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Vehicle weighing

Dynamic Weighing – Vehicle Weighing

Vehicle weighing

Vehicle-mounted dynamic weighing system—continuous traffic flow, accuracy as precise as static weighing, the ultimate standard for weight-based tolling.

The whole-vehicle scale is a vehicle-mounted dynamic truck scale specifically designed for high-precision weighing and toll collection. It employs innovative... “First independent axle group + subsequent vehicle integration” The structural design, combined with the core algorithm of the Kalman filter, not only achieves ultra-high accuracy meeting the national standard Level 1 but also enables vehicles to continuously follow each other without needing to stop and wait.
The system features an extra-long weighing platform measuring 18 meters or 21 meters and a rated capacity of 100 tons or 150 tons, enabling it to weigh an entire vehicle in one go and completely eliminating cheating practices such as skipping the scale or rushing through the weighing process. With its high-strength U-shaped beam structure standing 350 mm tall and fully sealed sensors, this system can withstand the long-term wear and tear from heavy traffic flows, making it the most reliable measurement guardian for highways and critical logistics corridors.

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Category:

Monitoring and control

Weighing system

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Overview

Weigh the entire vehicle—settle it once and for all.

Unlike axle load scales, which “break down the whole into parts,” vehicle-scale systems allow the entire vehicle to remain fully stationary on the platform. This all-physical-measurement approach fundamentally eliminates the influence of vehicle motion and shifts in cargo center of gravity on weighing accuracy, providing undisputed, legally recognized measurement data.

Continuous vehicle passage, efficiency doubled.

Traditional vehicle weighing systems require “one vehicle per scale,” resulting in low efficiency. The ZDG series employs a unique logic separation technology that enables vehicles to continuously follow each other at speeds ranging from 1 to 20 km/h. As soon as the preceding vehicle leaves the scale, the following vehicle can immediately step onto the scale; the system automatically splits the weight data, boosting throughput efficiency by more than 30%.

Carrying capacity of 100 tons—solid as a rock.

Specifically designed for heavy-duty traffic. The main body is made of... 350mm The highly U-shaped beam features an all-steel structure, and its first-section independent axle assembly boasts a load-bearing capacity of up to 90 tons (triple-axle configuration). Even when subjected to a “100-ton king” with a 200% overload, the weighing platform maintains exceptional rigidity and resilience, ensuring a service life of over ten years.

Core features

Accuracy class: Dynamic Level 1 / Level 2
Weighing method: Vehicle-mounted (continuous dynamic)
Countertop length: 18m / 21m (optional)
Countertop width: 3m / 3.4m (ultra-wide custom)
Maximum axle load: 75t (triple-axle assembly)
Rated load: 100t / 150t
Maximum overload: 150% F.S. (Safe Overload)
Work environment: -40℃ ~ +80℃

Defining the “highest honor” for weight-based tolling

Whole-vehicle weighing application scenarios

The ZDG-100/150-DQ is the top choice for high-volume, high-standard toll stations. It not only addresses the challenge of accurately weighing long trailers and multi-axle vehicles, but also—thanks to its exceptionally high measurement reliability—significantly reduces driver complaints and reweighing rates caused by weighing errors, thereby enhancing the overall operational efficiency and credibility of toll stations.

Structural innovation, performance beyond its class.

Pioneering the “independent axle group + complete vehicle” structure

To balance “dynamic efficiency” and “static accuracy,” we adopted a segmented design. The first section is an independent mechanical unit specifically tasked with precisely measuring the weight and logic of the vehicle’s front end and the first axle group.

The subsequent weighing platform adopts a lap-joint structure, mechanically connected to the first section yet independently capable of performing force measurements. This design not only ensures the overall rigidity of the ultra-long weighing body but also enables the system to flexibly handle the continuous vehicle-loading logic in a “building-block” fashion—making it a key factor in achieving seamless traffic flow.

Kalman filter to eliminate vibration interference.

Even when driving at low speeds, vehicles can still experience engine vibrations and body shake.

The YINTAILI system has introduced aviation-grade Kalman Filter Algorithm. It can “purify” the true weight signal in real time from sensor data that contains noise. Whether the vehicle is accelerating, decelerating, or traveling at a constant speed, the algorithm ensures highly consistent weighing results, with dynamic errors strictly kept within 0.5%.

200% safety factor, resistant to deformation

Deformation of the weighing platform is the biggest factor compromising accuracy. We’ve constructed an ultra-rigid load-bearing platform by using custom U-beams with a height of 350 mm, paired with high-quality steel plates that are 14 mm thick.

The entire structure has undergone meticulous finite element mechanical analysis, and the designed load capacity incorporates a substantial margin of safety. Even occasional passage of overweight special vehicles on extra-wide lanes will not cause irreversible deformation of the weighing platform, thereby ensuring long-term operational stability.

Custom number axis device, with accurate identification.

Accurate axle count identification is a prerequisite for correct toll collection. This system employs a customized wheel-axle identifier.

Two **M24 high-strength bolts** securely fasten the sensor to the mounting base, significantly enhancing its resistance to impact. Coupled with the built-in lifting-eye bracket design, maintenance becomes even easier and more convenient. It can accurately detect each axle of the vehicle, providing a reliable basis for the system’s logical decision-making.

YINTAILI All-round Services

Custom non-standard sizes

We offer customized design and manufacturing of weighing platform structures for extra-wide lanes (3.4m+ ) or special length requirements.

Logistics and Transportation Support

Due to the large size of full-vehicle weighbridges, we offer professional logistics services for oversized cargo transportation as well as on-site lifting and installation guidance.

Full Lifecycle Maintenance

We provide one-stop butler services—from basic construction supervision and installation & commissioning to regular metrological verification and major overhauls.

Explore more potential applications

Precise Dynamic Weighing and Overweight Vehicle Detection & Guidance for Return

With the deepening implementation of the “National Unified Network” operation and the policy of “mandatory inspection for trucks and prohibition of overloaded vehicles,” highway toll plazas at entry points are facing unprecedented traffic pressures. Traditional static weighing systems are inefficient and prone to severe congestion; meanwhile, outdated dynamic weighing systems often prove inadequate when confronted with new cheating tactics such as skipping weigh stations, speeding through weighbridges, or driving in S-shaped patterns. Moreover, these systems struggle to accurately capture vehicle dimensions—length, width, and height—leading to oversight and misjudgments of overloaded vehicles. This not only results in lost toll revenue but also poses serious safety risks to highways.