CN104776906A - Two-stage lever cutting edge cutter-bearing weighing platform - Google Patents
Two-stage lever cutting edge cutter-bearing weighing platform Download PDFInfo
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- CN104776906A CN104776906A CN201510124321.7A CN201510124321A CN104776906A CN 104776906 A CN104776906 A CN 104776906A CN 201510124321 A CN201510124321 A CN 201510124321A CN 104776906 A CN104776906 A CN 104776906A
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Abstract
The invention discloses a two-stage lever cutting edge cutter-bearing weighing platform. By virtue of the two-stage lever cutting edge cutter-bearing weighing platform, the force of the weighted heavy objects is reduced twice by two sets of lever systems, thereby achieving the purpose of weighing the heavy objects by using a small-range and high-accuracy sensor. The two-stage lever cutting edge cutter-bearing weighing platform comprises an upper framework (1), a base (2), an L-shaped support cutter bearing (3), a left force transmission arm (4), a right force transmission arm (5), a vertical cutter bearing (6), a small force arm (7), a small force arm support cutter bearing (8), a sensor connection part (9), a weighing platform connection part (10) and a sensor (11). The two-stage lever cutting edge cutter-bearing weighing platform is used for reducing the force transmitted by the upper framework (1) twice through the two sets of lever systems and achieving the purpose of weighing the heavy objects by using the small-range and high-accuracy sensor.
Description
Technical field
The present invention relates to a kind of two-stage lever edge of a knife cutter and hold formula weighing platform, by two cover lever systems, the power being weighed weight is carried out reducing for twice, reach the object weighing weight with small-range, high-precision sensor, belong to industrial weighing machinery technical field.
Background technology
In weighing apparatus, the requirement of technical grade weighing platform requires higher than common weighing platform in precision, industrial weighing platform domestic is at present that weight is directly carried on one or several sensor mostly, weigh signal by sensor collection to weigh, because the precision of sensor itself can reduce along with the increase of range, so the precision of weighing platform also can reduce along with the increase of range.
In light of this situation, the industrial weighing platform that a kind of precision comparison of necessary design is high, range ratio is larger.
Summary of the invention
For the present situation that current domestic industry weighing platform precision can reduce along with the increase of range, the industrial weighing platform that a kind of precision comparison of necessary design is high, range ratio is larger.A kind of two-stage lever edge of a knife cutter provided in the present invention holds formula weighing platform, sensor is passed to again after the power being weighed weight being carried out reducing for twice by two cover lever systems exactly, so just selected range is smaller, precision comparison is high sensor can weigh, while improving weighing platform range, also improve the precision of weighing platform.
Technical scheme of the present invention is: a kind of two-stage lever edge of a knife cutter holds formula weighing platform, the present invention is characterised in that, the upper ledge comprising a rectangle and the base be positioned at bottom weighing platform, the L shape being arranged on base both sides supports cutter and holds, be separately positioned on L shape support cutter and hold the left power transmission arm of the symmetrically structure between upper ledge, right power transmission arm, the vertical cutter be arranged in the middle part of base holds, the little arm of force of overlap joint is held with vertical cutter, the little arm of force is held by little arm of force support cutter and overlaps with base, base is overlapped by sensor connecting piece and sensor, exerts all one's strength and be delivered on sensor; Upper ledge, as the direct load bearing component being weighed weight, is overlapped by weighing platform web member and left power transmission arm and right power transmission arm, the power of weight above upper ledge is passed to left power transmission arm and right power transmission arm; Left power transmission arm and right power transmission arm support cutter by L shape and hold and overlap with base, and hold combination and the little arm of force by vertical cutter and overlap power is passed to the little arm of force; The little arm of force is held by little arm of force support cutter and overlaps with base, and is overlapped by sensor connecting piece and sensor, thus is delivered on sensor by power; Left power transmission arm, right power transmission arm and little arm of force three form two cover lever systems.By this two covers lever system, the power transmitted is combined to upper ledge and carries out reducing for twice, reach the object weighing weight with the high-precision sensor of small-range.
