CN103063512A - Adjustable supporting device for Hopkinson test bar piece - Google Patents
Adjustable supporting device for Hopkinson test bar piece Download PDFInfo
- Publication number
- CN103063512A CN103063512A CN201210587037XA CN201210587037A CN103063512A CN 103063512 A CN103063512 A CN 103063512A CN 201210587037X A CN201210587037X A CN 201210587037XA CN 201210587037 A CN201210587037 A CN 201210587037A CN 103063512 A CN103063512 A CN 103063512A
- Authority
- CN
- China
- Prior art keywords
- bar
- supporting device
- rod member
- bar pieces
- support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to a bar piece supporting device designed according to the Hopkinson test conditions. The bar piece supporting device mainly consists of adjusting parts, locking nuts, a support frame, an adapter block, a slide block and bar pieces, and is mainly and structurally characterized in that the three adjusting parts capable of freely extending and contracting along shaft lines of the adjusting parts are uniformly distributed on an annular framework, the center space size and the position of the supporting device are adjusted, and further, the center bar pieces are supported, and the axial motion of the bar pieces is limited; the bar pieces are supported by bearings at the end parts of the adjusting parts; and meanwhile, the free axial motion of the bar pieces is realized by utilizing the rotation of the bearings. The bar piece supporting device is formed by the simple parts and has the advantages of simplicity, reliability, small size, large adjustable scope, bearing rolling friction adopted in the bar pieces and small resistance, and the degree of freedom of the bar pieces and the rotation motion along shafts can be effectively limited; meanwhile, the axial motion of the bar pieces can not be influenced basically; and as the adjusting scope of the supporting device self is large, the bar piece supporting device can adapt to the bar pieces of which the diameters are within a certain scope.
Description
Technical field
The invention belongs to the material dynamic mechanical research field, particularly a kind of adjustable support of hopkinson test rod member.
Background technology
Separate type hopkinson test device is one of important method of research material mechanical property, and its principle is to be based upon on the one-dimensional stress ripple basis.Although principle and the technology of separate type hopkinson test device are full-fledged, not standardization of test unit itself still remains to be further developed.According to one-dimensional stress ripple basis as can be known, levelness and right alignment to the Hopkinson rod member in the test are had relatively high expectations, so to the adjustment of rod member with support most important.Simultaneously for the test of different materials, the diameter of bar also there are different requirements.Name is called the article (N.K.Naik of " Mechanical behaviour of acrylic under high strain rate tensile loading ", Polymer Testing, 27,504 – 512,2008) and name be called article (the Maziar Ramezani of " Combined experimental and numerical analysis of bulge test at high strain rates using split Hopkinson pressure bar apparatus ", Journal of Materials Processing Technology, 210,1061 – 1069,2010) adopted door type device supporting rod, this structure can not be adjusted the position of rod member substantially, this has just proposed higher requirement to the precision of testing table pedestal and bracing or strutting arrangement itself, and the diameter of supporting rod is restricted.Name is called the article (T.Vuoristo of " Creep; recovery and high strain rate response of soft roll cover materials ", Mechanics of Materials, 34,493 – 504,2002) adopted a kind of complicated supporting construction, utilize the horizontal and vertical motion of structure to adjust the rod member position, this mode structure and complex process, processing charges is high, and is also restricted to the diameter of rod member simultaneously.
Summary of the invention
Technical matters solved by the invention is to provide a kind of adjustable support of hopkinson test rod member.
The technical solution that realizes the object of the invention is: a kind of adjustable support of hopkinson test rod member, comprise regulating part, set nut, support, transfer block, slide block and rod member, transfer block is set on the slide block, support is connected on the transfer block, evenly be provided for three regulating parts of supporting rod on the support, each regulating part all is fixed on support by set nut, and the angle of per two regulating part central shafts is 120 degree.
The present invention compared with prior art, its remarkable advantage is: the present invention is simple in structure, be not to be conceived to realize testing requirements by the structure of complexity, but limited part simple in structure is passed through cleverly combination, satisfy testing requirements, the reliability of this device that also increases in convenient processing and manufacture and cost-effective while; All parts in the device all are to obtain by common machine processing, and the machine work precision is higher, but the degree of accuracy of assurance device, thus the consistance of assurance device; The present invention can realize the high precision adjustment on rod member horizontal direction and the vertical direction, thereby guarantees the right alignment at different bracing or strutting arrangements center; The yardstick that regulating part stretches is large, and the rod member that can adapt to different-diameter when making range of adjustment than Datong District supports and regulates; Regulating part utilizes the rolling friction of bearing by the bearings rod member of axis perpendicular to center line of the bar, when effectively the restriction rod member moves radially on its axially-movable substantially without affecting, can reduce to greatest extent the impact that rubs trial stem is moved.
