CN102798524B - Multipoint centripetal loading test device of inflatable ring structure - Google Patents
Multipoint centripetal loading test device of inflatable ring structure Download PDFInfo
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- CN102798524B CN102798524B CN201210334165.3A CN201210334165A CN102798524B CN 102798524 B CN102798524 B CN 102798524B CN 201210334165 A CN201210334165 A CN 201210334165A CN 102798524 B CN102798524 B CN 102798524B
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- centripetal
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- circular plate
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Abstract
The invention discloses a multipoint centripetal loading test device of an inflatable ring structure, and relates to a centripetal loading test device of an inflatable ring and the multipoint centripetal loading test device is used for solving the problem that in-plane bearing capacity tests suitable for the inflatable ring structure of different sizes cannot be realized through the existing test device. The multipoint centripetal loading test device comprises a supporting base, circular ring plates, a round bearing tray, a weighting block, a plurality of adjustable pulley systems, a plurality of restraint blocks having the same number with the adjustable pulley systems and a plurality of loading systems having the same number with the adjustable pulley systems, wherein the circular ring plates are arranged on the upper end face of the supporting base; the plurality of adjustable pulley systems are arranged on the upper surface of the circular ring plate close to an inner circle in equal central angles; each loading system is connected with the inflatable ring and the round bearing tray through the corresponding adjustable pulley system; one restraint block is arranged in each loading position of the inflatable ring; and the plurality of restraint blocks are all fixed on the upper surface of the circular ring plate close to the outer ring of the inflatable ring. The multipoint centripetal loading test device of the inflatable ring structure is used for multipoint centripetal loading tests of the inflatable ring structure.
Description
Technical field
The present invention relates to the centripetal load testing machine of a kind of inflation ring.
Background technology
Inflation ring is a kind of conventional load-carrying construction in inflatable deployment structure, and the key of its application is that inflation ring structure will have load-bearing capacity in certain face.In so-called face, load-bearing capacity refers to, and when inflation ring bearing plane internal load, F does the used time, the ability of its resistance to deformation, and inflation ring distortion is less, illustrates that inflation ring load-bearing capacity is stronger.Test is the direct method of load-bearing capacity in assessment inflation anchor ring, but also there is no test unit to realize to be at present applicable to load carrying capacity test in the face of different size inflation ring structure.
Summary of the invention
The object of the invention is the problem of load carrying capacity test in the face for solving the inflation ring structure that there is no at present test unit to realize to be applicable to different size, and then provide a kind of inflation ring structure multiple spot centripetal load testing machine.
The present invention addresses the above problem the technical scheme of taking to be: the centripetal load testing machine of a kind of inflation ring structure multiple spot of the present invention comprises base for supporting, Circular Plate, circular bearing tray, weight, multiple adjustable type pulley system, multiple constraint blocks consistent with adjustable type pulley system quantity and the multiple loading systems consistent with adjustable type pulley system quantity;
Circular Plate is arranged on the upper surface of base for supporting, the first-class central angle of upper surface of the Circular Plate of close inner circle is furnished with multiple adjustable type pulley systems, the corresponding matching setting one by one of adjustable type pulley system and loading system, each loading system is connected with inflation ring and circular bearing tray by corresponding adjustable type pulley system, each described adjustable type pulley system realizes the centripetal loading of multiple spot of inflation ring for loading system, loading system is to inflation ring imposed load, each loading position of inflation ring is all arranged a constraint block, multiple constraint blocks are all fixed on the upper surface near the Circular Plate of inflation ring cylindrical, on upper surface in Circular Plate, there is rigid body displacement at centripetal loading procedure for retraining inflation ring in constraint block, weight is placed on circular bearing tray, weight is the load that for loading system, inflation ring is applied centripetal loading.
The invention has the beneficial effects as follows: simplicity of design of the present invention, economical and practical; Be applicable to the centripetal load test of multiple spot of different size inflation ring structure, can realize the centripetal load test of multiple spot of inflation ring structure simultaneously, utilize apparatus of the present invention to can be used for evaluating load-bearing capacity in inflation anchor ring; In process of the test, can ensure the not rigid body displacement in generating plane of inflation ring structure; In addition the displacement that, the present invention can also measure inflation ring structure easily by simple survey instrument (as meter ruler).The present invention can realize and evaluate load-bearing capacity in inflation anchor ring.
Brief description of the drawings
Fig. 1 is perspective view of the present invention, and Fig. 2 is the main TV structure schematic diagram of apparatus of the present invention, and Fig. 3 is the left view of Fig. 2, and Fig. 4 is the A-A cut-open view of Fig. 2, and Fig. 5 is the vertical view of Fig. 2.
