CN101949729B - Weighting device and calibrating method of large weighting apparatus - Google Patents
Weighting device and calibrating method of large weighting apparatus Download PDFInfo
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- CN101949729B CN101949729B CN2010102724762A CN201010272476A CN101949729B CN 101949729 B CN101949729 B CN 101949729B CN 2010102724762 A CN2010102724762 A CN 2010102724762A CN 201010272476 A CN201010272476 A CN 201010272476A CN 101949729 B CN101949729 B CN 101949729B
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Abstract
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:
The present invention relates to a kind of weighing device and calibration steps thereof, especially a kind of large-scale weighing machine weighing device and calibration steps thereof that is applicable to haulage vehicle.
Background technology:
The large-scale weighing machine range ability is from 50 tons to 200 tons at present, calibration to large-scale weighing machine such as truck scale, usually the counterweight amount with the maximum range of truck scale is calibrated it before the product export, checks LOAD CELLS, scale body and relevant parts to make it satisfy the requirement of the truck scale complete machine accuracy of measuring.Truck scale is transported to also to be needed behind the erecting stage to calibrate with half counterweight amount of truck scale range.Because the erecting stage does not often possess desired counterweight quantity, very difficult precision of calibrating truck scale accurately, as satisfy calibrating weight quantity, need configuration lifting, transportation equipment, thereby bring the workload of onsite moving counterweight, lifting counterweight big, the expense height, the alignment time is long.
Summary of the invention
Technical matters: the objective of the invention is to overcome the deficiencies in the prior art, provide a kind of structure and method simple, calibration speed is fast, the large-scale weighing machine weighing device and the calibration steps thereof of the high and low cost of precision.
Technical scheme: large-scale weighing machine weighing device of the present invention, comprise scale body, the uniform a plurality of LOAD CELLS that are bearing in scale body below, each LOAD CELLS below is provided with the vertical adjusting mechanism of power, the below of the vertical adjusting mechanism of power is provided with the bearing capacity governor motion, and the below of bearing capacity governor motion is provided with the carrying basis; A plurality of LOAD CELLS respectively separately separate connection show the weighing instrument of the stressed output valve and the scale body deadweight value of each road LOAD CELLS.
The vertical adjusting mechanism of described power comprises symmetrically arranged LOAD CELLS contiguous block and bearing capacity governor motion contiguous block, be provided with unsteady steel ball between LOAD CELLS contiguous block and the bearing capacity governor motion contiguous block, be arranged with the scale of display scale on LOAD CELLS contiguous block and the bearing capacity governor motion contiguous block, the steel ball that floats is provided with the pointer in order to indicating positions.
Described bearing capacity governor motion comprises bearing capacity governor motion body, be located on the bearing capacity governor motion body following skewback with the following skewback last skewback of wedging mutually, the biside plate of bearing capacity governor motion body is provided with the upper limit adjustment bolt that the lower limit of fixing skewback is down adjusted bolt, is fixed in the bearing capacity governor motion contiguous block on the skewback.
Large-scale weighing machine weighing device calibration steps of the present invention, its step is as follows:
(1) initial calibration:
A, levelling carrying basis make its level, and horizontal accuracy is not less than 0.03mm/m;
B, order are installed bearing capacity governor motion, the vertical adjusting mechanism of power, LOAD CELLS, scale body on the carrying basis, with the signal output of LOAD CELLS respectively separately separate connection to the weighing instrument of stressed output valve that shows each road LOAD CELLS and scale body deadweight value;
C, the vertical adjusting mechanism of adjustment power make the LOAD CELLS bearing load be in quick condition, allow skew to be not more than ± 2mm;
D, adjustment bearing capacity governor motion make the stressed output of LOAD CELLS approaching consistent by scale body own wt distribution correspondence position relation, and its correspondence position allows difference to be not more than 4%; Write down the stressed output valve of each LOAD CELLS by weighing instrument;
E, the scale body is carried out after zero-setting operation and unbalance loading adjust; On the scale body, apply standard test weight, carry out range calibration;
F, remove standard test weight, the gravimetric value of weighing scale body, weighing instrument record scale body deadweight value, this value comparison gravimetric value during as on-the-spot installation calibrating;
(2) mobile or on-the-spot installation calibrating:
Step a, b, c, the d of a, repetition initial calibration, levelling carrying basis, adjust bearing capacity governor motion and the vertical adjusting mechanism of power the position, make LOAD CELLS stressed, show the stressed output valve of each LOAD CELLS this moment by weighing instrument, the stressed output valve of each LOAD CELLS during with initial calibration is compared, and makes it near consistent;
B. the adjustment weighing instrument writes down the scale body deadweight value of this moment, the scale body deadweight value when making it near the initial calibration state, and permissible error is no more than 0.1d (scale division value), zero setting, calibration operation finishes, and begins to weigh.