Upper ledge of the present invention by welding table top, welded grider, screw rod, cylindrical cutter hold, nut, bolt and bolt form, wherein weld table top to be welded by angle steel, welded grider is welded by elongate steel plate and two welding blocks, cylindrical cutter holds and is connected on welded grider by bolt, welded grider and screw rod connect into fixed frame by nut, fixed frame by bolt with weld table top and connect and compose upper ledge; Base is welded by square tube, square tube, square tube, corner welding block, sensor fixed block, little welding block, bottom support block and benchmark bending plate; L shape support cutter holds and is made up of L shape bending plate, connection gasket post, packing ring, caging bolt and stop nut, and L shape support cutter holds and is connected on base by connection gasket post; Left power transmission arm is made up of the left welding arm of force, the edge of a knife and the edge of a knife, and wherein the left welding arm of force is welded by steel pipe, deformed steel flats, cylinder plug and Z-shaped welding block, and the edge of a knife and the edge of a knife are connected on the left welding arm of force by screw; Right power transmission arm is made up of backhand welding relay arm, the edge of a knife and the edge of a knife, and wherein backhand welding relay arm is welded by steel pipe, deformed steel flats, cylinder plug and Z-shaped welding block, and the edge of a knife and the edge of a knife are connected on backhand welding relay arm by screw; Vertical cutter hold held by cutter, rubber cutting ferrule and ball form, cutter is held to be set in together by nylon cutting ferrule with ball and forms vertical cutter and hold; The little arm of force is made up of the little welding arm of force, counterbalance weight, balance screw rod, setting nut, fixed muffle and the edge of a knife, its medium and small weld force arm is formed by welded plate, middle welding block and welding edges block welding, by the position of setting nut adjustment block on balance screw rod, the edge of a knife is connected on the little welding arm of force by screw; The little arm of force supports cutter and holds and hold guide rail and cutter by connection gasket post, packing ring, cutter and hold and be assembled; Sensor connecting piece is held by little bending plate, groove-type connecting block, little clip, little web joint, cutter, spacer pin and bolts assemblies form, together with its medium and small bending plate is bolted with groove-type connecting block, groove-type connecting block and little web joint are linked together by spacer pin, and cutter is held and is connected with little web joint by little clip; Weighing platform web member is held by large web joint, large clip and cutter and forms, and cutter is held and linked together by large clip and large web joint.
Two-stage lever edge of a knife cutter of the present invention holds compared with formula weighing platform is directly carried on one or several sensor weighing platform with common weight following advantage and effect: the present invention overlaps after the power being weighed weight carries out reducing for twice by lever system by two and passes to sensor again, so just selected range is smaller, precision comparison is high sensor can weigh, while improving weighing platform range, also improve the precision of weighing platform.In addition, the fulcrum of each arm of force adopts the edge of a knife and cutter to hold the mode of overlap joint, also improve the sensitivity of weighing platform, and novel structure, applicability is strong, can drive the development in domestic industry weighing apparatus field.
Accompanying drawing explanation
Fig. 1 is axonometric drawing of the present invention.
Fig. 2 is cut-open view of the present invention.
Fig. 3 is the explosive view of front elevation of the present invention.
Fig. 4 is the explosive view of left view of the present invention.
Fig. 5 is the schematic diagram of the left power transmission arm (4) of the present invention.
Fig. 6 is the schematic diagram of the right power transmission arm (5) of the present invention.
Fig. 7 is the schematic diagram of the little arm of force of the present invention (7).
Fig. 8 is the explosive view of upper ledge of the present invention (1).
Fig. 9 is the schematic diagram of welded grider of the present invention (1-2).
Figure 10 is the schematic diagram that L shape of the present invention supports that cutter holds (3).
Figure 11 is the schematic diagram that the vertical cutter of the present invention holds (6).
Figure 12 is the schematic diagram that the little arm of force of the present invention supports that cutter holds (8).
Figure 13 is the schematic diagram of sensor connecting piece of the present invention (9).
Figure 14 is the schematic diagram of weighing platform web member (10) of the present invention.
Embodiment
Below by specific embodiment, the present invention is described in further detail.
See Fig. 1-Figure 14, a kind of two-stage lever edge of a knife cutter holds formula weighing platform, the present invention is characterised in that, the upper ledge 1 comprising a rectangle and the base 2 be positioned at bottom weighing platform, the L shape being arranged on base 2 both sides supports cutter and holds 3, be separately positioned on L shape and support the left power transmission arm 4 that cutter holds the symmetrically structure between 3 and upper ledge 1, right power transmission arm 5, the vertical cutter be arranged in the middle part of base 2 holds 6, the little arm of force 7 of 6 overlap joints is held with vertical cutter, the little arm of force 7 holds 8 by little arm of force support cutter and overlaps with base 2, base 2 is overlapped by sensor connecting piece 9 and sensor 11, exert all one's strength and be delivered on sensor 11, upper ledge 1, as the direct load bearing component being weighed weight, is overlapped by weighing platform web member 10 and left power transmission arm 4 and right power transmission arm 5, and the power of weight above upper ledge 1 is passed to left power transmission arm 4 and right power transmission arm 5, left power transmission arm 4 and right power transmission arm 5 support cutter by L shape and hold 3 and overlap with base 2, and hold 6 by vertical cutter and to overlap with the little arm of force 7 power is passed to the little arm of force 7, the little arm of force 7 holds 8 by little arm of force support cutter and overlaps with base 2, and is overlapped by sensor connecting piece 9 and sensor 11, thus power is delivered on sensor 11, left power transmission arm 4, right power transmission arm 5 and the little arm of force 7 three form two cover lever systems.By this two covers lever system, carry out reducing for twice to the power that upper ledge 1 transmits, reach the object weighing weight with the high-precision sensor of small-range.