Embodiment
Embodiment one: in conjunction with Fig. 1-Fig. 5, present embodiment is described, the centripetal load testing machine of inflation ring structure multiple spot of present embodiment comprises base for supporting 7, Circular Plate 5, circular bearing tray 2, weight 8, multiple adjustable type pulley system 1, multiple constraint blocks 6 consistent with adjustable type pulley system 1 quantity and the multiple loading systems 4 consistent with adjustable type pulley system 1 quantity;
Circular Plate 5 is arranged on the upper surface of base for supporting 7, the first-class central angle of upper surface of the Circular Plate 5 of close inner circle is furnished with multiple adjustable type pulley systems 1, adjustable type pulley system 1 and loading system 4 corresponding matching setting one by one, each loading system 4 is connected with inflation ring 3 and circular bearing tray 2 by corresponding adjustable type pulley system 1, each described adjustable type pulley system 1 realizes the centripetal loading of multiple spot of inflation ring 3 for loading system 4, loading system 4 is to inflation ring 3 imposed loads, each loading position of inflation ring 3 is all arranged a constraint block 6, multiple constraint blocks 6 are all fixed on the upper surface near the Circular Plate 5 of inflation ring cylindrical, on the upper surface of Circular Plate 5, there is rigid body displacement at centripetal loading procedure for retraining inflation ring 3 in constraint block 6, weight 8 is placed on circular bearing tray 2, weight 8 is the load that for loading system 4, inflation ring 3 is applied centripetal loading.
The first-class central angle of upper surface of the Circular Plate 5 of the close inner circle of present embodiment is furnished with inner circle in multiple adjustable type pulley systems 1 and refers to the inner circle of Circular Plate 5.
Embodiment two: present embodiment is described in conjunction with Fig. 1-Fig. 5, the each described adjustable type pulley system 1 of present embodiment comprises angle steel 1-1 and a pulley 1-2, the xsect of angle steel 1-1 is connected with the upper surface of the Circular Plate 5 near inner circle, and the angle of two hem widths of angle steel 1-1 is towards the cylindrical of Circular Plate 5, one of them hem width of angle steel 1-1 and constraint block 6 are just to arranging, with constraint block 6 just to arrange hem width on be provided with strip hole 1-3 along the length direction of angle steel, the top that is positioned at the inner circle of Circular Plate 5 is provided with the pulley 1-2 being connected with angle steel 1-1, pulley 1-2 can move up and down along strip hole 1-3.The pulley of present embodiment can be along strip hole height up and down, to meet the centripetal load test of multiple spot of inflation ring of different cross section diameter, when test, make the section radius of pulley top groove height and inflation ring contour, thereby ensure high strength suspension wire 4-2 parallel with the upper surface of Circular Plate 5 (power on suspension wire does not have the component perpendicular to the upper surface of Circular Plate 5 like this).Meet the design requirements and the actual needs.Other is identical with embodiment one.
Embodiment three: present embodiment is described in conjunction with Fig. 1-Fig. 5, the each described loading system 4 of present embodiment comprises nylon tape 4-1 and suspension wire 4-2, the loading surface place of inflation ring 3 is around nylon tape 4-1, the nylon tape 4-1 constraint block 6 that reclines, one end of suspension wire 4-2 connects nylon tape 4-1, the other end of suspension wire 4-2 is placed in the groove of pulley 1-2 and is connected with circular bearing tray 2 through strip hole 1-3, and suspension wire 4-2 is parallel with the upper surface of Circular Plate 5.The suspension wire of present embodiment adopts high strength suspension wire, to bear the general assembly (TW) of weight and circular bearing tray; Present embodiment suspension wire is parallel with the upper surface of Circular Plate, meets the needs of the centripetal loading of multiple spot, ensures the homogeneity loading; The load(ing) point place at inflation ring described in present embodiment, around the nylon tape 4-1 of certain width, prevents that in loading procedure, inflation ring occurs cripling too early at load(ing) point, ensures the reliable and stable of centripetal loading.At load(ing) point place, high strength suspension wire one end of equal length is connected in to nylon tape, the other end, through after adjustable type pulley system, is connected with circular bearing tray edge.When test, make the section radius of pulley top groove height and inflation ring contour, thereby ensure suspension wire parallel with the upper surface of Circular Plate 5 (power on suspension wire does not have the component perpendicular to the upper surface of Circular Plate 5 like this).Usage level chi, by circular bearing tray leveling, ensures that the mass on circular bearing tray can be distributed to weight on every high strength suspension wire 4-2 equably.Other is identical with embodiment two.
Embodiment four: in conjunction with Fig. 1-Fig. 5, present embodiment is described, multiple constraint blocks 6 are fixed by screws on the upper surface near the Circular Plate 5 of inflation ring cylindrical described in present embodiment.So arrange, it is reliably convenient to connect, and meets the design requirements and the actual needs.Other is identical with embodiment one, two or three.
