CN104776906B - A kind of two-stage lever edge of a knife knife holds formula weighing platform - Google Patents
A kind of two-stage lever edge of a knife knife holds formula weighing platform Download PDFInfo
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- CN104776906B CN104776906B CN201510124321.7A CN201510124321A CN104776906B CN 104776906 B CN104776906 B CN 104776906B CN 201510124321 A CN201510124321 A CN 201510124321A CN 104776906 B CN104776906 B CN 104776906B
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Abstract
Patent of the present invention proposes that a kind of two-stage lever edge of a knife knife holds formula weighing platform, and the power that will be weighed weight by two sets of lever systems is reduced twice, reaches the purpose that weight is weighed with small-range, high-precision sensor.The two-stage lever edge of a knife knife holds formula weighing platform and holds (3), left power transmission arm (4), right power transmission arm (5), vertical knife including upper ledge (1), base (2), L-shaped support knife and hold (6), the small arm of force (7), small arm of force support knife and holds (8), sensor connecting piece (9), weighing platform connector (10) and sensor (11) composition.It is exactly, by this two sets of lever systems, the power that upper ledge (1) is transmitted to be reduced twice that a kind of two-stage lever edge of a knife knife of the present invention holds formula weighing platform, reaches the purpose that weight is weighed with the high-precision sensor of small-range.
Description
Technical field
Formula weighing platform is held the present invention relates to a kind of two-stage lever edge of a knife knife, the power of weight will be weighed by two sets of lever systems
Reduced twice, reached the purpose that weight is weighed with small-range, high-precision sensor, belonged to industrial weighing machinery technical field.
Background technology
In weighing apparatus, the requirement of technical grade weighing platform is higher in precision aspect requirement than common weighing platform, at present domestic work
Industry weighing platform is mostly that weight is loaded directly on one or several sensors, and gathering weighing signal by sensor is weighed,
Because sensor precision in itself can be reduced with the increase of range, so the precision of weighing platform also can be with the increase of range
Reduce.
In light of this situation, necessary a kind of industrial weighing platform that ratio of precision is higher, range ratio is larger of design.
The content of the invention
For the present situation that current domestic industry weighing platform precision can be reduced with the increase of range, necessary design is a kind of
The industrial weighing platform that ratio of precision is higher, range ratio is larger.A kind of two-stage lever edge of a knife knife provided in the present invention holds formula weighing platform, just
It is to be transmitted to sensor again after the power that will be weighed weight by two sets of lever systems is reduced twice, can thus selects
The sensor that range is smaller, ratio of precision is higher is weighed, and the precision of weighing platform is also improved while weighing platform range is improved.
The technical scheme is that：A kind of two-stage lever edge of a knife knife holds formula weighing platform, the invention is characterised in that, including one
The upper ledge of rectangle and the base positioned at weighing platform bottom, the L-shaped support knife for being arranged on base both sides hold, and are separately positioned on L-shaped support
Knife holds the left power transmission arm in symmetrical structure, the right power transmission arm between upper ledge, is arranged on the vertical knife in the middle part of base and holds, and vertical
Knife holds the small arm of force of overlap joint, and the small arm of force supports knife to hold and overlapped with base, sensor connecting piece is passed through on base by the small arm of force
With sensor overlap joint, power is set to be delivered on sensor；Upper ledge is connected as the direct load bearing component for being weighed weight by weighing platform
Part is overlapped with left power transmission arm and right power transmission arm, and the power of weight above upper ledge is transmitted into left power transmission arm and right power transmission arm；Left power transmission arm
With right power transmission arm by L-shaped support knife hold with base overlap, and by vertical knife hold combination with the small arm of force overlap power is transmitted to it is small
The arm of force；The small arm of force supports knife to hold and is overlapped with base by the small arm of force, and is overlapped by sensor connecting piece and sensor, so that will
Power is delivered on sensor；Left power transmission arm, right power transmission arm and small arm of force three form two sets of lever systems.By this two sets of levers
System, is reduced twice to the power that upper ledge combination is transmitted, and reaches the purpose that weight is weighed with the high-precision sensor of small-range.
