CN109556788B - Orthogonal knife bearing device for centroid measuring device - Google Patents
Orthogonal knife bearing device for centroid measuring device Download PDFInfo
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- CN109556788B CN109556788B CN201811359214.2A CN201811359214A CN109556788B CN 109556788 B CN109556788 B CN 109556788B CN 201811359214 A CN201811359214 A CN 201811359214A CN 109556788 B CN109556788 B CN 109556788B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M1/00—Testing static or dynamic balance of machines or structures
- G01M1/12—Static balancing; Determining position of centre of gravity
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- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Details Of Cutting Devices (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model provides an orthogonal knife bearing device for barycenter measuring device, includes blade holder, shim, lower blade holder, and upper blade holder, shim, lower blade holder are cake type structure, have upper shim tool line and lower shim tool line respectively on the upper and lower face of shim, install lower knife and last knife respectively on lower blade holder and upper blade holder, and lower knife and last knife cooperate with the lower shim tool line and the upper shim tool line of shim respectively. The upper cutter pad cutter line and the lower cutter pad cutter line are orthogonal to each other. The upper tool apron is provided with an upper tool apron positioning pin hole and an upper tool apron fastening hole. And the lower tool apron is provided with a lower tool apron positioning pin hole and a lower tool apron fastening hole.
Description
Technical Field
The invention belongs to the field of centroid measurement, and particularly relates to an orthogonal knife bearing device for a centroid measurement device.
Background
The determination of the mass of a substance, generally by comparison on a balance with a weight, is known in metrology as a measurement. The precision of measurement is directly related to the precision of a measuring instrument, a beam on the balance is a lever for transmitting force or moment during measurement, and the transmission precision is directly influenced by a support on the lever. The support for manufacturing the balance beam has the advantages of stable working contact surface under an allowable load, good wear resistance of materials, insensitivity to temperature change, small friction torque and the like. Therefore, the knife bearing is suitable for being used as a support of a beam of the mechanical balance and is realized by adopting a structure that the knife is matched with the knife bearing.
The orthogonal knife bearing is a key part and a basic part for measuring the mass center. It determines the defined coordinates and sensitivity of the centroid measurement. When designing the orthogonal knife bearing, the factors of stress and positioning, coordinate system transmission and the like are mainly considered.
Disclosure of Invention
The invention aims to: an orthogonal knife holder assembly for a centroid measuring assembly is provided.
The technical scheme of the invention is as follows: the utility model provides an orthogonal knife bearing device for barycenter measuring device, includes blade holder, shim, lower blade holder, and upper blade holder, shim, lower blade holder are cake type structure, have upper shim tool line and lower shim tool line respectively on the upper and lower face of shim, install lower knife and last knife respectively on lower blade holder and upper blade holder, and lower knife and last knife cooperate with the lower shim tool line and the upper shim tool line of shim respectively.
The upper cutter pad cutter line and the lower cutter pad cutter line are orthogonal to each other.
The upper tool apron is provided with an upper tool apron positioning pin hole and an upper tool apron fastening hole.
And the lower tool apron is provided with a lower tool apron positioning pin hole and a lower tool apron fastening hole.
Go up the blade holder and fix a position with the shim through last blade holder location pinhole to guarantee to go up the knife and go up the shim knife line and cooperate completely, fasten through last blade holder fastening hole again.
The lower tool apron is positioned with the tool pad through the lower tool apron positioning pin hole, so that the complete matching of the lower tool and the tool line of the lower tool pad is ensured, and the lower tool apron is fastened through the lower tool apron fastening hole.
The radius of the top of the knife line of the upper knife pad is less than 0.1 mm
The radius of the top of the knife line of the lower knife pad is less than 0.1 mm.
The radius of the top of the upper knife is less than 0.05 mm.
The radius of the top of the lower knife is less than 0.05 mm.
The invention has the following remarkable effects: low cost and obvious effect.
Drawings
FIG. 1 is a schematic view of an orthogonal knife bearing device for a centroid measuring device according to the present invention
FIG. 2 is a schematic view of the upper knife of the orthogonal knife bearing device for the centroid measuring device according to the present invention
FIG. 3 is a schematic view of the perpendicular knife holder assembly shim used in the centroid measuring device according to the present invention
FIG. 4 is a schematic diagram of the tip of the orthogonal knife holder assembly for centroid measuring device according to the present invention
FIG. 5 is a schematic view of the tip of the orthogonal knife holder assembly for centroid measuring device according to the present invention
In the figure: 1-lower tool apron fastening hole, 2-lower tool apron, 3-lower tool apron positioning pin hole, 4-lower tool apron, 5-tool apron positioning pin, 6-tool pad, 7-upper tool apron, 8-upper tool apron positioning pin hole, 9-upper tool apron fastening hole, 10-upper tool apron, 11-upper tool pad knife line and 12-lower tool pad knife line
Detailed Description
The utility model provides an orthogonal knife bearing device for barycenter measuring device, including last blade holder 7, the shim 6, lower blade holder 4, go up blade holder 7, the shim 6, lower blade holder 4 is cake type structure, there are last shim tool line 11 and lower shim tool line 12 respectively on the upper and lower face of shim 6, install lower knife 2 and last knife 10 respectively on lower blade holder 4 and last blade holder 7, and lower knife 2 and last knife 10 respectively with the lower shim tool line 12 and the cooperation of last shim tool line 11 of shim 6, and go up shim tool line 11 and lower shim tool line 12 quadrature each other, have upper blade holder location pinhole 8 and upper blade holder fastening hole 9 on last blade holder 7, and have lower blade holder location pinhole 3 and lower blade holder fastening hole 1 on the lower blade holder.
