Product Description

Product Description

Dimension 2515*1650*788mm (Unfoldable)
1040*1571*788mm (Foldable)
Effective spray (depending on the crop) 6~8m
Whole machine weight (including battery) 40.6kg
Maximum effective takeoff weight (near sea level) 77.8kg
Battery 30000mAh, 51.8V
Payload 30L/45KG
Hovering time >20min (No load)
>8min (Full load)
Maximum flight speed 8m/s(GPS mode)
Working height 1.5~3m
Positioning accuracy (good GNSS signal, RTK enabled) Horizontal ± 10cm
Vertical ± 10cm
Avoidance perception range 1~40m (Avoidance front and rear according to the flight direction)

HTU T30 intelligent drone supports 30L large medicine box and 45L sowing box, which is especially suitable for large plot operation and medium plot and spraying and sowing areas with demand. Customers can choose the most suitable configuration according to their actual needs, no matter they use it for themselves or undertake plant protection and flying defense business.
1. All-aviation aluminum main frame, light weight, high strength, impact resistance.
2. Module-level IP67 protection, no fear of water, dust. Corrosion resistance.
3. It can be applied to multi-scene crop drug spraying, sowing and spreading fertilizer.
4. Easy to fold, can be installed in common agricultural vehicles, easy to transfer.
5. Modular design, most parts can be replaced by themselves.

Modular Design
·Full aviation aluminum main frame, reduce weight while high strength, impact resistance.
·Core components closed treatment, avoid dust entry, resistant to liquid fertilizer corrosion.
·High toughness, foldable, triple filter screen

Spraying and Spreading System
Equipped with 30L oversized medicine box
·The operating efficiency is increased to 15 hectares/hour.
·Equipped with no manual pressure relief valve, automatic exhaust, equipped with pressure nozzle, liquid medicine does not drift, can support centrifugal nozzle, powder does not block.
·The full-range continuous level gauge shows the true liquid level.

Medicine box capacity 30L
Nozzle type High pressure Fan nozzle Support switching centrifugal nozzle
Number of nozzles 12
Maximum flow rate 8.1L/min
Spray width 6~8m

Equipped with 45L bucket, large load
· Up to 7m sowing width, the Air Spray is more uniform, does not hurt the seeds, does not hurt the machine.
·Full anti-corrosion, washable, no blockage.
·Measuring material weight, real time, anti-overweight.

Material box capacity 45L
Feeding method Roller quantification
Bulk material method High pressure air
Feeding speed 50L/min
Sowing width 5~7m

Multiple Functions
·Provides multiple modes of operation, including fully autonomous, AB points, and manual operations.
·A variety of enclosure methods: RTK hand-held pointing, airplane dot, Map dot.
·High-bright screen remote control, you can see clearly under the scorching sun, 6-8 hours long battery life.
·Fully automatic generation of sweeping routes to prevent leakage.
·Equipped with searchlights and help lights, it can also operate safely at night.
·Night navigation: Front and rear 720P HIGH definition FPV, rear FPV can be flipped down to view the ground.

Intelligent auxiliary function

·Ultra-far 40m automatic identification of obstacles, autonomous obstacles.
·Five-wave beams imitate the ground, accurately follow the terrain.
·Front and rear 720P HD FPV, rear FPV can be turned down to observe the ground.

Intelligent Charging

·Can be 1000 cycles, the fastest 8 minutes full, 2 blocks can be looped.

Standard configuration
Drone*1  Remote control*1  Charger*1  Battery*2  Dotter*1

Company Profile


1.What is the best price for your product?
We will quote based on the quantity of your order, the higher the quantity the higher the discount.

2.What is the minimum order quantity?
Our minimum order quantity is 1 unit, but of course there is no limit to the number of units we can purchase.

3.How long is the delivery time of the products?
According to the production order dispatch situation, generally 7-20 days.

4.What is your payment method?
Wire transfer, 50% deposit before production, 50% balance before delivery.

5.What is your warranty time? What is the warranty?
General UAV frame and software warranty of 1 year, the warranty of wearing parts for 3 months.

How to Choose the Right Worm Shaft

You might be curious to know how to choose the right Worm Shaft. In this article, you will learn about worm modules with the same pitch diameter, Double-thread worm gears, and Self-locking worm drive. Once you have chosen the proper Worm Shaft, you will find it easier to use the equipment in your home. There are many advantages to selecting the right Worm Shaft. Read on to learn more.
worm shaft

Concave shape

The concave shape of a worm’s shaft is an important characteristic for the design of a worm gearing. Worm gearings can be found in a wide range of shapes, and the basic profile parameters are available in professional and firm literature. These parameters are used in geometry calculations, and a selection of the right worm gearing for a particular application can be based on these requirements.
The thread profile of a worm is defined by the tangent to the axis of its main cylinder. The teeth are shaped in a straight line with a slightly concave shape along the sides. It resembles a helical gear, and the profile of the worm itself is straight. This type of gearing is often used when the number of teeth is greater than a certain limit.
The geometry of a worm gear depends on the type and manufacturer. In the earliest days, worms were made similar to simple screw threads, and could be chased on a lathe. During this time, the worm was often made with straight-sided tools to produce threads in the acme plane. Later, grinding techniques improved the thread finish and reduced distortions resulting from hardening.
When a worm gearing has multiple teeth, the pitch angle is a key parameter. A greater pitch angle increases efficiency. If you want to increase the pitch angle without increasing the number of teeth, you can replace a worm pair with a different number of thread starts. The helix angle must increase while the center distance remains constant. A higher pitch angle, however, is almost never used for power transmissions.
The minimum number of gear teeth depends on the angle of pressure at zero gearing correction. The diameter of the worm is d1, and is based on a known module value, mx or mn. Generally, larger values of m are assigned to larger modules. And a smaller number of teeth is called a low pitch angle. In case of a low pitch angle, spiral gearing is used. The pitch angle of the worm gear is smaller than 10 degrees.
worm shaft

