CN101726347A - Electronic belt scale nutation type belt tensioning device - Google Patents
Electronic belt scale nutation type belt tensioning device Download PDFInfo
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- CN101726347A CN101726347A CN200910218367A CN200910218367A CN101726347A CN 101726347 A CN101726347 A CN 101726347A CN 200910218367 A CN200910218367 A CN 200910218367A CN 200910218367 A CN200910218367 A CN 200910218367A CN 101726347 A CN101726347 A CN 101726347A
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- rotating shaft
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- nutation
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Abstract
The invention relates to an electronic belt scale nutation type belt tensioning device which comprises a tensioning framework, main body lateral plates and a link mechanism, wherein the tensioning framework is spanned over both ends of a driven roller of an electronic belt scale and is positioned between an upper belt and a lower belt, the main body lateral plates are symmetrically arranged at the two outer sides of the tensioning framework, the link mechanism is installed on the main body lateral plates, the link mechanism is formed by sequentially connecting pedestals, first connecting rods, second connecting rods and nutation plates, the pedestals are fixed on the main body lateral plates, the first connecting rods are articulated with the pedestals through first rotating shafts, the second connecting rods are articulated with the first connecting rods through second rotating shafts, and the nutation plates are respectively articulated with the second connecting rods through third rotating shafts and articulated with the main body lateral plates through fourth rotating shafts; fastening bolts are arranged on the nutation plates; wrenches are installed on the second connecting rods; and the nutation plates are also connected with the tensioning framework through first bearings, and the tensioning framework is connected with a central shaft of the driven roller through a second bearing. The electronic belt scale nutation type belt tensioning device has light structure and can rapidly realize the tensioning or relaxation of belts with labor saving, and the size of tensioning force can be accurately regulated in real time.
Description
Technical field
The present invention relates to belted electronic balance belt stretcher technical field of structures.
Background technology
All kinds of belted electronic balances in the market are to the tensioning mode of belt, or adopt fixed tensioning, or employing Weight type tensioning, or employing lever tensioning, but no matter adopt any tensioning mode, all be difficult to realize the quick tensioning of belt or lax, and belt tension or lax mode complexity, operating difficulties; For making strainer produce enough tensile forces to belt, tensioning system often designs very heavyly, causes difficulty for assembling, the debugging work of equipment, and equipment too heaviness also is unfavorable for transportation, lays and put in place.
On the other hand, when, damage aging at belt or other reasons need be changed, because the tensioning of belt, lax mode complexity, mechanism's heaviness often needed long-time and many personnel to cooperatively interact and could realize the replacing of belt.When having changed belt and maybe need belted electronic balance adjusted, usually require the permanent tension force size of belt is adjusted, and currently used all kinds of tensioning mode be difficult to accomplish to the permanent tension force size of belt in real time, accurately adjust.Cause adjustment, maintenance, repair difficulty to the belted electronic balance conveyor big thus, workload is big.
In addition, there are bell-mouthed situation or each roller of conveyor to regulate when not in place, can cause belt xsect heterotonia everywhere, cause situations such as belt deviation, unbalance loading are excessive, quantification stability difference, influence the normal use of belted electronic balance at belt.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, provide a kind of structure light, can realize fast, effortlessly that the big I of tensile force is accurately regulated in real time to the tensioning of belt or lax, the belt xsect is the tensile force electronic belt scale nutation type belt tensioning device that is easy to adjust everywhere.
The objective of the invention is to be achieved through the following technical solutions.
Electronic belt scale nutation type belt tensioning device, comprise that straddle mounting is in belted electronic balance driven voller two ends and be positioned at the up and down tension frame between belt, be symmetricly set in the fuselage side plate in tension frame two outsides, be installed on the linkage assembly on the fuselage side plate, described linkage assembly is by pedestal, first connecting rod, second connecting rod, the beat plate formation that is linked in sequence, pedestal is fixed on the fuselage side plate, first connecting rod is hinged by first rotating shaft and pedestal, second connecting rod is hinged by second rotating shaft and first connecting rod, and it is hinged and hinged by the 4th rotating shaft and fuselage side plate that the beat plate passes through the 3rd rotating shaft and second connecting rod respectively; The beat plate is provided with tight fixed bolt; Spanner is installed on second connecting rod; The beat plate also connects with tension frame by clutch shaft bearing, and tension frame connects with the central shaft of driven voller by second bearing.
The connecting section of first connecting rod of the present invention and pedestal is a screw rod, is fitted with nut on screw rod, and screw rod is plugged in the radially mounting hole of first rotating shaft.Spanner and second connecting rod are hinged by pivot pin.Spanner arm of force length is greater than the distance between second rotating shaft and the 3rd rotating shaft.Be vertically arranged with adjusting screw(rod) in the tension frame outer end along belt, on adjusting screw(rod), be fitted with rider.
