CN103203728A - Leveling method of three-point supporting platform - Google Patents
Leveling method of three-point supporting platform Download PDFInfo
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- CN103203728A CN103203728A CN2012100068452A CN201210006845A CN103203728A CN 103203728 A CN103203728 A CN 103203728A CN 2012100068452 A CN2012100068452 A CN 2012100068452A CN 201210006845 A CN201210006845 A CN 201210006845A CN 103203728 A CN103203728 A CN 103203728A
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Abstract
The invention relates to a leveling method of a three-point supporting platform, and mainly solves the problems that a supporting rack is unstable for supporting and is uneasy to level in the prior art. The leveling method of the supporting platform comprises the following steps of fixing three supporting columns of the supporting rack on a base platform through threads, and adjusting the three supporting columns through a threaded structure, so that the upper end points of the three supporting columns are positioned on the same horizontal plane; tightening and fixing one supporting column nut; placing a supported platform board on the supporting rack, and testing the inclination of a flat plate; according to the testing results, inserting an adjusting tool into a groove of one unfixed supporting column, and rotating the adjusting tool relative to the base platform, so that a testing point corresponding to the supporting column and a supporting point of the fixed supporting column are positioned on the same horizontal plane, and fixing the supporting column; and adjusting and fixing the other unfixed supporting column to complete the leveling of the supporting platform. The technical scheme better solves the problems. The leveling method of the three-point supporting platform can be used in industrial production of supporting racks and supporting platforms for precision operation.
Description
Technical field
The present invention relates to a kind of leveling method of supported at three point platform.
Background technology
The first epoch occur from the mankind, begin to have occurred manufacturing.Originally just make simpler instruments, up to the formation of clan's civilization, people can make the instrument of comparison elaborate.After beginning to the industrial revolution, machinery is able to swift and violent development, and especially behind the second industrial revolution, the manufacturing flourish people of making require improving constantly of quality to life, begun to occur the manufacturing of various mechanical devices, originally these instruments just are used for life.Up to later stage the 1950's, people begin it is applied to industrial quantification and to the raising of production design accuracy.Along with the not only development of mechanical device and perfect, in early 1960s, the word of precision instrument begins to appear in people's the eye.From then on precision instrument begins constantly development infiltration, as machinery, measurement, electronics, computer and automation, optical technology etc.
The development of precision instrument all be unable to do without precision optical machinery always, precision optical machinery is basis and the requisite part of instrument design, and present precision instrument is along with and development intelligent direction integrated towards the ray machine zooming, the instrument of traditional pure machinery is fewer and feweri, intelligent and multifunctional novel instrument constantly occurs, and has shown that more people develop new demand to precision instrument.Though the miniature instrument performance that produces till now and function be very powerful all, the development of precision instrument still be unable to do without traditional machinery, because traditional machinery still has a lot of desirable places, and as design concept, method for designing etc.
Along with the development of society, every profession and trade is more and more higher to the requirement of the placement environment of the hardware facility that relates in its industry and plummer, particularly to the placement of some precision instruments.For example, at the operating desk that relates to optical element work, often require its support platform to have enough smoothnesses.
Chinese patent CN101738127A discloses a kind of adiabatic supporting device, comprise cold of having a plurality of installing holes on it and be used for supporting described cold support bar, described support bar comprises the top support bar again, presses down support bar, cooperate with described installing hole with a contact or the line way of contact respectively, but the bracing frame of this invention has four support columns.
Chinese patent CN2574502 discloses a kind of supported at three point balance table, it comprises the support section of plummer and support bearing platform, table top three fulcrums of support section are by a vertically direct support column, two indirectly vertical support columns that are connected on the oblique brace summer provide, the other end of two oblique brace summers is fixed on the same point of direct vertically support column, and three support columns of this invention are supporting desktop simultaneously not.
Chinese patent CN201468443U desktop bracing frame, it is characterized in that: the desktop bracing frame is provided with underframe, the quarter butt of triangular support pin is connected with underframe, side lever is provided with the brace of band connecting hole in each triangular support pin, fixture passes connecting hole each triangular support pin is fixed, the upper corners of three triangular support pin is in same plane, and forms the desktop supporting surface, but support column is that face contacts with desktop.
