elastic connecting structure (414) comprises a first guide column (4141) and a first spring (4142), wherein the first guide column (4141) is inserted into the slot (4111), and the first spring (4142) is sleeved on the first guide column (4141).
  2. 2. The rice planting and fertilizing device with a range adjusting function as recited in claim 1, wherein the range control structure (415) further comprises a second limiting ring (4155), the second limiting ring (4155) is sleeved on the screw (4152), and the second limiting ring (4155) and the first limiting ring (4153) are respectively arranged on two sides of the cross beam (413).
  3. 3. The rice planting fertilizing apparatus with a range adjusting function as recited in claim 1, wherein the fertilizing structure (4) further comprises a nozzle extending structure (44), the nozzle extending structure (44) comprises a rectangular ring (441), an extension rod (442) and a locking structure (443); The rectangular ring sleeve (441) is fixedly arranged on the cross beam (413); the extension rod (442) is arranged in the rectangular annular sleeve (441) in a sliding manner, and one end of the conveying pipe (43) is arranged in the extension rod (442); The locking structure (443) is used to fix the relative positions of the extension rod (442) and the rectangular collar (441).
  4. 4. The rice planting and fertilizing device with the range adjusting function according to claim 3, wherein a plurality of notch grooves (4421) are formed in the wall surface of the extension rod (442), and the locking structure (443) comprises a U-shaped frame (4431), a clamping block (4432), a push plate (4433) and a second spring (4434); the opening of the U-shaped frame (4431) faces the rectangular annular sleeve (441), and the U-shaped frame (4431) is connected with the rectangular annular sleeve (441); The clamping block (4432) is arranged in the U-shaped frame (4431), and one end of the clamping block (4432) penetrates through the rectangular annular sleeve (441) to be matched with the notch groove (4421); One end of the push plate (4433) is connected with the clamping block (4432), and the other end of the push plate (4433) extends out of the cross beam (413); A second spring (4434) is disposed between the U-shaped frame (4431) and the push plate (4433), the second spring (4434) being configured to apply a force to the push plate (4433) toward the extension rod (442).
  5. 5. A rice planting fertilizing device with a range adjusting function as claimed in claim 3, characterized in that the fertilizing structure (4) further comprises a buffering anti-collision structure (45), the buffering anti-collision structure (45) being used for preventing the adjustable bracket (41) from colliding with the storage box (1).
  6. 6. The rice planting fertilizing device with a range adjusting function as recited in claim 1, wherein the linkage structure (5) further comprises a limiting structure (55), and the limiting structure (55) is used for limiting the movement direction of the double-sided rack (52).
  7. 7. The rice planting fertilizing apparatus with a range adjusting function as recited in claim 6, wherein said linkage structure (5) further comprises a supporting structure (56), said supporting structure (56) being configured to provide supporting force to said double-sided rack (52) from both sides of said double-sided rack (52).

Description

Rice planting fertilizer injection unit with range regulatory function Technical Field The invention relates to the technical field of agricultural planting, in particular to a rice planting and fertilizing device with a range adjusting function. Background Along with the development of the times, the rice is planted in an increasingly large scale, and in order to improve the yield of the rice, extra-root topdressing is needed during the growth period of the rice, namely trace element fertilizer, plant growth regulator and the like are sprayed on the leaf surfaces of the rice so as to promote the growth of the rice and improve the stress resistance. However, with large-area rice planting, the use of manual fertilization can increase the labor intensity and the cost, and thus a rice fertilization device is required. The high-efficiency fertilizer injection unit for paddy rice planting disclosed in China patent CN219305424U has the working principle that firstly, water and fertilizer nutrient solution with finished proportion are poured into a water tank through a feed inlet, a transmission rod is synchronously rotated by a rotating motor to drive a stirring blade to rotate, the fertilizer nutrient solution in the water tank is stirred, then an adjusting hand wheel is rotated to enable a first bidirectional screw rod to rotate, a moving block is enabled to be adjusted, a driving motor is started to enable a second bidirectional screw rod to rotate, a threaded shaft block is enabled to move, the threaded shaft block is matched with the double-end shaft block, an adjusting rod can be gradually lifted, the whole storage box of the device is lifted to be adjusted to be high, a suction pump is started to discharge the fertilizer nutrient solution in the water tank into a spray head through a conveying pipe to perform spraying work, an adjusting motor is started to drive the rotating rod to rotate when the spraying work is performed, the spraying distance of the spray head is changed, an expanding fan is started to enable the spraying range of the spray head to be wider, the spraying head can be enabled to be covered with the spraying head to be larger in a spraying process, the whole covering area is enabled to be further enlarged, and the fertilization efficiency can be greatly improved. In the scheme, the fertilizer sprayed by the two spray heads is sprayed towards the two sides of the water tank under the action of the expanding fan, the water tank has a certain width, the rice on the water tank walking path cannot be sprayed with the fertilizer in the water tank walking process, after the water tank is changed into a path, the fertilizer sprayed by the spray heads is also not necessarily sprayed onto the path where the water tank is arranged, so that the rice on the water tank walking path is hard to obtain, and the growth of partial rice is affected. Disclosure of Invention In order to solve the problems, the invention provides the rice planting and fertilizing device with the range adjusting function, and the adjustable bracket and the linkage structure are arranged, so that the rice under the fertilizing device is simultaneously fertilized in the process of fertilizing the rice around the fertilizing device. In order to solve the problems in the prior art, the invention provides a rice planting and fertilizing device with a range adjusting function, which comprises a storage box, a traveling mechanism, a stirring mechanism, a fertilizing structure and a linkage structure; the automatic fertilizer distributor comprises a storage bin, a running mechanism, a stirring mechanism, a pressurizing pipe and a driving structure, wherein the storage bin is arranged in the storage bin, a feeding hole is formed in the upper end of the storage bin, the running mechanism is arranged at the lower end of the storage bin, the running mechanism can change the height of the storage bin so as to adapt to rice with different heights, the stirring mechanism is used for stirring liquid and solid in the storage bin to uniformly mix the liquid and the solid, the stirring mechanism comprises a main rotating shaft, stirring blades and the driving structure, the main rotating shaft is arranged in the storage bin, both ends of the main rotating shaft extend out of the storage bin, the stirring blades are sleeved on the main rotating shaft, the driving structure is arranged at the upper end of the storage bin, the driving structure is used for driving the main rotating shaft to rotate, the fertilizing structure is provided with two fertilizing structures, the two fertilizing structures are symmetrically arranged relative to the middle surface of the storage bin, the fertilizing structure is arranged at the lower end of the storage bin, the fertilizing structure comprises an adjustable bracket, a pressurizing pipe and a conveying pipe, one side of the adjustable bracket is hinged with the storage bin, the state of the adjustable bracket c