The present invention be driven voller with belted electronic balance as the belt tension roller, adopt linkage assembly to realize to the quick tensioning of belt and lax.Rotate to the front fuselage of belt conveyer scale by moving spanner, make second connecting rod around the second rotating shaft campaign and drive first connecting rod, beat plate interlock, promoting the beat plate rotates around the 4th rotating shaft, when forwarding second rotating shaft between first rotating shaft and the 3rd rotating shaft and when being in a straight line, linkage assembly is in the dead-centre position, reaches stable, and is with tight fixed bolt that it is locked again, driven voller that is idler roller move backward to the position, and belt is in the state of being tensioned.When unclamping tight fixed bolt, pull spanner when back body rotates, the 3rd rotating shaft is pushed forward, and second rotating shaft is positioned at the 3rd rotating shaft back and when being in a straight line, linkage assembly also is in the dead-centre position, reaches stable when forwarding to, and belt is in relaxed state.So promptly can realize the quick tensioning of belt or lax, and mechanism is light, is easy to install adjust.
Structure of the present invention, it is the bell crank mechanism of fulcrum that idler roller and tension frame form with second bearing, tension frame makes idler roller move backward around second bearing under action of gravity and realizes constant force tensioning to belt, under the reaction force acts of belt, make the tension frame front end unsettled and be in level to the rocking arm length of first rotating shaft by adjusting second connecting rod.Tension frame gravity for the arm of force length of second bearing much larger than the belt reaction force acts in idler roller for the arm of force length of second bearing.According to lever principle, the action of gravity meeting of tension frame makes idler roller produce the reacting force of several times to belt.
Because the front end of first connecting rod is a screw rod, by regulating equipped nut, the scalable first connecting rod is with respect to the length of first rotating shaft, thereby change the rocking arm length of second connecting rod with respect to first rotating shaft, make two ends, the idler roller left and right sides backward tensioning distance can according to strap length and belt xsect everywhere tension force adjust.Spanner arm of force length is greater than the distance between second rotating shaft and the 3rd rotating shaft, can play the labour-saving effect when tensioning or lax belt are pulled spanner.Spanner and second connecting rod are hinged by pivot pin, and spanner can be rotated to fuselage outer side, and when changing belt, spanner can not keep off belt and extract out from fuselage one side, is easy to change belt.Owing to be vertically arranged with adjusting screw(rod) and be fitted with rider along belt in the tension frame outer end, rotate rider can adjust between rider and the tension frame apart from length, realize to the permanent tension force size of belt in real time, accurately adjust.
Compared with prior art, the present invention has the following advantages:
1. can be fast, the labour-saving realizes the tensioning of belt and lax, making needs work simplification that several professionals could realize through certain hour for simply, work fast, has significantly reduced manpower, time and workload.
2. when changing belt, belt can be extracted out from conveyor fuselage one side, be easy to the replacing of belt.
3. there are bell-mouthed situation or conveyor roller to regulate when not in place at belt, also can adjust the idler roller two ends makes idler roller identical to belt xsect tensile force everywhere, prevent that belt deviation or unbalance loading are excessive and influence metering is improved weighing precision, stability.
4. tension frame is positioned at conveyor inside, and the equipment of having saved takes up space, and tensioning device structure is light, and assembling, transportation, the peace of being convenient to equipment are transferred.
5. can adjust permanent tension force size according to actual needs in real time, accurately to belt.
Further set forth content of the present invention below in conjunction with Figure of description.
Description of drawings
Fig. 1 is the structural representation of the present invention when the belt tension state;
Fig. 2 is the structural representation of the present invention when the belt slack state;
Fig. 3 is the synoptic diagram that the present invention is applied to the belted electronic balance conveyor.
