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Hydraulic transmission type fruit tree flower thinning machine based on machine vision and flower thinning method

A technology of machine vision and hydraulic transmission, which is applied in the field of agricultural machinery, can solve the problems that affect the enthusiasm of fruit growers to plant fruit trees, reduce the accuracy of flower thinning operation, and cannot match the flower thinning device, so as to achieve the goal of protecting enthusiasm, reducing the test process, and guaranteeing the scope Effect

Active Publication Date: 2014-09-10
QINGDAO AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing flower thinning equipment often has the following defects: (1) A large number of repeated field experiments are required to determine the optimal value of each operating parameter in the mechanical device, which reduces the economic benefits of the fruit grower, thus seriously affecting the fruit grower's ability to plant fruit trees. (2) The flower thinning device cannot be accurately matched with the target flowers, thus reducing the accuracy of the flower thinning operation to a certain extent

Method used

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  • Hydraulic transmission type fruit tree flower thinning machine based on machine vision and flower thinning method
  • Hydraulic transmission type fruit tree flower thinning machine based on machine vision and flower thinning method
  • Hydraulic transmission type fruit tree flower thinning machine based on machine vision and flower thinning method

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Embodiment 1

[0040] The hydraulic transmission type fruit tree flower thinning machine based on machine vision includes a central controller 14, a hydraulic device, an image acquisition device 12 and a flower thinning device. The central controller 14 is connected to the hydraulic device and the image acquisition device 12 respectively, and the The device drives the flower thinning device. The flower-thinning device includes a rotating shaft 7 and flower-thinning rubber strips 9 arranged on the rotating shaft 7, and the flower-thinning rubber strips 9 are staggeredly distributed on both sides of the rotating shaft 7, and the flower-thinning rubber strips 9 have an elastic modulus of 7.84 The rubber strip of MPa, the diameter of the flower thinning rubber strip 9 is 2-4mm, the length is 150-350mm, and the distance between the adjacent flower thinning rubber strips 9 is 10-30mm. The upper end of the rotating shaft 7 is fixedly connected with the supporting upper beam 6, and the lower end of ...

Embodiment 2

[0061] The difference between embodiment 2 and embodiment 1 is that in the hydraulic transmission type fruit tree flower thinning machine based on machine vision, the flower thinning glue strip 9 adopts a modulus of elasticity of 1.07×10 3 -2.83×10 3 MPa nylon strips, the diameter of the flower thinning glue strips 9 is 3-6mm, the length is 200-400mm, and the distance between the adjacent flower thinning glue strips 9 is 20-40mm.

[0062] In the fruit tree flower thinning method based on stochastic model virtual experiment and machine vision, through the numerical analysis of multi-body dynamics system in the virtual experiment, the optimal geometric characteristic parameter (diameter 3-5mm, length 250-350mm) of the nylon strip obtained and Strip spacing parameters (20-30mm).

Embodiment 3

[0064] The difference between embodiment 3 and embodiment 1 is that in the hydraulic transmission type fruit tree flower thinning machine based on machine vision, the flower thinning glue strip 9 adopts a modulus of elasticity of 1.3×10 3 -8.8×10 3 MPa plastic strips, the diameter of the flower thinning glue strips 9 is 5-8mm, the length is 300-450mm, and the distance between the adjacent flower thinning glue strips 9 is 40-70mm.

[0065] In the fruit tree flower thinning method based on stochastic model virtual experiment and machine vision, through the numerical analysis of multi-body dynamics system in the virtual experiment, the optimal geometric characteristic parameter (diameter 5-6mm, length 300-350mm) of the plastic strip obtained and Strip spacing parameters (40-50mm).

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Abstract

The invention discloses a hydraulic transmission type fruit tree flower thinning machine based on machine vision. The hydraulic transmission type fruit tree flower thinning machine based on the machine vision comprises a central controller, a hydraulic device, an image acquisition device and a flower thinning device, wherein the central controller is connected with the hydraulic device and the image acquisition device and drives the flower thinning device through the hydraulic device. The flower thinning device comprises a rotary shaft and flower thinning rubber strips arranged on the rotary shaft, wherein the upper end of the rotary shaft is fixedly connected with an upper support cross beam, the lower end of the rotary shaft is fixedly connected with a lower support cross beam, upright support columns are further arranged between the upper support cross beam and the lower support cross beam, and the flower thinning device is connected with a transverse moving guide rod through a fixed shaft. The invention further discloses a flower thinning method based on stochastic model virtual experiments and the machine vision. Through the hydraulic transmission type fruit tree flower thinning machine based on the machine vision and the flower thinning method, a large number of repeated filed trails for determining job parameters of the flower thinning device are avoided, unnecessary testing processes are reduced, and therefore economic efficiency of a fruit grower is improved, and the enthusiasm of the fruit grower for planting fruit trees is protected.

Description

technical field [0001] The invention belongs to the field of agricultural machinery, and in particular relates to a fruit tree flower thinning machine and a flower thinning method, in particular to a machine vision-based hydraulic transmission fruit tree flower thinning machine and a fruit tree flower thinning machine based on a random model virtual experiment and machine vision Method, the flower thinning machine and the flower thinning method are suitable for flower thinning operations of apple trees, peach trees, pear trees and other fruit trees. Background technique [0002] The purpose of fruit tree cultivation is to harvest fruits, and the shape, size and quality of fruits are important indicators to measure the quality of fruits. The flower thinning operation for fruit trees can adjust the relative balance of tree nutrients, which is conducive to improving the yield and quality of fruit. According to statistics, flower thinning can save at least 40% of the loss of fr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G3/08A01G7/06G06F17/50
CPCY02T10/82
Inventor 胡彩旗隋仁东
Owner QINGDAO AGRI UNIV
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