CN208653601U - High-precision and high-stability belted electronic balance - Google Patents
High-precision and high-stability belted electronic balance Download PDFInfo
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- CN208653601U CN208653601U CN201820492989.6U CN201820492989U CN208653601U CN 208653601 U CN208653601 U CN 208653601U CN 201820492989 U CN201820492989 U CN 201820492989U CN 208653601 U CN208653601 U CN 208653601U
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Abstract
The utility model relates to a kind of high-precision and high-stability belted electronic balances, by weighing unit, scale body and crossbeam composition, the weighing unit includes weighing carrier roller, roller rack and weighing sensor, the weighing carrier roller is fixed on the roller rack, the roller rack is fixed on the scale body, and the roller rack both ends are fixed in belt feeder rack beyond scale body both ends part, the weighing sensor includes the first weighing sensor and the second weighing sensor, first weighing sensor and the second weighing sensor are symmetrically mounted on inside the crossbeam both ends, first weighing sensor and the second weighing sensor pass through module fixing piece respectively and are fixed in the crossbeam；The utility model structure is simple, is easily installed, and has the features such as high-precision, high stability.
Description
Technical field
The utility model relates to a kind of electronic weighing devices, and in particular to a kind of high-precision and high-stability belted electronic balance.
Background technique
Belted electronic balance is the ideal equipment for carrying out continuous metering in belt conveyor system to loose unpacked material, belted electronic balance
Have many advantages, such as that structure is simple, weigh accurately, using stabilization, easy to operate, maintenance less, Yu Yejin, electric power, coal should be answered extensively
The industries such as charcoal, mine, harbour, chemical industry, building materials, however also there are many problems in actual application in weighing belt, dynamic
Metering has large error always compared with static weighing, how to reduce dynamic measuring error this little problem and does not have always
It is well solved, to find out its cause, the predominantly following:
1. the effect precision and service precision of weighing belt
The regulation of International Legal Organization (OIML) R50 at present, the highest accuracy of weighing belt are 0.5%.Is produced from the country
Product are it is proposed that 0.25% class of accuracy, but in actual use, this accuracy is extremely difficult to, finally in 2008
In GB/T7721-2008, integrate with international accuracy, with 0.5% for highest class of accuracy；
But compared with the accuracy (being roughly equivalent to 0.1%) that bucket claims, the error of weighing belt is very big, in certain industries
As trade settlement, this accuracy is not acceptable.So the accuracy of weighing belt should improve；
It is actually only that 0.5% accuracy of measuring is also required to a large amount of manpower, material resources, the maintenance made nothing of hardships daily
It can be guaranteed.So that user puts into great effort in the daily maintenance of weighing belt.
2. belt tension changes
Conventional belt scale will be equipped with the weighing gantry of load transducer, be installed on the stringer of conveyer, weigh on gantry
Weighing carrier roller, detect the weight of material on belt, generate the electrical output for being proportional to belt load.Velocity pick-up
Device is directly associated on driven roller or on the carrying roller of major diameter, provides a series of pulses.Integrator is from load transducer and speed
It spends sensor and receives output signal, electronically belt movement is multiplied with belt load, by the calculating to the time, generate
One instantaneous flow value and accumulative gross weight.Accumulative gross weight and instantaneous flow are converted into selected engineering unit, respectively in display
On show.It is understood that weighing belt is exactly to carry out weight to the material by metering section during belt-conveying to add up,
Weighing belt is mounted under belt, and material is on conveyor belt, and belt is as transmission medium between weighing belt and material.Skin
Band paves the variation of the uniformity with material, and the variation of temperature and humidity, belt tension also constantly changes, since weighing belt can not be straight
Weighing material is connect, so the variation of belt tension directly affects the accuracy of weight of material transmitting, belt scale metering is caused to miss
Difference, long-time stability cannot be guaranteed.
Utility model content
In view of the problems of the existing technology, the utility model proposes high-precision and high-stability belted electronic balances.
