CN104359604A - Machine tool assembly combing face stress distribution measuring thin film, system and method - Google Patents
Machine tool assembly combing face stress distribution measuring thin film, system and method Download PDFInfo
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- CN104359604A CN104359604A CN201410624032.9A CN201410624032A CN104359604A CN 104359604 A CN104359604 A CN 104359604A CN 201410624032 A CN201410624032 A CN 201410624032A CN 104359604 A CN104359604 A CN 104359604A
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Abstract
The invention discloses a machine tool assembly combing face stress distribution measuring thin film, system and method. A marking line consistent with an extending line, on an adjacent side face, of a stress contour line, k stress collecting sensors arranged on the marking line, and a positioning unit accurately positioning the measuring thin film on the adjacent side face are arranged on the measuring thin film. The measuring system comprises the measuring thin film, a storage module and a man-machine interaction module. The measuring method includes the steps of measuring thin film selection, measuring thin film positioning and pasting, stress data collection, measuring data storage, combining face geometric structure drawing and stress distribution display. Stress distribution of an assembly combining face is determined by pasting the measuring thin film on the adjacent side face of the machine tool assembly combining face according to a measured stress value of the measuring thin film, so that the measuring method is simple and suitable for realtime monitoring of stress of the machine tool combining face in the process of mass production.
Description
Technical field
The present invention relates to lathe alignment measurement technical field, be specially a kind of lathe and be fitted to each other face stress distribution measurement film, system and method.
Background technology
Lathe and even all kinds of machinery are all assembled by specific requirement by various parts, and the surface be combined with each other between parts, contacted is called as " faying face ".Research finds, the mechanical characteristic of faying face has obvious impact to mechanical complete machine characteristic, and the rigidity of the lathe overwhelming majority, damping, quiet deflection are all determined by faying face.Faying face stress distribution law is an importance of Contact characteristics, has material impact to the static state of faying face, dynamic perfromance.
The method of existing measurement faying face stress distribution mainly contains ultrasonic method, membrane process etc.Ultrasonic method is the contact condition of the ultrasonic reflections direct-detection faying face utilizing faying face, is convenient to realize noncontact, Aulomatizeted Detect, but apparatus expensive.Membrane process normally add between faying face a kind of can with the pressure-sensitive paper of changing color under pressure, stress distribution is obtained by the depth situation of pressure-sensitive paper color, the method is simple, shortcoming is that pressure-sensitive paper all will be taken out observation by each measurement, be not easy to on-line measurement, between faying face, add the contact condition that film changes faying face to a certain extent in addition, film must be taken out during final assembling, otherwise will assembly performance be affected.In engineering reality, due to the restriction of the aspects such as cost, application convenience, above measuring method cannot be applied to faying face stress distribution under many circumstances and measure.
Can find junction assembly stress simulation, test result analysis: (1) is not when stress raisers occur edge, joint portion, joint portion stress distribution has continuity, and some stress contours on faying face must have part to extend on the adjacent side of faying face; (2) in the constant situation of load active position and direction, change with magnitude of load, faying face upper stress isoline shape is relatively stable, and each isoline numerical value is with load marked change.
According to stress distribution continuity, stress contour shape stability feature: obtaining the adjacent side stress state of faying face, setting up on the basis of adjacent side and faying face stress corresponding relation, then can determine the stress distribution of faying face.
In factory mass lathe is produced, the confined state of lathe can be divided into the individual different type of n, but the lathe of all same specifications all has the different fitting-type of this n, if set up adjacent side for each fitting-type of each lathe to remain individual very complicated work with faying face stress corresponding relation.
Summary of the invention
The object of the invention is to, be fitted to each other for lathe and be not easy to placing sensor between face and directly measure stress distribution, the measuring methods such as ultrasound wave are utilized to measure cost higher, pressure-sensitive paper membrane process is utilized to be not easy to again the problem of on-line measurement, can not adapt in lathe high volume production process the real-time measurement being fitted to each other face stress, propose a kind of lathe and be fitted to each other face stress distribution measuring system and method, the present invention is according to the continuity of stress distribution, the feature of stress contour shape stability, utilize on the adjacent side of faying face, paste the measurement film that can be mass, the stress distribution of faying face is indirectly reflected by the measured value measuring the stress pick-up transducers that film is arranged.