Upper ledge of the present invention is held by welding table top, welded grider, screw rod, cylindrical cutter, nut, bolt and bolt are constituted, wherein welding
Connect table top to be welded by angle steel, welded grider is welded by elongate steel plate and two welding blocks, and cylindrical cutter is held by bolt
It is connected on welded grider, welded grider connects into fixed frame with screw rod by nut, fixed frame is connected by bolt with welding table top
Constitute upper ledge；Base is by square tube, square tube, square tube, corner welding block, sensor fixed block, small welding block, bottom support block and base
Quasi- bending plate is welded；L-shaped support knife holds and is made up of L-shaped bending plate, connection gasket post, packing ring, caging bolt and stop nut,
L-shaped support knife is held 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, 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 by screw
On the left welding arm of force；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 by steel pipe, abnormity
Steel plate, cylinder plug and Z-shaped welding block are welded, and the edge of a knife and the edge of a knife are connected by screw on backhand welding relay arm；Vertical knife
Hold held by knife, rubber cutting ferrule and ball are constituted, knife holds and is set in together the vertical knife of composition by nylon cutting ferrule with ball and holds；Small power
Arm is made up of the small welding arm of force, balance weight, balance screw rod, adjusting nut, fixes sleeve and the edge of a knife, and its medium and small weld force arm is by welding
Fishplate bar, middle welding block and end welding block are welded, by position of the adjusting nut adjustment block on balance screw rod,
The edge of a knife is connected by screw on the small welding arm of force；Small arm of force support knife to hold and hold guide rail by connection gasket post, packing ring, knife and knife takes up
With forming；Sensor connecting piece is held by small bending plate, groove-type connecting block, small clip, small connecting plate, knife, spacer pin and bolt are filled
With forming, together with its medium and small bending plate is bolted with groove-type connecting block, groove-type connecting block and small connecting plate are by limit
Together, knife is held and is connected with small connecting plate by small clip position pin connection；Weighing platform connector is held by big connecting plate, big clip and knife
Constitute, knife is held and linked together with big connecting plate by big clip.
Two-stage lever edge of a knife knife of the invention holds formula weighing platform and is loaded directly into one or several sensors with common weight
On weighing platform compared to having the advantage that and effect：The present invention is contracted twice by the power that two sets of lever systems will be weighed weight
It is small after be transmitted to sensor again, thus can, ratio of precision smaller with selected range sensor higher weighed, improve
The precision of weighing platform is also improved while weighing platform range.In addition, the fulcrum of each arm of force is by the way of the edge of a knife and knife hold overlap joint,
The sensitivity of weighing platform, and structure novelty, strong applicability are improve, the development in domestic industry weighing apparatus field can be driven.
Brief description of the drawings
Fig. 1 is axonometric drawing of the invention.
Fig. 2 is sectional view of the invention.
Fig. 3 is the explosive view of front view of the present invention.
Fig. 4 is the explosive view of left view of the present invention.
Fig. 5 is the schematic diagram of left power transmission arm (4) of the invention.
Fig. 6 is the schematic diagram of right power transmission arm (5) of the invention.
Fig. 7 is the schematic diagram of the small arm of force (7) of the invention.
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-shaped support knife of the present invention holds (3).
Figure 11 is the schematic diagram that vertical knife of the invention holds (6).
Figure 12 is the schematic diagram that small arm of force support knife of the invention holds (8).
Figure 13 is the schematic diagram of inventive sensor connector (9).
Figure 14 is the schematic diagram of weighing platform connector (10) of the present invention.
