CN106289643B - The center of gravity measurement tooling of on-circular cross-section product - Google Patents
The center of gravity measurement tooling of on-circular cross-section product Download PDFInfo
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- CN106289643B CN106289643B CN201610911482.5A CN201610911482A CN106289643B CN 106289643 B CN106289643 B CN 106289643B CN 201610911482 A CN201610911482 A CN 201610911482A CN 106289643 B CN106289643 B CN 106289643B
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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
- G01M1/122—Determining position of centre of gravity
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Balance (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a kind of center of gravity measurement toolings of on-circular cross-section product, it include: pedestal, it includes orthogonal first and second bracket, and one end of second support is fixed in first support, and the bottom of the other end at the both ends and second support of first support is provided with weight measuring equipment；Two the first locating pieces, one of them first locating piece are fixed in first support, another is movably arranged at the other end of second support, and two the first locating pieces are aligned setting along the length direction of first support；Two the second locating pieces, two the second locating pieces are respectively removable installed in the top of two the first locating pieces, are also aligned setting along the length direction of first support；First locating piece and product to be measured are in close contact, and the second locating piece and product to be measured are in close contact.The tool structure is easy, is machined after integral solder molding, saves assembling link, calculates size and participates in calculating by the measured value after actual measurement machine-shaping, reduces systematic error.
Description
Technical field
The invention belongs to field of measuring technique, are related to a kind of center of gravity measurement tooling of on-circular cross-section product.
Background technique
For such as cross section be on-circular cross-section, size is smaller, lighter in weight product, and center of gravity data is as the product
Important technology index, more demanding to accuracy of measurement, common measurement method is difficult to meet the requirements.Such product commonly weighs
Heart measurement method is: product is placed on weighing bracket by former and later two armful of ring, is respectively placed under four fulcrums of weighing bracket
One tableland scale determines center of gravity by 4 force measuring methods.4 dynamometry toolings are the split type tooling in front and back, and weighing needs adjustment every time
Front and back tooling to heart precision, calibration procedures manual operation randomness is larger, and front and back tooling is not high to heart precision, embrace ring center with
The registration accuracy of product axial line not can guarantee yet, and furthermore 4 dynamometry toolings are assembly, and the fit-up gap of tooling can be with production
Product distribution of weight generates certain variation, and systematic error is larger.(on-circular cross-section, size be small, again for the product for 4 points of measurement toolings
Amount is light) mass center measurement precision it is lower, the stability of measurement result is poor, and confidence level is lower.Therefore on-circular cross-section, size are directed to
The center of gravity measurement tooling of small, light-weight product design degree of precision seems particularly necessary.
Summary of the invention
It is excellent it is an object of the invention to solve at least the above problems and/or defect, and provide at least to will be described later
Point.
It is a still further object of the present invention to provide a kind of center of gravity measurement toolings of on-circular cross-section product.
For this purpose, technical solution provided by the invention are as follows:
A kind of center of gravity measurement tooling of on-circular cross-section product, comprising:
Pedestal comprising orthogonal first support and second support, one end of the second support are fixed on described
In first support, the bottom of the other end of the both ends of the first support and the second support is provided with weight measurement and sets
It is standby；
Two the first locating pieces, one of them first locating piece are fixed in the first support, another first positioning
Block is movably arranged at the other end of the second support, and two first locating pieces are along the length side of the first support
It is arranged to alignment；
Two the second locating pieces, it is fixed that two second locating pieces are respectively removable installed in described two first
The top of position block, and described two second locating pieces are also aligned setting along the length direction of the first support；
And first locating piece and product to be measured are in close contact to position the product to be measured, described second is fixed
Position block and the product to be measured are in close contact to position the product to be measured.
Preferably, the center of gravity measurement tooling of the on-circular cross-section product, further includes:
The support of three bulbs, one end of three bulbs support be respectively fixed in the first support both ends and
At the other end of the second support, the other end of three bulbs support is respectively fixed in the corresponding weight and surveys
It measures in equipment.