But CN102102986A the present invention relates to a kind of aligning and transfers the circularity/cylindricity measurement workbench that inclines, and comprises the pedestal that is connected with line shaft, operating platform, three bracing frames that are used for placing measured workpiece; Wherein bracing frame comprises two flexible bracing frames and a fixing support rack, and the upper end of flexible bracing frame contacts with the operating platform sphere, and the fixing support rack upper end links to each other with operating platform by the Hooke's hinge assembly, but support column is that sphere contacts with table top.
3 have the effect of determining a plane, the bracing frame that adopts three support columns to constitute has the function that supported objects is fixed on a certain plane, but there is following problem in supported at three point: near supported object center of gravity drops on the leg-of-mutton edge that three strong points constitute or departed from the triangle interior zone, supported object is turned on one's side easily, thereby caused the object accidental injury, even can cause security incident.
Bracing frame and the support platform of prior art report, it all is the operating desk of face contact type, all can't guarantee the enough smooth of its face, in different operating process, the plan-position reappearance that object is placed on the operating desk is bad, be unfavorable for accurate operation, the present invention can provide the supported at three point platform and the leveling method thereof that have enough smoothnesses on a certain plane.
Summary of the invention
Technical problem to be solved by this invention is the support platform working face out-of-flatness that exists in the prior art, the plan-position reappearance that object is placed on the operating desk is bad, the problem that is unfavorable for accurate operation, a kind of leveling method of new supported at three point platform is provided, this method is regulated supported at three point platform balance, it is smooth to have the support works face, and the plan-position favorable reproducibility that object is placed on the operating desk is conducive to the advantage of accurate operation.
For solving the problems of the technologies described above, the technical solution used in the present invention is as follows: a kind of leveling method of supported at three point platform comprises following step:
A) earlier the helicitic texture of three support columns on the bracing frame of brace table and the screw of horizontal base station are cooperated, by three support columns of helicitic texture up-down adjustment of support column, its upper extreme point is on the horizontal plane;
B) nut on the support column is touched base station and screw to fix this support column;
C) supported table top is positioned on the bracing frame, chooses the test point on the supporting bable tops;
D) adopt the horizontal checkout instrument that described test point is tested, to determine dull and stereotyped gradient;
E) according to the gradient test result, to be inserted in the groove of a loose support column with the supporting adjustment means of support column groove, the bottom surface of a pair of support column groove is blocked in the groove side of adjustment means, with respect to the base station rotating regulating tools, support column rotates with respect to base station, the strong point of the support column that makes the test point of support column correspondence and fix is on the same horizontal plane, and the nut that screws on this loose support column is fixed itself and base station;
F) adopt d) and e) method of step adjust another loose support column, and fixing, namely finish the leveling of brace table;
Wherein, described brace table is made of supported at three point frame and table top, and the supported at three point frame comprises three support columns and the base station of fixing above-mentioned support column, and described three support columns are fixed on the described base station by helicitic texture; The position loca that support column is distributed on the base station constitutes triangle, and a pair of two positions are corresponding to have a groove apart from having at least on the support column, and the bottom of groove is the plane, and the upper support position of described support column is curved-surface structure or pyramidal structure.
In the technique scheme, optimized technical scheme is that the support zone curved-surface structure of described support column is spherical structure; Three support column position loca lines constitute acute angle or right angled triangle; Nut and screw thread are arranged on the support column, have the screw that matches with support column on the base station, support column screws mode by screw thread and is fixed on the base station, and the groove on the support column is between the support zone and nut of support column; Described three support columns and base station are made by hard material.Optimized technical scheme is to constitute isosceles right triangle, isosceles acute triangle or equilateral triangle in three support column position loca lines; The main body of described support column is cylindrical structure; Described three support columns are made by the abrasion-proof stainless steel material.
The main body of described support column is rectangular structure, and the position at strong point place is pyramidal structure.Described support column screws mode by screw thread and is fixed on the base station.Have a plurality of standby screws on the base station, base station is made of hard material.Nut and screw thread are arranged on the optimized technical scheme support column, and helicitic texture also can be covered with the bar shaped bar.Described base station can be Any shape, and as preferably, it is generally more regular shape.
In the technique scheme, the support zone of described support column is curved-surface structure, contacts or the line contact for point with the way of contact of table top.The support zone of described support column is spherical structure, is that point contacts with the way of contact of table top.Support frame as described above is made of hard material, and wherein as preferred, support column is made by the abrasion-proof stainless steel material, and the base station that is used for the fixed support post is made by the light aluminum alloy material.