Lower blade holder 4 is fixed a position through lower blade holder location pinhole 3 and shim 6 to guarantee that lower knife 2 and shim tool line 12 cooperate completely, the rethread lower blade holder fastening hole 1 fastens, and go up blade holder 7 and fix a position through last blade holder location pinhole 8 and shim 6, thereby guarantee to go up knife 10 and shim tool line 11 and cooperate completely, fasten through last blade holder fastening hole 9 again and fasten
As shown in fig. 3, the top radius of the upper shim toolline 11 (or the lower shim toolline 12) is less than 0.1 mm,
as shown in fig. 4 and 5, the radius of the top of the upper knife 10 (or the lower knife 2) is less than 0.05 mm.
The utility model provides an orthogonal knife bearing device for barycenter measuring device, includes blade holder, shim, lower blade holder, and upper blade holder, shim, lower blade holder are cake type structure, have upper shim tool line and lower shim tool line respectively on the upper and lower face of shim, install lower knife and last knife respectively on lower blade holder and upper blade holder, and lower knife and last knife cooperate with the lower shim tool line and the upper shim tool line of shim respectively.
The upper cutter pad cutter line and the lower cutter pad cutter line are orthogonal to each other.
The upper tool apron is provided with an upper tool apron positioning pin hole and an upper tool apron fastening hole.
And the lower tool apron is provided with a lower tool apron positioning pin hole and a lower tool apron fastening hole.
Go up the blade holder and fix a position with the shim through last blade holder location pinhole to guarantee to go up the knife and go up the shim knife line and cooperate completely, fasten through last blade holder fastening hole again.
The lower tool apron is positioned with the tool pad through the lower tool apron positioning pin hole, so that the complete matching of the lower tool and the tool line of the lower tool pad is ensured, and the lower tool apron is fastened through the lower tool apron fastening hole.
The radius of the top of the knife line of the upper knife pad is less than 0.1 mm
The radius of the top of the knife line of the lower knife pad is less than 0.1 mm.
The radius of the top of the upper knife is less than 0.05 mm.
The radius of the top of the lower knife is less than 0.05 mm.
The invention has the following remarkable effects: low cost and obvious effect.
The determination of the mass of a substance, generally by comparison on a balance with a weight, is known in metrology as a measurement. The precision of measurement is directly related to the precision of a measuring instrument, a beam on the balance is a lever for transmitting force or moment during measurement, and the transmission precision is directly influenced by a support on the lever. The support for manufacturing the balance beam has the advantages of stable working contact surface under an allowable load, good wear resistance of materials, insensitivity to temperature change, small friction torque and the like. Therefore, the knife bearing is suitable for being used as a support of a beam of the mechanical balance and is realized by adopting a structure that the knife is matched with the knife bearing.
The orthogonal knife bearing is a key part and a basic part for measuring the mass center. It determines the defined coordinates and sensitivity of the centroid measurement. When designing the orthogonal knife bearing, the factors of stress and positioning, coordinate system transmission and the like are mainly considered.
The utility model provides an orthogonal knife bearing device for barycenter measuring device, including last blade holder 7, the shim 6, lower blade holder 4, go up blade holder 7, the shim 6, lower blade holder 4 is cake type structure, there are last shim tool line 11 and lower shim tool line 12 respectively on the upper and lower face of shim 6, install lower knife 2 and last knife 10 respectively on lower blade holder 4 and last blade holder 7, and lower knife 2 and last knife 10 respectively with the lower shim tool line 12 and the cooperation of last shim tool line 11 of shim 6, and go up shim tool line 11 and lower shim tool line 12 quadrature each other, have upper blade holder location pinhole 8 and upper blade holder fastening hole 9 on last blade holder 7, and have lower blade holder location pinhole 3 and lower blade holder fastening hole 1 on the lower blade holder.
Lower blade holder 4 is fixed a position through lower blade holder location pinhole 3 and shim 6 to guarantee that lower knife 2 and shim tool line 12 cooperate completely, the rethread lower blade holder fastening hole 1 fastens, and go up blade holder 7 and fix a position through last blade holder location pinhole 8 and shim 6, thereby guarantee to go up knife 10 and shim tool line 11 and cooperate completely, fasten through last blade holder fastening hole 9 again and fasten
As shown in fig. 3, the top radius of the upper shim toolline 11 (or the lower shim toolline 12) is less than 0.1 mm,
as shown in fig. 4 and 5, the radius of the top of the upper knife 10 (or the lower knife 2) is less than 0.05 mm.
