CN103698208A - Combination fixture for testing six-degree of freedom rigidity of special component - Google Patents
Combination fixture for testing six-degree of freedom rigidity of special component Download PDFInfo
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- CN103698208A CN103698208A CN201310746499.6A CN201310746499A CN103698208A CN 103698208 A CN103698208 A CN 103698208A CN 201310746499 A CN201310746499 A CN 201310746499A CN 103698208 A CN103698208 A CN 103698208A
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Abstract
The invention discloses a combination fixture for testing six-degree of freedom rigidity of a special component. The combination fixture comprises an A-shaped upper fixture, an A-shaped lower fixture, a B-shaped upper fixture and a B-shaped lower fixture, wherein the A-shaped upper fixture adopts an A-shaped upper fixture body connected to an upper chuck of a tester; an A-shaped first clamping hole is formed in the A-shaped upper fixture body in the vertical direction, and is used for mounting a first joint or a second joint; the A-shaped upper fixture body is connected with an A-shaped fastening piece for fixing the first joint or the second joint. The combination fixture for testing the six-degree of freedom rigidity of the special component has the following advantages: the combination fixture can be adopted to finish all testing items of the special component to be tested, has better generality, can quickly realize the replacement of clamping schemes, reduces the clamping time and labor intensity to the greatest degree, and has better rigidity.
Description
Technical field
The present invention relates to a kind of rigidity test of member, belong to mechanical processing technique and field tests, relate in particular to a kind of reconfigurable built-up jig.
Background technology
At present, for standard specimen, carry out rigidity test, the standard cartridge clamping that can adopt testing machine to provide.But for the special-shaped component of using in engineering, standard cartridge cannot meet test request.Can use for reference the frock clamp thought in field of machining, well-known, built-up jig, as the very high technological equipment of a kind of universalization degree, has reconfigurable feature for this reason.Jia Xiangyun, in " applied research of built-up jig in Mechanical Product's Machining " literary composition, for the processing instance of a kind of angle location profiled piece, has introduced the use-pattern of built-up jig.This built-up jig can effectively complete location and the adjustment of three directions of mitre joint x, y, z.But for relating to special-shaped component, there are two joints, test respectively line rigidity and the angular rigidity of three directions of its x, y, z, need to consider more more complicated operating modes, and existing built-up jig can not head it off.
Summary of the invention
The object of the invention is to overcome the shortcoming of prior art, a kind of good versatility that has is provided, can realize faster the replacing of clamping scheme, save to greatest extent clamping time and labour intensity, and there is a kind of built-up jig for special-shaped component six degree of freedom rigidity test of good rigidity.
In order to achieve the above object, the technical solution used in the present invention is:
A kind of built-up jig for special-shaped component six degree of freedom rigidity test of the present invention, it comprises fixture in A type, A type lower clamp, fixture and Type B lower clamp on Type B, in described A type, fixture is clamp body in the A type being connected on testing machine upper grip, in described A type, on clamp body, have A type the first holes for clamping vertically arranging, described A type the first holes for clamping is used for installing the first joint or the second joint, in described A type, on clamp body, be connected with and fix the A type securing member that the first joint or the second joint are used, described A type lower clamp comprises the base plate being fixed on testing table, on described base plate, be fixed with two side plates that left and right is oppositely arranged, symmetrically respectively at the top of two side plates have one and be horizontally disposed with or mounting groove that tilted direction arranges, described be horizontally disposed with or the mounting groove of tilted direction setting in the corresponding side's of packing into cushion block or taper liner piece, the two ends of A type lower clamp chuck are respectively in the draw-in groove that is horizontally disposed with or is obliquely installed of the side's of being contained in cushion block or taper liner piece and be fixed on two side plates by the square pressing plate of A type lower clamp or A type lower clamp abnormity pressing plate, described A type lower clamp chuck comprises A type lower clamp chuck body and is fixed on the briquetting on A type lower clamp chuck body, on described A type lower clamp chuck body and briquetting, have the first semicircle orifice, two described the first semicircle orifices are configured for A type second holes for clamping of the fixture splice of clamping special-shaped component, on described Type B, fixture is clamp body on the Type B being connected on testing machine upper grip, on described Type B, on clamp body, have Type B the first holes for clamping that along continuous straight runs arranges, described Type B the first holes for clamping is used for installing the first joint or the second joint, on described Type B, on clamp body, be connected with and fix the Type B securing member that the first joint or the second joint are used, described Type B lower clamp comprises the Type B lower clamp chuck body being fixed on testing table, on described Type B lower clamp chuck body, be connected with Type B lower clamp chuck briquetting, on Type B lower clamp chuck body and Type B lower clamp chuck briquetting, have Type B semicircle orifice, Type B the second holes for clamping that the fixture splice that two described Type B semicircle orifices are configured for clamping special-shaped component is used.
