Towable Center Pivot Irrigation System

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Product Overview

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Mobile Center Pivot Irrigation System is a variation of the center pivot irrigation system. It consists of a movable center tower, a span section (including a spray truss and tower), a cantilever, and a tail gun system (optional). The center tower can be moved and is available in three configurations: sliding track, three-wheel, and four-wheel, allowing it to be relocated for use in different fields. The span travel mechanism is equipped with a specialized gear reducer, and the tires can steer 90°. During irrigation, the tires are parallel to the drive pipe, while during towing, they are perpendicular to it. The span section of the mobile center pivot irrigation system can be configured according to the size of the irrigated land. Different sizes of spans can be combined with cantilever pipes to create machines of any desired length, controlling areas from 9.2 to 50 hectares, thus meeting the irrigation needs of various land sizes. The system can be configured with nozzles based on local climatic conditions and planting requirements, with irrigation intensities ranging from 4 mm to 50 mm.

Equipment dimensions
	Span dimensions	Main pipe specifications	Single span length	A	B	C	D	E
		Φ168mm	41.1m	3.91m	41.47m	2.95m	4.52m	41.15m
		Φ168mm	47.8m	3.91m	48.18m	3.02m	4.52m	47.88m
		Φ168mm	54.5m	3.91m	54.91m	2.90m	4.60m	54.53m
		Φ219mm	41.1m	3.91m	41.47m	2.92m	4.54m	41.15m
		Φ219mm	47.8m	3.91m	48.18m	3.00m	4.55m	47.88m
		Φ219mm	54.5m	3.91m	54.91m	2.90m	4.63m	54.53m
	Cantilever dimensions	Main specifications	Cantilever length	F	G	H	Note: 1. All values are for operations without water; 2. In operations with water, the above values may vary due to terrain and tire sinking.
		Φ141mm	6.7m	7.62m	5.33m	3.48m
		Φ141mm	13.4m	14.32m	5.33m	3.48m
		Φ141mm	20.1m	21.02m	6.70m	3.48m
		Φ141mm	26.8m	27.74m	6.70m	3.48m

Product Features

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1. Long Service Life: The main structure has a lifespan of over 20 years, providing long-term benefits from a single investment.

2. High Structural Strength: The materials used for the framework are robust (see technical parameters for specifics), with a reasonable design that ensures overall rigidity.

3. Corrosion Resistance: All steel components are treated with hot-dip galvanization, with a galvanization thickness of 0.08 mm.

4. Even Water Distribution: Equipped with standard NELSON R3000 spray heads, with options for additional heads based on planting requirements; water distribution uniformity exceeds 95%.

5. High Automation Level: The irrigation process requires no manual intervention; one person can control the irrigation for 15 machines.

6. High Intensification: The investment cost per unit area is low, and there is no need for land leveling; it can climb slopes of up to 25%.

7. Wide Applicability: Suitable for irrigating all crops grown outdoors, applicable to sandy, loamy, and clayey soils, and usable in both flat and hilly areas.

Technical Specifications

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Cross-body structure	1.Pipeline	Main pipe diameter: Ø219 (±2mm), Ø168 (±2mm), wall thickness: 3mm, length: 6.706m.
	2.Truss support	The central tower's angle steel measures 100x100x10mm; the tower frame's angle steel is 100x80x8mm, utilizing four double "V" shape supports. All truss angle steel is 5x5x4mm or above, and the tower leg cross braces are 75x75x6mm.

	3.Truss brace	All components use high-strength round steel of diameter 20mm or above, made from 45# steel, and are hot forged in a single process to avoid cracking.

	4.Fasteners	The key fastening bolts in the equipment are all high-strength alloy bolts of National Standard Grade 10.9, while the secondary fastening bolts are all high-strength bolts of National Standard Grade 8.8. All nuts are metal self-locking nuts.

	5.Cross connection	The connection between spans uses external A38 aluminum safety covers, which are internally equipped with rubber waterproof sleeves. This design is aesthetically pleasing and provides double protection.

Walking structure	1.Power requirements	380V, 50Hz (diesel generator or agricultural/industrial power supply)
	2.Cable	716 AWG + 412 AWG, aluminum sheath, UV resistant.
	3.Motor cable	4*14 AWG, aluminum sheath, UV resistant.
	4.Motor reducer	0.75HP，40：1//1.5HP，40：1
	5.Wheeled reducer	50:1
	6.Tire	14.9-24, low speed, for irrigation use.
	7.Spray head spacing	2.23m
Control system	Main control box	1.Displays operating status, performs real-time monitoring, and provides full-process fault alarms.
		2.Features automatic shutdown and reverse rotation functions, enabling sector irrigation (optional).
		3.Adjustable walking speed for the rear span of the sprinkler.
		4.The box has dual dustproof and waterproof features.
		5.A lightning protection device can be installed as needed.
		6.The system can be configured for linkage between the sprinkler and the water pump as needed.
		7.The cumulative timer displays the operating time of the sprinkler.
	Tower box	1.The three types of tower boxes together form the control system for the span. The time relay in the end tower box enables automatic power-off and shutdown functions, preventing accidents caused by tire slippage or obstacles affecting the rear or other spans.

		2.Omron safety switch (micro switch): lifespan of over five million operations.
		3.The isolation switch and contactor have a minimum heating current of 16 amps at a rated voltage of 600V.

Product Detail