A kind of lathe is fitted to each other face stress distribution and measures film, the parts I of lathe assemble by securing member is fixing with parts II, the face that parts I and parts II fit is faying face, the side adjacent with faying face is adjacent side, stress contour on faying face can partly extend on its adjacent side, stress field shape near parts II securing member represents by stress contour near securing member of the faying face of parts II and the extension line of stress contour on adjacent side, with the change of securing member pretightning force size, stress field shape kept stable.
Measuring film is pasted onto on the adjacent side of parts II, is determined the stress distribution of faying face by the stress on the adjacent side of measurement component II, measures on film and has the marking line consistent with the extension line of stress contour on adjacent side; Described measurement film comprises:
Be arranged on k stress pick-up transducers on described marking line, wherein k be greater than zero integer, the stress that stress pick-up transducers records equals the stress of extension line on adjacent side corresponding to marking line, the stress of the isoline on the faying face that namely extension line is corresponding;
The signal that the signal of k described stress pick-up transducers collection pools together is collected unit, and described signal collects unit and the simulating signal of the k received a stress pick-up transducers is converted into digital signal output;
For described measurement film accurately being located the positioning unit be pasted onto on described adjacent side; Behind described measurement film location, the extension line on the marking line of described measurement film and described adjacent side coincides.
The stress that lathe is fitted to each other face mainly concentrates on around securing member, can be determined the stress distribution of faying face by the stress measuring adjacent side, needs to paste corresponding stress pick-up transducers on each adjacent side being fitted to each other face of each lathe.If the parts of lathe I are identical with parts II shape, material and fastener locations, then stress field shape is also identical, in order to adapt to produce in enormous quantities, different measurement films is made according to the difference of stress field shape, only need select the measurement film corresponding with its stress field shape according to the parts I of lathe and the difference of parts II shape, material and fastener locations, measurement film can be mass, and correspondence position measurement film being pasted onto adjacent side can reflect the stress distribution of faying face in real time.
Further, described stress pick-up transducers is foil gauge, and described stress pick-up transducers comprises Response Division and output lead; It is signal socket that described signal collects unit.The peripherals that only need can show stress distribution situation when needing to measure faying face stress distribution is connected with signal socket, and a peripherals can connect multiple signal socket as required.
Further, described measurement film comprises inner membrance and adventitia; Described inner membrance and adventitia all adopt light weight, softness, transparent, insulation material; Described adventitia have k can with the mounting hole of the suitable installation in Response Division of described stress pick-up transducers; Described inner membrance and adventitia are pasted together; The Response Division of described stress pick-up transducers is pasted and fixed in mounting hole, and the measuring surface of Response Division exposes described adventitia; The output lead of described stress pick-up transducers is folded between inner membrance and adventitia, and the output lead of k described stress pick-up transducers all collects unit with described signal is electrically connected.
Further, described adjacent side is provided with scale and figure notation near faying face position, described positioning unit is arrange the scale consistent with the relevant position of described adjacent side and figure notation at the edge of described measurement film, to make measurement film be pasted onto after on adjacent side, the marking line on measurement film and the extension line on adjacent side coincide.
A kind of lathe is fitted to each other face stress distribution measuring system, when the shape of parts I and parts II, material and fastener locations are identical, with the change of pretightning force size, the stress field shape near securing member is substantially constant, and the stress value just with the representative of bar stress contour there occurs change; It is characterized in that described measuring system comprises: measurement film, memory module and human-computer interaction module as described in any one of Claims 1 to 4;
Described measurement film is pasted onto on the adjacent side of described parts II, is fitted to each other the stress in face for measuring lathe in real time; Stress field shape difference according to the marking line measured on film and correspondence will measure film numbering;
Described memory module comprises stress field shape database, measured database and retrieval unit; Difference according to the shape of parts I and parts II, material and fastener locations can reflect different stress field shapes, the stress field shape that these are different is stored in stress field shape database, often kind of corresponding a kind of measurement film matched with it of stress field shape; Described measured database is for storing the real time data of each stress pick-up transducers measurement of measuring film; Described retrieval unit is retrieve corresponding stress field shape according to the numbering measuring film;
Described human-computer interaction module draws faying face geometry according to the profile of faying face; Described human-computer interaction module is by the stress field shape near the position of described faying face geometry, securing member, securing member and measure the numerical value correspondence that each stress pick-up transducers of film obtains and combine, and so that image and data show intuitively.