The invention has the advantages that:
Adopt this built-up jig can complete the project all to be measured of special-shaped component to be measured, there is good versatility, can realize faster the replacing of clamping scheme, save to greatest extent clamping time and labour intensity, and there is good rigidity.
Accompanying drawing explanation
Fig. 1 is special-shaped component axonometric drawing, and it has two joints to be measured and a fixture splice;
Fig. 2 is the structural representation to of the present invention a kind of built-up jig for special-shaped component six degree of freedom rigidity test of rigidity test for the x of the first joint;
Fig. 3 is the structural representation to the built-up jig of the present invention of rigidity test for the y of the first joint;
Fig. 4 is the structural representation to the built-up jig of the present invention of rigidity test for the z of the first joint;
Fig. 5 is the structural representation to the built-up jig of the present invention of rigidity test for the x of the second joint;
Fig. 6 is the structural representation to the built-up jig of the present invention of rigidity test for the y of the second joint;
Fig. 7 is the structural representation to the built-up jig of the present invention of rigidity test for the z of the second joint;
Fig. 8 is that the A type lower clamp chuck level of a kind of built-up jig for special-shaped component six degree of freedom rigidity test of the present invention is installed wiring layout;
Fig. 9 is that the A type lower clamp chuck of a kind of built-up jig for special-shaped component six degree of freedom rigidity test of the present invention is vertically installed wiring layout;
Figure 10 is that the A type lower clamp chuck of a kind of built-up jig for special-shaped component six degree of freedom rigidity test of the present invention tilts to install wiring layout;
Figure 11 is the Type B lower clamp wiring layout of a kind of built-up jig for special-shaped component six degree of freedom rigidity test of the present invention.
Mark: 1-testing machine upper grip; Fixture in 2-A type; 3-special-shaped component; 4-pressing plate and fastener combination; 5-A type lower clamp; 6-testing machine column; 7-testing table; Fixture in 8-B type; 9-B type lower clamp; The square pressing plate of 10-A type lower clamp; 11-A type lower clamp chuck briquetting; 12-A type lower clamp chuck body; 13-side plate; 14-side's cushion block; 15-base plate; 16-A type lower clamp abnormity pressing plate; 17-taper liner piece; 18-B type lower clamp chuck body; 19-B type lower clamp chuck briquetting;
Embodiment
Below in conjunction with specific embodiment, describe the present invention.
The structure of the special-shaped component that this fixture is applicable as shown in Figure 1, the first joint is vertical with the axis of fixture splice, the second joint axis and fixture splice axis angle are variable, for a certain definite angle theta (0< θ <90 °), can make a certain surface of contact pitch angle of taper liner piece be designed to θ or 90 °-θ, make it to match.So always can make the second joint there are level and two vertical attitudes.
A kind of built-up jig for special-shaped component six degree of freedom rigidity test of the present invention as shown in drawings, it comprises fixture 2 in A type, A type lower clamp 5, fixture 8 and Type B lower clamp 9 on Type B, in described A type, fixture is clamp body in the A type being connected on testing machine upper grip 1, in described A type, on clamp body, have A type the first holes for clamping vertically arranging, described A type the first holes for clamping is used for installing the first joint J1 or the second joint J2, in described A type, on clamp body, be connected with and fix the A type securing member that the first joint or the second joint are used, described A type lower clamp 5 comprises the base plate 15 being fixed on testing table 7, on described base plate, be fixed with two side plates 13 that left and right is oppositely arranged, symmetrically respectively at the top of two side plates 13 have one and be horizontally disposed with or mounting groove that tilted direction arranges, described be horizontally disposed with or the mounting groove of tilted direction setting in the corresponding side's of packing into cushion block 14 or taper liner piece 17, the two ends of A type lower clamp chuck are respectively in the draw-in groove that is horizontally disposed with or is obliquely installed of the side's of being contained in cushion block 14 or taper liner piece 17 and be fixed on two side plates by the square pressing plate 10 of A type lower clamp or A type lower clamp abnormity pressing plate 16, described A type lower clamp chuck comprises A type lower clamp chuck body 12 and is fixed on the briquetting 11 on A type lower clamp chuck body 12, on described A type lower clamp chuck body 12 and briquetting 11, have the first semicircle orifice, two described the first semicircle orifices are configured for A type the second holes for clamping of the fixture splice G of clamping special-shaped component 3, on described Type B, fixture 8 is for being connected to clamp body on the Type B on testing machine upper grip 1, on described Type B, on clamp body, have Type B the first holes for clamping that along continuous straight runs arranges, described Type B the first holes for clamping is used for installing the first joint or the second joint, on described Type B, on clamp body, be connected with and fix the Type B securing member that the first joint or the second joint are used, described Type B lower clamp 9 comprises the Type B lower clamp chuck body 18 being fixed on testing table 7, on described Type B lower clamp chuck body 18, be connected with Type B lower clamp chuck briquetting, on Type B lower clamp chuck body 18 and Type B lower clamp chuck briquetting 19, have Type B semicircle orifice, Type B the second holes for clamping that the fixture splice that two described Type B semicircle orifices are configured for clamping special-shaped component 3 is used.