Embodiment
As shown in Figure 1 and Figure 2, the present invention includes straddle mounting in belted electronic balance driven voller 16 two ends and be positioned at the tension frame 14 between belt up and down, be symmetricly set in the fuselage side plate 1,1 in tension frame two outsides ', be installed on the linkage assembly on the fuselage side plate.Linkage assembly by pedestal 2,2 ', first connecting rod 6,6 ', second connecting rod 7,7 ', beat plate 10,10 ' being linked in sequence constitutes.Pedestal 2,2 ' be fixed on the fuselage side plate.First connecting rod 6,6 ' by first rotating shaft 4,4 ' with pedestal 2,2 ' hinged, first connecting rod 6,6 ' with pedestal 2,2 ' connecting section be screw rod, on screw rod, be fitted with setting nut 22,22 ', screw rod is plugged in the radially mounting hole of first rotating shaft.Second connecting rod 7,7 ' by second rotating shaft 8,8 ' with first connecting rod 6,6 ' hinged.Beat plate 10,10 ' by the 3rd rotating shaft 9,9 ' with second connecting rod 7,7 ' hinged, the beat plate pass through simultaneously the 4th rotating shaft 11,11 ' with fuselage side plate 1,1 ' hinged.Beat plate 10,10 ' be provided with tight fixed bolt 12,12 '.Second connecting rod 7,7 ' on by pivot pin 5,5 ' be hinged with spanner 3,3 ', spanner 3,3 ' arm of force length greater than second rotating shaft 8,8 ' and the 3rd rotating shaft 9,9 ' between distance.Beat plate 10,10 ' also is by clutch shaft bearing 13,13 ' connect with tension frame 14, and tension frame 14 passes through second bearing 15,15 ' connect with the central shaft of driven voller 16.Driven voller 16 can freely rotate with belt 19.Be vertically arranged with adjusting screw(rod) 18 in the tension frame outer end along belt, on adjusting screw(rod), be fitted with rider 17.If belted electronic balance itself has the fuselage side plate, the present invention can directly utilize, can make specially again fuselage side plate 1,1 '.
Shown in Figure 1 is the structural representation of the present invention when belt 19 tensioning states.When needs carry out tensioning to belt 19, by pulling spanner 3,3 ' rotate to the belt conveyer scale front fuselage, make second connecting rod 7,7 ' around second rotating shaft 8,8 ' motion also drives first connecting rod 6,6 ', beat plate 10,10 ' interlock, promote beat plate 10,10 ' around the 4th rotating shaft 11,11 ' rotate, when forwarding second rotating shaft 8 to, 8 ' be positioned at first rotating shaft 4,4 ' and the 3rd rotating shaft 9,9 ' between and when being in a straight line, linkage assembly is in the dead-centre position, it is stable that linkage assembly reaches, use tight fixed bolt 12 again, 12 ' it is locked, idler roller that is driven voller 16 move backward to the position, and then belt 19 is tensioned.At this moment, when the tensile force size of belt 19 being adjusted as need, scalable is installed on the rider 17 on the tension frame 14 front end screw rods 18, rotate rider 17 can adjust between rider 17 and the tension frame 14 apart from length, realize to belt 19 permanent tension force sizes in real time, accurately adjust.
Shown in Figure 2 is the structural representation of the present invention when belt 19 relaxed states.When needs relax belt 19, unclamp earlier tight fixed bolt 12,12 ', pull spanner 3,3 ' when back body rotates again, the 3rd rotating shaft 9,9 ' be pushed forward, when forwarding second rotating shaft 8,8 ' be positioned at the 3rd rotating shaft 9,9 ' back to and being in a straight line, linkage assembly also is in the dead-centre position, and it is stable that linkage assembly reaches, tension frame 14 drives driven voller 16 to the front fuselage motion, and then belt 19 is by lax.At this moment, because spanner 3,3 ' and second connecting rod 7,7 ' by pivot pin 5,5 ' hinged, spanner 3,3 ' can rotate to fuselage outer side, when changing belt 19, spanner 3,3 ' not can keep off belt 19 and extract out from fuselage one side, is easy to change belt.After maintenance or belt 19 are changed and finished, pull spanner 3,3 ' rotate to front fuselage again, then the tensioning of belt 19 distance, the big I of tensile force return to original state again, equipment normally operation at once.
Figure 3 shows that and use belted electronic balance of the present invention.When the belted electronic balance operate as normal, the first tightening belt 19 of palpus, pull spanner 3,3 ' rotate to front fuselage, making tension frame 14 drive driven voller 16 moves backward, by regulate second connecting rod 7,7 ' to first rotating shaft 4,4 ' rocking arm length, can adjust two ends, driven voller 16 left and right sides distance of tensioning backward, make tension frame 14 front ends be in unsettled, horizontality, then belt 19 is tensioned.When equipment ran well, gearing 20 drove drive roll 21 runnings, and drive roll 21 drives belt 19 runnings again.When adjusting the permanent tension force size of belt 19, rotate rider 17 as need, adjust between rider 17 and the tension frame 14 apart from length, to the permanent tension force size of belt carry out in real time, accurate adjustment.
It is the bell crank mechanism of fulcrum that idler roller 16 and tension frame 14 form with bearing I I 13,13 ', tension frame 14 makes idler roller 16 realize constant force tensioning to belt 19 around bearing I I 13,13 ' backward motion under action of gravity, under the reaction force acts of belt 19, by setting nut 22,22 ', the rocking arm length of adjusting second connecting rod 7,7 ' countershaft I 4,4 ' makes tension frame 14 front ends unsettled and be in level.
The present invention not only is used for belted electronic balance, also can be used for the belt tension of other type band conveyor.