A kind of lathe is fitted to each other face stress distribution measuring method, it is characterized in that described measuring method comprises the following steps:
Steps A: select to measure film, chooses the measurement film that can match with the faying face stress field shape of required measurement according to the shape of parts I and parts II, material and fastener locations;
Step B: measure film location, paste, when securing member does not apply pretightning force, the extension line on adjacent side coincides by the marking line of described measurement film and faying face stress field to utilize the positioning unit of described measurement film, and is pasted onto by measurement film on described adjacent side;
Step C: stress data acquisition, when parts I are assembled with parts II are fixing by pretightning force by securing member, gather the numerical value measuring each stress pick-up transducers on film, collect unit by signal and the numerical value of all stress pick-up transducers collected is outputted to measured database;
Step D: measurement data stores, by retrieval unit, extracting according to measuring film numbering the stress field shape corresponded, by corresponding with stress contour for the numerical value of each stress pick-up transducers, recording the value of every bar stress contour;
Step e: draw faying face geometry, human-computer interaction module is drawn draw by simple point, line graph and is gone out faying face geometry, and wherein step e independent of above step, can be carried out before or after above-mentioned any step;
Step F: stress distribution shows, the stress field shape of the correspondence extracted by step D combines with the faying face geometry that step e is drawn, show the position of stress contour on faying face and shape, and the data that step D stores are indicated on corresponding stress contour, faying face stress distribution situation can be demonstrated intuitively.
According to stress distribution continuity principle and stress contour shape stability feature, the measurement that lathe of the present invention is fitted to each other face stress distribution provides a kind of new method, and this beneficial effect of the invention is:
(1) by measuring the stress of adjacent side, indirectly obtaining faying face stress distribution, not destroying faying face contact condition, do not affect structural member assembling and use;
(2) film is measured in invention, measurement film can be mass, assemble the shape of two parts, material and fastener locations according to lathe to select to measure film, and measurement film is located, is pasted onto on adjacent side, solve stress pick-up transducers stickup location in production in enormous quantities inaccurate, paste trouble, and connect the problem of external measuring device complexity when measuring;
(3) memory module and human-computer interaction module provide information real-time storage and visual display function, with directly monitoring, analyze faying face stress distribution.
Accompanying drawing explanation
In order to clearer explanation embodiments of the invention, below in conjunction with accompanying drawing, the present invention is elaborated, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is that the embodiment of the present invention measures film front view;
Fig. 2 is that the embodiment of the present invention measures film upward view;
Fig. 3 embodiment of the present invention measures film inner structure partial sectional view;
Fig. 4 is embodiment of the present invention measuring system schematic diagram;
Fig. 5 is embodiment of the present invention measuring system connection diagram;
Fig. 6 is embodiment of the present invention stress field schematic diagram;
Fig. 7 is that the embodiment of the present invention measures film and stress contour corresponding diagram;
Fig. 8 is the faying face geometry simplifying certain machine tool component drawn;
Fig. 9 is the faying face stress distribution that human-computer interaction module intuitively shows.
In figure: 1, measure film, 1a, inner membrance, 1b, adventitia, 11, stress pick-up transducers, 11a, Response Division, 11b, output lead, 12, signal collects unit, 13, positioning unit, 14, marking line, 2, memory module, 21, stress field shape database, 22, measured database, 23, retrieval unit, 3, human-computer interaction module, 4, parts I, 5, parts II, 6, securing member, A, isoline, B, extension line.
Embodiment
The parts I 4 of lathe assemble by securing member 6 is fixing with parts II 5, the face that parts I 4 and parts II 5 fit is faying face, the side adjacent with faying face is adjacent side, stress contour A on faying face can partly extend on its adjacent side, and the stress field shape near the securing member 6 of parts II 5 represents by stress contour A near securing member 6 of the faying face of the parts II 5 and extension line B of stress contour A on adjacent side; Effect due to power is mutual, so it is identical that the Stress Field Distribution of faying face is measured by parts I 4 and parts II 5, the present invention chooses parts II 5 for representative.With the change of securing member 6 pretightning force size, stress field shape kept stable, just different with the numerical value that change every bar stress contour A of pretightning force represents.
