Scale calibration device for self-inspection of mixing plant and scale calibration method thereof

A technology for mixing plant and calibrating scale, which is applied in the field of calibrating device for self-checking of mixing plant, can solve the problems of inability to perform calibrating in a timely and rapid manner, labor-intensive work, and long calibrating time, etc., so as to facilitate inquiry and reduce labor. Strength, easy operation

Active Publication Date: 2020-09-18
德通智能科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] During the working process of the mixing station, the requirements for weighing accuracy are high. In order to ensure the weighing accuracy, it is necessary to use weights to calibrate the scale regularly, generally once every 3 months, and the time interval for each calibration is relatively long. Once the weighing accuracy deviates during use, the scale cannot be calibrated in time and quickly; if the time interval for each calibration is shortened, the current calibration method of manually moving weights is adopted, and the entire calibration process is inconvenient to operate and labor-intensive. , the calibration scale takes a long time and the work efficiency is low

Method used

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  • Scale calibration device for self-inspection of mixing plant and scale calibration method thereof
  • Scale calibration device for self-inspection of mixing plant and scale calibration method thereof
  • Scale calibration device for self-inspection of mixing plant and scale calibration method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Such as figure 1 As shown, a self-checking scale calibration device for a mixing station includes a frame 1, a load cell 2, a weighing bucket 3, a jacking device 4, and a weighing system, and the load cell 2 is fixedly connected to the machine. On the frame 1 and between the weighing bucket 3 and the frame 1, the weighing bucket 3 is detachably connected to the load cell 2, and the jacking device 4 is used to drive the weighing bucket 3 to rise and falling, through the up and down movement of the jacking device 4, the weighing bucket 3 is driven to move up and down to realize the separation and contact between the weighing bucket 3 and the load cell 2; when the weighing bucket 3 contacts the load cell 2, the lifting device 4 is separated from the weighing bucket 3, and the weighing bucket 3 is supported by the weighing sensor 2; the weighing sensor 3 adopts a pressure-type weighing sensor; the jacking device 4 is fixedly connected to the frame 1, and the weighing The h...

Embodiment 2

[0043] Such as figure 2 , Figure 4 As shown, when the reverse method is selected to calibrate the scale, the calibration method includes the following steps:

[0044] 1. Use weighing bucket 3 as a standard weighing bucket;

[0045] 2. Empty the weighing bucket 3, and manually calibrate the value of the load cell 2 on the weighing system;

[0046] 3. The lifting device 4 moves the weighing bucket 3 up, so that the weighing bucket 3 is separated from the load cell 2, and the load cell 2 is unloaded; manually input the negative value of the standard weighing bucket weight value on the weighing system as the end point weight value;

[0047] 4. According to the zero point and end point weight value, the weighing system automatically calculates the weighing AD value, so that the actual weight and the millivolt level signal fed back by the load cell 2 form a linear relationship, and the calibration is completed;

[0048] 5. Move the jacking device 4 down, restore the weighing b...

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PUM

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Abstract

The invention discloses a scale calibration device for self-inspection of a mixing plant and a scale calibration method thereof. The device comprises a rack, a weighing sensor, a weighing hopper, a jacking device and a weighing system; the weighing sensor is fixedly connected with the rack and located between the weighing hopper and the rack; the weighing hopper is detachably connected with the weighing sensor; the jacking device is fixedly connected with the rack; and the weighing sensor and the jacking device are electrically connected with the weighing system. In conclusion, the device hasthe advantages of being convenient to operate, reducing the labor intensity of workers and being capable of freely calibrating a scale as required.

Description

technical field [0001] The invention relates to the technical field of weighing equipment, in particular to a scale calibration device for self-inspection of a mixing station and a scale calibration method thereof. Background technique [0002] During the working process of the mixing station, the requirements for weighing accuracy are high. In order to ensure the weighing accuracy, it is necessary to use weights to calibrate the scale regularly, generally once every 3 months, and the time interval for each calibration is relatively long. Once the weighing accuracy deviates during use, the scale cannot be calibrated in time and quickly; if the time interval for each calibration is shortened, the current calibration method of manually moving weights is adopted, and the entire calibration process is inconvenient to operate and labor-intensive. , The calibration scale takes a long time and the work efficiency is low. Contents of the invention [0003] The main purpose of the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01G23/01
CPCG01G23/01
Inventor 张良奇李冠峰李晓军张启龙马景存刘畅马玉伟
Owner 德通智能科技股份有限公司
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