Certified that the project work entitled “Arecanut Tree Climber and Pesticide Sprayer” Two nozzles are placed on either side at the top of the machine with. Arecanut trees attain a height of about feet. It is mandatory Considering all the casualties in conventional tree climbing we decided to make a robot that. In this context, this project work presents “Areca nut Harvesting Machine.” Here we are designing and fabricating areca nut tree is.

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Climbing Mechanism and Working 3. Length of Link Length of each link is taken as 58 cm, the calculations are shows below and line diagram to calculate length of the links is shown in figure 1. Only skilled labourers can carry out trde farming operations.

Power from the battery is supplied to the motors using flexible wires and DPDT Double Pole Double Throw switch is used to control the movement of climbing machine as well as spraying unit.

DC geared motors having reduction gears which ensures self-locking of the tyres and thus maintains the height.

There are much equipment machines in the market to help the farmers in this regard.

Areca Nut Tree Climber And Sprayer :: Create the Future Design Contest

It is mandatory to climb the trees a minimum of five times a year for a successful harvest – twice for the preventive spray against fungal disease, and thrice to harvest the arecanut.

As this involves real hard, physical exertion, younger generations of labourers are losing interest, with potentially harsh implications for arecanut cultivation. Then the pesticide is being sprayed.


The tension of the spring helps to retain the machine at the required height. For harvesting the nuts, and for spraying and applying insecticides on the crown, skilled labourers have to climb the tree manually.

The DC motor used to drive wheel is square geared DC motor.

Wheels In this machine three driving wheels are used. This is the most suitable machine for harvesting areca nuts without man climbing on the tree. A specially designed remote controlled spraying unit is mounted on the frame.

Tree Harvesting Device – Arecanut Tree Harvesting & Spraying Device Manufacturer from Ponda

This is a unique model which will be the machine-front of the areca nut industry and in turn will serve as a great help and boon to areca nut farmers.

An unskilled labour can also operate the machine safely and efficiently. The machine developed consists of a base frame with 3 nylon wheels driven by 3 high torque geared motor. Due to the friction between drive wheel and the bark of the tree machine rises up along the length of the tree. Selection of the Wheel Average Change in circumference of the tree is taken as 30cm to 50cm.

The contact friction between the wheel and tree is maintained with the help of tension springs and grippers on the wheels. The switch board is used to control the DC geared motors, windshield wiper pump, nozzle motors etc. In this study, considering all the above parameters, a safe, reliable and efficient climbing and spraying machine is designed climbinb fabricated.

They have to climb the trees using muscle power. Cutting of the areca nut bunch is also easy with a special type knife of this machine. Introduction Researchers all around the world work on developing climbing machines, most of these climbing machines are capable of climbing regular structures like poles, walls etc.


Now the motors for controlling the nozzle attachment is switched ON with the help of remote, then these motors start to rotate. The only component which is in contact with the tree is the wheels which are made up of nylon. Remote control circuit Figure 4. The pesticide is being transported from the tank to the nozzle with the help of plastic tubes.

The tension maintained by the spring must be good enough to maintain the gripping force between the wheel and the tree. In other case, machine used requires long fixing time to attach the machine to the tree and it has certain limitations. The scope of this project is limited to climb arecanut trees having circumference between 30 and 50 cm. In this tree climbing machine power is obtained from 12V battery through which drive motors are energized.

Areca Nut Tree Climber, Model No.: ATC

When the drive motor is switched on, the motor rotates the shaft which in turn rotates the wheels. The machine is having a triangular shape, hinges are provided on each links for the movement of links with the variation in size of the tree. This machine is simple and a person with little technical knowledge can easily assemble it in an ordinary workshop. Windshield washer pump is used for spraying the pesticide which is stored in the tank to the crop.

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