CN207528330U - A kind of large-sized silo on-line calibration device - Google Patents
A kind of large-sized silo on-line calibration device Download PDFInfo
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- CN207528330U CN207528330U CN201721590417.3U CN201721590417U CN207528330U CN 207528330 U CN207528330 U CN 207528330U CN 201721590417 U CN201721590417 U CN 201721590417U CN 207528330 U CN207528330 U CN 207528330U
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- feed bin
- weighing sensor
- standard weighing
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- hydraulic cylinder
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Abstract
The utility model discloses a kind of large-sized silo on-line calibration devices, it is characterised in that：Including measuring feed bin, standard weighing device, feed bin is measured by feed bin, weighing sensor, feed bin indicating meter forms, standard weighing device is by standard weighing sensor, hydraulic cylinder, standard weighing instrument, servo hydraulic control system forms, feed bin is mounted on weighing sensor, weighing sensor is installed on the basis of feed bin, feed bin indicating meter is connect with weighing sensor, standard weighing sensor is installed on above hydraulic cylinder, hydraulic cylinder is installed on the basis of feed bin, hydraulic cylinder is connect with servo hydraulic control system by oil pipe, standard weighing sensor is connect by signal wire with standard weighing instrument, standard weighing instrument is connect by signal wire with servo hydraulic control system；It using the calibration method and device of the utility model, is significantly increased in terms of precision is calibrated, can be applied to the calibration of large-scale metering feed bin.
Description
Technical field：
The utility model is related to measure feed bin on-line calibration more particularly to a kind of large-sized silo on-line calibration device.
Background technology：
Large size metering feed bin extensively sends out application in electric system, is mainly used for power generation process managing power consumption.Due to electricity power enterprise
The large-scale metering feed bin used, can only since weight greatly always can not directly calibrate it very much generally all in 800t or so
When equipment is installed by weighing sensor send laboratory carry out indirect alignment, this to measure feed bin accuracy of measurement, especially
The accuracy of measuring in operational process is affected.
Utility model content：
For large-scale metering feed bin can not directly calibrate the problem of, the purpose of this utility model is to provide a kind of big moulding mixture
Storehouse on-line calibration device carries out on-line calibration to large size metering feed bin using off-load method with a set of calibration system, can effectively solve
The calibration of large size metering feed bin, it is ensured that its accurate measurement is reliable.
The technical solution that the utility model is taken is as follows：
A kind of large-sized silo on-line calibration device, it is characterised in that：Including metering feed bin, standard weighing device, metering material
Storehouse is made of feed bin, weighing sensor, feed bin indicating meter, and standard weighing device is by standard weighing sensor, hydraulic cylinder, mark
Quasi- weighing instrument, servo hydraulic control system composition, feed bin are mounted on weighing sensor, and weighing sensor is installed on feed bin base
On plinth, feed bin indicating meter is connect with weighing sensor, and standard weighing sensor is installed on above hydraulic cylinder, hydraulic cylinder peace
On the basis of feed bin, hydraulic cylinder is connect with servo hydraulic control system by oil pipe, and standard weighing sensor passes through signal
Line is connect with standard weighing instrument, and standard weighing instrument is connect by signal wire with servo hydraulic control system.
Further it is provided in：
In non-calibrated state, standard weighing sensor is not contacted with feed bin, during align mode, standard weighing sensor with
Silo support contacts.
The weighing sensor for measuring feed bin is in parallel with the standard weighing sensor of standard weighing device.
The standard weighing sensor of standard weighing device is the standard weighing sensor parallel combination of multiple identical ranges, respectively
A standard weighing sensor is evenly distributed with by axle center ring-type of feed bin center of gravity line.
The standard weighing sensor of standard weighing device for 3 or 3 or more identical ranges standard weighing sensor simultaneously
Connection combination.
The hydraulic cylinder of standard weighing device is the hydraulic cylinder parallel combination of multiple same sizes, quantity and sensor number
Amount is consistent.
The utility model has the advantages that：
1st, the utility model can be realized using a set of standard weighing device measures feed bin on-line calibration to large size, greatly improves
Measure the feed bin accuracy of measuring, thoroughly solves the problems, such as large-scale metering feed bin can not periodic calibration, be the huge warp of user's generation
Ji benefit.