Upper ledge 1 of the present invention is held 1-4, nut 1-5, bolt 1-6 and bolt 1-7 formed by welding table top 1-1, welded grider 1-2, screw rod 1-3, cylindrical cutter, wherein weld table top 1-1 to be welded by angle steel, welded grider 1-2 is welded by elongate steel plate 1-a and two welding block 1-b, cylindrical cutter holds 1-4 and is connected on welded grider 1-2 by bolt 1-6, welded grider 1-2 and screw rod 1-3 connects into fixed frame by nut 1-5, fixed frame by bolt 1-7 with weld table top 1-1 and connect and compose upper ledge 1; Base 2 is welded by square tube 2-1, square tube 2-2, square tube 2-3, corner welding block 2-4, sensor fixed block 2-5, little welding block 2-6, bottom support block 2-7 and benchmark bending plate 2-8; L shape support cutter holds 3 and is made up of L shape bending plate 3-1, connection gasket post 3-2, packing ring 3-3, caging bolt 3-4 and stop nut 3-5, and L shape support cutter holds 3 and is connected on base 2 by connection gasket post 3-2; Left power transmission arm 4 is made up of left welding arm of force 4-1, edge of a knife 4-2 and edge of a knife 4-3, wherein left welding arm of force 4-1 is welded by steel pipe 4-a, deformed steel flats 4-b, cylinder plug 4-c and Z-shaped welding block 4-d, and edge of a knife 4-2 and edge of a knife 4-3 is connected by screw on left welding arm of force 4-1; Right power transmission arm 5 is made up of backhand welding relay arm 5-1, edge of a knife 4-2 and edge of a knife 4-3, wherein backhand welding relay arm 5-1 is welded by steel pipe 4-a, deformed steel flats 4-b, cylinder plug 4-c and Z-shaped welding block 4-d, and edge of a knife 4-2 and edge of a knife 4-3 is connected by screw on backhand welding relay arm 5-1; Vertical cutter holds 6 and holds 6-1, rubber cutting ferrule 6-2 and ball 6-3 by cutter and form, and cutter is held 6-1 and ball 6-3 and is set in together by nylon cutting ferrule 6-2 and forms vertical cutter and hold 6; The little arm of force 7 is made up of little welding arm of force 7-1, counterbalance weight 7-2, balance screw rod 7-3, setting nut 7-4, fixed muffle 7-5 and edge of a knife 4-3, its medium and small weld force arm 7-1 is welded by welded plate 7-a, middle welding block 7-b and welding edges block 7-c, by the position of setting nut 7-4 adjustment block 7-2 on balance screw rod 7-3, edge of a knife 4-3 is connected by screw on little welding arm of force 7-1; The little arm of force supports cutter and holds 8 and hold guide rail 8-3 and cutter by connection gasket post 8-1, packing ring 3-3, cutter and hold 8-4 and be assembled; Sensor connecting piece 9 is held 9-5, spacer pin 9-6 and bolt 9-7 be assembled by little bending plate 9-1, groove-type connecting block 9-2, little clip 9-3, little web joint 9-4, cutter, its medium and small bending plate 9-1 and groove-type connecting block 9-2 is linked together by bolt 9-7, groove-type connecting block 9-2 and little web joint 9-4 is linked together by spacer pin 9-6, and cutter is held 9-5 and is connected with little web joint 9-4 by little clip 9-3; Weighing platform web member 10 holds 10-3 by large web joint 10-1, large clip 10-2 and cutter and forms, and cutter is held 10-3 and linked together by large clip 10-2 and large web joint 10-1.
In the two cover lever systems formed, the power of first set lever system is from the weight of upper ledge 1 and carrying thereof, and resistance is the little arm of force 7 to the support reaction of left power transmission arm 4 or right power transmission arm 5, and fulcrum is that four L shapes support cuttves and hold 3.The power of the second cover lever system be left power transmission arm 4 and right power transmission arm 5 to the pressure of the little arm of force 7, resistance is the support reaction of sensor connecting piece 9 to the little arm of force 7, and fulcrum is that two little arm of forces support cuttves and hold 8.
