CN203053557U - Calibration device of electronic belt scale - Google Patents
Calibration device of electronic belt scale Download PDFInfo
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- CN203053557U CN203053557U CN201220579296.3U CN201220579296U CN203053557U CN 203053557 U CN203053557 U CN 203053557U CN 201220579296 U CN201220579296 U CN 201220579296U CN 203053557 U CN203053557 U CN 203053557U
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- standard calibration
- check rod
- belt
- calibration check
- weighing
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- 238000005303 weighing Methods 0.000 claims abstract description 40
- 230000002093 peripheral effect Effects 0.000 claims abstract description 10
- 238000012545 processing Methods 0.000 claims abstract description 10
- 238000005259 measurement Methods 0.000 claims description 12
- 238000013461 design Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 8
- 229910000831 Steel Inorganic materials 0.000 abstract 3
- 239000010959 steel Substances 0.000 abstract 3
- 239000000463 material Substances 0.000 description 19
- 238000000034 method Methods 0.000 description 15
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model relates to a calibration device of an electronic belt scale. The calibration device includes a belt peripheral fixing steel frame, a carrier roller, a belt, a weighing scale frame, standard calibration test bar supports I, standard calibration test bar supports II, a return belt, weighing sensors, a speed sensor, a signal processing and measuring instrument, a computer and standard calibration test bars; the electronic belt weighing device is fixed through the belt peripheral fixing steel frame; the belt is loaded on the carrier roller; the weighing sensors are fixed below the weighing scale frame; the return belt is provided with the speed sensor; a signal output end of the speed sensor is connected with the signal processing and measuring instrument; and the signal processing and measuring instrument is connected with the computer. According to the calibration device of the utility model, the standard calibration test bar supports are additionally arranged on the belt peripheral fixing steel frame and the weighing scale frame, and the standard calibration test bars are arranged on the standard calibration test bar supports; and therefore, the calibration device is advantageous in convenience, structural simplicity and convenient operation, and can assist in saving a large quantity of manpower, and can extend the generality of a test device, and can be used for multi-point calibration.
Description
Technical field
The utility model relates to a kind of caliberating device of belted electronic balance.
Background technology
When belted electronic balance is installed at the scene, or after using a period of time, in order to guarantee the accuracy of metering, must calibration.All set forth 3 kinds of scaling methods below normal employing in the papers such as " scaling method of belted electronic balance ", " three kinds of scaling methods of belted electronic balance ": link code is demarcated, chain code is demarcated, materials calibration.These scaling methods are all that the quality on the comparison instrument shows whether aggregate-value equates with the quality actual value of these materials; If not etc., proofread and correct it, until being less than industry, error between the two specifies index.
In the production of real enterprise, a kind of method of materials calibration is that an accurate known quantitative material is added on conveying belt gradually, finally the aggregate-value of instrument and actual value poor relatively.Another kind method be with container the material accumulation of carrying, correspondingly write down the numerical value that inner pressurd vessel during this period of time accumulates material, finally to accumulating material, carry out accurate weighing, then compare with the instrument indicated value.The common feature of these two kinds of methods be reliable, precision is high, can eliminate the additive error of bringing due to installation, but trouble.Especially at needs, carry in the industries such as mine, coal, building materials, chemical industry, metallurgy, electric power of bulk material, belted electronic balance is when materials calibration, often need hundreds of kilogram, several tons, the material more than tens tons even, want easily many manpowers, spend many man-hours.Link code is demarcated is that standard test weight is placed in to the acceptant power of belted electronic balance and transmits the most responsive position of power.Its advantage is simple, and expense is few, can do linear multi and demarcate; Its shortcoming is that the relative materials calibration of precision demarcated is on the low side and to move the labour intensity of counterweight large.It is to flow through the scaling method of weight of material in every meter strap length of a kind of simulation electronic belt conveyer scale that chain code is demarcated, and the chain code caliberating device is placed on the belt of belted electronic balance weighing section of static or motion, carries out static state or dynamic calibration.This method approaches the actual conditions of institute's transported material flow, and ratio of precision is higher; Its shortcoming is that the versatility of chain code is poor, and the manufacturing cost expense of device is higher, and need to expend a large amount of manpower transport's chain codes.Therefore, enterprise wishes each timing signal, reduces step as far as possible, to use manpower and material resources sparingly and can reach the requirement of industrial index.
