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Mainly by the weighing platform, weighing sensor and connector, junction box, weighing display and other components. When the truck scale fails to work, it is mainly due to improper daily maintenance. So, let's talk about the relevant maintenance guidelines for each part of the truck scale:
Mechanical part:
The gap between the electronic platform (weighing platform) and the weighing platform shall not be blocked by foreign matter. If there is any foreign matter stuck, it must be cleaned and cleaned regularly. Keep the scale surface clear and clean (Construction instrument: once a year scale surface paint)
The connectors shall be maintained every six months. After the support head is cleaned, apply grease to the truck scale (floor pound). The welding platform shall be strictly prohibited on the scale platform or the scale platform shall be used as the ground wire. The limit gap of the sensor and the weighing platform shall be 2 to 3 mm, such as clearance. If it is not suitable, there must be no accumulation of water in the foundation pit. Because of the heavy rain, etc., the water in the foundation pit should be drained. The pump should be immediately used to remove or dredge the drainage channel. After the drying measures are taken, the meter can be powered on. Electronic platform scale (vehicle) Maximum vehicle speed Not more than 5km/h
The gross weight of vehicles and cargo on electronic floor scales should not exceed the allowable axle load and rated weighing instruments:
The appearance of the weighing indicator, printer, and computer should be kept clean and clean. Always check if the wiring is loose or broken. If the grounding wire is secure, keep the terminal box dry and clean. The desiccant in the box is periodically dried and replaced. If there is any water in the box, it can be dried with a hair dryer.
When the instrument is under gross weight and empty scale, if it is found that the zero cursor is off, the truck scale (weighbridge) shall be cleared before weighing. The utility model shall check the power supply weighbridge of the weighing indicator and other electrical appliances when the legal measurement management department checks the off duty regularly. There should be fire prevention and other fire safety measures in the company. Members must be certified to work after taking training. After starting up, you should check whether the instrument is normal and how stable it is. See if the character is flashing or skipping.
2. Regularly check weight with weights.
3. Weigh 3 points with the vehicle. Before, during and after the electronic truck scales are weighed with a vehicle and the difference between them is within the allowable range. If the out-of-tolerance measures each anchorage, see if each anchorage is consistent and whether it is within the allowable error, so that the weighing instrument can be discovered in time. If there is any problem, it must be repaired by professional and technical personnel.
To sum up, we use it in everyday use: 1 The scale platform should be kept clean, especially if the gap between the scale platform and the upper and lower ramps is easy to get into the debris, and the support point of the scale platform will change, resulting in inaccurate scale.
2. The limit device is a structural accessory with an automatic reset function. According to the requirements, the limit gap should be maintained at about 2~3mm. If the limit is stuck, it is easy to have an angle difference (inconsistent before and after weighing).
3, electronic scale body should have good drainage facilities, should avoid the junction box is soaked in water, to prevent the indication of the weighing instrument display drift phenomenon.
4. The resistance value of the internal bridge circuit of the electronic loadometer sensor is very small. If it is handled improperly, a very small current can cause damage to the sensor. Therefore, reliable lightning protection measures must be taken to prevent damage to the sensor due to lightning strikes. The load cell has a certain overload capacity, but during the weighing process, the scale body should be prevented from being overloaded. It should be noted that even a short-term overload may cause damage to the sensor.
Electronic scale uses many parts of the corresponding maintenance guide
The electronic platform scale is a new type of electronic scale, which has the characteristics of rapid weighing, high accuracy, intuitive display, and complete functions. It is applicable to the measurement of industries, commerce, construction, warehousing, cargo stations, and bazaars. It is a An ideal measuring instrument.