Preferably, the center of gravity measurement tooling of the on-circular cross-section product, further includes:
Mounting base is fixed on the other end of the second support, is provided with described in multiple rows of be parallel in the mounting base
Multiple interfaces of the line of centres of the bulb support at first support both ends, another described first locating piece are connect by the multiple
Mouth is removably installed in the mounting base.
Preferably, in the center of gravity measurement tooling of the on-circular cross-section product, one end of described two first locating pieces
Place is each provided with a column along the vertical direction, and the column forms lateral register face.
Preferably, in the center of gravity measurement tooling of the on-circular cross-section product, described two first locating pieces upper surface
It is provided with location hole, described two second locating pieces respectively pass through key pin and are fixed in the location hole.
Preferably, the center of gravity measurement tooling of the on-circular cross-section product, further includes:
Tooling leveling benchmark face, is set to the top of the first support and mounting base；
Counterweight places position, is set on tooling leveling benchmark face.
Preferably, in the center of gravity measurement tooling of the on-circular cross-section product, the one side of the product to be measured is along boat
To the another side being rotated by 90 ° as the product to be measured.
Preferably, in the center of gravity measurement tooling of the on-circular cross-section product, first locating piece is generally rectangular shaped,
Second locating piece is wedge shaped, and the wedge shape and the another side of the product to be measured match.
The present invention is include at least the following beneficial effects:
Using center of gravity measurement tooling of the invention, the distribution of weight of on-circular cross-section product in different positions can be measured, is tied
The design size for closing tooling can calculate the center of gravity data of product.By adjusting longitudinal position of first locating piece in mounting base
It sets, the Gravity Centre of Product measurement that can realize different sizes, cross sectional shape from the second locating piece that product shape is adapted is installed.The work
Assembling structure is easy, and manufacture craft is to be machined after integral solder forms, and eliminates the assembling link of common center of gravity measurement tooling,
It calculates size to participate in calculating by the measured value after actual measurement machine-shaping, reduces systematic error.
Further advantage, target and feature of the invention will be partially reflected by the following instructions, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the center of gravity measurement tooling of on-circular cross-section product of the present invention；
Fig. 2 is the schematic cross-section of the product to be measured of the present invention in one embodiment.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art referring to specification text
Word can be implemented accordingly.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or more
The presence or addition of a other elements or combinations thereof.
As depicted in figs. 1 and 2, the present invention provides a kind of center of gravity measurement tooling of on-circular cross-section product, comprising:
Pedestal 2 comprising orthogonal first support and second support, one end of the second support are fixed on described
In first support, the bottom of the other end of the both ends of the first support and the second support is provided with weight measurement and sets
It is standby；The pedestal is T-type, and the T-shape pedestal 2 of horizontal direction provides support for product.
Two the first locating pieces 4, one of them first locating piece are fixed in the first support, another first positioning
Block is movably arranged at the other end of the second support, and two first locating pieces are along the length side of the first support
It is arranged to alignment；Two first locating pieces are separately mounted to 2 front and rear of T-shape pedestal, the upper surface of horizontal direction
It is used for positioning product with the medial surface Precision Machining of vertical direction, realizes the measurement to product X to center of gravity.
Two the second locating pieces 5, two second locating pieces are respectively removable installed in described two first
The top of locating piece, and described two second locating pieces are also aligned setting along the length direction of the first support；This two
The medial surface Precision Machining of two locating piece upper faces and vertical direction is used for positioning product.The wedge angle of second locating piece 5
Depending on product outline size, guarantee that product is rotated by 90 ° along course and be loaded when on the second locating piece 5, product symmetrical plane with
Horizontal plane is parallel, realizes the measurement of product Y-direction and Z-direction center of gravity.
And first locating piece and product to be measured are in close contact to position the product to be measured, described second is fixed
Position block and the product to be measured are in close contact to position the product to be measured.