Beneficial effect: the present invention in factory carries out initial calibration earlier with the large-scale weighing machine weighing device before product export, by of the reproduction of factory's initial calibration operating mode in the erecting stage, utilize initial calibration to obtain data and scale body deadweight comparison method and carry out on-the-spot compensation adjustment calibration, make its requirement that reaches the accuracy of measuring, require the truck scale weighing device must satisfy certain working condition requirement simultaneously.Its erecting stage does not need a large amount of counterweights, can finish on-the-spot installation calibrating, has saved great amount of manpower and material resources.Its method is simple, and calibration is quick, and cost is low, and is effective, has practicality widely.
Description of drawings
Fig. 1. be weighing device structural representation of the present invention;
Fig. 2. be the vertical adjusting mechanism synoptic diagram of power of the present invention;
Fig. 3. be the part vertical view of the middle subdivision of Fig. 2;
Fig. 4. be bearing capacity governor motion synoptic diagram of the present invention.
Among the figure: skewback, 13-bearing capacity governor motion body, 14-upper limit are adjusted bolt under 1-LOAD CELLS, the vertical adjusting mechanism of 2-power, 3-bearing capacity governor motion, 4-carrying basis, 5-weighing instrument, 6-scale body, 7-LOAD CELLS contiguous block, the unsteady steel ball of 8-, 9-bearing capacity governor motion contiguous block, 10-pointer, the last skewback of 11-, the 12-, the 15-lower limit is adjusted bolt.
Embodiment
Below in conjunction with accompanying drawing one embodiment of the present of invention are further described:
Large-scale weighing machine weighing device of the present invention mainly comprise full suspension type scale body 6, be bearing in the LOAD CELLS 1 of scale body 6 belows, scale body 6 can have 1 to 4 set of mesas as required, 4 LOAD CELLS of per 1 set of mesas configuration, 6 LOAD CELLS of 2 set of mesas configuration, 8 LOAD CELLS of 3 set of mesas configuration, 10 LOAD CELLS of 4 set of mesas configuration, LOAD CELLS 1 firmly is connected with scale body 6 levels, LOAD CELLS 1 can be selected the simulation LOAD CELLS for use, also can select digital weighing sensor for use.LOAD CELLS shown in Fig. 1 is 4, each LOAD CELLS 1 below is connected with the stressed back of assurance scale body LOAD CELLS 1 and bears the vertical adjusting mechanism 2 of power of vertical force, the vertical adjusting mechanism 2 of power comprises symmetrically arranged LOAD CELLS contiguous block 7 and bearing capacity governor motion contiguous block 9, be provided with the steel ball 8 that floats between LOAD CELLS contiguous block 7 and the bearing capacity governor motion contiguous block 9, be arranged with the scale of display scale on LOAD CELLS contiguous block 7 and the bearing capacity governor motion contiguous block 9, the steel ball 8 that floats is provided with the pointer 10 in order to indicating positions, as shown in Figure 2.LOAD CELLS contiguous block 7 links to each other with LOAD CELLS 1, bearing capacity governor motion contiguous block 9 connects bearing capacity governor motion 3, pointer 10 on the unsteady steel ball 8 between the two can be one, also can be two, the position of two pointers 10 becomes 90 ° on same surface level, in order to indicating positions, as shown in Figure 3.Bearing capacity governor motion 3 comprises bearing capacity governor motion body 13, be located on the bearing capacity governor motion body 13 following skewback 12 with the following skewback 12 last skewback 11 of wedging mutually, the biside plate of bearing capacity governor