Claims (10)
1. The utility model provides an orthogonal knife bearing device for barycenter measuring device which characterized in that: the upper tool apron (7), the tool pad (6) and the lower tool apron (4) are of a round cake type structure, an upper tool pad tool line (11) and a lower tool pad tool line (12) are arranged on the upper surface and the lower surface of the tool pad (6) respectively, a lower tool (2) and an upper tool (10) are arranged on the lower tool apron (4) and the upper tool apron (7) respectively, and the lower tool (2) and the upper tool (10) are matched with the lower tool pad tool line (12) and the upper tool pad tool line (11) of the tool pad (6) respectively.
2. The orthogonal knife holder assembly for centroid measuring apparatus as claimed in claim 1 wherein: the upper cutter pad cutter line (11) and the lower cutter pad cutter line (12) are orthogonal to each other.
3. The orthogonal knife holder assembly for centroid measuring apparatus as claimed in claim 1 wherein: an upper cutter holder positioning pin hole (8) and an upper cutter holder fastening hole (9) are formed in the upper cutter holder (7).
4. The orthogonal knife holder assembly for centroid measuring apparatus as claimed in claim 1 wherein: the lower tool apron is provided with a lower tool apron positioning pin hole (3) and a lower tool apron fastening hole (1).
5. The orthogonal knife holder assembly for centroid measuring apparatus as claimed in claim 3 wherein: go up blade holder (7) and fix a position through last blade holder location pinhole (8) and shim (6) to guarantee to go up knife (10) and the complete cooperation of upper shim tool line (11), fasten through last blade holder fastening hole (9) again.
6. The orthogonal knife holder assembly for centroid measuring apparatus as claimed in claim 4 wherein: the lower tool apron (4) is positioned with the tool pad (6) through the lower tool apron positioning pin hole (3), so that the lower tool (2) is completely matched with the lower tool pad tool line (12), and then is fastened through the lower tool apron fastening hole (1).
7. The orthogonal knife holder assembly for centroid measuring apparatus as claimed in claim 1 wherein: the radius of the top of the upper shim knife line (11) is less than 0.1 mm.
8. The orthogonal knife holder assembly for centroid measuring apparatus as claimed in claim 1 wherein: the radius of the top of the knife line (12) of the lower knife pad is less than 0.1 mm.
9. The orthogonal knife holder assembly for centroid measuring apparatus as claimed in claim 1 wherein: the radius of the top of the upper knife (10) is less than 0.05 mm.
10. The orthogonal knife holder assembly for centroid measuring apparatus as claimed in claim 1 wherein: the radius of the top of the lower knife (2) is less than 0.05 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811359214.2A CN109556788B (en) | 2018-11-15 | 2018-11-15 | Orthogonal knife bearing device for centroid measuring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811359214.2A CN109556788B (en) | 2018-11-15 | 2018-11-15 | Orthogonal knife bearing device for centroid measuring device |
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| Publication Number | Publication Date |
|---|---|
| CN109556788A CN109556788A (en) | 2019-04-02 |
| CN109556788B true CN109556788B (en) | 2021-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811359214.2A Active CN109556788B (en) | 2018-11-15 | 2018-11-15 | Orthogonal knife bearing device for centroid measuring device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3421595A (en) * | 1964-02-20 | 1969-01-14 | Bizerba Werke Kraut Kg Wilh | Balance-beam suspension |
| US3587762A (en) * | 1967-10-25 | 1971-06-28 | Sauter Kg August | Weighing balances |
| US4679643A (en) * | 1985-01-21 | 1987-07-14 | Advanced Micro Electronic Components And Systems | Capacitive weighing device |
| CN2096048U (en) * | 1991-06-02 | 1992-02-12 | 李凤才 | Portable scale |
| CN104776906A (en) * | 2015-03-19 | 2015-07-15 | 云南昆船电子设备有限公司 | Two-stage lever cutting edge cutter-bearing weighing platform |
| CN106289493A (en) * | 2016-08-29 | 2017-01-04 | 中国计量科学研究院 | A kind of big apparatus for measuring quality of high accuracy |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205642735U (en) * | 2016-04-22 | 2016-10-12 | 黄泉善 | Center mass measuring device |
-
2018
- 2018-11-15 CN CN201811359214.2A patent/CN109556788B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3421595A (en) * | 1964-02-20 | 1969-01-14 | Bizerba Werke Kraut Kg Wilh | Balance-beam suspension |
| US3587762A (en) * | 1967-10-25 | 1971-06-28 | Sauter Kg August | Weighing balances |
| US4679643A (en) * | 1985-01-21 | 1987-07-14 | Advanced Micro Electronic Components And Systems | Capacitive weighing device |
| CN2096048U (en) * | 1991-06-02 | 1992-02-12 | 李凤才 | Portable scale |
| CN104776906A (en) * | 2015-03-19 | 2015-07-15 | 云南昆船电子设备有限公司 | Two-stage lever cutting edge cutter-bearing weighing platform |
| CN106289493A (en) * | 2016-08-29 | 2017-01-04 | 中国计量科学研究院 | A kind of big apparatus for measuring quality of high accuracy |
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| Publication number | Publication date |
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| CN109556788A (en) | 2019-04-02 |
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