Specific 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 knife holds formula weighing platform, the invention is characterised in that, including rectangle is upper
Frame 1 and the base 2 positioned at weighing platform bottom, the L-shaped support knife for being arranged on the both sides of base 2 hold 3, are separately positioned on L-shaped support knife and hold 3
The left power transmission arm 4 in symmetrical structure between upper ledge 1, right power transmission arm 5, the vertical knife for being arranged on the middle part of base 2 hold 6, and hang down
Straight knife holds the small arm of force 7 of 6 overlap joints, and the small arm of force 7 supports knife to hold 8 and overlapped with base 2 by the small arm of force, by sensing on base 2
Device connector 9 is overlapped with sensor 11, power is delivered on sensor 11；Upper ledge 1 is used as the direct supporting part for being weighed weight
Part, is overlapped by weighing platform connector 10 with left power transmission arm 4 and right power transmission arm 5, and the power of weight above upper ledge 1 is transmitted into left power transmission arm
4 and right power transmission arm 5；Left power transmission arm 4 and right power transmission arm 5 support knife to hold 3 and are overlapped with base 2 by L-shaped, and hold 6 by vertical knife
Overlapped with the small arm of force 7 and power is transmitted to the small arm of force 7；The small arm of force 7 supports knife to hold 8 and is overlapped with base 2 by the small arm of force, and by sensing
Device connector 9 is overlapped with sensor 11, so as to transfer force on sensor 11；Left power transmission arm 4, right power transmission arm 5 and the small arm of force 7
Three forms two sets of lever systems.By this two sets of lever systems, the power that upper ledge 1 is transmitted is reduced twice, reached with small
The high-precision sensor of range weighs the purpose of weight.
Upper ledge of the present invention 1 holds 1-4, nut 1-5, bolt 1- by welding table top 1-1, welded grider 1-2, screw rod 1-3, cylindrical cutter
6 and bolt 1-7 is constituted, wherein welding table top 1-1 is welded by angle steel, welded grider 1-2 is welded by elongate steel plate 1-a and two
Meet block 1-b to be welded, cylindrical cutter is held 1-4 and is connected on welded grider 1-2 by bolt 1-6, welded grider 1-2 and screw rod 1-3 leads to
Cross nut 1-5 and connect into fixed frame, fixed frame connects and composes upper ledge 1 by bolt 1-7 with welding table top 1-1；Base 2 is by square tube
2-1, square tube 2-2, square tube 2-3, corner welding block 2-4, sensor fixed block 2-5, small welding block 2-6, bottom support block 2-7 and
Benchmark bending plate 2-8 is welded；L-shaped support knife holds 3 by L-shaped bending plate 3-1, connection gasket post 3-2, packing ring 3-3, caging bolt
3-4 and stop nut 3-5 is constituted, and L-shaped support knife is held 3 and is connected on base 2 by connection gasket post 3-2；Left power transmission arm 4 is by left weldering
Relay arm 4-1, edge of a knife 4-2 and edge of a knife 4-3 are constituted, wherein left welding arm of force 4-1 is blocked up by steel pipe 4-a, deformed steel flats 4-b, cylinder
Head 4-c and Z-shaped welding block 4-d is welded, 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；It is 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, and wherein backhand welding relay arm 5-1 is by steel pipe 4-a, profile iron
Plate 4-b, cylinder plug 4-c and Z-shaped welding block 4-d are welded, and edge of a knife 4-2 and edge of a knife 4-3 are connected by screw and are connect in backhand welding
On arm of force 5-1；Vertical knife holds 6 and holds 6-1, rubber cutting ferrule 6-2 and ball 6-3 by knife and constitutes, and knife holds 6-1 and ball 6-3 by Buddhist nun
Long Card set 6-2 is set in together the vertical knife of composition and holds 6；The small arm of force 7 is by small welding arm of force 7-1, balance weight 7-2, balance screw rod 7-
3rd, adjusting nut 7-4, fixes sleeve 7-5 and edge of a knife 4-3 are constituted, and its medium and small weld force arm 7-1 is by welded plate 7-a, middle welding
Block 7-b and end welding block 7-c are welded, by positions of the adjusting nut 7-4 adjustment block 7-2 on balance screw rod 7-3
Put, edge of a knife 4-3 is connected by screw on small welding arm of force 7-1；Small arm of force support knife hold 8 by connection gasket post 8-1, packing ring 3-3,
Knife holds guide rail 8-3 and knife holds 8-4 and is assembled；Sensor connecting piece 9 is by small bending plate 9-1, groove-type connecting block 9-2, small clip
9-3, small connecting plate 9-4, knife hold 9-5, spacer pin 9-6 and bolt 9-7 and are assembled, and its medium and small bending plate 9-1 is connected with groove profile
Block 9-2 is linked together by bolt 9-7, and groove-type connecting block 9-2 and small connecting plate 9-4 are linked together by spacer pin 9-6,
Knife is held 9-5 and is connected with small connecting plate 9-4 by small clip 9-3；Weighing platform connector 10 by big connecting plate 10-1, big clip 10-2 and
Knife holds 10-3 compositions, and knife is held 10-3 and linked together with big connecting plate 10-1 by big clip 10-2.