Claims (5)
1. electronic belt scale nutation type belt tensioning device, it is characterized in that, comprise that straddle mounting is in belted electronic balance driven voller (16) two ends and be positioned at the up and down tension frame (14) between belt, be symmetricly set in the fuselage side plate (1 in tension frame two outsides, 1 '), be installed on the linkage assembly on the fuselage side plate, described linkage assembly is by pedestal (2,2 '), first connecting rod (6,6 '), second connecting rod (7,7 '), beat plate (10,10 ') formation is linked in sequence, pedestal (2,2 ') be fixed on the fuselage side plate, first connecting rod (6,6 ') by first rotating shaft (4,4 ') and pedestal (2,2 ') hinged, second connecting rod (7,7 ') by second rotating shaft (8,8 ') and first connecting rod (6,6 ') hinged, beat plate (10,10 ') respectively by the 3rd rotating shaft (9,9 ') and second connecting rod (7,7 ') hinged reaching by the 4th rotating shaft (11,11 ') and fuselage side plate (1,1 ') hinged; Beat plate (10,10 ') is provided with tight fixed bolt (12,12 '); Spanner (3,3 ') is installed on second connecting rod (7,7 '); Beat plate (10,10 ') also connects with tension frame (14) by clutch shaft bearing (13,13 '), and tension frame (14) connects with the central shaft of driven voller (16) by second bearing (15,15 ').
2. electronic belt scale nutation type belt tensioning device according to claim 1, it is characterized in that, the connecting section of the front end of first connecting rod (6,6 ') and pedestal (2,2 ') is a screw rod, be fitted with setting nut (22,22 ') on screw rod, screw rod is plugged in the radially mounting hole of first rotating shaft.
3. electronic belt scale nutation type belt tensioning device according to claim 1 is characterized in that, spanner (3,3 ') and second connecting rod (7,7 ') are hinged by pivot pin (5,5 ').
4. electronic belt scale nutation type belt tensioning device according to claim 1 is characterized in that, spanner (3,3 ') arm of force length is greater than the distance between second rotating shaft (8,8 ') and the 3rd rotating shaft (9,9 ').
5. electronic belt scale nutation type belt tensioning device according to claim 1 is characterized in that, is vertically arranged with adjusting screw(rod) (18) in the tension frame outer end along belt, is fitted with rider (17) on adjusting screw(rod).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910218367XA CN101726347B (en) | 2009-12-15 | 2009-12-15 | Electronic belt scale nutation type belt tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910218367XA CN101726347B (en) | 2009-12-15 | 2009-12-15 | Electronic belt scale nutation type belt tensioning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101726347A true CN101726347A (en) | 2010-06-09 |
| CN101726347B CN101726347B (en) | 2012-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910218367XA Active CN101726347B (en) | 2009-12-15 | 2009-12-15 | Electronic belt scale nutation type belt tensioning device |
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| CN (1) | CN101726347B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103278224A (en) * | 2013-04-28 | 2013-09-04 | 九江七所精密机电科技有限公司 | Electronic belt weigher |
| CN112304400A (en) * | 2020-11-02 | 2021-02-02 | 杭州中南电子工程有限公司 | High-precision electronic belt scale |
| CN113428581A (en) * | 2021-05-28 | 2021-09-24 | 华能国际电力股份有限公司上海石洞口第一电厂 | Conveyer belt overspeed device tensioner and belt conveyor |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4089407A (en) * | 1977-01-31 | 1978-05-16 | K-Tron Corporation | Constant belt tensioner |
| US6267228B1 (en) * | 1999-08-31 | 2001-07-31 | Lawrence O. Cadwell | Conveyor belt tracking and tensioning system |
| CN201317570Y (en) * | 2008-12-24 | 2009-09-30 | 北京有色金属研究总院 | Mechanism for tensioning conveyor belt |
| CN201600183U (en) * | 2009-12-15 | 2010-10-06 | 云南昆船电子设备有限公司 | Deflection-type belt tensioning device of electronic belt scale |
-
2009
- 2009-12-15 CN CN200910218367XA patent/CN101726347B/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103278224A (en) * | 2013-04-28 | 2013-09-04 | 九江七所精密机电科技有限公司 | Electronic belt weigher |
| CN103278224B (en) * | 2013-04-28 | 2016-04-20 | 九江七所精密机电科技有限公司 | A kind of belted electronic balance |
| CN112304400A (en) * | 2020-11-02 | 2021-02-02 | 杭州中南电子工程有限公司 | High-precision electronic belt scale |
| CN113428581A (en) * | 2021-05-28 | 2021-09-24 | 华能国际电力股份有限公司上海石洞口第一电厂 | Conveyer belt overspeed device tensioner and belt conveyor |
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| Publication number | Publication date |
|---|---|
| CN101726347B (en) | 2012-02-01 |
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