As shown in Figure 2, by pressing plate and fastener combination 4, A type lower clamp 5 is fixed in tester base 7, in figure, 6 is testing machine column, A type second holes for clamping of A type lower clamp 5 is horizontal, the fixture splice of clamping special-shaped component 3, make the first joint in vertical position, the first joint of fixture 2 clamping special-shaped component 3 to be measured in A type, the clamping of the x that realizes test the first joint during to rigidity.Fixture 2 in testing machine upper grip 1 clamping A type, when testing machine applies the power load of vertical direction by 1 pair of the first joint of upper grip, by the displacement of the lines of the first joint and corresponding power are carried out to record, then carry out data processing, can obtain x to line rigidity; When applying vertical direction moment of torsion, by the angular displacement of the first joint and corresponding moment of torsion are carried out to record, then carry out data processing, can obtain x to angular rigidity.
The clamping scheme of the y that Figure 3 shows that test the first joint during to rigidity, adopt Type B lower clamp 9 to clamp the fixture splice of special-shaped component 3, the axis of three joints of member is all horizontal, adopt fixture 8 on Type B to clamp the first joint, by pressing plate and fastener combination 4, Type B lower clamp is fixed in tester base 7.Fixture 8 on testing machine upper grip 1 clamping Type B, when testing machine applies the power load of vertical direction by 1 pair of the first joint of upper grip, by the displacement of the lines of the first joint and corresponding power are carried out to record, then carry out data processing, can obtain y to line rigidity; When applying vertical direction moment of torsion, by the angular displacement of the first joint and corresponding moment of torsion are carried out to record, and aftertreatment, can obtain y to angular rigidity.
The clamping scheme of the z that Figure 4 shows that test the first joint during to rigidity, now A type second holes for clamping of A type lower clamp 5 is in vertical position, the fixture splice of special-shaped component 3 extend in A type the second holes for clamping from top to bottom, adopt fixture 8 on Type B to clamp the first joint, by pressing plate and fastener combination 4, A type lower clamp is fixed in tester base 7.Fixture 8 on testing machine upper grip 1 clamping Type B, when testing machine applies the power load of vertical direction by 1 pair of the first joint of upper grip, by the displacement of the lines of the first joint and corresponding power are carried out to record, then carry out data processing, can obtain z to line rigidity; When applying vertical direction moment of torsion, by the angular displacement of the first joint and corresponding moment of torsion are carried out to record, then carry out data processing, can obtain z to angular rigidity.
The clamping scheme of the x that Figure 5 shows that test the second joint during to rigidity, in A type lower clamp 5, use taper liner piece 17 and 16 combinations of A type lower clamp abnormity pressing plate, can make chuck tilt to install, fixture splice is put in A type the second holes for clamping from bottom to top, now the second joint is in vertical position, with 2 clampings of fixture in A type.Fixture 2 in testing machine upper grip 1 clamping A type, when testing machine applies the power load of vertical direction by 1 pair of the second joint of upper grip, by the displacement of the lines of the first joint and corresponding power are carried out to record, then carry out data processing, can obtain x to line rigidity; When applying vertical direction moment of torsion, by the angular displacement of the second joint and corresponding moment of torsion are carried out to record, then carry out data processing, can obtain x to angular rigidity.
The clamping scheme of the y that Figure 6 shows that test the second joint during to rigidity is similar shown in this scheme and Fig. 3.Adopt Type B lower clamp 9 to clamp the fixture splice of special-shaped component 3, the axis of three joints of member is all horizontal, adopt fixture 8 on Type B to clamp the second joint, by pressing plate and fastener combination 4, Type B lower clamp is fixed in tester base 7.Fixture 8 on testing machine upper grip 1 clamping Type B, when testing machine applies the power load of vertical direction by 1 pair of the second joint of upper grip, by the displacement of the lines of the first joint and corresponding power are carried out to record, then carry out data processing, can obtain y to line rigidity; When applying vertical direction moment of torsion, by the angular displacement of the second joint and corresponding moment of torsion are carried out to record, then carry out data processing, can obtain y to angular rigidity.