The stress that lathe is fitted to each other face mainly concentrates on securing member 6 around, in actual production assembling, connecting the securing members such as the bolt of two parts generally apart can not be too near, apply pretightning force according to known the giving of St. Venant principle (SaintVenant ' s Principle) simultaneously at a distance of not too near bolt, the faying face stress contour near bolt can not influence each other.For the position away from bolt on faying face, due to stressed less, less on Contact characteristics impact, so do not need to measure it.The stress distribution of faying face can be determined by the stress measuring adjacent side, need to paste corresponding stress pick-up transducers 11 on each adjacent side being fitted to each other face of each lathe.If the parts of lathe I 4 are identical with parts II 5 shape, material and securing member 6 position, then stress field shape is also identical, in order to adapt to produce in enormous quantities, different measurement films 1 is made according to the difference of stress field shape, only need according to the measurement film 1 that difference is selected and its stress field shape is corresponding of the parts I 4 of lathe and parts II 5 shape, material and securing member 6 position, measure film 1 can be mass, correspondence position measurement film 1 being pasted onto adjacent side can reflect the stress distribution of faying face in real time.
The measurement film 1 of Fig. 1 ~ Fig. 3, measuring film 1 is pasted onto on the adjacent side of parts II 5, determined the stress distribution of faying face by the stress on the adjacent side of measurement component II 5, measure the marking line 14 that the extension line B that film 1 has with stress contour A on adjacent side is consistent.Measure film 1 to comprise: stress pick-up transducers 11, signal collect unit 12 and positioning unit 13.Marking line 14 is provided with k stress pick-up transducers 11, wherein k be greater than zero integer, generally choose the marking line 14 that extension line B on several representational and adjacent sides is corresponding, every bar marking line 14 arranges a stress pick-up transducers 11, and the stress pick-up transducers 11 of the present embodiment is preferably foil gauge.The stress of extension line B on the adjacent side that the stress that stress pick-up transducers 11 records equals marking line 14 correspondence, the stress of the isoline A on the faying face that namely extension line B is corresponding.Signal collects unit 12 and is pooled together by the signal that k stress pick-up transducers 11 gathers, signal collects unit 12 and the simulating signal of the k received a stress pick-up transducers 11 is converted into digital signal output, the signal of the present embodiment collects unit 12 and is preferably a signal socket, directly can connect peripheral stress measurement equipment, be applicable to very much the Real-Time Monitoring to faying face stress in producing in enormous quantities.Positioning unit 13 is for being accurately pasted onto adjacent side in location by measurement film 1, and after being located by measurement film 1, the marking line 14 measuring film 1 coincides with the extension line B on adjacent side.
Adjacent side is provided with near faying face position+", scale and the figure notation such as " | "; positioning unit 13 be arrange the scale consistent with the relevant position of adjacent side and figure notation at the edge measuring film 1; to make measurement film 1 be pasted onto after on adjacent side, and the marking line 14 on measurement film 1 and the extension line B on adjacent side coincide.
Measurement film 1 is as shown in Figure 3 made up of inner membrance 1a and adventitia 1b, inner membrance 1a and adventitia 1b all adopt light weight, softness, transparent, insulation material; Adventitia 1b have k can with the mounting hole of the suitable installation of Response Division 11a of stress pick-up transducers 11; Inner membrance 1a and adventitia 1b is pasted together; The Response Division 11a of stress pick-up transducers 11 is pasted and fixed in mounting hole, and the measuring surface of Response Division 11a exposes described adventitia 1b; The output lead 11b of stress pick-up transducers 11 is folded between inner membrance 1a and adventitia 1b, and the output lead 11b of k stress pick-up transducers 11 all collects unit 12 (signal socket) is electrically connected with signal, signal collects in the set of signals that k stress pick-up transducers 11 gather by unit 12 and outputs to storage unit.
Fig. 4 is that lathe is fitted to each other face stress distribution measuring system, and Fig. 5 is measuring system connection diagram, and measuring system comprises measures film 1, memory module 2 and human-computer interaction module 3.Described measurement film 1 is pasted onto on the adjacent side of described parts II 5, is fitted to each other the stress in face for measuring lathe in real time; Measurement film 1 is numbered by the stress field shape difference according to the marking line 14 measured on film 1 and correspondence; Measurement film 1 provided by the invention has multiple numbering, and specification, the position of the measurement film 1 upper stress pick-up transducers 11 of different numbering are different, with the measurement requirement of satisfied different faying face.
