CN106908133A - A kind of on-line automatic method of calibration of bunker scale based on a small amount of counterweight - Google Patents
A kind of on-line automatic method of calibration of bunker scale based on a small amount of counterweight Download PDFInfo
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- CN106908133A CN106908133A CN201710190260.3A CN201710190260A CN106908133A CN 106908133 A CN106908133 A CN 106908133A CN 201710190260 A CN201710190260 A CN 201710190260A CN 106908133 A CN106908133 A CN 106908133A
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- counterweight
- verification
- hopper
- line automatic
- small amount
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
- G01G23/01—Testing or calibrating of weighing apparatus
Abstract
The present invention relates to a kind of on-line automatic method of calibration of the hopper based on a small amount of counterweight, comprise the following steps：Step one, test repeatability；Step 2, according to reperformance test result, calculates counterweight loading number of times and verification counterweight amount；Step 3, loads counterweight number of times and verification counterweight amount is set in on-line automatic verification weighing procedures；Step 4, according to verification counterweight amount；Step 5, bunker scale on-line automatic check system of the composition based on a small amount of counterweight；Step 6, will be weighed object blanking definite value automatic control system and switchs to on-line automatic checking mode；Step 7, check results are normal, automatically restore to definite value automatic blanking pattern；Otherwise, prompting is reported for repairment, notifies relevant post, changes standby storehouse.Be capable of achieving in time, can simultaneously all hoppers are claimed automatic rapid verification, a small amount of counterweight full scale reliably verification, verification and using process at the same carry out automatically, checking procedure not manually participate in, verify the low purpose of cost.
Description
Technical field
The present invention relates to weighing equipment field, and in particular to a kind of on-line automatic verification side of bunker scale based on a small amount of counterweight
Method.
Background technology
The problem that traditional larger bunker scale verification of range is present：Traditional larger bunker scale of range manually verifies presence
Problem：Not in time；Speed is slow；Only verify the precision of the fraction with the full scale of a small amount of counterweight equivalent, full scale or conventional point
It is uncertain；Verification can not take into account with using process；Muscle power is carried counterweight personnel and there is personal injury risk；Verification high cost.With
The closest technical scheme of the present invention：The manually operated multiple electric screws of calibration technology personnel or electric hydraulic push rod add unloads counterweight,
Only verify the sub-fraction with the full scale of counterweight equivalent.
The shortcoming of the existing artificial counterweight calibration technology of the larger bunker scale of range：Not in time；Speed is slow；Only verify and a small amount of weight
The fraction of the full scale of code equivalent, the precision of full scale not can confirm that；Verification can not take into account with using process；Muscle power carries weight
There is personal injury risk in code personnel；Verification high cost.
The content of the invention
To overcome the deficiency, it is an object of the invention to provide a kind of on-line automatic school of the bunker scale based on a small amount of counterweight
Proved recipe method, be capable of achieving in time, can simultaneously all hoppers are claimed automatic rapid verification, a small amount of counterweight full scale reliably verification, verification
With using process simultaneously carry out automatically, checking procedure not manually participate in, verification the low purpose of cost.
The technical solution adopted for the present invention to solve the technical problems is：A kind of hopper based on a small amount of counterweight is on-line automatic
Method of calibration, comprises the following steps：
Step one, with kind and the minimum counterweight test repeatability such as 0.1 times of the F of title scale division value e, tool of full scale 50%
Body step sees below：
(1) the weighing object that will be greater than 50% full scale is put into hopper, scale display X, places 0.1e on hopper one by one
Miniweights, until display X+e, now additional miniweights aggregate-value is △ 1, then releases and weighs in kind and take down the miniweights of △ 1,
Back to zero；
(2) object will be weighed again to be put into hopper, show X, the miniweights of 0.1e is placed on hopper one by one, until aobvious
Show X+e, now additional miniweights aggregate-value is △ 2, back to zero；
(3) above procedure is repeated 3 times, and calculates repeatability error δ=△ max- △ min.
Step 2, according to reperformance test result, calculates counterweight loading number of times and verification counterweight amount, calculates bunker scale
Scale division value e, repeatability error δ, relative error △, range R, counterweight select M1 grades, and n sections, i.e. counterweight loading are divided by full scale etc.