The positioning surface of two the first locating pieces 4 and two the second locating pieces 5 takes the mode of one-time mechanical processing in place, protects
The consistency of barrier front and back positioning surface.By lengthwise position of first locating piece 4 in mounting base 3, manufactures and mutually fitted with product shape
The second locating piece 5 answered can realize the Gravity Centre of Product measurement of different sizes, cross sectional shape.Measuring system, which is cancelled, embraces ring, evades
Embrace the position error that ring introduces.
In the above scheme, preferably, being each provided with along the vertical direction at one end of described two first locating pieces
One column, the column form lateral register face.In this way, the ground and side of the locating piece are used to position volume production to be measured simultaneously
Product keep its positioning stronger.
It is of the invention in one embodiment, preferably, further include:
The support of three bulbs, one end of three bulbs support be respectively fixed in the first support both ends and
At the other end of the second support, the other end of three bulbs support is respectively fixed in the corresponding weight and surveys
It measures in equipment.After product is loaded on the base 2, by the vertically arranged 3 bulbs support 1 in 2 bottom of T-shape pedestal, by product
On the weight measuring equipment that weight reflection supports 1 bottom to 3 bulbs.
In the above scheme, preferably, further include:
Mounting base 3 is fixed on the other end of the second support, is provided with described in multiple rows of be parallel in the mounting base
Multiple interfaces of first support, another described first locating piece are removably installed in the installation by the multiple interface
On seat.Mounting base 3 is welded on 2 front end of T-shape pedestal, thereon with the interface 6 for adjusting 4 position of the first locating piece, is used for
Measure the product of different length size.
It is of the invention in one embodiment, preferably, described two first locating pieces upper surface be provided with it is fixed
Position hole, described two second locating pieces respectively pass through key pin and are fixed in the location hole.
It is of the invention in one embodiment, preferably, further include:
Tooling leveling benchmark face 8, is set to the top of the first support and mounting base；With the upper surface of mounting base 3
It is used cooperatively, the levelness of tooling when being built for center-of-gravity regulating measuring table
Counterweight places position 7, is set on tooling leveling benchmark face 8, for putting after center of gravity measurement platform building
Counterweight is set, the variation of front and back testee position of centre of gravity is placed by comparison counterweight to check the measurement accuracy of tooling.
It is of the invention in one embodiment, preferably, the one side of the product to be measured is rotated by 90 ° along course
The another side of the as described product to be measured.
It is of the invention in one embodiment, preferably, first locating piece is generally rectangular shaped, described second
Locating piece is wedge shaped, and the wedge shape and the another side of the product to be measured match.
It is of the invention in one embodiment, tooling include bulb support 1, T-shape pedestal 2, mounting base 3, first
Locating piece 4, the second locating piece 5, interface 6, counterweight place position 7, tooling leveling benchmark face 8.
Functional component: bulb supports 1, T-shape pedestal 2, mounting base 3, the first locating piece 4, the second locating piece 5.
Certain product cross section is as shown in Figure 2.Before Gravity Centre of Product measurement, center of gravity measurement platform is built, by center of gravity measurement tooling
The support of 3 bulbs 1 be individually positioned on 3 scale faces on horizontal platform, on the basis of tooling leveling benchmark face 8, use height
Rule, by adjusting the supporting leg of scale for tooling level-off.Tooling does not install the second locating piece 5 at this time, and product is placed on first and is determined
On the block 4 of position, product bottom surface, side are positioned respectively with the medial surface of the upper surface of 4 horizontal direction of the first locating piece and vertical direction,
The center of gravity data of product both direction can be calculated by the registration combination Fixture Design size of 3 scales；Hang product, such as Fig. 1
The second locating piece 5 of shown installation, product is rotated by 90 ° along course and is placed on the second locating piece 5, and the side of product is fixed with second
The upper surface positioning of position block 5, bottom surface are positioned with the medial surface of 5 vertical direction of the second locating piece, pass through the registration combination work of 3 scales
Dress design size calculates the center of gravity data in another direction of product.On-circular cross-section product 3 can be measured by above step
The center of gravity data in direction.