Base 2 is frames of whole weighing platform; Left power transmission arm 4 and right power transmission arm 5 play the effect of lever, and the power for being transmitted by upper ledge 1 is carried out the first order and reduced; The little arm of force 7 is as second lever, and the power after left power transmission arm 4 and right power transmission arm 5 being reduced is carried out the second level and reduced; L shape support cutter hold 3 and the little arm of force 7 are fulcrums of two cover lever systems; Sensor connecting piece 9 is for passing to sensor 11 by the power after reducing.It is exactly by this two covers lever system that the described a kind of two-stage lever edge of a knife cutter of described invention holds formula weighing platform, carries out reducing for twice, reach the object weighing weight with the high-precision sensor of small-range to the power that upper ledge 1 transmits.
Claims (2)
1. a two-stage lever edge of a knife cutter holds formula weighing platform, it is characterized in that, the upper ledge (1) comprising a rectangle and the base (2) be positioned at bottom weighing platform, the L shape being arranged on base (2) four angles supports cutter and holds (3), be separately positioned on L shape and support the left power transmission arm (4) that cutter holds the symmetrically structure between (3) and upper ledge (1), right power transmission arm (5), the vertical cutter being arranged on base (2) middle part holds (6), the little arm of force (7) that (6) overlap is held with vertical cutter, the little arm of force (7) holds (8) by little arm of force support cutter and overlaps with base (2), and overlapped by sensor connecting piece (9) and sensor (11), exert all one's strength and be delivered on sensor (11), upper ledge (1) is as the direct load bearing component being weighed weight, overlapped by weighing platform web member (10) and left power transmission arm (4) and right power transmission arm (5), the power of weight above upper ledge (1) is passed to left power transmission arm (4) and right power transmission arm (5), left power transmission arm (4) and right power transmission arm (5) support cutter by L shape and hold (3) and overlap with base (2), and hold (6) and the little arm of force (7) by vertical cutter and overlap power is passed to the little arm of force (7), the little arm of force (7) holds (8) by little arm of force support cutter and overlaps with base (2), and overlapped by sensor connecting piece (9) and sensor (11), thus power is delivered on sensor (11), left power transmission arm (4), right power transmission arm (5) and the little arm of force (7) three form two cover lever systems.
2. a kind of two-stage lever edge of a knife cutter according to claim 1 holds formula weighing platform, it is characterized in that, upper ledge (1) is by welding table top (1-1), welded grider (1-2), screw rod (1-3), cylindrical cutter holds (1-4), nut (1-5), bolt (1-6) and bolt (1-7) composition, wherein weld table top (1-1) to be welded by angle steel, welded grider (1-2) is welded by elongate steel plate (1-a) and two welding blocks (1-b), cylindrical cutter holds (1-4) is connected on welded grider (1-2) by bolt (1-6), welded grider (1-2) and screw rod (1-3) connect into fixed frame by nut (1-5), fixed frame by bolt (1-7) with weld table top (1-1) and connect and compose upper ledge (1), base (2) is welded by square tube (2-1), square tube (2-2), square tube (2-3), corner welding block (2-4), sensor fixed block (2-5), little welding block (2-6), bottom support block (2-7) and benchmark bending plate (2-8), L shape support cutter holds (3) and is made up of L shape bending plate (3-1), connection gasket post (3-2), packing ring (3-3), caging bolt (3-4) and stop nut (3-5), and L shape support cutter holds (3) and is connected on base (2) by connection gasket post (3-2), left power transmission arm (4) is made up of the left welding arm of force (4-1), the edge of a knife (4-2) and the edge of a knife (4-3), wherein the left welding arm of force (4-1) is welded by steel pipe (4-a), deformed steel flats (4-b), cylinder plug (4-c) and Z-shaped welding block (4-d), and the edge of a knife (4-2) and the edge of a knife (4-3) are connected by screw on the left welding arm of force (4-1), right power transmission arm (5) is made up of backhand welding relay arm (5-1), the edge of a knife (4-2) and the edge of a knife (4-3), wherein backhand welding relay arm (5-1) is welded by steel pipe (4-a), deformed steel flats (4-b), cylinder plug (4-c) and Z-shaped welding block (4-d), and the edge of a knife (4-2) and the edge of a knife (4-3) are connected by screw on backhand welding relay arm (5-1), vertical