Forklift weighing device and automatic forklift weighing method

A weighing device and automatic weighing technology, which is applied in the field of forklift weighing devices and forklift automatic weighing, can solve problems such as difficult to control the influence of cargo output signals, unguaranteed oil cylinder seals, and limited versatility, and achieve great promotion value. The effect of low cost, strong resistance to vibration and interference

Inactive Publication Date: 2015-06-24
XIAMEN UNIV OF TECH
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Problems solved by technology

[0003] For many years, there are two main types of domestic forklift weighing devices: one is to determine the weight of the loaded object by measuring the change of oil pressure in the oil cylinder when the forklift is lifted, such as Chinese patent: CN203411294U, the main disadvantage of this weighing method It is because the seal of the oil cylinder cannot guarantee absolutely no leakage. If the forklift has a little oil leakage during use, it will cause a large error, and the

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  • Forklift weighing device and automatic forklift weighing method
  • Forklift weighing device and automatic forklift weighing method
  • Forklift weighing device and automatic forklift weighing method

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Embodiment Construction

[0030] The present invention will be further described in conjunction with the accompanying drawings and specific embodiments.

[0031] Such as figure 1 As shown, a kind of forklift weighing device comprises double-fork hanging plate 100, forklift mast hanging plate 200 and two load cells 300 (resistance strain type pressure sensors in this embodiment), and the two load cells 300 is rigidly fixed by the fixed rod 400 and then fastened between the double-fork hanging plate 100 and the forklift mast hanging plate 200, one of the sensors is directly above the other sensor, and the base hanging plate of the sensor 300 has sufficient rigidity and is loaded The amount of deformation is negligible, and the front and rear hanging panels have sufficient pre-tightening connections, and are regarded as a rigid whole. At this time, the external force state of the load cell 300 is a three-time super-statically indeterminate problem. For the convenience of solving the problem, according to...

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Abstract

The invention discloses a forklift weighing device. The forklift weighing device comprises a double-fork hanging plate, a forklift portal hanging plate and two weighing sensors. The two weighing sensors are rigidly fixed through a fixing rod and then fastened between the double-fork hanging plate and the forklift portal hanging plate, and one sensor is located over the other sensor. The invention further discloses an automatic forklift weighing method based on the weighing device. The method includes the following steps that firstly, corresponding sensing signals of goods weight are acquired through the weighing device; secondly, the sensing signals are sampled and processed; thirdly, the processed sensing signals are converted into weight values; finally, correction and compensation are conducted on the weight values through fuzzy correction. Weighing errors are automatically corrected through fuzzy correction, the intelligent degree is high, control accuracy is high, the errors are small, compared with foreign similar devices, the cost of a system is low, and high promotional value is achieved.

Description

technical field [0001] The invention relates to the field of forklifts, in particular to a weighing device for a forklift and a method for automatically weighing a forklift. Background technique [0002] Forklift automatic weighing device is an important part of modern logistics. With the rapid development of logistics, higher requirements are put forward for the efficiency of logistics equipment. The basis for improving the efficiency of logistics equipment is that logistics equipment has the functions of information collection and transmission of goods. The development and application of the new forklift automatic weighing device can enable logistics equipment such as forklifts to have more extensive functions. First, it can cooperate with users to carry out more efficient information management of goods, such as accurate weight of goods in warehouses, loss of goods in the production process, information The second is to reduce equipment investment (such as weighbridge equ...

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Application Information

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IPC IPC(8): B66F9/075G01G19/52G01G19/18
CPCB66F9/075G01G19/18G01G19/52
Inventor 刘美俊
Owner XIAMEN UNIV OF TECH
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