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Author: Smartweigh–Multihead Weighter
In the field of construction machinery and equipment, the most common equipment is the mixing plant. In the concrete mixing plant, the use of multihead weigher is extremely common. The weighing system software of concrete batching plant consists of weighing bucket, multihead weigher, screw, anchor bolt, shaft pin and other components. Weighing of mechanical equipment plays an important role.
The weighing of the concrete batching plant is different from the ordinary electronic weighing. It is an extreme working state, which is harmed by the natural environment, temperature, environmental humidity, smoke, shock and vibration, natural environment and other factors. Therefore, how to ensure that the weighing equipment maintains high precision and high reliability in extreme working environments is crucial. In the above situation, the application of the sensor should fully consider the following problems.
1. The rated value of the weighing equipment = the weight of the silo itself = the net weight of the weighing (0.6-0.7) * the total number of sensors. Second, the weighing machine precision selection. The working principle of the multihead weigher used in the concrete batching plant is to convert the perceived net weight data signal into an electronic signal output.
The sensor's sense of the external natural environment is very fragile, so it must be very careful and cautious in installation, use, maintenance and maintenance, which affects the accuracy of weighing in the middle and late stages. 3. Load considerations. Weighing equipment damaged due to overloading.
Therefore, it is dangerous to carry out overvoltage protection on the weighing equipment. You have to consider two main parameters: allowable load and limit load. Fourth, the waterproof level of the multihead weigher.
The waterproof layer is generally represented by IP. The working voltage shall not exceed 72.5KV waterproof rating of the housing of household electrical appliances. Anti-pollution and short-term water immersion hazards.
Anti-pollution, uninterrupted water immersion hazards. All safety protection measures exclude small motor damage, rust and other external hazards. Inductor model selection guide introduction.
Commonly used tension sensor: S-type tension sensor, plate ring tension sensor. Common pressure-sensitive components include: cantilever beam, spoke type, column, accumulation chain, torsion ring, etc. Considering factors such as accuracy, measurement range, installation method, etc., most concrete batching plants choose fixed beam weighing.
A shell-type design is generally recommended. When designing the welding scheme, the welding force should be avoided as much as possible.
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