Below in conjunction with accompanying drawing the present invention is described in further detail.
Description of drawings
Fig. 1 is the adjustable support structural representation of hopkinson test rod member of the present invention.
Fig. 2 is the supporting structure synoptic diagram.
Fig. 3 is the regulating part structural representation.
The implication of number in the figure representative is: 1. regulating part 2. set nuts 3. supports 4. transfer blocks 5. slide blocks 6. rod members 7. manual pulley 8. sleeves 9. are filled in formula axles 10. adjusting screw(rod)s 11. transverse axis 12. necklaces 13. set nuts 14. bearings 15. clamping screws 16. nuts
Embodiment
The bracing or strutting arrangement of Hopkinson rod member is the important component part of hopkinson test, is the important device that guarantees the motion of rod member horizontal one-dimensional.
By reference to the accompanying drawings, the adjustable support of a kind of hopkinson test rod member of the present invention, comprise regulating part 1, set nut 2, support 3, transfer block 4, slide block 5 and rod member 6, transfer block 4 is set on the slide block 5, support 3 is connected on the transfer block 4, evenly be provided for three regulating parts 1 of supporting rod 6 on the support 3, each regulating part 1 all is fixed on support 3 by set nut 2, and the angle of per two regulating part 1 central shafts is 120 degree.
Described regulating part 1 comprises manual pulley 7, sleeve 8, plug formula axle 9, adjusting screw(rod) 10, transverse axis 11, necklace 12, set nut 13, bearing 14, clamping screw 15 and nut 16, adjusting screw(rod) 10 is positioned at plug formula axle 9, the two is threaded, plug formula axle 9 is arranged in the sleeve 8 and is connected with nut with the manual pulley 7 that is positioned at sleeve 8 one ends and is connected, bearing 14 is arranged on the plug formula axle 9 by transverse axis 11, necklace 12 and the set nut 13 that is used for limiting bearing 14 transverse movements is set on the transverse axis 11, and sleeve 8 outer wall settings are used for limiting the clamping screw 15 that plug formula axle 9 rotates.
The axis of described bearing 14 is vertical with the axis of supported rod member 6.Centered by the manual pulley with the disc of square hole.The vertical slot of plug formula axle 9 arranged outside axially-extendings.The standard component of described slide block 5 for matching with the standard slide rail.
Its principle of work is: as can be seen from Figure 1, this device is installed on the slide rail supporting with it by standard component slide block 5, can be along the slide rail free movement.By three flexible size and positions that can the adjusting supporting device central space that are evenly distributed on support 3 adjusted parts 1.Set nut 2 in the regulating part 1 is fixed on sleeve 8 on the support 3, and as can be seen from Figure 2, the square base of sleeve 8 and the square groove fit of support 3 increase stability fixing between regulating part 1 and the support 3, prevent the rotation of regulating part 1.
The rotation that rotarily drives adjusting screw(rod) 10 of manual pulley 7 among Fig. 3.There is long vertical slot the side of plug formula axle 9, when clamping screw 15 passes sleeve 8 and not exclusively tightens, clamping screw 15 can limit plug formula axle 9 with respect to the rotation of sleeve 8, between adjusting screw(rod) 10 and the plug formula axle 9 with being threaded, so the rotation of adjusting screw(rod) 10 can be converted into the axially-movable of plug formula axle 9, thus the motion of the bearing 14 of drive supporting rod 6.The bearing 14 that is installed on the transverse axis 11 can freely rotate around transverse axis 11, makes the rod member 6 that is supported on the bearing 14 can be in free movement on itself axis.Can tighten clamping screw 15 after debugging is good, it is fixing to fill in formula axle 9.
It should be noted that bearing 14 axis that to guarantee on the regulating part 1 in the installation process perpendicular to the axis of rod member 6, make the axially-movable of rod member 4 and 14 on bearing be rolling friction.
When utilizing bracing or strutting arrangement of the present invention that rod member 6 is supported and regulates, several adjustable supports that are fixed on like this on the slide block 5 are placed on the slide rail with certain spacing, the rod member 6 of certain-length is placed on the center of these supports, can control levelness and the right alignment of rod member 6 by adjusting bearing 14 positions on each adjustable supports, the effect of bearing 14 is not affect again its axially-movable when regulating the position of rod member 6 and constraining member 6 radial motion, thereby satisfies the requirement of test.
Claims (5)
1. the adjustable support of a hopkinson test rod member, it is characterized in that, comprise regulating part [1], set nut [2], support [3], transfer block [4], slide block [5] and rod member [6], transfer block [4] is set on the slide block [5], support [3] is connected on the transfer block [4], evenly be provided for three regulating parts [1] of supporting rod [6] on the support [3], each regulating part [1] all is fixed on the support [3] by set nut [2], and the angle of per two regulating parts [1] central shaft is 120 degree.