The clamping scheme of the z that Figure 7 shows that test the second joint during to rigidity, A type lower clamp chuck in Fig. 5 is overturn 90 ° counterclockwise, and use taper liner piece 17 and A type lower clamp abnormity pressing plate 16 to combine, fixture splice is put in chuck circular hole from top to bottom, now the second joint is horizontal, with 8 clampings of fixture on Type B.Fixture 8 on testing machine upper grip 1 clamping Type B, when testing machine applies the power load of vertical direction by 1 pair of the second joint of upper grip, by the displacement of the lines of the first joint and corresponding power are carried out to record, then carry out data processing, can obtain z to line rigidity; When applying vertical direction moment of torsion, by the angular displacement of the second joint and corresponding moment of torsion are carried out to record, then carry out data processing, can obtain z to angular rigidity.
Fig. 8 is the wiring layout of A type lower clamp 5, being fixed on base plate 15 of left and right sides plate 13 symmetries, the side's of packing into cushion block 14 in the mounting groove of biside plate 13 respectively, first A type lower clamp chuck body 12 and briquetting 11 use bolted, form A type lower clamp chuck, the draw-in groove of this chuck side of packing into cushion block 12, and with the square pressing plate 10 fitted bolt compactings of A type lower clamp, now A type lower clamp 5 assemblings are complete.Collet bore in this A type lower clamp 5 is horizontal positioned, and the collet bore of the type of A shown in Fig. 9 lower clamp 5 is vertically to place, and the collet bore in the type of A shown in Figure 10 lower clamp 5 is slant setting, now will use taper liner piece 17 and A type lower clamp abnormity pressing plate 16.Figure 11 shows that the wiring layout of Type B lower clamp 9, with bolt, Type B lower clamp body 18 is fixed on base plate 15, and form holes for clamping with Type B lower clamp briquetting 19 matching fasteners.
Claims (1)
1. the built-up jig for special-shaped component six degree of freedom rigidity test, it is characterized in that: it comprises fixture in A type, A type lower clamp, fixture and Type B lower clamp on Type B, in described A type, fixture is clamp body in the A type being connected on testing machine upper grip, in described A type, on clamp body, have A type the first holes for clamping vertically arranging, described A type the first holes for clamping is used for installing the first joint or the second joint, in described A type, on clamp body, be connected with and fix the A type securing member that the first joint or the second joint are used, described A type lower clamp comprises the base plate being fixed on testing table, on described base plate, be fixed with two side plates that left and right is oppositely arranged, symmetrically respectively at the top of two side plates have one and be horizontally disposed with or mounting groove that tilted direction arranges, described be horizontally disposed with or the mounting groove of tilted direction setting in the corresponding side's of packing into cushion block or taper liner piece, the two ends of A type lower clamp chuck are respectively in the draw-in groove that is horizontally disposed with or is obliquely installed of the side's of being contained in cushion block or taper liner piece and be fixed on two side plates by the square pressing plate of A type lower clamp or A type lower clamp abnormity pressing plate, described A type lower clamp chuck comprises A type lower clamp chuck body and is fixed on the briquetting on A type lower clamp chuck body, on described A type lower clamp chuck body and briquetting, have the first semicircle orifice, two described the first semicircle orifices are configured for A type second holes for clamping of the fixture splice of clamping special-shaped component, on described Type B, fixture is clamp body on the Type B being connected on testing machine upper grip, on described Type B, on clamp body, have Type B the first holes for clamping that along continuous straight runs arranges, described Type B the first holes for clamping is used for installing the first joint or the second joint, on described Type B, on clamp body, be connected with and fix the Type B securing member that the first joint or the second joint are used, described Type B lower clamp comprises the Type B lower clamp chuck body being fixed on testing table, on described Type B lower clamp chuck body, be connected with Type B lower clamp chuck briquetting, on Type B lower clamp chuck body and Type B lower clamp chuck briquetting, have Type B semicircle orifice, Type B the second holes for clamping that the fixture splice that two described Type B semicircle orifices are configured for clamping special-shaped component is used.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310746499.6A CN103698208B (en) | 2013-12-25 | 2013-12-25 | A kind of built-up jig for special-shaped component six degree of freedom rigidity test |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310746499.6A CN103698208B (en) | 2013-12-25 | 2013-12-25 | A kind of built-up jig for special-shaped component six degree of freedom rigidity test |
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| CN103698208A true CN103698208A (en) | 2014-04-02 |
| CN103698208B CN103698208B (en) | 2015-08-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105004609A (en) * | 2015-08-25 | 2015-10-28 | 吉林大学 | Composite material car body embedded part strength test fixture |
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2013
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105004609A (en) * | 2015-08-25 | 2015-10-28 | 吉林大学 | Composite material car body embedded part strength test fixture |
| CN105004609B (en) * | 2015-08-25 | 2017-11-14 | 吉林大学 | A kind of composite-material body built-in fitting strength test fixture |
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| CN103698208B (en) | 2015-08-19 |
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