CN107543597A - Punching belt conveyer scale and its weighing technique - Google Patents
Punching belt conveyer scale and its weighing technique Download PDFInfo
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- CN107543597A CN107543597A CN201610476950.0A CN201610476950A CN107543597A CN 107543597 A CN107543597 A CN 107543597A CN 201610476950 A CN201610476950 A CN 201610476950A CN 107543597 A CN107543597 A CN 107543597A
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- punching
- belt conveyer
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G11/00—Apparatus for weighing a continuous stream of material during flow; Conveyor belt weighers
- G01G11/14—Apparatus for weighing a continuous stream of material during flow; Conveyor belt weighers using totalising or integrating devices
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- Control Of Conveyors (AREA)
Abstract
The invention discloses a kind of punching belt conveyer scale and its weighing technique, solves the problems, such as that existing belt claims the existing accuracy of measuring low and stability difference, is included in belt conveyer（1）On be provided with velocity sensor（3）, in belt conveyer（1）Belt conveyor on conveying have conveying material（6）, in belt conveyer（1）Head drum（2）Front be provided with load and weighing cell frame（8）, in load and weighing cell frame（8）On load and weighing cell is installed（4）, in load and weighing cell（4）Dynamometry end punching is installed（5）, load and weighing cell（4）And velocity sensor（3）Respectively with weighing instrument（7）It is electrically connected.The present invention realizes the accurate metering to the bulk material doses of Belt Conveying with simple structure.
Description
Technical field
The present invention relates to a kind of belt conveyer scale, more particularly to a kind of belt conveyer scale that belt conveyor to bulk material stablize to metering after dynamometry punching is combined.
Background technology
At present, the mode of movement of bulk material is mainly conveyed by belt conveyor, metering to belt conveyor conveying material is mainly to be measured by belt conveyer scale, belt conveyer scale is arranged on belt feeder, belt roller group is arranged on electronic belt scale, idler machining supports belt conveyor, weighing sensor is installed on electronic belt scale, and a velocity sensor is installed, two kinds of sensors measure the weight of material and the speed of material operation on scale frame respectively, then the flow of material is calculated by measuring instrument, the cumulant of material is obtained by integration.But the belt conveyer scale of this measuring principle, due to the tension force of belt conveyor, pliability, length etc. can over time, environment temperature, convey the change of mass flow and change, it is low the accuracy of measuring to be present, the defects of stability difference.
The content of the invention
The invention provides a kind of punching belt conveyer scale and its weighing technique, solves existing belt and claims the technical problem that the existing accuracy of measuring is low and stability is poor.
A kind of punching belt conveyer scale, including belt conveyer, velocity sensor is provided with belt conveyer, conveying has conveying material on the belt conveyor of belt conveyer, load and weighing cell frame is provided with front of the head drum of belt conveyer, load and weighing cell is installed in load and weighing cell frame, punching is installed at the dynamometry end of load and weighing cell, load and weighing cell and velocity sensor are electrically connected with weighing instrument respectively.
The upper end of punching is provided in above the upper end contour line of the impact material flow formed when conveying material impacts from the head of belt conveyer to punching, the lower end of punching is provided in below the lower end contour line of the impact material flow formed when conveying material impacts from the head of belt conveyer to punching, and the width of punching is more than the width of the belt conveyor on belt conveyer.
The number of degrees of the inclination alpha of belt conveyer are minus 30 degree to positive 30 degree.
Buffering grid is provided with the shock surface of punching.
Punching is the arc that cross section is C-shaped.
Punching is the trough plate that cross section is U-shaped.
Explosion-proof casing is provided with load and weighing cell, explosion-proof casing is provided with velocity sensor, explosion-proof casing is provided with weighing instrument, the cable for connecting sensor and weighing instrument is flame retardant cable.
