Weighting device and calibrating method of large weighting apparatus
A technology for weighing devices and weighing instruments, which is applied in the direction of weighing equipment testing/calibration, measuring devices, detailed information of weighing equipment, etc., and can solve problems such as difficulty in calibrating the accuracy of truck scales, long calibration time, and heavy workload , to achieve the effect of wide practicability, fast calibration and low cost
Active Publication Date: 2011-01-19
SAIMO ELECTRIC
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Problems solved by technology
Since the installation site often does not have the required number of weights, it is difficult to accurately calibrate the accuracy of the truck scale. If the number of calibration weights is met, it is necessary to configure lifting and transportation equipment, which will bring the on-site handling and hoisting of weights. Heavy workload, high cost and long calibration time
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Embodiment Construction
[0024] An embodiment of the present invention will be further described below in conjunction with accompanying drawing:
[0025] The large-scale weighing device of the present invention mainly includes a fully suspended scale body 6 and a load cell 1 supported below the scale body 6. The scale body 6 can have 1 to 4 sets of tabletops as required, and each set of tabletops is equipped with 4 scales. Load cell, 6 load cells for 2 sets of table tops, 8 load cells for 3 sets of table tops, 10 load cells for 4 sets of table tops, load cell 1 and scale body 6 are horizontally and firmly connected, load cell 1 can Choose analog load cell or digital load cell. figure 1 There are 4 load cells shown in , each load cell 1 is connected with a force vertical adjustment mechanism 2 to ensure that the load cell 1 bears the vertical force after the scale body is stressed, and the force vertical adjustment mechanism 2 includes symmetrically arranged scales. The connection block 7 of the heavy...
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The invention relates to a weighting device and a calibrating method of a large weighting apparatus. The weighting device comprises a weighting sensor, a force vertical adjusting mechanism, a bearing force adjusting mechanism and a weighting apparatus. The large weighting apparatus is initially calibrated in a factory before leaving the factory, a method of keeping initial calibration data and installation conditions of the large weighting apparatus in the factory when leaving the factory and restoring in an installation site as well as carrying out site compensation adjustment calibration by using the data obtained from the initial calibration in the factor is adopted to ensure that the weighting apparatus achieves the requirement for metering accuracy, and can be used for rapidly, accurately and conveniently completing the site calibration and the weighting of the large weighting apparatus, with low cost. The site installation calibration can be completed without a plurality of weights in the installation site, thus a plenty of labor power and material resources are saved. The method has the advantages of simple operation, rapid calibration, low cost and good effect.
Description
Technical field: [0001] The invention relates to a weighing device and a calibration method thereof, in particular to a weighing device of a large scale suitable for transport vehicles and a calibration method thereof. Background technique: [0002] At present, the range of large scales ranges from 50 tons to 200 tons. For the calibration of large scales such as truck scales, the products are usually calibrated with the weights of the largest range of truck scales before leaving the factory, and the load cells, scales and related components are inspected. It satisfies the requirements of the measurement accuracy of the whole truck scale. After the truck scale is transported to the installation site, it needs to be calibrated with half the weight of the truck scale. Since the installation site often does not have the required number of weights, it is difficult to accurately calibrate the accuracy of the truck scale. If the number of calibration weights is met, it is necessar...
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IPC IPC(8): G01G19/02G01G23/01G01G21/08
Inventor 厉达刘志良胡振周脉松张开生张德强
Owner SAIMO ELECTRIC