motion body 13 is provided with the upper limit adjustment bolt 14 that the lower limit of fixing skewback 12 is down adjusted bolt 15, is fixed in the bearing capacity governor motion contiguous block 9 on the skewback 11, as shown in Figure 4.Bearing capacity governor motion 3 belows be provided with 4, four LOAD CELLS 1 in carrying basis respectively through the output line road separately separate connection show the weighing instrument 5 of the stressed output valve and the scale body deadweight value of each road LOAD CELLS 1.Bearing capacity governor motion 3 is mainly used in the stressed size of regulating LOAD CELLS 1, guarantee that each LOAD CELLS 1 weight signal output is approaching consistent by weighing apparatus structure own wt distribution corresponding relation, adjust the lifting that bolt 15 can be adjusted down skewback 12 by lower limit, the lifting of following skewback 12 promotes to go up the lifting of skewback 11.The weight signal output that the lifting of last skewback 11 produces LOAD CELLS 1 changes, upper limit is adjusted the relative position that bolt 14 prevents moving of bearing capacity governor motion contiguous block 9 and adjusts bearing capacity governor motion contiguous block 9, and bearing capacity governor motion body 13 links to each other with carrying basis 4.LOAD CELLS 1 stressed output enters weighing instrument 5 by each road independent mode, shows stressed output valve of each LOAD CELLS and scale body deadweight value by weighing instrument 5.Weighing instrument 5 mainly comprises processor (CPU), storer, display and power supply, and processor is 32 bit CPU integrated circuit S3C44B0X, and storer is integrated circuit 39VF160, and display is 640 * 320 dot matrix, power supply.
Large-scale weighing machine weighing device calibration steps of the present invention:
(1) initial calibration:
A, levelling carrying basis 4 make its level, and horizontal accuracy is not less than 0.03mm/m; On carrying basis 4, bearing capacity governor motion 3, the vertical adjusting mechanism 2 of power, LOAD CELLS 1, scale body 6 are installed successively, with the signal output of LOAD CELLS 1 respectively separately separate connection to the weighing instrument 5 of stressed output valve that shows each road LOAD CELLS 1 and scale body deadweight value;
B. by the vertical adjusting mechanism 2 of adjustment power, make the LOAD CELLS bearing load be in the unmanaged flexibility state, allow skew to be not more than ± 2mm.
C. adjust bearing capacity governor motion 3, make the stressed output of LOAD CELLS 1 approaching consistent by scale body 6 own wt distribution correspondence positions relation, its correspondence position allows difference to be not more than 4%; Stressed output valve by weighing instrument 5 each LOAD CELLS 1 of record;
D, scale body 6 is carried out zero-setting operation and unbalance loading adjustment;
E, on scale body 6, apply standard test weight, carry out range calibration;
F, remove standard test weight, the gravimetric value of weighing scale body 6, weighing instrument 5 record scale bodies 6 deadweight values, this value comparison gravimetric value during as on-the-spot installation calibrating;
(2) mobile or on-the-spot installation calibrating:
A, weighing apparatus move to on-the-spot installation calibrating, levelling carrying basis 4 makes its level, horizontal accuracy is not less than 0.03mm/m, and bearing capacity governor motion 3, the vertical adjusting mechanism 2 of power, LOAD CELLS 1, scale body 6 are installed successively, and LOAD CELLS 1 is connected weighing instrument 5;
B, by the vertical adjusting mechanism 2 of adjustment power, make the LOAD CELLS bearing load be in the unmanaged flexibility state, allow skew to be not more than ± 2mm.