2. the adjustable support of hopkinson test rod member according to claim 1, it is characterized in that, described regulating part [1] comprises manual pulley [7], sleeve [8], plug formula axle [9], adjusting screw(rod) [10], transverse axis [11], necklace [12], set nut [13], bearing [14], clamping screw [15] and nut [16], adjusting screw(rod) [10] is positioned at plug formula axle [9], the two is threaded, plug formula axle [9] is arranged in the sleeve [8] and with the manual pulley that is positioned at sleeve [8] one ends [7] is connected 16 with nut] be connected, bearing [14] is arranged on the plug formula axle [9] by transverse axis [11], upper necklace [12] and the set nut [13] that is used for limiting bearing [14] transverse movement that arrange of transverse axis [11], sleeve [8] outer wall setting is used for limiting the clamping screw [15] that plug formula axle [9] rotates.
3. the adjustable support of hopkinson test rod member according to claim 1 and 2 is characterized in that, the axis of bearing [14] is vertical with the axis of supported rod member [6].
4. the adjustable support of hopkinson test rod member according to claim 1 and 2 is characterized in that, centered by the manual pulley [7] with the disc of square hole.
5. the adjustable support of hopkinson test rod member according to claim 1 and 2 is characterized in that, the vertical slot of plug formula axle [9] arranged outside axially-extending.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210587037XA CN103063512A (en) | 2012-12-30 | 2012-12-30 | Adjustable supporting device for Hopkinson test bar piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210587037XA CN103063512A (en) | 2012-12-30 | 2012-12-30 | Adjustable supporting device for Hopkinson test bar piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103063512A true CN103063512A (en) | 2013-04-24 |
Family
ID=48106226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210587037XA Pending CN103063512A (en) | 2012-12-30 | 2012-12-30 | Adjustable supporting device for Hopkinson test bar piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103063512A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103454141A (en) * | 2013-08-13 | 2013-12-18 | 中国人民解放军陆军军官学院 | Positioning device for supporting and radially adjusting split hopkinson bar |
| CN103983512A (en) * | 2014-05-16 | 2014-08-13 | 南京理工大学 | Hopkinson pulling and pressing integrated experimental device |
| CN104964871A (en) * | 2015-07-15 | 2015-10-07 | 福建江夏学院 | Adjustable vertical Hopkinson incident pressure bar bundle guide device and use method thereof |
| CN105626623A (en) * | 2014-10-31 | 2016-06-01 | 北京实验工厂 | Zero-position locking mechanism capable of being rapidly dismounted and mounted and adjustable |
| CN106841255A (en) * | 2017-03-27 | 2017-06-13 | 同济大学 | A kind of adjustable clamping device for axonometry |
| CN106840900A (en) * | 2017-03-31 | 2017-06-13 | 沈阳建筑大学 | The research structure experimental rig and method of rod member Subjected To Compression, Bending, Shear Hysteresis Behavior |
| CN107655744A (en) * | 2017-08-15 | 2018-02-02 | 河海大学 | The explosion-proof supporting arrangement of the more size rock samples of split hopkinson bar and method |
| CN109632533A (en) * | 2018-12-03 | 2019-04-16 | 天津大学 | A kind of experimental provision to core variable-diameter rock Hopkinson bar |
| CN111145948A (en) * | 2019-12-02 | 2020-05-12 | 安徽华通电缆集团有限公司 | Zero-buoyancy underwater detection special cable and anti-torsion detection equipment for cable |
| CN112577813A (en) * | 2020-12-04 | 2021-03-30 | 西南交通大学 | Be used for disconnect-type hopkinson depression bar test piece positioner |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6109093A (en) * | 1996-12-12 | 2000-08-29 | European Community | Split Hopkinson bar testing apparatus |
| CN2547441Y (en) * | 2002-06-23 | 2003-04-30 | 青岛港务局 | Lathe centre frame |
| CN101504326A (en) * | 2009-03-10 | 2009-08-12 | 湖南大学 | Differential pressure emission type multi-diameter separating Hopkinson pulling and pressing integrated rod |
| CN102393304A (en) * | 2011-10-20 | 2012-03-28 | 中国航天科技集团公司第四研究院四○一所 | Sliding barrel type central frame used in solid rocket motor static test |
-
2012
- 2012-12-30 CN CN201210587037XA patent/CN103063512A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6109093A (en) * | 1996-12-12 | 2000-08-29 | European Community | Split Hopkinson bar testing apparatus |