A kind of adjustment means for the described bracing frame of adjusting is characterized by strip, has groove in the middle of the end, and when described instrument was used for regulating bracing frame, two bottom surfaces of a pair of groove of support column can be blocked in two sides of described tool receptacle.
In the technique scheme, the accuracy requirement according to levelness, repeatedly repeat a)～f) step is regulated brace table.
The instrument of described test can be contactless measuring instrument such as height sensors, also can be measuring instrument such as the amesdial of contact.Optimized technical scheme, selected test point are four points on the supported object upper surface, and rectangle of four somes formations, and wherein three points are respectively near three support columns.
Bracing frame provided by the invention and brace table, have the following advantages: the support zone of each strong point is spherical structure, when it supports the object that other has the face structure, can make and contact for point between bracing frame and the object, owing to supported at three point can fully be located and only be located, 3 of meeting geometric allocate the face rule, and this kind design can be determined object in one plane; In addition, when the object that supports when needs is regular planar structure, take three strong points can be with the object that supports on the plane of some needs, and because the position of three strong points constitutes an acute angle or right angled triangle, be easy to realize center of gravity control with object in delta-shaped region inside, thereby make supported object be not easy to turn on one's side.
Bracing frame provided by the invention and brace table can be applicable to various in the higher relatively equipment of smoothness requirement.Particularly be fit to the placement of some precision instruments, for example, operating desk as optical element work, bracing frame provided by the present invention, has higher smoothness, the tram of supported object has been determined in supported at three point, bracing frame of the present invention and support platform have enough smoothnesses, and the plan-position favorable reproducibility that object is placed on the operating desk is not easy to turn on one's side, be conducive to accurate operation, the control method of bracing frame provided by the invention can be regulated level to brace table simply and easily, and it can be with object, especially the plane object is fixed on a certain plane accurately.This support frame structure and control method thereof are simple, owing to adopt supported at three point, it can possess very high horizontal accuracy again, has obtained better technical effect simultaneously.
Description of drawings
Fig. 1 is the embodiment of the invention 1 described bracing frame.
Fig. 2 is the front view of the support column of the embodiment of the invention 1 support frame as described above.
Fig. 3 is the left view of the embodiment of the invention 1 described support column.
Fig. 4 is adjustment means.
Fig. 5 carries out the schematic diagram of position height test for adopting height sensor among the embodiment 1.
Fig. 6 carries out the schematic diagram of height and position test for adopting amesdial among the embodiment 2.
Among Fig. 1, a, b, c are three support columns, general name support column 11; 12 is base station; The position of a, b, three support column locas of c constitutes a triangle.
Among Fig. 2,21 is the support end sphere structure; 22 is the main body of support column; 221 is helicitic texture; 222 is the groove on the support column; 23 nuts.
Among Fig. 3,222 is the groove on the support column.
Among Fig. 4,41 is the groove of adjustment means.
Among Fig. 5,51 is height sensor; A, b, c are three support columns; 12 is base station; 23a is the nut on the support column a; 23b is the nut on the support column b; 23c is the nut on the support column c; 31 is table top; 31a, 31b, 31c, 31d are the test point of the testing stand gradient chosen.
Among Fig. 6,61 amesdials.
The invention will be further elaborated below by representational specific embodiment, is not limited only to present embodiment, also belongs to protection scope of the present invention by simple transformation or equivalent application.
The specific embodiment
[embodiment 1]
A kind of bracing frame as shown in Figure 1, comprises the substrate 12 of 3 support columns 11 and fixed support post; Support column 11 is distributed on the base station 12, and three support column position locas constitute a triangle; Figure 2 shows that the structural representation of support column 11, it is inlayed by ballhead structure 21 and bar shaped bar 22 and forms, bar shaped bar 22 is provided with the groove 221 for regulating action, and bar shaped bar 22 lower ends are provided with helicitic texture 222, and bar shaped bar zone is provided with one for the fixing nut 23 of support column in addition; Figure 3 shows that the structural representation of support column further groove; For the stability and the practicality thereof that improve bracing frame, support column 11 is made by the abrasion-proof stainless steel material, and the base station 12 that is used for the fixed support post is made by the light aluminum alloy material.