Frequency n, verification counterweight amount W=R/n；
The M1 grades of relative error of counterweight 0.015%, is superimposed n itself accumulation absolute error 0.015%R of counterweight, maximum
Repeatability error accumulated value n δ≤e, the worst error=0.015%R+e of calibration equipment system, according to verification regulatory requirements, 3
(0.015%R+e)≤△ R, i.e., 3 (0.015%R+n δ)≤△ R, n≤(△/3-0.015%) R/ δ；
Step 3, loads counterweight number of times and verification counterweight amount is set in on-line automatic verification weighing procedures；
Step 4, according to verification counterweight amount, configures counterweight and its lifting electric pushrod, the electricity around bunker scale
Dynamic push rod is set to electric screw push rod or electric drive hydraulic thruster；
Step 5, is weighed object blanking definite value automatic control system by the insertion of electric pushrod electric signal is original, composition
The on-line automatic check system of bunker scale based on a small amount of counterweight；
Step 6, hopper blowing or repairing finish, will be weighed object blanking definite value automatic control system switch to it is online from
Dynamic checking mode, and start " a key school scale " button；
Step 7, check results are normal, automatically restore to definite value automatic blanking pattern；Otherwise, prompting is reported for repairment, notifies relevant
Post, change standby storehouse.
When bunker scale do not feed definite value automatic control system or without it is to be fed when occasion when, set up special long-range control
Portal is set up in bunker scale augmentor processed, such as square on a sensor hopper load-bearing ear top, in portal crossbeam and load-bearing
Synchronous motor-driven jack is set up between ear and does counterweight substitute, the lower margin of portal two is fixed on a platform with sensor lower margin
On, other goals of the invention in addition to reaching except verification and using synchronizing function.
The invention has the advantages that：Substitute is done using object is weighed, it is convenient and practical；Calibration equipment is embedded into
It is original to be weighed in object blanking definite value automatic control system, make verification with using synchronously carry out, verification on using influence it is small；School
Test in time；Automatic rapid verification can be claimed to a collection of hopper simultaneously；Based on counterweight verification, and can full scale verification, visual result can
Lean on；Long-term overall calibration low cost, small investment；Avoid muscle power from carrying counterweight personnel and there is personal injury.
Brief description of the drawings
Fig. 1 is flow chart of the invention.
Fig. 2 is structural representation of the invention.
In figure, 1
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.
Embodiment 1
The on-line automatic method of calibration of a kind of hopper based on a small amount of counterweight according to Fig. 1, Fig. 2, comprises the following steps：
Step one, with kind and the minimum counterweight test repeatability such as 0.1 times of the F of title scale division value e, tool of full scale 50%
Body step sees below：
(1) the weighing object that will be greater than 50% full scale is put into hopper, scale display X, places 0.1e on hopper one by one
Miniweights, until display X+e, now additional miniweights aggregate-value is △ 1, then releases and weighs in kind and take down the miniweights of △ 1,
Back to zero；
(2) object will be weighed again to be put into hopper, show X, the miniweights of 0.1e is placed on hopper one by one, until aobvious
Show X+e, now additional miniweights aggregate-value is △ 2, back to zero；
(3) above procedure is repeated 3 times, and calculates repeatability error δ=△ max- △ min.
Step 2, according to reperformance test result, calculates counterweight loading number of times and verification counterweight amount.Calculate bunker scale
Scale division value e, repeatability error δ, relative error △, range R, counterweight select M1 grades, and n sections, i.e. counterweight loading are divided by full scale etc.
Frequency n, verification counterweight amount W=R/n；
The M1 grades of relative error of counterweight 0.015%, is superimposed n itself accumulation absolute error 0.015%R of counterweight, maximum
Repeatability error accumulated value n δ≤e, the worst error=0.015%R+e of calibration equipment system, according to verification regulatory requirements, 3
(0.015%R+e)≤△ R, i.e., 3 (0.015%R+n δ)≤△ R, n≤(△/3-0.015%) R/ δ；
Step 3, loads counterweight number of times and verification counterweight amount is set in on-line automatic verification weighing procedures；
Step 4, according to verification counterweight amount, configures counterweight and its lifting electric pushrod, the electricity around bunker scale
Dynamic push rod is set to electric screw push rod or electric drive hydraulic thruster；
Step 5, is weighed object blanking definite value automatic control system by the insertion of electric pushrod electric signal is original, composition
The on-line automatic check system of bunker scale based on a small amount of counterweight；
Step 6, hopper blowing or repairing finish, will be weighed object blanking definite value automatic control system switch to it is online from
Dynamic checking mode, and start " a key school scale " button.
