CN-121855917-B - Accurate detection test device of seeder seed metering ware

CN121855917BCN 121855917 BCN121855917 BCN 121855917BCN-121855917-B

Abstract

The invention relates to the technical field of agricultural machinery vibration tests, in particular to a precision detection test device for a seed metering device of a seeder, which comprises a base, wherein a conveying belt driven by an independent power source is arranged on the outer wall of the bottom of the base, a control unit is arranged on the outer wall of the base, and a vibration mechanism and an auxiliary mechanism are arranged on the base. According to the wind power generation device, the rotating speed of the adjusting motor is changed, the wind power can be adjusted and controlled, the fan and the vibrating mechanism can be switched independently, variable options are increased, the reliability of the device is further improved, in addition, the bogie is driven to rotate through the steering motor, the wind direction can be adjusted, meanwhile, the bogie drives the linkage sleeve to rotate through the mounting frame, the linkage sleeve drives the irregular ratchet wheel to rotate around the mounting shaft, the horizontal vibrating direction of the vibrating mechanism is adjusted, the complexity of field operation is further simulated, and the reliability of the detection result is improved.

Inventors

Peng Keyan
SHI WENQING
LIU GUANGYA
YAO YUAN
YANG JIUTAO
LV PENG
GUAN XIUMIN
ZHOU JILEI

Assignees

山东省农业技术推广中心(山东省农业农村发展研究中心)
山东省农业机械科学研究院

Dates

Publication Date: 20260512
Application Date: 20260317

Claims (4)

1. The utility model provides a precision detection test device of seeder seed metering ware, includes base (1), its characterized in that: A conveying belt (13) driven by an independent power source is arranged on the outer wall of the bottom of the base (1), a control unit (11) is arranged on the outer wall of the base (1), and a vibrating mechanism and an auxiliary mechanism are arranged on the base (1); The vibration mechanism comprises a horizontal floating frame (2) which is connected to the top of the base (1) in a sliding mode, a transmission mechanism is arranged on the horizontal floating frame (2), a vertical floating frame (3) is connected to the outer wall in a sliding mode, a seed metering device body (9) is arranged on the vertical floating frame (3), a plurality of industrial cameras (14) are arranged on the outer wall of the base (1), the auxiliary mechanism comprises a bogie (5), the bogie (5) is rotatably arranged at the bottom of the base (1), a driving mechanism is movably arranged at the top of the bogie (5) in a matching mode, a circular mounting groove (12) is formed in the top of the base (1), the horizontal floating frame (2) is connected to the inside of the mounting groove (12) in a sliding mode, and a plurality of equidistant circumferentially distributed springs (21) are arranged between the outer wall annular wall of the horizontal floating frame (2) and the inner annular wall of the mounting groove (12); The driving mechanism comprises a transmission shaft (61), an irregular ratchet wheel (41) and a first inclined block (43), wherein the transmission shaft (61) is rotatably connected to the outer wall of the bogie (5) and is coaxially distributed with the irregular ratchet wheel (41), a second inclined block (54) which is abutted to the first inclined block (43) is sleeved on the outer wall of the transmission shaft (61) in a sliding manner, and an adjusting motor (6) for driving the transmission shaft (61) is arranged on the outer wall of the bogie (5); The auxiliary mechanism comprises a mounting frame (53) which is slidingly connected to the outer wall of the bogie (5), a linkage sleeve (42) which is sleeved on the outer wall of the first inclined block (43) is rotationally connected to the outer wall of the irregular ratchet wheel (41), the mounting frame (53) is slidingly connected in the linkage sleeve (42), a second inclined block (54) is rotationally connected to the outer wall of the mounting frame (53), a fan cover (55) is arranged on one end outer wall of the bogie (5), an electric push rod (52) is arranged on the outer wall of the bogie (5), the output end of the electric push rod (52) is fixed to the outer wall of the mounting frame (53), a steering motor (51) for driving the bogie (5) to rotate is arranged on the outer wall of the bottom of the base (1), and a fan (62) positioned in the fan cover (55) is arranged on the main shaft of the adjusting motor (6). The transmission mechanism comprises a steering block (4) which is rotationally connected to the outer wall of the bottom of the horizontal floating frame (2), an irregular ratchet wheel (41) is rotationally connected to the outer wall of the steering block (4), a plurality of pulleys (32) which are abutted to the irregular ratchet wheel (41) are arranged on the outer wall of the bottom of the vertical floating frame (3), a first oblique block (43) is fixed to the outer wall of the irregular ratchet wheel (41), an installation shaft (23) is fixedly installed at the bottom of the horizontal floating frame (2), and the steering block (4) is rotationally sleeved on the outer wall of the installation shaft (23), and the pulleys (32) are circumferentially distributed around the installation shaft (23) at equal intervals.
2. The precision detection test device for the seed metering device of the seeder, as set forth in claim 1, is characterized in that a wind shield (551) is rotatably connected to the outer wall of one side of the fan housing (55) close to the seed metering device body (9), and a plurality of through holes (552) are formed in the outer walls of the fan housing (55) and the wind shield (551).
3. The precision detection test device for the seed metering device of the seeder, as set forth in claim 1, is characterized in that a main shaft of the adjusting motor (6) is fixedly connected with the transmission shaft (61), a limit groove (611) is axially formed in the outer wall of the transmission shaft (61), and a limit block (541) which is slidably inserted into the limit groove (611) is arranged on the outer wall of the second inclined block (54).
4. The precision detection test device for the seed metering device of the seeder, as set forth in claim 1, is characterized in that a vibrating motor (22) is installed on the outer wall of the horizontal floating frame (2), a vibrating sensor (31) is installed on the outer wall of the vertical floating frame (3), a grooved wheel is installed in the inner rotation of the seed metering device body (9), a seeding motor (91) for driving the grooved wheel to rotate is installed on the outer wall, an industrial camera (14), the vibrating motor (22), the vibrating sensor (31), a steering motor (51), an electric push rod (52), a regulating motor (6) and the seeding motor (91) are electrically connected with the control unit (11), and a plurality of industrial cameras (14) are respectively located above the conveying belt (13) and on the side surface of the seed metering device body (9).