A kind of weighing technique of punching belt conveyer scale, comprises the following steps：
The first step, velocity sensor is set on belt conveyer, conveying material is set on the belt conveyor of belt conveyer, in the front of the head drum of belt conveyer, load and weighing cell frame is set, load and weighing cell is installed in load and weighing cell frame, punching is installed at the dynamometry end of load and weighing cell, load and weighing cell and velocity sensor are electrically connected with weighing instrument respectively；
Second step, set：F is the reaction force for the horizontal component that the load and weighing cell installed on punching measures impulse force, and Δ T is the time of conveying material impact punching, and conveying material impacts punching in Δ T time, and the formula of momentum is calculated according to impulse force can calculate momentum I：I=-F × Δ T；
If：M is the gross mass of the impact material passed through after the conveying material impact punching in Δ T time, v is the belt speed of service on the belt conveyer that velocity sensor measures, α is the level inclination of belt conveyer, v1 is the horizontal component of speed when conveying material leaves belt conveyer, that is v1=v × cos α, after v2 is conveying material impact to punching, impact the horizontal component of the speed of material, v2=0, conveying material impacts punching in Δ T time, and the formula of momentum is calculated according to momentum change and can calculate momentum I：I=m × (v2-v1)；Two formula more than, derive balanced type：F × Δ T=m × v × cos α；
3rd step, set：M is the quality of material of unit length of the conveying material on the belt conveyor of belt conveyer, and the gross mass that conveying material impacts punching in Δ T time is：m= M×v×ΔT；If：Q is the flow of the impact material of conveying material impact punching, then Q=v × M, obtains m=Q × Δ T；
4th step, the formula that the balanced type that second step obtains obtains with the 3rd step merged, obtain conveying the flow Q of the impact material on material impact to punching：Q=F/(v×cosα)；
The flow Q for the impact material that 5th step, weighing instrument obtain to the 4th step carries out integral operation, obtains the material total amount after the impact punching that belt conveyer transfers out.
The present invention realizes the accurate metering to the bulk material doses of Belt Conveying with simple structure, and maintenance cost is low, service life length, avoids influence of the factors to Weighing.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Embodiment
The present invention is described in detail below in conjunction with the accompanying drawings：
A kind of punching belt conveyer scale, including belt conveyer 1, velocity sensor 3 is provided with belt conveyer 1, conveying has conveying material 6 on the belt conveyor of belt conveyer 1, the front of the head drum 2 of belt conveyer 1 is provided with load and weighing cell frame 8, load and weighing cell 4 is installed in load and weighing cell frame 8, punching 5 is installed at the dynamometry end of load and weighing cell 4, load and weighing cell 4 and velocity sensor 3 are electrically connected with weighing instrument 7 respectively.
The upper end of punching 5 is provided in above the upper end contour line of the impact material flow formed when conveying material 6 impacts from the head of belt conveyer 1 to punching 5, the lower end of punching 5 is provided in below the lower end contour line of the impact material flow formed when conveying material 6 impacts from the head of belt conveyer 1 to punching 5, and the width of punching 5 is more than the width of the belt conveyor on belt conveyer 1.
The number of degrees at the inclination angle 9 of belt conveyer 1 are minus 30 degree to positive 30 degree.
Buffering grid is provided with the shock surface of punching 5, to reach the service life for extending punching 5.
Punching 5 is the arc that cross section is C-shaped, plays a part of convergence impact material flow, improves the degree of accuracy of metering.
Punching 5 is the trough plate that cross section is U-shaped.
Explosion-proof casing is provided with load and weighing cell 4, explosion-proof casing is provided with velocity sensor 3, explosion-proof casing is provided with weighing instrument 7, the cable of connection sensor and weighing instrument 7 is flame retardant cable, the present invention is reliably used in explosive environments.