2nd, the utility model is simple in structure, and production cost is low, applied widely, it is easy to accomplish mass production manufactures.
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Description of the drawings：
The structure diagram of Fig. 1 the utility model.
In figure：Feed bin 1-1, weighing sensor 1-2, feed bin indicating meter 1-3, standard weighing sensor 2-1, hydraulic cylinder
2-2, standard weighing instrument 2-3, servo hydraulic control system 2-4, feed bin basis 3.
Specific embodiment：
As shown in Figure 1, a kind of large-sized silo on-line calibration device of the utility model includes:Metering feed bin 1, standard are weighed
Device 2, metering feed bin 1 are made of feed bin 1-1, weighing sensor 1-2, feed bin indicating meter 1-3, and standard weighing device 2 is by marking
Quasi- weighing sensor 2-1, hydraulic cylinder 2-2, standard weighing instrument 2-3, servo hydraulic control system 2-4 compositions, feed bin 1-1 peaces
On weighing sensor 1-2, weighing sensor 1-2 is installed on feed bin basis 3, feed bin indicating meter 1-3 and weighing and sensing
Device 1-2 connections, standard weighing sensor 2-1 are installed on above hydraulic cylinder 2-2, and hydraulic cylinder 2-2 is installed on feed bin basis 3
On, hydraulic cylinder 2-2 is connect with servo hydraulic control system 2-4 by oil pipe, standard weighing sensor 2-1 by signal wire with
The 2-3 connections of standard weighing instrument, standard weighing instrument 2-3 is connect by signal wire with servo hydraulic control system 2-4, in non-school
Standard weighing sensor 2-1 is not contacted with feed bin 1-1 during quasi- state, and when calibration contacts with silo support 1-1；Measure feed bin 1
Weighing sensor 1-2 is in parallel with the standard weighing sensor 2-1 of standard weighing device 2.
The standard weighing sensor 2-1 of standard weighing device 2 is the standard weighing sensor parallel connection group of multiple identical ranges
It closes, usually 3 or 3 or more, each standard weighing sensor is evenly distributed with by axle center ring-type of feed bin center of gravity line.
The hydraulic cylinder 2-2 of standard weighing device 2 is the hydraulic cylinder parallel combination of multiple same sizes, quantity and standard
Weighing sensor quantity is consistent.
The utility model realizes the on-line calibration of large-scale metering feed bin, calibration using standard weighing device 2 by off-load method
Method is as follows：
During on-line calibration, material is filled it up in feed bin 1-1, test point is set according to technical parameter known to tested measuring chute
(standard weighing instrument predetermined value：WB0, WB1, WB2 ...), the servo hydraulic control system 2-4 of standard weighing device 2 is to hydraulic oil
Cylinder 2-2 pressurizes, and hydraulic cylinder 2-2 applies upward active force to feed bin 1-1 by standard weighing sensor 2-1 and reaches predetermined value
WB0, the indicated value for measuring feed bin at this time are W0；Then by oil cylinder 2-2 off-loads, standard weighing instrument 2-3 is made to reach desired value
WB1, the indicated value for measuring feed bin at this time are W1；Continue, by oil cylinder 2-2 off-loads, standard weighing instrument 2-3 to be made to reach desired value
WB2, the indicated value for measuring feed bin at this time are W2；The rest may be inferred has demarcated required calibrating point, it is assumed that △ W are the mistake for measuring feed bin
Difference, then：
On-line calibration is carried out to metering feed bin according to error amount.
Case study on implementation：
The utility model people implements on-line calibration to 300 tons of a tare weight, the large-scale metering feed bin of 500 tons of capacity：
1st, 3 200 tons of standard weighing sensors are examined and determine into traveling backhaul respectively, the standard weighing instrument of 600 tons of composition, mark
The precision of quasi- weighing instrument is 0.03 grade.
2nd, 600 tons of standard weighing device is arranged on 500 tons of large-scale metering feed bin by utility model content.
3rd, the indicated value for adding material to feed bin to metering feed bin is 500 tons.