The utility model content
The utility model proposes a kind of caliberating device of belted electronic balance, solved belted electronic balance and demarcated and will facilitate, precision, use manpower and material resources sparingly and can reach the contradiction between industrial belt scale calibration index, to reaching a kind of mobile equilibrium.
The technical solution adopted in the utility model: a kind of caliberating device of belted electronic balance comprises that belt peripheral fixedly steelframe 1, carrying roller 2, belt 3, weighing claim frame 4, standard calibration check rod bracket I5, standard calibration check rod bracket II6, return belt 7, LOAD CELLS 8, speed pickup 9, signal processing and measurement instrument 10, computing machine 11, standard calibration check rod 12; The electronic belt weighing device is fixed by the peripheral fixedly steelframe 1 of belt, belt 3 loads on carrying roller 2, weighing scale frame 4 times is LOAD CELLS 8 fixedly, return belt 7 is provided with speed pickup 9, the signal output part of speed pickup 9 connects signal to be processed and measurement instrument 10, and signal is processed and is connected computing machine 11 with measurement instrument 10.
Carrying roller 2 is two groups, can be also many group carrying rollers; Fixedly on steelframe 1, set up standard calibration check rod bracket I5 in periphery, weighing claims on frame 4 to set up standard calibration check rod bracket II6; Standard calibration check rod bracket I5, standard calibration check rod bracket II6 design according to standard calibration check rod 12, can be the V-shape draw-in groove, or be U font draw-in groove; LOAD CELLS 8 is four, is arranged on respectively the electronic scales weighing and claims four jiaos of frame 4; Standard calibration check rod 12 is two; Standard calibration check rod 12 is that precision is at least than the calibrated check rod of verifying attachment of high 2 times of belted electronic balance precision; Standard calibration check rod 12 can be made cylindricality, also can be designed to according to specific condition other profile; Weighing claims on frame 4 to set up standard calibration check rod bracket II6, is arranged on the head and end that weighing claims frame 4, and two ends claim 1/5 of frame length from the distance of carrying roller 2 for whole weighing; Fixedly on steelframe 1, be provided with standard calibration check rod bracket I5 in periphery, be arranged on the inside of standard calibration check rod bracket II6, between the two be spaced apart 5cm.
When not needing timing signal, standard calibration check rod 12 is placed on to standard calibration check rod bracket I5 upper, LOAD CELLS 8 does not stress; Work as timing signal, standard calibration check rod 12 is placed on to standard calibration check rod bracket II6 upper, LOAD CELLS 8 is stressed.
The beneficial effects of the utility model: the utility model has fixedly increased standard calibration check rod bracket on steelframe and weighing scale frame in periphery, and standard calibration check rod is placed in to this, convenient and can save a large amount of manpowers; Can expand the versatility of verifying attachment, and can be used as the demarcation of multiple spot, simultaneously simple in structure, easy to operate.
The accompanying drawing explanation
Fig. 1: belted electronic balance overall work principle sketch;
Fig. 2: weigh and demarcate local device figure;
Fig. 3: belted electronic balance staking-out work process flow diagram;
Wherein: the 1-belt is peripheral, and fixedly steelframe, 2-carrying roller, 3-belt, 4-weighing claim frame, 5-standard calibration check rod bracket I, 6-standard calibration check rod bracket II, 7-return belt, 8-LOAD CELLS, 9-speed pickup, the processing of 10-signal and measurement instrument, 11-computing machine, 12-standard calibration check rod.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
As shown in Figure 1, a kind of caliberating device of belted electronic balance comprises that belt peripheral fixedly steelframe 1, carrying roller 2, belt 3, weighing claim frame 4, standard calibration check rod bracket I5, standard calibration check rod bracket II6, return belt 7, LOAD CELLS 8, speed pickup 9, signal processing and measurement instrument 10, computing machine 11, standard calibration check rod 12; The electronic belt weighing device is fixed by the peripheral fixedly steelframe 1 of belt, belt 3 loads on carrying roller 2, weighing scale frame 4 times is LOAD CELLS 8 fixedly, return belt 7 is provided with speed pickup 9, the signal output part of speed pickup 9 connects signal to be processed and measurement instrument 10, and signal is processed and is connected computing machine 11 with measurement instrument 10.