The utility model solves the technical solution of the above technical problem: high-precision and high-stability belted electronic balance is provided, by
Weighing unit, scale body and crossbeam composition, several described weighing units include weighing carrier roller, roller rack and weighing sensor,
The weighing carrier roller is fixed on the roller rack, and the roller rack is fixed on the scale body, and the carrying roller branch
Frame both ends are fixed in belt feeder rack beyond scale body both ends part, the framework knot that the scale body is made of scale frame and connecting plate
Structure is provided with the crossbeam between weighing carrier roller described in every two, and the weighing carrier roller includes bottom supporting roller and side carrying roller, institute
It states bottom supporting roller and roller rack is horizontally disposed, the side carrying roller is symmetrically disposed on bottom supporting roller both ends, and the side
The inclination upwards respectively of carrying roller outer end, is equipped with belt on the bottom supporting roller and side carrying roller；
The weighing sensor include the first weighing sensor and the second weighing sensor, first weighing sensor and
Second weighing sensor is symmetrically mounted on inside the crossbeam both ends, and the crossbeam is all fixed on the scale body, and its two
End is fixed in belt feeder rack by connecting plate, the frame that the crossbeam is made of upper beam plate, lower beam plate and side plate of crossbeam
Body structure, first weighing sensor and the second weighing sensor pass through module fixing piece respectively and are fixed in the crossbeam,
The module fixing piece includes upper module fixing piece and lower module fixing piece, and the upper module fixing piece and lower module fixing piece divide
Be not fixedly connected by the way that screw is corresponding with upper beam plate and lower beam plate, first weighing sensor both ends respectively with corresponding end
Upper module fixing piece connected with lower module fixing piece, second weighing sensor both ends are solid with the upper module of corresponding end respectively
Determine part to connect with lower module fixing piece.
The technical solution that the utility model further limits are as follows:
At least 2 groups of weighing unit above-mentioned.
First weighing sensor above-mentioned both ends are rigid with the upper module fixing piece of corresponding end and lower module fixing piece respectively
Connection.
Second weighing sensor above-mentioned both ends are flexible with the upper module fixing piece of corresponding end and lower module fixing piece respectively
Connection.
It is above-mentioned to be symmetrically arranged with fixed gusset, fixed gusset setting position and each corresponding end lower module in lower beam board bottom portion
Fixing piece position coincides, and fixed gusset is fixedly connected by reinforcing rib with the scale frame of corresponding end.
Above-mentioned further includes temperature sensor and field signal acquisition device, and temperature sensor is symmetrically mounted in crossbeam, existing
Field signal collector is mounted in belt feeder rack, and temperature sensor and field signal acquisition device are all comprehensive with computer respectively
Processor connection is closed, field signal acquisition device is also connected with weighing sensor.
Crossbeam above-mentioned is made of special steel construction profile.
The utility model has the beneficial effects that the utility model crossbeam is made of special steel construction profile, guarantee its weighting platform
Intensity, while making force acting on transducer more accurate, rigid good, it is non-maintaining；First weighing sensor and the second weighing sensor
Be symmetrically mounted on inside the crossbeam both ends, wherein the first weighing sensor both ends respectively with the upper module fixing piece of corresponding end and
The rigid connection of lower module fixing piece, the second weighing sensor both ends are fixed with the upper module fixing piece and lower module of corresponding end respectively
Part flexible connection when there is stream wild effect, can be flexibly connected when material is run above title body by sensor,
It is automatic to guarantee to claim body stability, improve weighing accuracy；
The utility model is when sensor is installed, because the stress deformation of the generations such as bolt fastening, installation is in flexible connection point
Position obtains fitting and put, and voluntarily eliminates the internal stress between two sensors；Body is claimed to be made of title frame and connecting plate, link position
It can carry out micro adjustment to fix, reduce because welding, installing the stress of generation, and can guarantee that it claims body rigid；
Since the variation of temperature is also to directly affect the principal element of tension variation, by temperature sensor, to making
It is measured with the temperature at scene, the different stress that different temperatures is generated compensate, to further eliminate belt
Influence of the power to measuring accuracy；
Each weighing unit influences each other under belt tension effect, is converted to the analog signal of acquisition in signal picker
Digital signal is simultaneously calculated, and terminal computer processing system is subsequently sent to, by the powerful processing capacity of computer to scale
Volume data analyze and and after field signal acquisition device carries out data interaction by computer calculating, mutual shadow between each unit
Sound can be eliminated, and a kind of " internal force " is become, by the variation of belt tension be confined to array out, enter at unit.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the structural schematic diagram of the crossbeam of the utility model；
Fig. 3 is the utility model principle flow chart.