Module number and treatment scale described herein are for simplifying explanation of the invention.To of the invention non-circular section
The application of the center of gravity measurement tooling of face product, modifications and variations will be readily apparent to persons skilled in the art.
Using simple tooling of the invention, product, which is loaded, to be located on the first locating piece 4 or the second locating piece 5, by with
The weighing-appliance of 1 contact of bulb support reads weight data, calculates center of gravity in conjunction with the design size of simple tooling, solves non-
The problem of circular section product weight center of gravity high-acruracy survey, ensure that the reliability of measurement result, improve the labor of measurement work
Efficiency of movement.When needing to measure the center of gravity of different sizes, cross sectional shape product, the first locating piece 4 only need to be adjusted in mounting base 3
Lengthwise position, installation with product shape be adapted the second locating piece 5.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and legend shown and described herein.
Claims (8)
1. a kind of center of gravity measurement tooling of on-circular cross-section product characterized by comprising
Pedestal comprising orthogonal first support and second support, one end of the second support are fixed on described first
On bracket, the bottom of the other end of the both ends of the first support and the second support is provided with weight measuring equipment；
Two the first locating pieces, one of them first locating piece are fixed in the first support, another first locating piece can
Movably it is set to the other end of the second support, length direction pair of two first locating pieces along the first support
Neat setting；
Two the second locating pieces, two second locating pieces are respectively removable installed in described two first locating pieces
Top, and described two second locating pieces also along the second support length direction be aligned setting；
And the close contact of first locating piece and product to be measured to be to position the product to be measured, or, described second is fixed
Position block and the product to be measured are in close contact to position the product to be measured.
2. the center of gravity measurement tooling of on-circular cross-section product as described in claim 1, which is characterized in that further include:
The support of three bulbs, one end of three bulbs support are respectively fixed in the both ends of the first support and described
At the other end of second support, the other end of three bulbs support is respectively fixed in the corresponding weight measurement and sets
It is standby upper.
3. the center of gravity measurement tooling of on-circular cross-section product as claimed in claim 2, which is characterized in that further include:
Mounting base is fixed on the other end of the second support, is provided in the mounting base and multiple rows of is parallel to described first
Multiple interfaces of the line of centres of the bulb support at bracket both ends, another described first locating piece can by the multiple interface
It is releasably installed in the mounting base.
4. the center of gravity measurement tooling of on-circular cross-section product as described in claim 1, which is characterized in that described two first positioning
A column is each provided at one end of block along the vertical direction, the column forms lateral register face.
5. the center of gravity measurement tooling of on-circular cross-section product as described in claim 1, which is characterized in that described two first positioning
Block upper surface is provided with location hole, and described two second locating pieces respectively pass through key pin and are fixed in the location hole.
6. the center of gravity measurement tooling of on-circular cross-section product as claimed in claim 3, which is characterized in that further include:
Tooling leveling benchmark face, is set to the top of the first support and mounting base；
Counterweight places position, is set on tooling leveling benchmark face.
7. the center of gravity measurement tooling of on-circular cross-section product as described in claim 1, which is characterized in that the product to be measured
The another side as the product to be measured is rotated by 90 ° along course on one side.
8. the center of gravity measurement tooling of on-circular cross-section product as described in claim 1, which is characterized in that first locating piece is in
Rectangle, second locating piece is wedge shaped, and the wedge shape and the another side of the product to be measured match.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610911482.5A CN106289643B (en) | 2016-10-19 | 2016-10-19 | The center of gravity measurement tooling of on-circular cross-section product |
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| CN201610911482.5A CN106289643B (en) | 2016-10-19 | 2016-10-19 | The center of gravity measurement tooling of on-circular cross-section product |
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| CN106289643B true CN106289643B (en) | 2018-12-25 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108402516A (en) * | 2017-02-09 | 2018-08-17 | 红塔烟草(集团)有限责任公司 | Tipping paper positioning device |
| CN111207887A (en) * | 2019-12-10 | 2020-05-29 | 中船重工海空智能装备有限公司 | Unmanned aerial vehicle weight focus measuring device |
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