Carrying roller 2 is two groups, can be also many group carrying rollers; Fixedly on steelframe 1, set up standard calibration check rod bracket I5 in periphery, weighing claims on frame 4 to set up standard calibration check rod bracket II6; Standard calibration check rod bracket I5, standard calibration check rod bracket II6 design according to standard calibration check rod 12, can be the V-shape draw-in groove, or be U font draw-in groove; LOAD CELLS 8 is four, is arranged on respectively four jiaos of electronic scales weighing framework 4; Standard calibration check rod 12 is two; Standard calibration check rod 12 is that precision is at least than the calibrated check rod of verifying attachment of high 2 times of belted electronic balance precision; Standard calibration check rod 12 can be made cylindricality, also can be designed to according to specific condition other profile.
When belt 3 loads on carrying roller 2 while moving, 4 times LOAD CELLS 8 of weighing scale frame are stressed, the signal combination produced is arranged on signal that the speed pickup 9 on return belt 7 measures and reaches that signal is processed and measurement instrument 10 passes through pre-service, and signal reaches control terminal computing machine 11 and carries out the composite calibration processing the most at last.
In the limitation of considering that the methods such as chain code, link code, material object are demarcated, consider under the condition of cost and manpower saving, weighing claims on frame 4 to set up standard calibration check rod bracket II6, is arranged on the head and end that weighing claims frame 4, and two ends claim 1/5 of frame length from the distance of carrying roller 2 for whole weighing; Fixedly on steelframe 1, be provided with standard calibration check rod bracket I5 in periphery, be arranged on the inside of standard calibration check rod bracket II6, between the two be spaced apart 5cm.
As shown in Figure 2, when not needing timing signal, standard calibration check rod 12 is placed on to standard calibration check rod bracket I5 upper, LOAD CELLS 8 does not stress; Work as timing signal, standard calibration check rod 12 is placed on to standard calibration check rod bracket II6 upper, LOAD CELLS 8 is stressed, produces one and can be used for the deviation signal of demarcating.
As shown in Figure 3, can find out the flow process of whole demarcation,
1, work as timing signal, standard calibration check rod 12 is placed on standard calibration check rod bracket II6;
2, utilize signal processing and measurement instrument 10 gather the data of LOAD CELLS 8 and speed pickup 9 and correspondingly process, when having inspected, by gathering and processing the rear instrument value shown and calculated value relatively, calculate relative error;
3, through demarcating, make relative error e in the claimed range of industrial index, complete and demarcate and weigh normally
.
The principle of work of weighing of the present utility model is: belt conveyer is in the situation that at the uniform velocity transmit material, and in time t, total operational throughput can be calculated by following formula: W=q.V.t; The weight of material on q-unit length belt wherein, kg/m; V-belt transfer rate, meter per second; The t-delivery time, second.Yet the material on belt is not generally that the speed of belt feeder also fluctuates to some extent uniformly, so the total operational throughput in the t time should be the integration of instantaneous operational throughput to the time.Be:
The principle of demarcation of the present utility model: the Mass Calculation of its standard calibration check rod is undertaken by following formula:
, in formula: the weight (kilogram) of W-standard calibration check rod,
-belt feeder maximum delivery (ton/hour), the V-belt speed, recorded by speed pickup (9), L-weighing section effective length (rice).Therefore, belt operational throughput calculated maximum in t effective time
for:
The utility model has fixedly increased standard calibration check rod bracket on steelframe and weighing scale frame in periphery, and standard calibration check rod is placed in to this, convenient and can save a large amount of manpowers; Can expand the versatility of verifying attachment, and can be used as the demarcation of multiple spot, simultaneously simple in structure, easy to operate.
The utility model describes by specific implementation process, in the situation that do not break away from the utility model scope, can also carry out various conversion and be equal to replacement the utility model patent, therefore, the utility model patent is not limited to disclosed specific implementation process, and should comprise the whole embodiments that fall in the utility model Patent right requirement scope.