Memory module 2 comprises stress field shape database 21, measured database 22 and retrieval unit 23.
Difference according to the shape of parts I 4 and parts II 5, material and securing member 6 position can reflect different stress field shapes, the stress field shape that these are different is stored in stress field shape database 21, often kind of corresponding a kind of measurement film 1 matched with it of stress field shape.Stress field shape have recorded the continuation property of adjacent side stress field and faying face stress field.Figure 6 shows that certain is fitted to each other face Stress field features, wherein o
ifor securing member 6 pretightning force active position, l
ifor pretightning force is apart from the distance of faying face and adjacent side intersection; h
ifor the thickness of parts II 5, securing member 6 position is by l
iand h
irepresent.σ 1, σ 2, σ 3, σ 4, σ 5, σ 6 to should in conjunction with stress contour A, dotted line is the extension line B of stress contour A on adjacent side, and stress contour form obtains by theoretical analysis and test.P
21, p
22, p
23..., p
2nbe respectively the positional information of stress contour σ 2.Get o
ifor local coordinate system initial point, location point p
ijstress field features information be recorded as < σ
i, x
ij, y
ij, z
ij>, wherein σ
ifor the stress value of correspondence, x
ij, y
ij, z
ijfor the positional information of correspondence.
The real time data that measured database 22 is measured for each stress pick-up transducers 11 storing measurement film 1, for further faying face stress distribution display and analysis lay the foundation.
Retrieval unit 23 is retrieve corresponding stress field shape according to the numbering measuring film 1, and this unit is storage of measurement data, and the basis of display faying face stress distribution feature directly perceived.
Figure 7 shows that joint portion stress measurement schematic diagram, the measurement film 1 with a series of stress pick-up transducers 11 is pasted in relevant position, adjacent side, obtain the stress information on the extension line B of each isoline A on adjacent side such as σ 1, σ 2, σ 3, σ 4, σ 5, σ 6, and then indirectly obtain faying face stress information.In information storing process, first obtain measuring each stress pick-up transducers 11 on film 1 and measure the stress information obtained, then extract and measure film 1 and number corresponding stress field shape, and then record each stress measurement numerical value and stress contour σ
ibetween corresponding relation, as σ 1=28MPa, σ 2=23MPa ...
Human-computer interaction module 3 draws faying face geometry according to the profile of faying face, utilize drafting system simply to draw the profile of faying face, do not affect on the basis of faying face stress distribution analysis result, simplify part details, choose crucial profile flex point, draw faying face geometry.Be illustrated in figure 8 the faying face geometrized structure graph drawn according to certain faying face, o is true origin, o, s
1, s
2..., s
15for drawing the data point of geometrized structure graph.Human-computer interaction module 3 is by the stress field shape near the position of described faying face geometry, securing member 6, securing member 6 and measure the numerical value correspondence that each stress pick-up transducers 11 of film 1 obtains and combine, and shows with image intuitively as shown in Figure 9 and data.
Be fitted to each other face stress distribution measuring system according to the lathe of the present embodiment, below for typical bolt for concrete faying face stress distribution measuring method set forth by securing member, comprise the following steps:
Steps A: select to measure film 1, chooses the measurement film 1 that can match with the faying face stress field shape of required measurement according to the shape of parts I 4 and parts II 5, material and securing member 6 position;
Step B: measure film 1 and locate, paste, when securing member 6 does not apply pretightning force, utilize the positioning unit 13 measuring film 1 to be coincided with the extension line B of faying face stress field on adjacent side by the marking line 14 measuring film 1, and measurement film 1 is pasted onto on adjacent side;
Step C: stress data acquisition, when parts I 4 are assembled with parts II 5 are fixing by pretightning force by securing member 6, gather the numerical value measuring each stress pick-up transducers 11 on film 1, collect unit 12 by signal and the numerical value of all stress pick-up transducers 11 collected is outputted to measured database 22;
Step D: measurement data stores, by retrieval unit 23, numbering according to measuring film 1 the stress field shape extracted and correspond, by corresponding with stress contour A for the numerical value of each stress pick-up transducers 11, recording the value of every bar stress contour A;
Step e: draw faying face geometry, human-computer interaction module 3 is drawn draw by simple point, line graph and is gone out faying face geometry, and wherein step e independent of above step, can be carried out before or after above-mentioned any step;
Step F: stress distribution shows, the stress field shape of the correspondence extracted by step D combines with the faying face geometry that step e is drawn, show the position of stress contour A on faying face and shape, and the data that step D stores are indicated on corresponding stress contour A, faying face stress distribution situation can be demonstrated intuitively, as shown in Figure 9.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (6)