C, the stressed output valve of each LOAD CELLS of pressing initial calibration step c record are adjusted bearing capacity governor motion 3, and its correspondence position allows difference to be not more than 4%.
D, the deadweight value by weighing instrument 5 Display Scale bodies 6, with the scale body deadweight value comparison of this value with step f weighing instrument 5 records of initial calibration, permissible error is no more than 0.1d (scale division value); If overproof, then need reinstall calibration, make it satisfy error and be no more than 0.1d;
E, instrument are returned the zero setting state, zero setting, and calibration operation finishes, and can begin Weighing.
Claims (2)
1. large-scale weighing machine weighing device, comprise scale body (6), the uniform a plurality of LOAD CELLS (1) that are bearing in scale body (6) below, it is characterized in that: each LOAD CELLS (1) below is provided with the vertical adjusting mechanism of power (2), the below of the vertical adjusting mechanism of power (2) is provided with bearing capacity governor motion (3), and the below of bearing capacity governor motion (3) is provided with carrying basis (4); A plurality of LOAD CELLS (1) respectively separately separate connection show the weighing instrument (5) of the stressed output valve and the scale body deadweight value of each road LOAD CELLS (1);
The vertical adjusting mechanism of described power (2) comprises symmetrically arranged LOAD CELLS contiguous block (7) and bearing capacity governor motion contiguous block (9), be provided with unsteady steel ball (8) between LOAD CELLS contiguous block (7) and the bearing capacity governor motion contiguous block (9), be arranged with the scale of display scale on LOAD CELLS contiguous block (7) and the bearing capacity governor motion contiguous block (9), the steel ball (8) that floats is provided with the pointer (10) in order to indicating positions;
Described bearing capacity governor motion (3) comprises bearing capacity governor motion body (13), be located on the bearing capacity governor motion body (13) following skewback (12) with following skewback (12) the last skewback (11) of wedging mutually, the biside plate of bearing capacity governor motion body (13) is provided with the upper limit adjustment bolt (14) that the lower limit of fixing skewback (12) is down adjusted bolt (15), is fixed in the bearing capacity governor motion contiguous block (9) on the skewback (11).
2. the calibration steps of a large-scale weighing machine weighing device as claimed in claim 1 is characterized in that step is as follows:
(1) initial calibration:
A, levelling carrying basis (4) make its level, and horizontal accuracy is not less than 0.03mm/m;
B, order are installed bearing capacity governor motion (3), the vertical adjusting mechanism of power (2), LOAD CELLS (1), scale body (6) on carrying basis (4), with the signal output of LOAD CELLS (1) respectively separately separate connection to the weighing instrument (5) of stressed output valve that shows each road LOAD CELLS (1) and scale body deadweight value;
C, the vertical adjusting mechanism of adjustment power (2) make LOAD CELLS (1) bearing load be in quick condition, allow skew to be not more than ± 2mm
D, adjustment bearing capacity governor motion (3) make the stressed output of LOAD CELLS (1) press scale body (6) own wt distribution correspondence position relation near consistent, and its correspondence position allows difference to be not more than 4%; Write down the stressed output valve of each LOAD CELLS (1) by weighing instrument (5);
E, scale body (6) is carried out after zero-setting operation and unbalance loading adjust; On scale body (6), apply standard test weight, carry out range calibration;
F, remove standard test weight, the gravimetric value of weighing scale body (6), weighing instrument (5) record scale body (6) deadweight value, this value comparison gravimetric value during as on-the-spot installation calibrating;
(2) mobile or on-the-spot installation calibrating:
Step a, b, c, the d of a, repetition initial calibration, levelling carrying basis (4), adjust bearing capacity governor motion (3) and the vertical adjusting mechanism of power (2) the position, make LOAD CELLS (1) stressed, show the stressed output valve of each LOAD CELLS (1) this moment by weighing instrument (5), the stressed output valve of each LOAD CELLS (1) during with initial calibration is compared, and makes it near consistent;
B. adjustment weighing instrument (5) writes down scale body (6) the deadweight value of this moment, scale body (6) the deadweight value when making it near the initial calibration state, and permissible error is no more than the 0.1d scale division value, zero setting, calibration operation finishes, and begins to weigh.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102724762A CN101949729B (en) | 2010-09-03 | 2010-09-03 | Weighting device and calibrating method of large weighting apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102724762A CN101949729B (en) | 2010-09-03 | 2010-09-03 | Weighting device and calibrating method of large weighting apparatus |
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| CN101949729A CN101949729A (en) | 2011-01-19 |
| CN101949729B true CN101949729B (en) | 2011-11-16 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103852147B (en) * | 2012-11-30 | 2016-05-11 | 北京万集科技股份有限公司 | A kind of combined is corrected dynamic weighing system and the method for travelling in violation of rules and regulations |
| CN104061993B (en) * | 2014-06-24 | 2016-05-04 | 福建省计量科学研究院 | The fits automatically system of high accuracy weighing apparatus Load Meter |
| CN105424151A (en) * | 2015-12-11 | 2016-03-23 | 苏州市华测检测技术有限公司 | Volume pot liquid mass metering instrument |
| CN105547438A (en) * | 2016-01-28 | 2016-05-04 | 南京威翔科技有限公司 | Anti-rollover trident leg |
| CN205940739U (en) * | 2016-08-13 | 2017-02-08 | 深圳市前海安测信息技术有限公司 | Healthy weight detection device with levelness regulatory function |
| CN107014475B (en) * | 2017-05-09 | 2023-04-11 | 合肥国轩高科动力能源有限公司 | Automatic calibration device and calibration method for lithium battery slurry mixing weighing system |
| CN108168679B (en) * | 2017-12-25 | 2020-03-20 | 山东钢铁股份有限公司 | Remote calibration system and method for ladle weighing sensor of continuous casting machine |
| CN109269620B (en) * | 2018-11-14 | 2024-01-02 | 中国铁路成都局集团有限公司计量所 | Container weighing calibration device and method |
| CN111412973A (en) * | 2019-01-04 | 2020-07-14 | 致伸科技股份有限公司 | Electronic scale with correction function and correction method applied to electronic scale |
| CN109974829A (en) * | 2019-04-29 | 2019-07-05 | 无锡中鼎集成技术有限公司 | A kind of weighing device calibrated automatically |
| CN111928931B (en) * | 2020-06-22 | 2022-03-08 | 赛摩智能科技集团股份有限公司 | Container weighing system and loading weighing monitoring method |
| CN117968934A (en) * | 2024-03-11 | 2024-05-03 | 北京精微致合测试技术有限公司 | Intelligent compensation system for pressure sensor detection |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| FR2279077A1 (en) * | 1974-07-18 | 1976-02-13 | Boudrot Charles | Mounting bracket withshock absorbers for weighbridge - has slightly elastic disc on ball bearing cups |
| US6177639B1 (en) * | 1999-04-09 | 2001-01-23 | Glenn R. Feilner | Swing and roll load cell mount for a weigh scale |
| RU2246705C2 (en) * | 2001-08-14 | 2005-02-20 | Открытое акционерное общество "Кубань-Малахит" | Method of calibration of balance without use of weights and device for realization of this method |
| CN100489468C (en) * | 2007-06-20 | 2009-05-20 | 大连海事大学 | Collapsible waterproof regulating and supporting structure for down-hole railroad track scale load-bearing station |
| CN201497566U (en) * | 2009-09-08 | 2010-06-02 | 天津大学 | Weight sensor for large structure weighing system |
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Owner name: SAIMO ELECTRIC CO., LTD. Free format text: FORMER NAME: JIANGSU SAIMO GROUP CO., LTD. |
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Address after: 221004 science and Technology Park, Jinshan Economic Development Zone, Xuzhou, Jiangsu Patentee after: Saimo Electrical Co., Ltd. Address before: 221004 science and Technology Park, Jinshan Economic Development Zone, Xuzhou, Jiangsu Patentee before: Jiangsu Saimo Group Co., Ltd. |