Multiple-thread worms

Multi-thread worms can be divided into sets of one, two, or 4 threads. The ratio is determined by the number of threads on each set and the number of teeth on the apparatus. The most common worm thread counts are 1,2,4, and 6. To find out how many threads you have, count the start and end of each thread and divide by two. Using this method, you will get the correct thread count every time.
The tangent plane of a worm’s pitch profile changes as the worm moves lengthwise along the thread. The lead angle is greatest at the throat, and decreases on both sides. The curvature radius r” varies proportionally with the worm’s radius, or pitch angle at the considered point. Hence, the worm leads angle, r, is increased with decreased inclination and decreases with increasing inclination.
Multi-thread worms are characterized by a constant leverage between the gear surface and the worm threads. The ratio of worm-tooth surfaces to the worm’s length varies, which enables the wormgear to be adjusted in the same direction. To optimize the gear contact between the worm and gear, the tangent relationship between the 2 surfaces is optimal.
The efficiency of worm gear drives is largely dependent on the helix angle of the worm. Multiple thread worms can improve the efficiency of the worm gear drive by as much as 25 to 50% compared to single-thread worms. Worm gears are made of bronze, which reduces friction and heat on the worm’s teeth. A specialized machine can cut the worm gears for maximum efficiency.

Double-thread worm gears

In many different applications, worm gears are used to drive a worm wheel. These gears are unique in that the worm cannot be reversed by the power applied to the worm wheel. Because of their self-locking properties, they can be used to prevent reversing motion, although this is not a dependable function. Applications for worm gears include hoisting equipment, elevators, chain blocks, fishing reels, and automotive power steering. Because of their compact size, these gears are often used in applications with limited space.
Worm sets typically exhibit more wear than other types of gears, and this means that they require more limited contact patterns in new parts. Worm wheel teeth are concave, making it difficult to measure tooth thickness with pins, balls, and gear tooth calipers. To measure tooth thickness, however, you can measure backlash, a measurement of the spacing between teeth in a gear. Backlash can vary from 1 worm gear to another, so it is important to check the backlash at several points. If the backlash is different in 2 places, this indicates that the teeth may have different spacing.
Single-thread worm gears provide high speed reduction but lower efficiency. A multi-thread worm gear can provide high efficiency and high speed, but this comes with a trade-off in terms of horsepower. However, there are many other applications for worm gears. In addition to heavy-duty applications, they are often used in light-duty gearboxes for a variety of functions. When used in conjunction with double-thread worms, they allow for a substantial speed reduction in 1 step.
Stainless-steel worm gears can be used in damp environments. The worm gear is not susceptible to rust and is ideal for wet and damp environments. The worm wheel’s smooth surfaces make cleaning them easy. However, they do require lubricants. The most common lubricant for worm gears is mineral oil. This lubricant is designed to protect the worm drive.
worm shaft

Self-locking worm drive

A self-locking worm drive prevents the platform from moving backward when the motor stops. A dynamic self-locking worm drive is also possible but does not include a holding brake. This type of self-locking worm drive is not susceptible to vibrations, but may rattle if released. In addition, it may require an additional brake to keep the platform from moving. A positive brake may be necessary for safety.
A self-locking worm drive does not allow for the interchangeability of the driven and driving gears. This is unlike spur gear trains that allow both to interchange positions. In a self-locking worm drive, the driving gear is always engaged and the driven gear remains stationary. The drive mechanism locks automatically when the worm is operated in the wrong manner. Several sources of information on self-locking worm gears include the Machinery’s Handbook.
A self-locking worm drive is not difficult to build and has a great mechanical advantage. In fact, the output of a self-locking worm drive cannot be backdriven by the input shaft. DIYers can build a self-locking worm drive by modifying threaded rods and off-the-shelf gears. However, it is easier to make a ratchet and pawl mechanism, and is significantly less expensive. However, it is important to understand that you can only drive 1 worm at a time.
Another advantage of a self-locking worm drive is the fact that it is not possible to interchange the input and output shafts. This is a major benefit of using such a mechanism, as you can achieve high gear reduction without increasing the size of the gear box. If you’re thinking about buying a self-locking worm gear for a specific application, consider the following tips to make the right choice.
An enveloping worm gear set is best for applications requiring high accuracy and efficiency, and minimum backlash. Its teeth are shaped differently, and the worm’s threads are modified to increase surface contact. They are more expensive to manufacture than their single-start counterparts, but this type is best for applications where accuracy is crucial. The worm drive is also a great option for heavy trucks because of their large size and high-torque capacity.

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