On-board automatic weighing system
A technology of automatic weighing and controller, applied in the field of transportation, can solve problems such as not taking into account
Inactive Publication Date: 2014-07-09
QINHUANGDAO TIANYE TOLIAN HEAVY INDUSTRY CO LTD
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Problems solved by technology
The mature weighing system at home and abroad does not take into account the vehicle tilt factor, so the accuracy needs to be improved. The accuracy of the mature system at home and abroad is about 4% to 5%. Therefore, it is especially important to study a more accurate vehicle-mounted automatic weighing system for mining dump trucks. important and significant
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[0021] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0022] An embodiment of the present invention provides a vehicle-mounted automatic weighing system, which can be applied to mining dump trucks, mainly to allow mining dump trucks to automatically calculate the loading weight and display the load value in real time, avoiding the need to turn the truck when measuring the load. Drive to the electroni...
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The invention discloses an on-board automatic weighing system. The on-board automatic weighing system is characterized in that the system comprises a controller, a combination instrument, a dual-axis tilt sensor, an expansion module and four oil pressure sensors; the dual-axis tilt sensor is used for measuring inclination angles in front and rear, right and left directions of a vehicle car, i.e. inclination angles of an X-axis and a Y-axis of the vehicle; the controller is used for calculating pressure values of two front suspension cylinders and two rear suspension cylinders according to current values of the four oil pressure sensors, and calculating a load weight W through the following formula as shown in the description, where F is the sum of the pressure values of two front suspension cylinders and the two rear suspension cylinders; the inclination angles of the X-axis and the Y-axis are respectively shown in the description; and f is the damping force of the suspension cylinders and is an intrinsic property of the suspension cylinders. According to the invention, the accuracy of on-board weighing systems can be effectively improved.
Description
technical field [0001] The invention relates to the field of vehicles, in particular to a vehicle-mounted automatic weighing system. Background technique [0002] In the field of transportation, such as cars, buses, trucks, mining dump trucks, etc., mining dump trucks are engineering machinery widely used in mines, large-scale infrastructure construction, etc., mainly used for loading and unloading of ore, sand and other bulk materials and transport. Due to poor driving conditions and heavy load, this requires the mining dump truck to have an accurate weighing system. When the load is greater than the rated load of the mining dump truck to a certain extent, the vehicle is restricted from driving. The weighing system can not only The driver can see the loading weight in real time, and can also limit the driving of the seriously overloaded mining dump truck, so that it can be transported strictly according to the allowed load capacity of the mining dump truck, eliminating the...
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IPC IPC(8): G01G19/08
Inventor 朱志浩高直朱洪波霍威杨军
Owner QINHUANGDAO TIANYE TOLIAN HEAVY INDUSTRY CO LTD