Embodiment five: in conjunction with Fig. 1-Fig. 5, present embodiment is described, there is equidistantly circuit with one heart on the upper surface of the Circular Plate 5 of present embodiment.So arrange, can utilize concentric circuit tentatively to determine the position of inflation ring in Circular Plate 5, the geometric centroid of inflation ring and the centre of form of circular bearing tray are roughly overlapped, with the homogeneity and the centrality that ensure to load.Other is identical with embodiment one, two or three.
Embodiment six: in conjunction with Fig. 1-Fig. 5, present embodiment is described, the quantity of adjustable type pulley system 1 is 2-8 described in present embodiment.Present embodiment, according to the needs of load carrying capacity test in the face of centripetal loading, can be selected the centripetal loading of 2 to 8, if 2 centripetal loadings, two adjustable type pulley systems 1 of selection Arbitrary Relative; If 4 centripetal loadings are selected at interval of an adjustable type pulley system 1; If 3 or 5 centripetal loadings, remove unnecessary adjustable type pulley system, according to etc. center of circle angle rearrange adjustable type pulley system 1.Other is identical with embodiment one or two.
Embodiment seven: in conjunction with Fig. 2 and Fig. 4, present embodiment is described, test unit also comprises the bar 9 of vertical setting described in present embodiment, and one end of bar 9 is connected with the middle part of the lower surface of circular bearing tray 2.So arrange, can, by the displacement on the top of simple survey instrument (as meter ruler) sounding rod, can accurately obtain the displacement of whole circular bearing tray, the namely centripetal displacement of inflation ring structure, present embodiment is simple reliable.Other is identical with embodiment one, two or three.
Embodiment eight: in conjunction with Fig. 1, present embodiment is described, base for supporting 7 is made up of four rectangular slab 7-1 described in present embodiment, and adjacent two rectangular slab 7-1 vertically connect, and base for supporting 7 is square.So arrange, simple in structure, easy to use and reliable stable, meet the design requirements and the actual needs.Other is identical with embodiment one, two or three.
Principle of work
When test, on upper surface by inflation ring structure as for the Circular Plate of this device, according to the quantity of centripetal loading, select respectively the quantity of adjustable type pulley system, loading system and constraint block, according to etc. center of circle angle arrange adjustable type pulley system, loading system and constraint block, inflation ring test specimen is placed on the upper surface of Circular Plate, after nylon tape is connected with inflation ring structure, after passing adjustable type pulley system by suspension wire, be connected with circular bearing tray, on circular bearing tray, place after weight, realize the centripetal loading of the multiple spot of inflation ring structure.If 2 centripetal loadings, two adjustable type pulley systems of selection Arbitrary Relative; If 4 centripetal loadings are selected at interval of an adjustable type pulley system; If 3 or 5 centripetal loadings, remove unnecessary adjustable type pulley system.
Claims (8)
1. the centripetal load testing machine of inflation ring structure multiple spot, is characterized in that: described device comprises base for supporting (7), Circular Plate (5), circular bearing tray (2), weight (8), multiple adjustable type pulley system (1), multiple constraint blocks (6) consistent with adjustable type pulley system (1) quantity and the multiple loading systems (4) consistent with adjustable type pulley system (1) quantity;
Circular Plate (5) is arranged on the upper surface of base for supporting (7), the first-class central angle of upper surface of the Circular Plate (5) of close inner circle is furnished with multiple adjustable type pulley systems (1), adjustable type pulley system (1) and loading system (4) corresponding matching setting one by one, each loading system (4) is connected with inflation ring (3) and circular bearing tray (2) by corresponding adjustable type pulley system (1), each described adjustable type pulley system (1) realizes the centripetal loading of multiple spot of inflation ring (3) for loading system (4), loading system (4) is to inflation ring (3) imposed load, each loading position of inflation ring (3) is all arranged a constraint block (6), multiple constraint blocks (6) are all fixed on the upper surface near the Circular Plate (5) of inflation ring cylindrical, on the upper surface of Circular Plate (5), there is rigid body displacement at centripetal loading procedure for retraining inflation ring (3) in constraint block (6), weight (8) is placed on circular bearing tray (2), weight (8) is the load that for loading system (4), inflation ring (3) is applied centripetal loading.