1. a lathe is fitted to each other face stress distribution and measures film, the parts I of lathe assemble by securing member is fixing with parts II, the face that parts I and parts II fit is faying face, the side adjacent with faying face is adjacent side, stress contour on faying face can partly extend on its adjacent side, and the stress field shape near parts II securing member is represented by stress contour near securing member of the faying face of parts II and the extension line of stress contour on adjacent side; With the change of securing member pretightning force size, stress field shape kept stable; It is characterized in that: described measurement film is pasted onto on the adjacent side of parts II, determined the stress distribution of faying face by the stress measured on the adjacent side of described parts II, described measurement film has the marking line consistent with the extension line of stress contour on adjacent side; Described measurement film comprises:
Be arranged on k stress pick-up transducers on described marking line, wherein k be greater than zero integer, the stress that stress pick-up transducers records equals the stress of extension line on adjacent side corresponding to marking line, the stress of the isoline on the faying face that namely extension line is corresponding;
The signal that the signal of k described stress pick-up transducers collection pools together is collected unit, and described signal collects unit and the simulating signal of the k received a stress pick-up transducers is converted into digital signal output;
For described measurement film accurately being located the positioning unit be pasted onto on described adjacent side; Behind described measurement film location, the extension line on the marking line of described measurement film and described adjacent side coincides.
2. lathe according to claim 1 is fitted to each other face stress distribution and measures film, and it is characterized in that: described stress pick-up transducers is foil gauge, described stress pick-up transducers comprises Response Division and output lead; It is signal socket that described signal collects unit.
3. lathe according to claim 2 is fitted to each other face stress distribution and measures film, it is characterized in that: described measurement film comprises inner membrance and adventitia; Described inner membrance and adventitia all adopt light weight, softness, transparent, insulation material; Described adventitia have k can with the mounting hole of the suitable installation in Response Division of described strain acquirement sensor; Described inner membrance and adventitia are pasted together; The Response Division of described stress pick-up transducers is pasted and fixed in mounting hole, and the measuring surface of Response Division exposes described adventitia; The output lead of described stress pick-up transducers is folded between inner membrance and adventitia, and the output lead of k described stress pick-up transducers all collects unit with described signal is electrically connected.
4. lathe according to claim 1 is fitted to each other face stress distribution and measures film, it is characterized in that: described adjacent side is provided with scale and figure notation near faying face position, described positioning unit is arrange the scale consistent with the relevant position of described adjacent side and figure notation at the edge of described measurement film, to make measurement film be pasted onto after on adjacent side, the marking line on measurement film and the extension line on adjacent side coincide.
5. a lathe is fitted to each other face stress distribution measuring system, when the shape of parts I and parts II, material and fastener locations are identical, with the change of pretightning force size, the stress field shape near securing member is substantially constant, and the stress value just with the representative of bar stress contour there occurs change; It is characterized in that described measuring system comprises: measurement film, memory module and human-computer interaction module as described in any one of Claims 1 to 4;
Described measurement film is pasted onto on the adjacent side of described parts II, is fitted to each other the stress in face for measuring lathe in real time; Stress field shape difference according to the marking line measured on film and correspondence will measure film numbering;
Described memory module comprises stress field shape database, measured database and retrieval unit; Difference according to the shape of parts I and parts II, material and fastener locations can reflect different stress field shapes, the stress field shape that these are different is stored in stress field shape database, often kind of corresponding a kind of measurement film matched with it of stress field shape; Described measured database is for storing the real time data of each stress pick-up transducers measurement of measuring film; Described retrieval unit is retrieve corresponding stress field shape according to the numbering measuring film;
Described human-computer interaction module draws faying face geometry according to the profile of faying face; Described human-computer interaction module is by the stress field shape near the position of described faying face geometry, securing member, securing member and measure the numerical value correspondence that each stress pick-up transducers of film obtains and combine, and so that image and data show intuitively.