Claims (10)
1. the caliberating device of a belted electronic balance is characterized in that being: caliberating device comprises that peripheral fixedly steelframe, carrying roller, belt, weighing claim frame, standard calibration check rod bracket I, standard calibration check rod bracket II, return belt, LOAD CELLS, speed pickup, signal processing and measurement instrument, computing machine, standard calibration check rod to belt; The electronic belt weighing device is fixed by the peripheral fixedly steelframe of belt, belt load is on carrying roller, fixing LOAD CELLS under the weighing scale frame, return belt is provided with speed pickup, the signal output part of speed pickup connects signal to be processed and measurement instrument, and signal is processed and is connected computing machine with measurement instrument.
2. the caliberating device of a kind of belted electronic balance according to claim 1, it is characterized in that: carrying roller is two groups, can be also many group carrying rollers.
3. the caliberating device of a kind of belted electronic balance according to claim 1, it is characterized in that: fixedly on steelframe, set up standard calibration check rod bracket I in periphery, weighing claims on frame to set up standard calibration check rod bracket II.
4. the caliberating device of a kind of belted electronic balance according to claim 3 is characterized in that: standard calibration check rod bracket I, standard calibration check rod bracket II design according to standard calibration check rod, can be the V-shape draw-in groove, or be U font draw-in groove.
5. the caliberating device of a kind of belted electronic balance according to claim 1, it is characterized in that: LOAD CELLS is four, is arranged on respectively four jiaos of electronic scales weighing framework.
6. the caliberating device of a kind of belted electronic balance according to claim 1, it is characterized in that: standard calibration check rod is two.
7. the caliberating device of a kind of belted electronic balance according to claim 6 is characterized in that: standard calibration check rod for precision at least than the calibrated check rod of verifying attachment of high 2 times of belted electronic balance precision.
8. the caliberating device of a kind of belted electronic balance according to claim 6, it is characterized in that: standard calibration check rod is made cylindricality.
9. the caliberating device of a kind of belted electronic balance according to claim 1, it is characterized in that: weighing claims on frame to set up standard calibration check rod bracket II, is arranged on the head and end that weighing claims frame, and two ends claim 1/5 of frame length from the distance of carrying roller for whole weighing.
10. the caliberating device of a kind of belted electronic balance according to claim 1 is characterized in that: fixedly on steelframe, be provided with standard calibration check rod bracket I in periphery, be arranged on the inside of standard calibration check rod bracket II, between the two be spaced apart 5cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220579296.3U CN203053557U (en) | 2012-11-06 | 2012-11-06 | Calibration device of electronic belt scale |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220579296.3U CN203053557U (en) | 2012-11-06 | 2012-11-06 | Calibration device of electronic belt scale |
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| Publication Number | Publication Date |
|---|---|
| CN203053557U true CN203053557U (en) | 2013-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220579296.3U Expired - Fee Related CN203053557U (en) | 2012-11-06 | 2012-11-06 | Calibration device of electronic belt scale |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980645A (en) * | 2012-11-06 | 2013-03-20 | 昆明理工大学 | Calibration device of electronic belt scale |
| CN104154974A (en) * | 2014-07-23 | 2014-11-19 | 赛摩电气股份有限公司 | High-stability electronic belt scale and stability compensating method thereof |
| CN107036689A (en) * | 2016-12-02 | 2017-08-11 | 江苏师范大学 | A kind of adhesive tape conveyor conveying capacity on-line monitoring method and its device |
-
2012
- 2012-11-06 CN CN201220579296.3U patent/CN203053557U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980645A (en) * | 2012-11-06 | 2013-03-20 | 昆明理工大学 | Calibration device of electronic belt scale |
| CN104154974A (en) * | 2014-07-23 | 2014-11-19 | 赛摩电气股份有限公司 | High-stability electronic belt scale and stability compensating method thereof |
| CN107036689A (en) * | 2016-12-02 | 2017-08-11 | 江苏师范大学 | A kind of adhesive tape conveyor conveying capacity on-line monitoring method and its device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130710 Termination date: 20141106 |
|
| EXPY | Termination of patent right or utility model |