4th, on-line calibration：
(1) error measure
(2) by upper table to measure feed bin feed bin indicating meter be modified (error, zero), after amendment again repeat into
Rower is determined, and result is：
Calibration result is better than 0.1%
Using the calibration method and device of the utility model, compared with carrying out indirect alignment with existing laboratory, in calibration essence
It is significantly increased in terms of accuracy, can be applied to the calibration of 800t large sizes metering feed bin that electricity power enterprise uses.
Claims (6)
1. a kind of large-sized silo on-line calibration device, it is characterised in that：Including metering feed bin, standard weighing device, feed bin is measured
Including feed bin, weighing sensor, feed bin indicating meter composition, standard weighing device include standard weighing sensor, hydraulic cylinder,
Standard weighing instrument, servo hydraulic control system composition, feed bin are mounted on weighing sensor, and weighing sensor is installed on feed bin
On the basis of, feed bin indicating meter is connect with weighing sensor, and standard weighing sensor is installed on above hydraulic cylinder, hydraulic cylinder
It is installed on the basis of feed bin, hydraulic cylinder is connect with servo hydraulic control system by oil pipe, and standard weighing sensor passes through letter
Number line is connect with standard weighing instrument, and standard weighing instrument is connect by signal wire with servo hydraulic control system.
2. a kind of large-sized silo on-line calibration device according to claim 1, it is characterised in that：In non-calibrated state,
Standard weighing sensor is not contacted with feed bin, and during align mode, standard weighing sensor is contacted with silo support.
3. a kind of large-sized silo on-line calibration device according to claim 1, it is characterised in that：Measure the biography of weighing of feed bin
Sensor is in parallel with the standard weighing sensor of standard weighing device.
4. a kind of large-sized silo on-line calibration device according to claim 1 or 3, it is characterised in that：Standard weighing device
Standard weighing sensor be multiple identical ranges standard weighing sensor parallel combination, each standard weighing sensor is to expect
Storehouse center of gravity line is evenly distributed with for axle center ring-type.
5. a kind of large-sized silo on-line calibration device according to claim 4, it is characterised in that：The mark of standard weighing device
Standard weighing sensor parallel combination of the quasi- weighing sensor for 3 or 3 or more identical ranges.
6. a kind of large-sized silo on-line calibration device according to claim 1, it is characterised in that：The liquid of standard weighing device
Compressing cylinder is the hydraulic cylinder parallel combination of multiple same sizes, and quantity is consistent with standard weighing sensor quantity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721590417.3U CN207528330U (en) | 2017-11-24 | 2017-11-24 | A kind of large-sized silo on-line calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721590417.3U CN207528330U (en) | 2017-11-24 | 2017-11-24 | A kind of large-sized silo on-line calibration device |
Publications (1)
| Publication Number | Publication Date |
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| CN207528330U true CN207528330U (en) | 2018-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721590417.3U Active CN207528330U (en) | 2017-11-24 | 2017-11-24 | A kind of large-sized silo on-line calibration device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110146150A (en) * | 2019-06-10 | 2019-08-20 | 上海蓝箭称重技术有限公司 | Hopper meausring apparatus calibration method |
| CN111521253A (en) * | 2020-05-22 | 2020-08-11 | 西安飞机工业（集团）有限责任公司 | Precision detection method for aircraft weighing instrument system |
| CN117075568A (en) * | 2023-10-18 | 2023-11-17 | 绵阳沃思测控技术有限公司 | Batching control system based on continuous monitoring |
-
2017
- 2017-11-24 CN CN201721590417.3U patent/CN207528330U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110146150A (en) * | 2019-06-10 | 2019-08-20 | 上海蓝箭称重技术有限公司 | Hopper meausring apparatus calibration method |
| CN111521253A (en) * | 2020-05-22 | 2020-08-11 | 西安飞机工业（集团）有限责任公司 | Precision detection method for aircraft weighing instrument system |
| CN117075568A (en) * | 2023-10-18 | 2023-11-17 | 绵阳沃思测控技术有限公司 | Batching control system based on continuous monitoring |
| CN117075568B (en) * | 2023-10-18 | 2024-01-05 | 绵阳沃思测控技术有限公司 | Batching control system based on continuous monitoring |
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