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A kind of crop ultrasonic derooting knife and system

An ultrasonic and crop technology, applied in the field of crop ultrasonic root cutting knife and system, can solve the problems of crop growth influence, root damage and crop yield reduction, etc., to improve soil moisture and fertility, reduce damage and flow, and maintain soil moisture and fertility. Effect

Inactive Publication Date: 2021-04-20
CHINA INST OF WATER RESOURCES & HYDROPOWER RES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, this method will cause "injury" at the root-cutting site. The liquid flowing out from the root-cutting site is rich in nutrients needed for crop growth. If the loss is too much, it will cause weak growth. Partial necrosis causes crop yield reduction or even withering

Method used

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  • A kind of crop ultrasonic derooting knife and system
  • A kind of crop ultrasonic derooting knife and system
  • A kind of crop ultrasonic derooting knife and system

Examples

Experimental program
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Effect test

Embodiment 1

[0029] The present embodiment is a kind of crop ultrasonic root cutting knife, as figure 1 shown. The present embodiment comprises: root-cutting knife 1 and knife rest 2 for installing the root-cutting knife, ultrasonic transducer 3 is installed on the described knife rest, described knife rest is flexibly connected with vehicle frame 5 of tractor through flexible connector 4, The ultrasonic transducer is connected with the ultrasonic power supply 6 installed on the tractor.

[0030] This embodiment mainly uses ultrasonic waves as the power source to carry out root removal of crops. More importantly, the rapid vibration generated by ultrasonic waves produces frictional heat effect, which instantly heats and condenses the cut-off position of the root system of the crops, preventing the root system of the crops from growing. Loss of nutrients, so as to avoid "damage" at the root cutting site, reduce or even eliminate the impact of crop growth after root cutting, and effectively...

Embodiment 2

[0037] This embodiment is an improvement of the first embodiment, and is a refinement of the first embodiment about the root cutter. The root-cutting knife described in the present embodiment is sickle-shaped, as figure 2 , 3 shown.

[0038] figure 2 The sickle-shaped root-cutting knife is inserted directly into the ground and is dragged by a tractor for root-cutting operations, similar to a hand-held sickle with a very wide blade. Ultrasonic heating mainly depends on the vibration and friction between the ultrasonic vibration knife surface and the fracture of the cut root system to generate heat. The wide and thick blade prolongs the contact time with the broken root. During the specific work, first insert the root-cutting knife into the specified position at the specified depth, and then use the tractor to drag the root-cutting knife to move along the direction of the plant. The ultrasonically vibrating blade first cuts off the root system, and the fracture of the root...

Embodiment 3

[0041] This embodiment is an improvement of the above-mentioned embodiment, and is a refinement of the above-mentioned embodiment about the root-cutting knife. The root cutting knife described in the present embodiment is disc-shaped, as Figure 4 shown.

[0042] The root-cutting knife described in the present embodiment is disc-shaped, and the edge of the disc can be smooth, and knife teeth can also be set. When the ultrasonic wave completes root removal and heating and coagulation at the same time, the edge of the disc-shaped root removal knife does not need to be equipped with teeth, but only needs to be provided with a front edge, and for safety, the front edge can also be not very sharp. Smoothly cut off the root system of the crop. However, for some crops with relatively thick and tough root systems, a disc-shaped root cutting knife with cutter teeth can be used to rotate the cutter head through mechanical transmission to cut off the root system of the crops.

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Abstract

The invention relates to an ultrasonic root-cutting knife for crops and a system, comprising: a root-cutting knife and a knife holder for installing the root-cutting knife, at least one ultrasonic transducer is installed on the knife-rest, and the knife-rest is connected to the vehicle of the tractor through a flexible connection The frame is flexibly connected, and the ultrasonic transducer is connected with the ultrasonic power supply installed on the tractor. The present invention adopts the ultrasonic root cutting knife, utilizes the function of ultrasonic vibration cutting and heating and coagulation, prevents the root system of the crops from being cut off and then flows out of the nutrient liquid from the cutting knife, minimizes the damage to the flow, and makes the crops after the root cutting quickly return to the original growth state, avoiding The necrosis of the cut root causes crop yield reduction or even withering. The root-cutting system controls the position, depth and angle of root-cutting by using the cutting position control mechanism, cutting depth control mechanism, and cutting angle control mechanism, effectively grasps the root-cutting position and strength, and improves the water resources in the process of crop growth. The utilization rate improves and maintains the soil moisture and fertility of the farmland.

Description

technical field [0001] The invention relates to an ultrasonic root-cutting knife and system for crops, which is a water-saving and environment-friendly farmland management measure, and a device and system for improving crop yield and water use efficiency. Background technique [0002] In the world, the shortage of water resources has attracted people's attention day by day, and the efficient use of agricultural water resources has become the main problem of world agricultural research. Therefore, the goal of modern agricultural research is no longer satisfied with high yield, but should also focus on saving resources and improving water resource utilization efficiency. The environmental resource with the strongest competition among plant individuals is soil water, and the root system is the most important organ for water competition. Root growth and development are closely related to crop yield. Reasonable regulation of root growth can promote the coordinated development of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G3/08A01G7/06
CPCA01G3/08A01G7/06
Inventor 王英严登华龚家国王利娜郝彩莲
Owner CHINA INST OF WATER RESOURCES & HYDROPOWER RES
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