A kind of brace table, schematic diagram are made of the bracing frame described in table top and the embodiment 1 as shown in Figure 3, the spherical structure of table top and bracing frame forms point and contacts, this brace table good stability, the plan-position favorable reproducibility that object is placed on the brace table is not easy to turn on one's side.
A kind of a kind of instrument of regulating the support column height as shown in Figure 4, is strip, and one has groove in the middle of terminal, its have with Fig. 2 in the groove 41 that adapts of 222 structures on the support column 11.When described instrument was used for regulating bracing frame, two bottom surfaces of a pair of groove 222 of support column were blocked in two sides of the groove 41 of instrument.
The leveling method of brace table as mentioned above, its leveling process comprises following several steps:
A) with three support columns 11 by helicitic texture 221 simple fixation on the support column bar shaped bar 22 on base station 12,
B) make the upper extreme point 21 of three support columns 11 be in substantially on the horizontal plane by coarse adjustment, and adopt nut 23a that one of them support column a is fixed, make it be difficult for taking place loosening phenomenon;
C) supported object 31 is placed on the bracing frame by the tram, makes object center of gravity non-migration triangle interior zone, as shown in Figure 3,
D) utilize measuring system to choose supporter 31 lip-deep three some 31a, 31b, 31c and carry out the measuring position height as test point, 31a, 31b, 31c respectively directly over the strong point of three support columns 11, the measuring instrument of described measuring system laser elevation sensor 32 as shown in Figure 5.
E) height and position of three points of test, determine the difference in height of three test points, test point 31a with the support column a correspondence that wherein is completely fixed serves as with reference to adjusting support column b, make that the corresponding test point 31a height and position of test point 31a and the support column a that is completely fixed of support column b correspondence is consistent, namely be on the horizontal plane, adopt nut 23b that this support column b is fixed.
F) adopt identical method to adjust the 3rd support column c, make that the test height position of three support columns tops corresponding test point 31a, 31b, 31c is identical, namely 3 in the same plane, the 3rd support column c fixed with nut 23c.
In addition, in the present embodiment, the laser elevation sensor can be mobile at some horizontal planes by the mode that Software Machinery combines, and adopting nut fixedly is a kind of scheme, also can adopt additive method fixed support post, and its purpose all is to prevent that support column is loosening.
[embodiment 2]
A kind of bracing frame comprises the base station of support column and fixed support post, and three support columns are distributed near the edge of base station; The structure of support column is identical with embodiment 1, and it is made of sphere structure and cylindrical structure, and its material is the hard, wear-resistant stainless steel material and makes, and the hard base station is made by the lightweight aluminium material; Have the screwed hole corresponding with the support column helicitic texture at base station, support column is tightened on base station by helicitic texture.Three support column position locas constitute leg-of-mutton three summits, and the triangle that constitutes is isosceles acute triangle, and support column has a pair of groove.
The brace table that present embodiment provides is made of table top and described bracing frame, and the spherical structure of table top and bracing frame forms point and contacts this brace table stability height.
The leveling method of the described brace table of present embodiment, step are with embodiment 1, and difference carries out the height and position test for adopting amesdial 51.Schematic diagram as shown in Figure 6.Repeatedly repeat c)～f) step, up to the brace table levelness nonangular degree that is up to the standard.
[embodiment 3]
A kind of bracing frame comprises the base station of support column and fixed support post, and three support columns are distributed near the edge of base station; Other parts are similar to embodiment 1, but the structure of support column constitutes by ellipsoidal structure and cylindrical structure, oval curved-surface structure is support zone, and its material is the hard, wear-resistant stainless steel material and makes, support column screws mode by screw thread and is fixed on the hard base station, and the hard base station is made by the lightweight aluminium material; Three support column position locas constitute leg-of-mutton three summits, and the triangle that constitutes is non-isosceles acute triangle, have two pairs of grooves on the support column, and support column groove position forms four planes.
The brace table that present embodiment provides is made of table top and aforesaid bracing frame respectively, and the spherical structure of table top and bracing frame forms point and contacts this brace table stability height.The leveling method of the described brace table of present embodiment, step repeatedly repeat c with embodiment 1)～f) step, up to the brace table levelness nonangular degree that is up to the standard.
