agrarheute is showing a completely new type of sprayer for the first time: the compact sprayer. It is the link between the mounted and trailed sprayer, combining the advantages of both variants.
Shortly before Christmas, a video on our agrarheute Facebook page caused a sensation. In the one-minute clip, a new type of syringe , the compact syringe , is presented. It is the link between the mounted and trailed sprayer , combining the advantages of both variants, as the previously unknown manufacturer promises.
With over 185,000 views, the video on the compact sprayer has quickly become the most popular technology video of the year on agrarheute’s Facebook page. The new concept was lively discussed in over 740 comments. In response to popular demand, we are exclusively showing some additional information about the machine on display and the reasons behind the development.
Handling of the compact syringe
According to the manufacturer, the specialty of the sprayer is the compact design and the connection between the tractor and sprayer. This means that the combination can be steered like a self-propelled vehicle and is very agile and easy to use in the field. Up to now, a tank volume of 4,000 liters was reserved for trailed sprayers, although these reach their limits in small-scale areas. The area of application of the compact sprayer is therefore seen where the step to the trailed sprayer has been avoided due to handling and where precise maneuvering is required.
Weight distribution of the compact syringe
As the manufacturer also reports, the compact sprayer can be driven with four-cylinder tractors from approx. 90 kW, which is usually not possible with large add-on sprayers with a front tank due to the permissible axle loads and the permissible total weight. The axle loads that are permitted in road traffic and tolerable in the field could thus be adhered to better.
In addition, the weight can be variably distributed between the tractor and the sprayer chassis by selecting the hydraulic pressure of the resilient upper link mount (principle of the traction booster).
Lower link connection of the compact sprayer
Machines that are driven in the lower links produced a rather uncomfortable, spongy driving experience compared to ball head connections. Outdated hoists, in particular, often have lateral play, which causes knocks on the side struts when changing direction. The bracing of the lower links means that even heavily worn hoists can be connected to the compact syringe without play.
Impacts and load peaks on the side struts would be avoided and the driving behavior would be safer, more pleasant and more precise. This new solution is only a simple alternative to hydraulic side struts on the tractor for the compact sprayer.
Steering and axle of the compact sprayer in the field and on the road
The steering is actively controlled in the field depending on the steering position of the towing vehicle forwards and backwards. Due to the large steering angle of 45 ° and the short wheelbase, the maneuverability of the pre-tensioned tractor can usually be fully exploited, the manufacturer says.
On the road, the wheels follow the towing vehicle with self-steering for safety reasons. Thanks to the mechanical centering of the stub axles, the wheels do not flutter even at high speeds.
Facts and figures of the compact syringe
Some important facts about the machine shown:
- Tank volume: 4,000 liters
- Boom folded back up to 30 meters
- Terrain adaptation via hydropneumatic chassis and sprung top link mount
- Variable weight distribution between tractor and sprayer
- Backlash-free connection between tractor and sprayer thanks to special lower link connection
- Axle steering up to 45 ° steering angle
- Pure follow-up steering without hydraulic pressure is possible in road transport
- Active steering forwards and backwards in the field similar to a three-axle self-propelled vehicle
Developer of the compact syringe: Still a secret
Whoever came up with the compact syringe should not be published for the time being. The video above was intended to get the feedback from farmers. Due to the emerging great interest and positive feedback, a partner from the field of crop protection technology is being sought for the patented concept. Inquiries about this will be forwarded by agrarheute. Email : pflanze-technik@agrarheute.com