cutter holds (6) and holds (6-1), rubber cutting ferrule (6-2) and ball (6-3) by cutter and form, and cutter holds (6-1) with ball (6-3) is set in together by nylon cutting ferrule (6-2) and forms vertical cutter and hold (6), the little arm of force (7) is made up of the little welding arm of force (7-1), counterbalance weight (7-2), balance screw rod (7-3), setting nut (7-4), fixed muffle (7-5) and the edge of a knife (4-3), its medium and small weld force arm (7-1) is welded by welded plate (7-a), middle welding block (7-b) and welding edges block (7-c), by the position of setting nut (7-4) adjustment block (7-2) in balance screw rod (7-3), the edge of a knife (4-3) is connected by screw on the little welding arm of force (7-1), the little arm of force supports cutter and holds (8) and hold guide rail (8-3) and cutter by connection gasket post (8-1), packing ring (3-3), cutter and hold (8-4) and be assembled, sensor connecting piece (9) is held (9-5), spacer pin (9-6) and bolt (9-7) be assembled by little bending plate (9-1), groove-type connecting block (9-2), little clip (9-3), little web joint (9-4), cutter, its medium and small bending plate (9-1) and groove-type connecting block (9-2) are linked together by bolt (9-7), groove-type connecting block (9-2) and little web joint (9-4) are linked together by spacer pin (9-6), and cutter holds (9-5) is connected with little web joint (9-4) by little clip (9-3), weighing platform web member (10) holds (10-3) by large web joint (10-1), large clip (10-2) and cutter and forms, and cutter holds (10-3) is linked together by large clip (10-2) and large web joint (10-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510124321.7A CN104776906B (en) | 2015-03-19 | 2015-03-19 | A kind of two-stage lever edge of a knife knife holds formula weighing platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510124321.7A CN104776906B (en) | 2015-03-19 | 2015-03-19 | A kind of two-stage lever edge of a knife knife holds formula weighing platform |
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| Publication Number | Publication Date |
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| CN104776906A true CN104776906A (en) | 2015-07-15 |
| CN104776906B CN104776906B (en) | 2017-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510124321.7A Active CN104776906B (en) | 2015-03-19 | 2015-03-19 | A kind of two-stage lever edge of a knife knife holds formula weighing platform |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109556788A (en) * | 2018-11-15 | 2019-04-02 | 北京航天计量测试技术研究所 | A kind of orthogonal knife knife bearing apparatus for center mass measuring device |
| PL425073A1 (en) * | 2018-03-28 | 2019-10-07 | Megaterm Plus Spółka Z Ograniczoną Odpowiedzialnością | Weighing platform with the framework lattice structure |
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| CN2133830Y (en) * | 1992-09-29 | 1993-05-19 | 蚌埠市衡器总厂 | Electric brane counting platform balance |
| CN2147516Y (en) * | 1992-12-21 | 1993-11-24 | 吉林省标准计量仪器实验所 | high-accuracy electronic scale |
| US20060207805A1 (en) * | 2005-03-15 | 2006-09-21 | Williamson Sidney W | Scale lever assembly |
| JP2009058465A (en) * | 2007-09-03 | 2009-03-19 | Tanita Corp | Operating lever type balance |
| CN204439201U (en) * | 2015-03-19 | 2015-07-01 | 云南昆船电子设备有限公司 | A kind of two-stage lever edge of a knife cutter holds formula weighing platform |
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2015
- 2015-03-19 CN CN201510124321.7A patent/CN104776906B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2133830Y (en) * | 1992-09-29 | 1993-05-19 | 蚌埠市衡器总厂 | Electric brane counting platform balance |
| CN2147516Y (en) * | 1992-12-21 | 1993-11-24 | 吉林省标准计量仪器实验所 | high-accuracy electronic scale |
| US20060207805A1 (en) * | 2005-03-15 | 2006-09-21 | Williamson Sidney W | Scale lever assembly |
| JP2009058465A (en) * | 2007-09-03 | 2009-03-19 | Tanita Corp | Operating lever type balance |
| CN204439201U (en) * | 2015-03-19 | 2015-07-01 | 云南昆船电子设备有限公司 | A kind of two-stage lever edge of a knife cutter holds formula weighing platform |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL425073A1 (en) * | 2018-03-28 | 2019-10-07 | Megaterm Plus Spółka Z Ograniczoną Odpowiedzialnością | Weighing platform with the framework lattice structure |
| CN109556788A (en) * | 2018-11-15 | 2019-04-02 | 北京航天计量测试技术研究所 | A kind of orthogonal knife knife bearing apparatus for center mass measuring device |
| CN109556788B (en) * | 2018-11-15 | 2021-02-09 | 北京航天计量测试技术研究所 | Orthogonal knife bearing device for centroid measuring device |
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| CN104776906B (en) | 2017-06-16 |
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