[embodiment 4]
A kind of bracing frame comprises the base station of three support columns and fixed support post, and three support columns are distributed near the edge of base station; This support column arrangement constitutes by ellipsoidal structure and cylindrical structure, and oval curved-surface structure is support zone.And its material is the hard, wear-resistant stainless steel material and makes, and support column has the identical helicitic texture of embodiment 2, has the screwed hole corresponding with helicitic texture at base station, and support column is tightened on base station by helicitic texture.The hard base station is made by the lightweight aluminium material; Three support column position locas constitute leg-of-mutton three summits, and the triangle that constitutes is isosceles acute triangle.A pair of groove is arranged in the support column.
The brace table that present embodiment provides is made of table top and described bracing frame, and the oval curved-surface structure of table top and bracing frame forms line and contacts this brace table stability height.The leveling method of the described brace table of present embodiment, step repeatedly repeat c with embodiment 1)～f) step, up to the brace table levelness nonangular degree that is up to the standard.
[embodiment 5]
A kind of bracing frame comprises the base station of three support columns and fixed support post, and three support columns are distributed near the edge of base station; This support column arrangement constitutes by pyramidal structure and cylindrical structure, and pyramidal structure is support zone.And its material is the hard, wear-resistant stainless steel material and makes, and support column has the identical helicitic texture of embodiment 1, has the screwed hole corresponding with helicitic texture at base station, and support column is tightened on base station by helicitic texture.The hard base station is made by the lightweight aluminium material; Three support column position locas constitute leg-of-mutton three summits, and the triangle that constitutes is isosceles acute triangle, and three pairs of grooves are arranged in the support column, and support column groove position forms six planes.
The brace table that present embodiment provides is made of table top and described bracing frame, and the awl point structure of table top and bracing frame forms point and contacts this brace table stability height.The leveling method of the described brace table of present embodiment, step are with embodiment 1, and the brace table level does not have inclination.
[embodiment 6]
A kind of a kind of adjustment means of regulating the support column height is elongated cylinder, has groove in the middle of terminal, its have with Fig. 2 in the groove that adapts of 222 structures on the support column 11.When described instrument was used for regulating bracing frame, two bottom surfaces of a pair of groove 222 of support column were blocked in two sides of the groove of adjustment means.
[embodiment 7]
The leveling method of embodiment 3 described brace tables, step are with embodiment 1, and difference carries out the height and position test for adopting amesdial.This support frame structure and control method thereof are simple, owing to adopt supported at three point, it can possess very high horizontal accuracy again simultaneously.
Claims (10)
1. the leveling method of a supported at three point platform comprises following step:
A) earlier the helicitic texture of three support columns on the bracing frame of brace table and the screw of horizontal base station are cooperated, by three support columns of helicitic texture up-down adjustment of support column, its upper extreme point is on the horizontal plane;
B) nut on the support column is touched base station and screw to fix this support column;
C) supported table top is positioned on the bracing frame, chooses the test point on the supporting bable tops;
D) adopt the horizontal checkout instrument that described test point is tested, to determine dull and stereotyped gradient;
E) according to the gradient test result, to be inserted in the groove of a loose support column with the supporting adjustment means of support column groove, the bottom surface of a pair of support column groove is blocked in the groove side of adjustment means, with respect to the base station rotating regulating tools, support column rotates with respect to base station, the strong point of the support column that makes the test point of support column correspondence and fix is on the same horizontal plane, and the nut that screws on this loose support column is fixed itself and base station;
F) adopt d) and e) method of step adjust another loose support column, and fixing, namely finish the leveling of brace table;
Wherein, described brace table is made of supported at three point frame and table top, and the supported at three point frame comprises three support columns and the base station of fixing above-mentioned support column, and described three support columns are fixed on the described base station by helicitic texture; The position loca that support column is distributed on the base station constitutes triangle, and a pair of two positions are corresponding to have a groove apart from having at least on the support column, and the bottom of groove is the plane, and the upper support position of described support column is curved-surface structure or pyramidal structure.
2. the leveling method of the described supported at three point platform of claim 1 is characterized in that the accuracy requirement according to levelness, repeatedly repeat a)～f) step is regulated brace table.
3. the leveling method of supported at three point platform according to claim 1 is characterized in that described horizontal checkout instrument is is contactless measuring instrument or the measuring instrument of contact; Selected test point is four points on the table top, and rectangle of four somes formations, and wherein three points are respectively near three support columns.
4. the leveling method of supported at three point platform according to claim 1 is characterized in that described horizontal checkout instrument is height sensors or amesdial.