Specific embodiment
Embodiment 1
The present embodiment provides high-precision and high-stability belted electronic balances, and structure is as shown in Figs. 1-2, by 2 weighing units, scales
Body 2, crossbeam 3, temperature sensor 20 and field signal acquisition device 21 form, and weighing unit includes weighing carrier roller 1, roller rack 6
And weighing sensor, weighing carrier roller 1 are fixed on roller rack 6, roller rack 6 is fixed on scale body 2, and roller rack two
End is fixed in belt feeder rack 9 beyond 2 both ends part of scale body, the frame structure that scale body 2 is made of scale frame 8 and connecting plate 7, often
Crossbeam 3 is provided between two weighing carrier rollers 1, weighing carrier roller 1 includes bottom supporting roller 5 and side carrying roller 4, bottom supporting roller 5 and support
Roller support 6 is horizontally disposed, and side carrying roller 4 is symmetrically disposed on 5 both ends of bottom supporting roller, and carrying roller 4 outer end in side is respectively to updip
Tiltedly；
Weighing sensor includes the first weighing sensor 14 and the second weighing sensor 15,14 He of the first weighing sensor
Second weighing sensor 15 is symmetrically mounted on inside 3 both ends of crossbeam, and crossbeam 3 is all fixed on scale body 2, and its both ends passes through admittedly
Determine connecting plate 19 to be fixed in belt feeder rack 9, crossbeam 3 using special steel construction profile make, crossbeam 3 by upper beam plate 10,
The frame structure that lower beam plate 11 and side plate of crossbeam 12 form, the first weighing sensor 14 and the second weighing sensor 15 lead to respectively
Module fixing piece to be crossed to be fixed in the crossbeam 3, module fixing piece includes upper module fixing piece 13 and lower module fixing piece 16,
Upper module fixing piece 13 and lower module fixing piece 16 are connected by corresponding fix with upper beam plate 10 and lower beam plate 11 of screw respectively
It connecing, 14 both ends of the first weighing sensor are rigidly connected with the upper module fixing piece 13 of corresponding end and lower module fixing piece 16 respectively,
Second weighing sensor, 15 both ends are flexibly connected with the upper module fixing piece 13 of corresponding end and lower module fixing piece 16 respectively,
11 bottom symmetrical of lower beam plate is equipped with fixed gusset 17, and position and each corresponding end lower module fixing piece 16 is arranged in fixed gusset 17
It sets and coincides, fixed gusset 17 is fixedly connected by reinforcing rib 18 with the scale frame 8 of corresponding end,
Field signal acquisition device 21 is mounted on belt feeder rack, and temperature sensor 20 is symmetrically mounted in crossbeam, and temperature
Degree sensor 20 and field signal acquisition device 21 all connect respectively with computer generalization processor, field signal acquisition device 21 also with
Weighing sensor is connected.
Such as Fig. 3, when material passes through weighing unit, weight signal is converted to electric signal and sends scene to by weighing sensor
The analog signal of acquisition is converted to digital signal and calculated, is subsequently sent to by signal picker, field signal acquisition device
Terminal computer processing system, by the powerful processing capacity of computer to scale volume data analyze and and field signal acquisition
Device carries out data interaction, it follows that the data accurately measured, temperature sensor send the temperature at scene to computer generalization
Processor, the different stress that computer generalization processor generates different temperatures compensate, to further eliminate belt
Influence of the tension to measuring accuracy.
Each group of weighing sensor has unique ID number to record in the present embodiment, and experimental data, which will back up, to be calculated
The lane database of machine total system, computer total system and field signal acquisition device are counted in metering process
It according to interaction, realizes that data acquire real-time compensation, improves the data validity of each group of weighing unit, and computer generalization is handled
System analyzes belt tension according to the stress size of every group of weighing unit in real time to be influenced, and can eliminate 90% belt tension in this way
Change bring weighing-up wave distortion, by the powerful processing capacity of computer to scale volume data analyze and and on-site signal
After collector carries out data interaction by computer calculating, influencing each other between each unit can be eliminated, and become a kind of " internal force ",
By the variation of belt tension be confined to array go out, enter at unit.
In addition to the implementation, the utility model can also have other embodiments, all to use equivalent replacement or equivalent change
The technical solution to be formed is changed, the protection scope of the requires of the utility model is all fallen within.
Claims (7)
1. high-precision and high-stability belted electronic balance is made of several weighing units, scale body (2) and crossbeam (3), feature exists
In: the weighing unit includes weighing carrier roller (1), roller rack (6) and weighing sensor, and the weighing carrier roller (1) is fixed on
On the roller rack (6), the roller rack (6) is fixed on the scale body (2), and the roller rack both ends exceed
Scale body (2) both ends part is fixed on belt feeder rack (9), the frame that the scale body (2) is made of scale frame (8) and connecting plate (7)
Body structure is provided with the crossbeam (3) between weighing carrier roller (1) described in every two, and the weighing carrier roller (1) includes bottom supporting roller
(5) it is horizontally disposed with side carrying roller (4), the bottom supporting roller (5) and roller rack (6), the side carrying roller (4) is symmetrical arranged
In bottom supporting roller (5) both ends, and side carrying roller (4) outer end tilts upwards respectively；
The weighing sensor includes the first weighing sensor (14) and the second weighing sensor (15), first weighing and sensing
Device (14) and the second weighing sensor (15) are symmetrically mounted on inside the crossbeam (3) both ends, and the crossbeam (3) is all fixed on institute
It states on scale body (2), and its both ends is fixed on belt feeder rack (9) by fixed connecting plate (19), the crossbeam (3) is by upper
Header board (10), lower beam plate (11) and side plate of crossbeam (12) composition frame structure, first weighing sensor (14) and
Second weighing sensor (15) is fixed in the crossbeam (3) by module fixing piece respectively, and the module fixing piece includes upper
Module fixing piece (13) and lower module fixing piece (16), the upper module fixing piece (13) and lower module fixing piece (16) lead to respectively
It crosses screw correspondence to be fixedly connected with upper beam plate (10) and lower beam plate (11), the first weighing sensor (14) both ends difference
It is connect with the upper module fixing piece (13) of corresponding end and lower module fixing piece (16), the second weighing sensor (15) both ends point
It is not connect with the upper module fixing piece (13) of corresponding end and lower module fixing piece (16).