A kind of weighing technique of punching belt conveyer scale, comprises the following steps：
The first step, velocity sensor 3 is set on belt conveyer 1, conveying material 6 is set on the belt conveyor of belt conveyer 1, in the front of the head drum 2 of belt conveyer 1, load and weighing cell frame 8 is set, load and weighing cell 4 is installed in load and weighing cell frame 8, punching 5 is installed at the dynamometry end of load and weighing cell 4, load and weighing cell 4 and velocity sensor 3 are electrically connected with weighing instrument 7 respectively；
Second step, set：F is the reaction force for the horizontal component that the load and weighing cell 4 installed on punching 5 measures impulse force, and Δ T is the time that conveying material 6 impacts punching 5, and conveying material 6 impacts punching 5 in Δ T time, and the formula of momentum is calculated according to impulse force can calculate momentum I：I=-F × Δ T；
If：The gross mass for the impact material that m is passed through to convey material 6 to impact after punching 5 in Δ T time, v is the belt speed of service on the belt conveyer 1 that velocity sensor 3 measures, α is the level inclination of belt conveyer 1, v1 is the horizontal component of speed when conveying material 6 leaves belt conveyer 1, that is v1=v × cos α, after v2 impacts punching 5 for conveying material 6, impact the horizontal component of the speed of material, v2=0, conveying material 6 impacts punching 5 in Δ T time, and the formula of momentum is calculated according to momentum change and can calculate momentum I：I=m × (v2-v1)；Two formula more than, derive balanced type：F × Δ T=m × v × cos α；
3rd step, set：M is the quality of material of unit length of the conveying material 6 on the belt conveyor of belt conveyer 1, and the gross mass that conveying material 6 impacts punching 5 in Δ T time is：m= M×v×ΔT；If：Q is the flow for the impact material that conveying material 6 impacts punching 5, then Q=v × M, obtains m=Q × Δ T；
4th step, the formula that the balanced type that second step obtains obtains with the 3rd step merged, obtain conveying the flow Q that material 6 impacts the impact material on punching 5：Q=F/(v×cosα)；
The flow Q for the impact material that 5th step, weighing instrument 7 obtain to the 4th step carries out integral operation, obtains the material total amount after the impact punching 5 that belt conveyer 1 transfers out.
The present invention is with the structure of simple, reliable and stable punching dynamometry, avoiding belt and deserving to be called influences its mechanical structure factor accurately measured, become measured weight to survey impulse force, realize the irrealizable stability weighed of conventional belt scale, be adapted to the accurate metering to various bulk materials.
Claims (8)
1. a kind of punching belt conveyer scale, including belt conveyer（1）, in belt conveyer（1）On be provided with velocity sensor（3）, in belt conveyer（1）Belt conveyor on conveying have conveying material（6）, it is characterised in that in belt conveyer（1）Head drum（2）Front be provided with load and weighing cell frame（8）, in load and weighing cell frame（8）On load and weighing cell is installed（4）, in load and weighing cell（4）Dynamometry end punching is installed（5）, load and weighing cell（4）And velocity sensor（3）Respectively with weighing instrument（7）It is electrically connected.
A kind of 2. punching belt conveyer scale according to claim 1, it is characterised in that punching（5）Upper end be provided in conveying material（6）From belt conveyer（1）Head to punching（5）Above the upper end contour line of the impact material flow formed during impact, punching（5）Lower end be provided in conveying material（6）From belt conveyer（1）Head to punching（5）Below the lower end contour line of the impact material flow formed during impact, punching（5）Width be more than belt conveyer（1）On belt conveyor width.
A kind of 3. punching belt conveyer scale according to claim 1, it is characterised in that belt conveyer（1）Inclination alpha（9）The number of degrees be minus 30 degree to positive 30 degree.
4. a kind of punching belt conveyer scale according to claim 1, it is characterised in that in punching（5）Shock surface on be provided with buffering grid.
A kind of 5. punching belt conveyer scale according to claim 1, it is characterised in that punching（5）It is the arc that cross section is C-shaped.
A kind of 6. punching belt conveyer scale according to claim 1, it is characterised in that punching（5）It is the trough plate that cross section is U-shaped.
7. a kind of punching belt conveyer scale according to claim 1, it is characterised in that in load and weighing cell（4）On be provided with explosion-proof casing, in velocity sensor（3）On be provided with explosion-proof casing, in weighing instrument（7）On be provided with explosion-proof casing, connect sensor and weighing instrument（7）Cable be flame retardant cable.