5. the leveling method of supported at three point platform according to claim 1, the support zone curved-surface structure that it is characterized in that described support column is spherical structure; Three support column position loca lines constitute acute angle or right angled triangle; Nut and screw thread are arranged on the support column, have the screw that matches with support column on the base station, support column screws mode by screw thread and is fixed on the base station, and the groove on the support column is between the support zone and nut of support column; Described three support columns and base station are made by hard material.
6. the leveling method of supported at three point platform according to claim 5 is characterized in that three support column position loca lines constitute isosceles right triangle, isosceles acute triangle or equilateral triangle; The main body of described support column is cylindrical structure; Described three support columns are made by the abrasion-proof stainless steel material.
7. the leveling method of supported at three point platform according to claim 1 is characterized in that the support zone of described support column contacts or the line contact for point with the way of contact of table top.
8. the leveling method of supported at three point platform according to claim 1 is characterized in that the support zone of described support column is that point contacts with the way of contact of table top.
9. the leveling method of supported at three point platform according to claim 1, it is characterized in that adjustment means is elongated cylinder or strip, have groove in the middle of one end, when described instrument was used for regulating bracing frame, two bottom surfaces of a pair of groove of support column were blocked in two sides of the groove of instrument.
10. the leveling method of supported at three point platform according to claim 9 is characterized in that adjustment means is the cuboid that hard material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210006845.2A CN103203728B (en) | 2012-01-11 | 2012-01-11 | The leveling method of supported at three point platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210006845.2A CN103203728B (en) | 2012-01-11 | 2012-01-11 | The leveling method of supported at three point platform |
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| CN103203728A true CN103203728A (en) | 2013-07-17 |
| CN103203728B CN103203728B (en) | 2017-04-05 |
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| CN201210006845.2A Expired - Fee Related CN103203728B (en) | 2012-01-11 | 2012-01-11 | The leveling method of supported at three point platform |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106060704A (en) * | 2016-07-21 | 2016-10-26 | 太仓怡泰霖智能科技有限公司 | Magnetic suspension high definition sound installation |
| CN106774448A (en) * | 2016-12-29 | 2017-05-31 | 东莞华贝电子科技有限公司 | A kind of automatic level adjusting device |
| CN107881095A (en) * | 2016-09-30 | 2018-04-06 | 广州康昕瑞基因健康科技有限公司 | The leveling structure of sequencing reaction device |
| CN107916220A (en) * | 2016-10-11 | 2018-04-17 | 广州康昕瑞基因健康科技有限公司 | XY platforms screw drives mounting structure |
| CN105651866B (en) * | 2015-12-30 | 2018-07-24 | 中国航空综合技术研究所 | A kind of acoustic scan microscope inspection examining system separate type device positioning device |
| CN110524352A (en) * | 2019-09-06 | 2019-12-03 | 徐州阿马凯液压技术有限公司 | A kind of big valve body novel handcraft burr remover |
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| DE3737591C2 (en) * | 1987-11-05 | 1997-02-27 | Vossloh Werke Gmbh | Screw-dowel combination |
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| US3722360A (en) * | 1969-05-05 | 1973-03-27 | Gen Dynamics Corp | Measuring and locating method |
| EP0239085A2 (en) * | 1986-03-27 | 1987-09-30 | Forschungszentrum Jülich Gmbh | Device for micro-movement of objects |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105651866B (en) * | 2015-12-30 | 2018-07-24 | 中国航空综合技术研究所 | A kind of acoustic scan microscope inspection examining system separate type device positioning device |
| CN106060704A (en) * | 2016-07-21 | 2016-10-26 | 太仓怡泰霖智能科技有限公司 | Magnetic suspension high definition sound installation |
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| CN107916220A (en) * | 2016-10-11 | 2018-04-17 | 广州康昕瑞基因健康科技有限公司 | XY platforms screw drives mounting structure |
| CN106774448A (en) * | 2016-12-29 | 2017-05-31 | 东莞华贝电子科技有限公司 | A kind of automatic level adjusting device |
| CN106774448B (en) * | 2016-12-29 | 2019-09-13 | 东莞华贝电子科技有限公司 | A kind of automatic level adjusting device |
| CN110524352A (en) * | 2019-09-06 | 2019-12-03 | 徐州阿马凯液压技术有限公司 | A kind of big valve body novel handcraft burr remover |
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