2. the centripetal load testing machine of inflation ring structure multiple spot according to claim 1, it is characterized in that: each described adjustable type pulley system (1) comprises angle steel (1-1) and a pulley (1-2), the xsect of angle steel (1-1) is connected with the upper surface of the Circular Plate (5) near inner circle, and the angle of two hem widths of angle steel (1-1) is towards the cylindrical of Circular Plate (5), one of them hem width of angle steel (1-1) and constraint block (6) are just to arranging, with constraint block (6) just to arrange hem width on be provided with strip hole (1-3) along the length direction of angle steel, the top that is positioned at the inner circle of Circular Plate (5) is provided with the pulley (1-2) being connected with angle steel (1-1), pulley (1-2) can move up and down along strip hole (1-3).
3. the centripetal load testing machine of inflation ring structure multiple spot according to claim 2, it is characterized in that: each described loading system (4) comprises nylon tape (4-1) and suspension wire (4-2), the loading surface place of inflation ring (3) is around nylon tape (4-1), nylon tape (4-1) constraint block (6) that reclines, one end of suspension wire (4-2) connects nylon tape (4-1), the other end of suspension wire (4-2) is placed in the groove of pulley (1-2) and is connected with circular bearing tray (2) through strip hole (1-3), and suspension wire (4-2) is parallel with the upper surface of Circular Plate (5).
4. according to the centripetal load testing machine of inflation ring structure multiple spot described in claim 1,2 or 3, it is characterized in that: described multiple constraint blocks (6) are fixed by screws on the upper surface near the Circular Plate (5) of inflation ring cylindrical.
5. according to the centripetal load testing machine of inflation ring structure multiple spot described in claim 1,2 or 3, it is characterized in that: on the upper surface of Circular Plate (5), there is equidistantly circuit with one heart.
6. the centripetal load testing machine of inflation ring structure multiple spot according to claim 1 and 2, is characterized in that: the quantity of described adjustable type pulley system (1) is 2-8.
7. according to the centripetal load testing machine of inflation ring structure multiple spot described in claim 1,2 or 3, it is characterized in that: described test unit also comprises the bar (9) of vertical setting, one end of bar (9) is connected with the middle part of the lower surface of circular bearing tray (2).
8. according to the centripetal load testing machine of inflation ring structure multiple spot described in claim 1,2 or 3, it is characterized in that: described base for supporting (7) is made up of four rectangular slabs (7-1), adjacent two rectangular slabs (7-1) vertically connect, and base for supporting (7) is square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210334165.3A CN102798524B (en) | 2012-09-11 | 2012-09-11 | Multipoint centripetal loading test device of inflatable ring structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210334165.3A CN102798524B (en) | 2012-09-11 | 2012-09-11 | Multipoint centripetal loading test device of inflatable ring structure |
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| Publication Number | Publication Date |
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| CN102798524A CN102798524A (en) | 2012-11-28 |
| CN102798524B true CN102798524B (en) | 2014-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210334165.3A Active CN102798524B (en) | 2012-09-11 | 2012-09-11 | Multipoint centripetal loading test device of inflatable ring structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114001946B (en) * | 2021-11-11 | 2024-04-16 | 哈尔滨工业大学 | Comprehensive test system for bearing performance of inflatable ring structure |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4038863A (en) * | 1976-11-19 | 1977-08-02 | Arguto, Inc. | Machine for testing and comparing bearings and bearing materials |
| US4235092A (en) * | 1979-06-08 | 1980-11-25 | Burroughs Corporation | Low friction bearing running torque measuring apparatus |
| US4909641A (en) * | 1988-08-25 | 1990-03-20 | The Torrington Company | Bearing with expanded load zone |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7942778B2 (en) * | 2004-10-29 | 2011-05-17 | Geoffrey Allan Williames | Hydromechanical variable speed transmission |
| GB0509787D0 (en) * | 2005-05-12 | 2005-06-22 | Brisland M J | Fluid powered motor or pump |
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2012
- 2012-09-11 CN CN201210334165.3A patent/CN102798524B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4038863A (en) * | 1976-11-19 | 1977-08-02 | Arguto, Inc. | Machine for testing and comparing bearings and bearing materials |
| US4235092A (en) * | 1979-06-08 | 1980-11-25 | Burroughs Corporation | Low friction bearing running torque measuring apparatus |
| US4909641A (en) * | 1988-08-25 | 1990-03-20 | The Torrington Company | Bearing with expanded load zone |
Non-Patent Citations (4)
| Title |
|---|
| 于宁.充气环结构的承载能力分析.《中国优秀硕士论文全文数据库》.2011,正文2.2节. |
| 充气环结构的承载能力分析;于宁;《中国优秀硕士论文全文数据库》;20111231;正文2.2节 * |
| 基于充气梁理论的充气桁架屈曲行为分析;杜振勇等;《哈尔滨工业大学学报》;20110331;全文 * |
| 杜振勇等.基于充气梁理论的充气桁架屈曲行为分析.《哈尔滨工业大学学报》.2011,全文. |
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