In the two sets of lever systems for being formed, the power of first set lever system is from upper ledge 1 and its weight for carrying, resistance
Power is the support reaction of the left power transmission arm 4 of the small arm of force 7 pairs or right power transmission arm 5, and fulcrum is that four L-shaped support knives hold 3.Second set of leverage
The power of system is the pressure of left power transmission arm 4 and right power transmission arm 5 to the small arm of force 7, and resistance is sensor connecting piece 9 to the small arm of force 7
Support reaction, fulcrum is that two small arm of force support knives hold 8.
Base 2 is the frame of whole weighing platform；Left power transmission arm 4 and right power transmission arm 5 play a part of lever, for by upper ledge 1
The power for transmitting carries out first order diminution；The small arm of force 7 is used as second lever, the power after left power transmission arm 4 and right power transmission arm 5 are reduced
Carry out second level diminution；L-shaped support knife hold 3 and the small arm of force 7 be two sets of fulcrums of lever system；Sensor connecting piece 9 is used for will
Power after diminution is passed on sensor 11.It is exactly by this two sets that invention a kind of two-stage lever edge of a knife knife holds formula weighing platform
Lever system, is reduced twice to the power that upper ledge 1 is transmitted, and reaches the mesh that weight is weighed with the high-precision sensor of small-range
's.
Claims (2)
1. a kind of two-stage lever edge of a knife knife holds formula weighing platform, it is characterised in that including a upper ledge for rectangle (1) and positioned at weighing platform bottom
The base (2) in portion, be arranged on (2) four angles of base L-shaped support knife hold (3), be separately positioned on L-shaped support knife hold (3) with it is upper
Left power transmission arm (4), right power transmission arm (5) in symmetrical structure between frame (1), are arranged on the vertical knife in the middle part of base (2) and hold
(6) the small arm of force (7) of (6) overlap joint, is held with vertical knife, the small arm of force (7) supports knife to hold (8) and overlapped with base (2) by the small arm of force,
And overlapped by sensor connecting piece (9) and sensor (11), power is delivered on sensor (11)；Upper ledge (1) conduct is claimed
The direct load bearing component of weight is measured, is overlapped with left power transmission arm (4) and right power transmission arm (5) by weighing platform connector (10), by upper ledge
(1) power of weight is transmitted to left power transmission arm (4) and right power transmission arm (5) above；Left power transmission arm (4) and right power transmission arm (5) are by L-shaped branch
Support knife and hold (3) and base (2) overlap joint, and (6) are held by vertical knife and power is transmitted to the small arm of force (7) with the small arm of force (7) overlap joint；Small power
Arm (7) supports knife to hold (8) and is overlapped with base (2) by the small arm of force, and is taken with sensor (11) by sensor connecting piece (9)
Connect, so as to transfer force on sensor (11)；Left power transmission arm (4), right power transmission arm (5) and the small arm of force (7) three form two sets
Lever system, it is characterised in that：
The upper ledge (1) of the rectangle is held by welding table top (1-1), welded grider (1-2), screw rod (1-3), nut (1-5), cylindrical cutter
(1-4), the first bolt (1-6) and the second bolt (1-7) are constituted, and cylindrical cutter holds (1-4) and is connected in weldering by the first bolt (1-6)
Connect on beam (1-2), welded grider (1-2) connects into fixed frame with screw rod (1-3) by nut (1-5), fixed frame passes through the second spiral shell
Bolt (1-7) connects and composes upper ledge (1) with welding table top (1-1)；
The L-shaped support knife holds (3) by L-shaped bending plate (3-1), connection gasket post (3-2), packing ring (3-3), caging bolt (3-4)
Constituted with stop nut (3-5), L-shaped support knife is held (3) and is connected on base (2) by connection gasket post (3-2)；