2. high-precision and high-stability belted electronic balance according to claim 1, it is characterised in that: the weighing unit is at least
2 groups.
3. high-precision and high-stability belted electronic balance according to claim 1, it is characterised in that: first weighing and sensing
Device (14) both ends are rigidly connected with the upper module fixing piece (13) of corresponding end and lower module fixing piece (16) respectively.
4. high-precision and high-stability belted electronic balance according to claim 1, it is characterised in that: second weighing and sensing
Device (15) both ends are flexibly connected with the upper module fixing piece (13) of corresponding end and lower module fixing piece (16) respectively.
5. high-precision and high-stability belted electronic balance according to claim 1, it is characterised in that: in the lower beam plate
(11) bottom symmetrical is equipped with fixed gusset (17), fixed gusset (17) the setting position and each corresponding end lower module fixing piece
(16) position coincides, and the fixed gusset (17) is fixedly connected by reinforcing rib (18) with the scale frame (8) of corresponding end.
6. high-precision and high-stability belted electronic balance according to claim 1, it is characterised in that: further include temperature sensor
(20) it is symmetrically mounted in crossbeam with field signal acquisition device (21), the temperature sensor (20), the field signal acquisition
Device (21) is mounted on belt feeder rack (9), and the temperature sensor (20) and field signal acquisition device (21) are all distinguished
It is connect with computer generalization processor, the field signal acquisition device (21) is also connected with weighing sensor.
7. high-precision and high-stability belted electronic balance according to claim 1, it is characterised in that: the crossbeam (3) uses
Special steel construction profile production.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820492989.6U CN208653601U (en) | 2018-04-09 | 2018-04-09 | High-precision and high-stability belted electronic balance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820492989.6U CN208653601U (en) | 2018-04-09 | 2018-04-09 | High-precision and high-stability belted electronic balance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208653601U true CN208653601U (en) | 2019-03-26 |
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ID=65776028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820492989.6U Active CN208653601U (en) | 2018-04-09 | 2018-04-09 | High-precision and high-stability belted electronic balance |
Country Status (1)
| Country | Link |
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| CN (1) | CN208653601U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108507647A (en) * | 2018-04-09 | 2018-09-07 | 徐州三原称重技术有限公司 | A kind of high-precision and high-stability belted electronic balance |
| CN110865203A (en) * | 2019-11-28 | 2020-03-06 | 徐州上达科技有限公司 | High-precision belt scale speed measuring device |
| CN110864779A (en) * | 2019-11-26 | 2020-03-06 | 徐州上达科技有限公司 | High-precision belt scale for extreme temperature environment |
-
2018
- 2018-04-09 CN CN201820492989.6U patent/CN208653601U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108507647A (en) * | 2018-04-09 | 2018-09-07 | 徐州三原称重技术有限公司 | A kind of high-precision and high-stability belted electronic balance |
| CN108507647B (en) * | 2018-04-09 | 2023-11-03 | 徐州三原称重技术有限公司 | High-precision high-stability electronic belt scale |
| CN110864779A (en) * | 2019-11-26 | 2020-03-06 | 徐州上达科技有限公司 | High-precision belt scale for extreme temperature environment |
| CN110865203A (en) * | 2019-11-28 | 2020-03-06 | 徐州上达科技有限公司 | High-precision belt scale speed measuring device |
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20190506 Address after: 221004 No. 26 Jinqiao Road, Jinshanqiao Economic Development Zone, Xuzhou City, Jiangsu Province Co-patentee after: Huangdao Inspection and Certification Co., Ltd. Patentee after: XUZHOU SANYUA WEIGHING TECHNOLOGY CO., LTD. Address before: 221004 No. 26 Jinqiao Road, Jinshanqiao Economic Development Zone, Xuzhou City, Jiangsu Province Patentee before: XUZHOU SANYUA WEIGHING TECHNOLOGY CO., LTD. |