Description

Accurate detection test device of seeder seed metering ware Technical Field The invention relates to the technical field of vibration tests of agricultural machinery, in particular to a precision detection test device for a seed metering device of a seeder. Background The seed metering device is a core working part of the seed sowing machine, has the core effects that seeds in the seed storage box are accurately separated and conveyed into seed ditches according to the quantity, the spacing and the depth required by the agriculture, is a key device for determining sowing uniformity, plant spacing consistency and emergence rate, is widely applied to mechanized sowing of crops such as grains, vegetables and oil, is widely used for mechanical sowing, is influenced by factors such as air suction, spoonful wheels, nest type, centrifugal type and the like, is jolted on the ground, runs by an engine of the agricultural machine, shakes of a transmission mechanism and the like, can vibrate along with the running of the seed sowing machine in the field when the seed metering device works, can directly influence the seed metering precision of the seed metering device, and therefore, the actual vibration working condition of the field needs to be simulated through a vibration test, and the structure and the performance of the seed metering device are verified and optimized; In the prior art, the working condition is single in simulation and is actually disjointed with the field, most test devices can only realize single-dimensional vibration simulation with fixed frequency and amplitude, the composite vibration environment during field operation cannot be reproduced, and dynamic vibration scenes with different operation speeds are difficult to accurately simulate, so that deviation exists between test results and field practical application, and the guiding value for the optimization of a seed sowing device is limited. Disclosure of Invention The invention aims to solve the defects in the prior art, and provides a precision detection test device for a seed metering device of a seeder, which can regulate and control the wind power by changing the rotating speed of an adjusting motor through an auxiliary mechanism, can independently switch between a fan and a vibration mechanism, increases variable options, the reliability of this device result has further been improved, in addition, through steering motor drive bogie rotation, realize that the wind direction is adjustable, simultaneously, the bogie passes through the mounting bracket and drives the linkage cover and rotate for the linkage cover drives irregular ratchet and rotates around the installation axle, with this horizontal vibration direction who adjusts vibration mechanism, has further simulated the complexity of field operation, improves the reliability of testing result. In order to achieve the purpose, the technical scheme is that the precision detection test device for the seeder seed metering device comprises a base, wherein a conveying belt driven by an independent power source is arranged on the outer wall of the bottom of the base, a control unit is arranged on the outer wall of the base, a vibrating mechanism and an auxiliary mechanism are arranged on the base, the vibrating mechanism comprises a horizontal floating frame which is slidably inserted at the top of the base, a transmission mechanism is arranged on the horizontal floating frame, a vertical floating frame is slidably inserted on the outer wall of the horizontal floating frame, a seed metering device body is arranged on the vertical floating frame, a plurality of industrial cameras are arranged on the outer wall of the base, the auxiliary mechanism comprises a bogie, the bogie is rotatably arranged at the bottom of the base, and a driving mechanism is movably arranged at the top of the bogie in cooperation with the transmission mechanism. Preferably, the driving mechanism comprises a transmission shaft, an irregular ratchet wheel and a first inclined block, wherein the transmission shaft is rotatably connected to the outer wall of the bogie and is coaxially distributed with the irregular ratchet wheel, a second inclined block which is in butt joint with the first inclined block is sleeved on the outer wall of the transmission shaft in a sliding way, and an adjusting motor for driving the transmission shaft is arranged on the outer wall of the bogie. Preferably, the auxiliary mechanism comprises a mounting frame which is connected to the outer wall of the bogie in a sliding manner, a linkage sleeve which is sleeved on the outer wall of the first inclined block is rotationally connected to the outer wall of the irregular ratchet wheel, the mounting frame is connected in the linkage sleeve in a sliding manner, the second inclined block is rotationally connected to the outer wall of the mounting frame, a fan cover is arranged on the outer wall of one end of the bogie, an electric push rod is arr