The left power transmission arm (4) is made up of the left welding arm of force (4-1), first edge of a knife (4-2) and second edge of a knife (4-3), wherein left
The 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),
First edge of a knife (4-2) and second edge of a knife (4-3) are connected by screw on the left welding arm of force (4-1)；
The right power transmission arm (5) is made up of backhand welding relay arm (5-1), first edge of a knife (4-2) and second edge of a knife (4-3), wherein right
The welding arm of force (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),
First edge of a knife (4-2) and second edge of a knife (4-3) are connected by screw in backhand welding relay arm (5-1)；
The sensor connecting piece (9) is by small bending plate (9-1), groove-type connecting block (9-2), small clip (9-3), small connecting plate
(9-4), knife hold (9-5), spacer pin (9-6) and bolt (9-7) and are assembled, its medium and small bending plate (9-1) and groove-type connecting block
(9-2) is linked together by bolt (9-7), and groove-type connecting block (9-2) and small connecting plate (9-4) are connected by spacer pin (9-6)
It is connected together, knife is held (9-5) and is connected with small connecting plate (9-4) by small clip (9-3).
2. a kind of two-stage lever edge of a knife knife according to claim 1 holds formula weighing platform, it is characterised in that the upper ledge (1)
Welding table top (1-1) is welded by angle steel, and welded grider (1-2) is welded by elongate steel plate (1-a) and two welding blocks (1-b)
Form；Base (2) is by the first square tube (2-1), the second square tube (2-2), third party's pipe (2-3), corner welding block (2-4), sensing
Device fixed block (2-5), small welding block (2-6), bottom support block (2-7) and benchmark bending plate (2-8) are welded；Vertical knife holds
(6) hold (6-1), rubber cutting ferrule (6-2) and ball (6-3) by knife to constitute, knife holds (6-1) and ball (6-3) passes through nylon cutting ferrule
(6-2) is set in together the vertical knife of composition and holds (6)；The small arm of force (7) is by the small welding arm of force (7-1), balance weight (7-2), balance spiral shell
Bar (7-3), adjusting nut (7-4), fixes sleeve (7-5) and second edge of a knife (4-3) composition, its medium and small weld force arm (7-1) by
Welded plate (7-a), middle welding block (7-b) and end welding block (7-c) are welded, and adjust flat by adjusting nut (7-4)
Position of weighing apparatus block (7-2) in balance screw rod (7-3), second edge of a knife (4-3) is connected by screw in the small welding arm of force (7-1)
On；Small arm of force support knife hold (8) guide rail (8-3) is held by connection gasket post (8-1), packing ring (3-3), knife and knife hold (8-4) assemble and
Into；Weighing platform connector (10) holds (10-3) and constitutes by big connecting plate (10-1), big clip (10-2) and knife, and knife holds (10-3) and passes through
Big clip (10-2) links together with big connecting plate (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 CN104776906A (en) | 2015-07-15 |
| CN104776906B true 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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Families Citing this family (2)
| 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 |
| 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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| 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 prcision electronic balance |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7214892B2 (en) * | 2005-03-15 | 2007-05-08 | Metro Corporation | Scale lever assembly |
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2015
- 2015-03-19 CN CN201510124321.7A patent/CN104776906B/en active Active
Patent Citations (4)
| 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 prcision electronic balance |
| 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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| CN104776906A (en) | 2015-07-15 |
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