Step 7, check results are normal, automatically restore to definite value automatic blanking pattern；Otherwise, prompting is reported for repairment, notifies relevant
Post, change standby storehouse.
Its verification principle：Object is weighed as material with the normal bulk of bunker scale, using bunker scale and its it is original under anticipate
Value automatic control system, duplication weight is equal with known a small amount of counterweight, and precision is replaced with bunker scale repeatability precision identical counterweight
For thing, and known a small amount of counterweight is added on its substitute using electric pushrod, then by the electric pushrod with it is original under
Anticipate value automatic control system interaction chain, progressively accumulation counterweight substitute, realizes and for a small amount of counterweight to be changed into full scale counterweight
Target, solve the problems, such as with a small amount of counterweight it is on-line automatic verification bunker scale full scale or actually used amount, meet at any time, soon
Fast automatic, reliability, full scale, checking procedure are synchronous with using process, the requirement of low cost verification bunker scale.
Embodiment 2
The on-line automatic method of calibration of a kind of hopper based on a small amount of counterweight according to Fig. 2, when bunker scale does not feed
Definite value automatic control system or without it is to be fed when occasion when, set up special remote control bunker scale augmentor, such as pass
Portal is set up in hopper load-bearing ear top above sensor, and synchronous motor-driven jack is set up between portal crossbeam and load-bearing ear
Counterweight substitute is done, the lower margin of portal two and sensor lower margin are fixed on a platform, reach except verification and use synchronous work(
Other goals of the invention beyond energy.
Heretofore described on-line automatic verification refers to using bunker scale to be weighed object or motor-driven jack makees counterweight
Substitute, checking procedure is simultaneously automatically controlled while carrying out with normal blanking definite value.A small amount of counterweight refers to that verification counterweight consumption is less than
Or equal to 1/3rd of bunker scale full scale.
The present invention is not limited to the implementation method, and anyone should learn that the structure made under enlightenment of the invention becomes
Change, it is every with of the invention with same or like technical scheme, each fall within protection scope of the present invention.
The technology not described in detail of the invention, shape, construction part are known technology.
Claims (4)
1. the on-line automatic method of calibration of a kind of hopper based on a small amount of counterweight, it is characterised in that：Comprise the following steps：
Step one, with the in kind and minimum counterweight test repeatability such as 0.1 times of the F of title scale division value e of full scale 50%；
Step 2, according to reperformance test result, calculates counterweight loading number of times and verification counterweight amount；
Step 3, loads counterweight number of times and verification counterweight amount is set in on-line automatic verification weighing procedures；
Step 4, according to verification counterweight amount, counterweight is configured around bunker scale and its electronic spiral handspike is used in lifting；
Step 5, by electric pushrod electric signal insertion it is original be weighed object blanking definite value automatic control system, composition is based on
The on-line automatic check system of bunker scale of a small amount of counterweight；
Step 6, hopper blowing or repairing are finished, and will be weighed object blanking definite value automatic control system and are switched to on-line automatic school
Pattern is tested, and starts " a key school scale " button.
Step 7, check results are normal, automatically restore to definite value automatic blanking pattern；Otherwise, prompting is reported for repairment, notifies relevant hilllock
Position, change standby storehouse.
2. the on-line automatic method of calibration of a kind of hopper based on a small amount of counterweight according to claim 1, it is characterised in that：Step
The specific steps of test repeatability see below in rapid one：
(1) the weighing object that will be greater than 50% full scale is put into hopper, scale display X, places the small weights of 0.1e on hopper one by one
Code, until display X+e, now additional miniweights aggregate-value is △ 1, then releases and weighs in kind and take down the miniweights of △ 1, is returned
Zero；
(2) object will be weighed again to be put into hopper, show X, place the miniweights of 0.1e on hopper one by one, until display X+
E, now additional miniweights aggregate-value is △ 2, back to zero；
(3) above procedure is repeated 3 times, and calculates repeatability error δ=△ max- △ min.