8. a kind of weighing technique of punching belt conveyer scale, comprises the following steps：
The first step, in belt conveyer（1）Upper setting velocity sensor（3）, in belt conveyer（1）Belt conveyor on set conveying material（6）, in belt conveyer（1）Head drum（2）Front set load and weighing cell frame（8）, in load and weighing cell frame（8）Upper installation load and weighing cell（4）, in load and weighing cell（4）Dynamometry end installation punching（5）, by load and weighing cell（4）And velocity sensor（3）Respectively with weighing instrument（7）It is electrically connected；
Second step, set：F is punching（5）The load and weighing cell of upper installation（4）The reaction force of the horizontal component of impulse force is measured, Δ T is conveying material（6）Impact punching（5）Time, convey material（6）Punching is impacted in Δ T time（5）, the formula of momentum is calculated according to impulse force can calculate momentum I：I=-F × Δ T；
If：M is to convey material in Δ T time（6）Impact punching（5）The gross mass of the impact material passed through afterwards, v is velocity sensor（3）The belt conveyer measured（1）On the belt speed of service, α is belt conveyer（1）Level inclination, v1 for conveying material（6）Leave belt conveyer（1）Shi Sudu horizontal component, i.e. v1=v × cos α, v2 are conveying material（6）Impact punching（5）Afterwards, the horizontal component of the speed of material is impacted, v2=0, conveys material（6）Punching is impacted in Δ T time（5）, the formula of momentum is calculated according to momentum change can calculate momentum I：I=m × (v2-v1)；Two formula more than, derive balanced type：F × Δ T=m × v × cos α；
3rd step, set：M is conveying material（6）In belt conveyer（1）Belt conveyor on unit length quality of material, convey material（6）Punching is impacted in Δ T time（5）Gross mass be：m= M×v×ΔT；If：Q is conveying material（6）Impact punching（5）Impact material flow, then Q=v × M, obtains m=Q × Δ T；
4th step, the formula that the balanced type that second step obtains obtains with the 3rd step merged, obtain conveying material（6）Impact punching（5）On impact material flow Q：Q=F/(v×cosα)；
5th step, weighing instrument（7）The flow Q of the impact material obtained to the 4th step carries out integral operation, obtains belt conveyer（1）The impact punching transferred out（5）Material total amount afterwards.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610476950.0A CN107543597A (en) | 2016-06-27 | 2016-06-27 | Punching belt conveyer scale and its weighing technique |
| PCT/CN2017/000398 WO2018000802A1 (en) | 2016-06-27 | 2017-06-22 | Impact plate belt scale and weighing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610476950.0A CN107543597A (en) | 2016-06-27 | 2016-06-27 | Punching belt conveyer scale and its weighing technique |
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| Publication Number | Publication Date |
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| CN107543597A true CN107543597A (en) | 2018-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610476950.0A Pending CN107543597A (en) | 2016-06-27 | 2016-06-27 | Punching belt conveyer scale and its weighing technique |
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| Country | Link |
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| CN (1) | CN107543597A (en) |
| WO (1) | WO2018000802A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109238411B (en) * | 2018-10-31 | 2024-04-09 | 徐州汇德电气科技有限公司 | Double-fulcrum high-precision electronic belt scale |
| AT523415B1 (en) * | 2020-08-05 | 2021-08-15 | Ape Man Gmbh | DEVICE FOR DETERMINING AT LEAST ONE PRESCRIBED PHYSICAL PROPERTY OF GOODS IN A MATERIAL FLOW |
| CN112985551A (en) * | 2021-02-06 | 2021-06-18 | 安徽新华学院 | Electronic belt scale electrical parameter testing method based on virtual instrument |
| CN113884167B (en) * | 2021-09-15 | 2024-03-01 | 湖南库特智能科技有限公司 | Working capacity metering method and system for mobile crusher |
| CN114858261A (en) * | 2022-05-12 | 2022-08-05 | 重庆钢铁股份有限公司 | Calibration device and calibration method for belt weigher |
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| US5698794A (en) * | 1995-12-19 | 1997-12-16 | Thermo Sentron, Inc. | Impact flowmeter for solids |
| CN1196477A (en) * | 1997-04-15 | 1998-10-21 | 黄敏成 | Method and device for measuring flow of solid material |
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2016
- 2016-06-27 CN CN201610476950.0A patent/CN107543597A/en active Pending
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2017
- 2017-06-22 WO PCT/CN2017/000398 patent/WO2018000802A1/en active Application Filing
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2136461Y (en) * | 1992-09-04 | 1993-06-16 | 丁铁桥 | Hanging vertical impact plate type flowmeter |
| JPH10142016A (en) * | 1996-11-15 | 1998-05-29 | Sankyo Paioteku Kk | Flow meter for powdery particles |
| CN2377523Y (en) * | 1999-02-23 | 2000-05-10 | 杨清萍 | Solid flowmeter of impact plate type |
| CN101266160A (en) * | 2008-05-01 | 2008-09-17 | 太原理工大学 | Continuous dynamic intelligent metering mechanism |
| CN103453945A (en) * | 2013-07-15 | 2013-12-18 | 山西新元自动化仪表有限公司 | Flowmeter |
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| WO2018000802A1 (en) | 2018-01-04 |
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