6. lathe is fitted to each other a face stress distribution measuring method, it is characterized in that described measuring method comprises the following steps:
Steps A: select to measure film, chooses the measurement film that can match with the faying face stress field shape of required measurement according to the shape of parts I and parts II, material and fastener locations;
Step B: measure film location, paste, when securing member does not apply pretightning force, the extension line on adjacent side coincides by the marking line of described measurement film and faying face stress field to utilize the positioning unit of described measurement film, and is pasted onto by measurement film on described adjacent side;
Step C: stress data acquisition, when parts I are assembled with parts II are fixing by pretightning force by securing member, gather the numerical value measuring each stress pick-up transducers on film, collect unit by signal and the numerical value of all stress pick-up transducers collected is outputted to measured database;
Step D: measurement data stores, by retrieval unit, extracting according to measuring film numbering the stress field shape corresponded, by corresponding with stress contour for the numerical value of each stress pick-up transducers, recording the value of every bar stress contour;
Step e: draw faying face geometry, human-computer interaction module is drawn draw by simple point, line graph and is gone out faying face geometry, and wherein step e independent of above step, can be carried out before or after above-mentioned any step;
Step F: stress distribution shows, the stress field shape of the correspondence extracted by step D combines with the faying face geometry that step e is drawn, show the position of stress contour on faying face and shape, and the data that step D stores are indicated on corresponding stress contour, faying face stress distribution situation can be demonstrated intuitively.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112179237A (en) * | 2020-09-27 | 2021-01-05 | 神通科技集团股份有限公司 | Automobile stand column outer plate assembly quality detection system |
| CN112629736A (en) * | 2020-12-08 | 2021-04-09 | 沈阳航空航天大学 | Bolt connection structure state monitoring system and monitoring method based on micro-nano sensor |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5984131A (en) * | 1982-11-06 | 1984-05-15 | Hitachi Zosen Corp | Stress measuring method of structure |
| JPS5984131U (en) * | 1982-11-30 | 1984-06-07 | 松下電工株式会社 | roof ventilation structure |
| JPH02287215A (en) * | 1989-04-28 | 1990-11-27 | Maeda Corp | Measurement of loosening range for subsoil |
| US6829944B1 (en) * | 2001-10-09 | 2004-12-14 | Stuart M. Gleman | Bolt tension gauging system |
| CN102032964A (en) * | 2009-09-29 | 2011-04-27 | 张美超 | Pressure sensitive film and using method thereof |
| CN201983892U (en) * | 2010-12-03 | 2011-09-21 | 西安交通大学 | Test device of threaded tightening force and pressure distribution between combination surfaces of connected pieces |
| CN102928144A (en) * | 2012-10-14 | 2013-02-13 | 中国矿业大学 | System for monitoring gob stress in real time and overlying strata breakage judgment method |
| CN103017954A (en) * | 2011-09-22 | 2013-04-03 | 北京理工大学 | Measuring method for plate stress field |
-
2014
- 2014-11-07 CN CN201410624032.9A patent/CN104359604B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5984131A (en) * | 1982-11-06 | 1984-05-15 | Hitachi Zosen Corp | Stress measuring method of structure |
| JPS5984131U (en) * | 1982-11-30 | 1984-06-07 | 松下電工株式会社 | roof ventilation structure |
| JPH02287215A (en) * | 1989-04-28 | 1990-11-27 | Maeda Corp | Measurement of loosening range for subsoil |
| US6829944B1 (en) * | 2001-10-09 | 2004-12-14 | Stuart M. Gleman | Bolt tension gauging system |
| CN102032964A (en) * | 2009-09-29 | 2011-04-27 | 张美超 | Pressure sensitive film and using method thereof |
| CN201983892U (en) * | 2010-12-03 | 2011-09-21 | 西安交通大学 | Test device of threaded tightening force and pressure distribution between combination surfaces of connected pieces |
| CN103017954A (en) * | 2011-09-22 | 2013-04-03 | 北京理工大学 | Measuring method for plate stress field |
| CN102928144A (en) * | 2012-10-14 | 2013-02-13 | 中国矿业大学 | System for monitoring gob stress in real time and overlying strata breakage judgment method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112179237A (en) * | 2020-09-27 | 2021-01-05 | 神通科技集团股份有限公司 | Automobile stand column outer plate assembly quality detection system |
| CN112629736A (en) * | 2020-12-08 | 2021-04-09 | 沈阳航空航天大学 | Bolt connection structure state monitoring system and monitoring method based on micro-nano sensor |
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