3. the on-line automatic method of calibration of a kind of hopper based on a small amount of counterweight according to claim 1, it is characterised in that：Institute
State electric pushrod and be set to electric screw push rod or electric drive hydraulic thruster.
4. the on-line automatic method of calibration of a kind of hopper based on a small amount of counterweight according to claim 1, it is characterised in that：Increase
If special remote control bunker scale augmentor, portal is set up in square hopper load-bearing ear top on a sensor, in portal
Synchronous motor-driven jack is set up between crossbeam and load-bearing ear and does counterweight substitute, the lower margin of portal two is fixed on sensor lower margin
On one platform.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710190260.3A CN106908133B (en) | 2017-03-28 | 2017-03-28 | A kind of on-line automatic method of calibration of bunker scale based on a small amount of counterweight |
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| CN201710190260.3A CN106908133B (en) | 2017-03-28 | 2017-03-28 | A kind of on-line automatic method of calibration of bunker scale based on a small amount of counterweight |
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| CN106908133A true CN106908133A (en) | 2017-06-30 |
| CN106908133B CN106908133B (en) | 2019-09-10 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107271019A (en) * | 2017-07-21 | 2017-10-20 | 山东钢铁集团日照有限公司 | A kind of belt scale weight method of calibration of equivalent physical goods inspection |
| CN107894274A (en) * | 2017-12-28 | 2018-04-10 | 广西玉柴机器股份有限公司 | One kind ensures to cast the accurate calibration method of material weighing and calibrating installation |
| CN109489793A (en) * | 2017-09-13 | 2019-03-19 | 河北银隆新能源有限公司 | Automatic auxiliary calibration device for lithium battery feeding system |
| CN109668616A (en) * | 2018-11-06 | 2019-04-23 | 杭州钱江称重技术有限公司 | One kind is automatically without weight calibrating device |
| CN111854914A (en) * | 2020-07-24 | 2020-10-30 | 曹妃甸港矿石码头股份有限公司 | Automatic scale calibration method for weighing system of ore bulk material loading building |
| CN112345056A (en) * | 2020-10-13 | 2021-02-09 | 河钢股份有限公司承德分公司 | Method for calibrating and verifying precision of decrement scale by substitute |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107271019A (en) * | 2017-07-21 | 2017-10-20 | 山东钢铁集团日照有限公司 | A kind of belt scale weight method of calibration of equivalent physical goods inspection |
| CN107271019B (en) * | 2017-07-21 | 2019-08-06 | 山东钢铁集团日照有限公司 | A kind of belt scale weight method of calibration of equivalent physical goods inspection |
| CN109489793A (en) * | 2017-09-13 | 2019-03-19 | 河北银隆新能源有限公司 | Automatic auxiliary calibration device for lithium battery feeding system |
| CN107894274A (en) * | 2017-12-28 | 2018-04-10 | 广西玉柴机器股份有限公司 | One kind ensures to cast the accurate calibration method of material weighing and calibrating installation |
| CN109668616A (en) * | 2018-11-06 | 2019-04-23 | 杭州钱江称重技术有限公司 | One kind is automatically without weight calibrating device |
| CN111854914A (en) * | 2020-07-24 | 2020-10-30 | 曹妃甸港矿石码头股份有限公司 | Automatic scale calibration method for weighing system of ore bulk material loading building |
| CN112345056A (en) * | 2020-10-13 | 2021-02-09 | 河钢股份有限公司承德分公司 | Method for calibrating and verifying precision of decrement scale by substitute |
| CN112345056B (en) * | 2020-10-13 | 2022-07-22 | 河钢股份有限公司承德分公司 | Method for calibrating and verifying precision of decrement scale by substitute |
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| CN106908133B (en) | 2019-09-10 |
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Address after: 276800 Shandong Province, Rizhao City Arashiyama District Shugang Avenue Applicant after: SHANDONG IRON AND STEEL GROUP RIZHAO CO., LTD. Address before: 276800 Ji'nan Road, Donggang District, Shandong, No. 396, No. Applicant before: SHANDONG IRON AND STEEL GROUP RIZHAO CO., LTD. |
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