Movable type belt scale based on laser ranging and using method
A technology of laser distance measuring and laser distance measuring instrument, which is applied to measuring devices, weighing equipment and instruments for continuous material flow, etc. , The effect of low equipment cost and convenient installation and disassembly
Inactive Publication Date: 2019-07-19
NORTHEASTERN UNIV
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Problems solved by technology
Although the nuclear belt scale overcomes some of the shortcomings of the electronic belt scale, the gamma rays projected by it will cause harm to the human body. At the same time, the nuclear belt scale also has problems such as low measurement accuracy and complicated calibration.
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[0024] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0025] Such as Figure 1~3 As shown, a movable belt scale based on laser ranging includes a base 1, a column 2, a lifting platform 3, an upper ranging beam 4, a lower ranging beam 5 and a belt speed measuring mechanism 6; the column 2 is vertically Fixed on the base 1, screw and guide rail 7 are respectively arranged on the column 2, a drive motor 16 is installed at the end of the screw, the column 2, screw 17 and guide rail 7 are parallel to each other, and the screw 17 is installed with The screw base, the lifting platform 3 is fixed on the screw base, and a guide chute is provided on the surface of the lifting platform 3, the guide rail 7 is located in the guide chute, and the lifting platform 3 can move linearly along the guide rail 7; The upper ranging beam 4 is horizontally fixed on the top of the lifting platform 3, the lower ...
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The invention discloses a movable type belt scale based on laser ranging and a using method of the movable type belt scale. The belt scale adopts an upper ranging beam and a lower ranging beam, the ranging beams can automatically adjust height and position, a row of laser rangefinders are arranged on each ranging beam, the laser emitting ends of the upper row of the laser rangefinders are downwards vertically, the laser emitting ends of the lower row of the laser rangefinders are upwards vertically, a belt speed measuring mechanism is arranged on the lower ranging beam, and speed measuring rollers of the belt speed measuring mechanism are kept in a rolling contact state with the lower surface of the belt in real time. The using method comprises the steps that a no-load belt is calibrated to obtain the cross-section area of the no-load belt; a time interval is set; a material-loading belt is scanned by laser to obtain the cross-section area of the material-loading belt; the material cross-section area on the material-loading belt is calculated by subtraction; the volume of materials transmitted by the belt within the set time interval is calculated; the mass of the materials transmitted by the belt within the set time interval is calculated; and the total mass of the materials transmitted by the belt within the set time section is calculated by a mode of mass summation.
Description
technical field [0001] The invention belongs to the technical field of belt scales, in particular to a movable belt scale based on laser distance measurement and a using method. Background technique [0002] The belt scale is an automatic weighing instrument installed on the belt conveyor for continuous weighing of bulk materials. It is the main equipment for short-distance transportation of materials. It has been widely used in mining, agriculture, industry and other production industries. Through accurate measurement Material quality can be of great significance in regulating production, calculating output, and improving production quality. [0003] At present, there are two main types of belt scales most commonly used, the first is electronic belt scales, and the second is nuclear belt scales. [0004] The electronic belt scale adopts a contact measurement method, which is mainly composed of a mechanical scale frame, a speed sensor, a weighing sensor, a control display i...
Claims
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IPC IPC(8): G01G11/00
CPCG01G11/00G01G11/003
Inventor 白哲刘宇涵高鹏
Owner NORTHEASTERN UNIV