The invention of a rice harvesting machine helps farmers save costs.

KHANH HOA - The initiative by two young men in Cam Lam to use a rice harvesting system on a tractor helps free up labor, improve economic efficiency, and promote comprehensive mechanization.

Operational efficiency of the homemade grabber system.

During the recent harvest season, we had the opportunity to visit the rice fields in Tan Sinh Tay village, Cam Lam commune, Khanh Hoa province, and witnessed the mobile agricultural product loading and unloading system operating continuously with high efficiency. Amidst the hustle and bustle of the harvest season, the machine performed a series of operations—lifting, lowering, rotating, and placing sacks of rice onto the trailers behind it—accurately and neatly on the uneven, muddy rice paddies.

Two young men in Cam Lam invented a rice harvesting machine to help farmers reduce their workload. Photo: Engineer.

The appearance of this device has completely changed the traditional manual loading and unloading methods, which used to consume a lot of time and effort for the local people. Through practical research, it was found that this unique machine was co-invented and technically improved by Nguyen Huu Nhat (born in 1996), a graduate in land surveying, and his brother, Nguyen Huu Thong, a local mechanical engineer, based on the practical needs of their family.

The multi-purpose rice grabber is designed to be permanently installed onto the hydraulic lifting system at the rear of an existing 61-horsepower tractor, combined with a trailer towing behind it. In terms of operation, the system uses a rotating crane and a flexible mechanical grabber system controlled by hydraulic pressure.

During operation, workers in the field position the clamps to grip the sacks of rice. The crane system then lifts the sacks from the field, rotates them horizontally, and neatly stacks them in sturdy layers on the trailer. This operation requires seamless coordination between the tractor driver controlling the crane system and the worker closely monitoring the field, ensuring stable operation on all types of complex field terrain after harvesting.

The operation of the machine requires seamless coordination between the tractor driver controlling the rear crane lifting system and the person closely monitoring in the field. Photo: Engineer.

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Sharing their reasons for inventing the device, the young inventors explained that the biggest pressure on farmers today focuses primarily on the loading and transportation of agricultural products after harvest. On average, for each hectare of rice with high yields, farmers have to organize manpower to manually carry more than 130 sacks of rice. This work requires immense physical endurance as laborers must continuously stack heavy sacks of rice above head height under scorching hot weather conditions.

Meanwhile, the local seasonal labor force is becoming increasingly scarce and expensive, leading to frequent disruptions in the transportation of agricultural products from the fields to the drying yards. These concerns about the hardships faced by their families and neighbors motivated the two young men to research and develop this mechanization solution.

The introduction of a homemade grabber system combined with a trailer has proven highly effective, achieving a loading capacity of up to 400 sacks of rice per day. This machine has effectively replaced human labor, allowing farmers to have complete control over the timing of rice collection and transportation directly to the collection point. Freeing up manual labor reduces fatigue for farmers, shortens the time needed to clear the fields, ensures a quick and efficient rice procurement process, and minimizes the risk of losses due to unpredictable weather after harvesting.

Scalability

According to Mr. Tran Danh, Head of Tan Sinh Tay village, this unique rice-grabbing machine model is a groundbreaking innovation by Mr. Thong and Mr. Nhat. Mr. Nguyen Huu Thong has a solid foundation of knowledge, having graduated from university with a degree in mechanical engineering. Thanks to their in-depth professional experience, the two brothers independently researched, utilized readily available materials, and collected components from old vehicles to optimize manufacturing costs to the lowest possible level.

This machine effectively replaces human labor in loading and unloading goods. Photo: Engineer.

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The core of this initiative is designing a lifting mechanism that attaches directly to the family's existing tractor, while simultaneously synchronizing the lifting and lowering system using the tractor's original hydraulic lifting mechanism. Only the missing specialized technical equipment had to be purchased from the city for installation and completion.

Having witnessed the machine operating directly in the fields, Mr. Tran Danh assessed that the device is very effective, completely freeing up labor for farmers in the region. This initiative has immense practical significance, especially for older agricultural workers, as they no longer have to carry heavy sacks of rice manually as they did in previous years.

Given the clear economic and social benefits achieved, Village Head Tran Danh believes that this model has great potential for replication and should be widely implemented for households in the village as well as neighboring areas to improve the overall harvest efficiency of the region.

Source: https://nongnghiepmoitruong.vn/sang-che-dan-gap-lua-giup-nong-dan-tiet-kiem-chi-phi-d812984.html