| CN2547441Y (en) * | 2002-06-23 | 2003-04-30 | 青岛港务局 | Lathe centre frame |
| CN101504326A (en) * | 2009-03-10 | 2009-08-12 | 湖南大学 | Differential pressure emission type multi-diameter separating Hopkinson pulling and pressing integrated rod |
| CN102393304A (en) * | 2011-10-20 | 2012-03-28 | 中国航天科技集团公司第四研究院四○一所 | Sliding barrel type central frame used in solid rocket motor static test |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103454141A (en) * | 2013-08-13 | 2013-12-18 | 中国人民解放军陆军军官学院 | Positioning device for supporting and radially adjusting split hopkinson bar |
| CN103983512A (en) * | 2014-05-16 | 2014-08-13 | 南京理工大学 | Hopkinson pulling and pressing integrated experimental device |
| CN105626623A (en) * | 2014-10-31 | 2016-06-01 | 北京实验工厂 | Zero-position locking mechanism capable of being rapidly dismounted and mounted and adjustable |
| CN104964871A (en) * | 2015-07-15 | 2015-10-07 | 福建江夏学院 | Adjustable vertical Hopkinson incident pressure bar bundle guide device and use method thereof |
| CN106841255B (en) * | 2017-03-27 | 2019-07-05 | 同济大学 | A kind of adjustable clamping device for axonometry |
| CN106841255A (en) * | 2017-03-27 | 2017-06-13 | 同济大学 | A kind of adjustable clamping device for axonometry |
| CN106840900A (en) * | 2017-03-31 | 2017-06-13 | 沈阳建筑大学 | The research structure experimental rig and method of rod member Subjected To Compression, Bending, Shear Hysteresis Behavior |
| CN106840900B (en) * | 2017-03-31 | 2024-01-30 | 沈阳建筑大学 | Test device and method for researching compression-bending-shearing hysteresis performance of rod piece for structure |
| CN107655744A (en) * | 2017-08-15 | 2018-02-02 | 河海大学 | The explosion-proof supporting arrangement of the more size rock samples of split hopkinson bar and method |
| CN107655744B (en) * | 2017-08-15 | 2020-04-03 | 河海大学 | Separated Hopkinson bar multi-size rock sample explosion-proof supporting device and method |
| CN109632533A (en) * | 2018-12-03 | 2019-04-16 | 天津大学 | A kind of experimental provision to core variable-diameter rock Hopkinson bar |
| CN111145948A (en) * | 2019-12-02 | 2020-05-12 | 安徽华通电缆集团有限公司 | Zero-buoyancy underwater detection special cable and anti-torsion detection equipment for cable |
| CN112577813A (en) * | 2020-12-04 | 2021-03-30 | 西南交通大学 | Be used for disconnect-type hopkinson depression bar test piece positioner |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103063512A (en) | Adjustable supporting device for Hopkinson test bar piece | |
| CN109459240A (en) | A kind of bearing tester | |
| CN203189603U (en) | Novel elastic damping righting frame | |
| CN209495927U (en) | It is a kind of to be axially stretched and rotating bending test machine | |
| CN105043791B (en) | A kind of pneumatic gripping testing stand | |
| CN104786045A (en) | Flywheel clutch positioning pin pressing tool | |
| CN105135971A (en) | Movable spherical core comprehensive error detecting device supported by double vertical columns | |
| CN202453184U (en) | Parameter measurement device for tapered roller bearing | |
| CN104614189A (en) | Radial loading experimental device for tire dynamic test | |
| CN203656496U (en) | Motor rack fixing device | |
| CN111829419B (en) | Double-frame coaxial detection device | |
| CN109765122A (en) | A kind of auto parts and components bending resistance cubing and its application method | |
| CN109707793B (en) | Center of mass self-calibration inertia flywheel device | |
| CN208672309U (en) | Double-row roller bearing end-play detection device | |
| CN208805129U (en) | Pitch diameter of thread bounce gauge | |
| CN208399123U (en) | A kind of testing stand for spring fatigue test | |
| CN206382489U (en) | A kind of floating riveting set | |
| CN108326807A (en) | A kind of tightness detection platform for machine components | |
| CN208476199U (en) | Laser outer diameter detecting instrument | |
| CN208697036U (en) | A kind of bearing outer ring edging platform | |
| CN203785838U (en) | Shafting dynamic balancing experimental device | |
| CN209055324U (en) | The shafting testing stand of variable stiffness and bearing layout | |
| CN204788219U (en) | Shafting fixing device of spare part tester | |
| CN104655076A (en) | Vehicle hub detection system with clamp and use method of vehicle hub detection system | |
| CN107552670A (en) | A kind of punching press feeding robot |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130424 |