CN203811479U - Portable mechanical property testing machine for stretching and twisting composite material - Google Patents
Portable mechanical property testing machine for stretching and twisting composite material Download PDFInfo
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- CN203811479U CN203811479U CN201420169730.XU CN201420169730U CN203811479U CN 203811479 U CN203811479 U CN 203811479U CN 201420169730 U CN201420169730 U CN 201420169730U CN 203811479 U CN203811479 U CN 203811479U
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- 241000519996 Teucrium chamaedrys Species 0.000 description 2
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Abstract
The utility model relates to a portable mechanical property testing machine for a stretching and twisting composite material. According to the portable mechanical property testing machine, a pull force seat set is fixed with a tension sensor and a chuck, wherein the pull force seat set is fixed on a guide rail slide block and is matched with the chuck at the opposite side to work; power transmission mechanisms including a gear, a worm wheel and worm rod, a screw rod nut and the like are combined with motors to respectively realize functions of unidirectional stretching and unidirectional twisting. The two motors are respectively used for controlling two motions and relative data is acquired by the tension sensor, a torque sensor and an electronic ruler; the control of all the motions, data analysis and curve drawing are controlled by computer programs. The portable mechanical property testing machine can be placed on a teacher projector to carry out clear observation and is also suitable for teaching material object demonstration of many engineering lesson theory classes. The portable mechanical property testing machine is small in whole size, ingenious in appearance and strong in practicability.
Description
Technical field
The utility model relates to mechanical field, particularly a kind of portable composite materials property testing machine that draws, turns round.Be mainly used in the theoretical classroom of the industry science class courses such as < < mechanics of materials > >, < < mechanical principle > >, < < construction material > > aided education.
Background technology
At present, majority industry science class universities and colleges are for < < mechanics of materials > >, the mode that the teaching of the courses such as < < mechanical principle > > takes theoretical course and experimental courses separately to give lessons, therefore part student is for the experimentation of related experiment in material mechanics course, the knowledge of the aspects such as phenomenon is connected existing problems, simultaneously, in the theoretical classroom of < < mechanical principle > >, the typical gear train kind of drive specializes, the imagination of imagery is comparatively abstract for part student, difficulty, thereby will affect teachers' instruction efficiency and student for the Grasping level of rudimentary knowledge.But the most large-scale experiment equipment in experiment classroom cannot be transferred to theoretical classroom, easily cause student's knowwhy and concrete practice to observe the defect that is difficult for combination, affect to a certain extent absorption efficiency and the Grasping level of relevant knowledge.Existing quite most of midget plant can only reach " thing one use ", only has small part can reach " one-object-many-purposes ", and existing midget plant generally cannot meet sharpening, the visualize requirement of lyceum teaching.Urgently improve.
Summary of the invention
The purpose of this utility model is to provide a kind of portable composite materials property testing machine that draws, turns round, and has solved the problems referred to above that prior art exists.Not only can simulate stretching or the torsion test of < < mechanics of materials > >, meanwhile, speed change, the power transmission process of the mechanism such as the worm and gear of driving mechanism, feed screw nut, gear can be used for visual illustration and the observation in the theoretical classroom of < < mechanical principle > >.Before in above-mentioned material Experiments of Machanics, test specimen destroys, after metallurgical structure can for student in < < construction material > >, < < metal forming and thermal treatment > > observe in theoretical classroom under microscope, the utility model also can with computer, projector, the teaching aids such as microscope combine, it is clear to realize easily, moving intuitively, static observation, reach one-object-many-purposes, portable object.
Above-mentioned purpose of the present utility model is achieved through the following technical solutions:
Portablely draw, turn round composite materials property testing machine, comprise draw unit and twist cell, described draw unit and twist cell are separately fixed on base 30; Described draw unit is: the upper fixed motor a1 of motor base (frame) a2, and motor base (frame) a2 is fixedly connected with base plate 30; For exporting and reach the effect of transmission, commutation pulling force, motor a1 is sequentially connected with worm and gear a, b3,4, feed screw nut 5 and pulling force seat group; Wherein, worm and gear a, b3,4 fix by worm and gear seat group 31, and feed screw nut 5 is fixing by bearing and feed screw nut seat 6, and worm and gear seat group 31 is all fixed on base plate 30 with feed screw nut seat 6.
Described twist cell is: the offside of pulling force seat group is chuck group 22, and chuck group 22 is located by bearing seat 11 and bearing, and chuck group 22 rear portions and torque sensor 12 are connected by screw, and torque sensor 12 is connected with axle a14 by shaft coupling a13; Axle a14, axle b17, axle c19 are all connected by bearing with floor 28, and axle a14, axle b17, axle c19 are connected by key with gear a15, gear b16, gear c18 respectively; Axle c19, shaft coupling b20, motor base (frame) b29 and motor b21 are sequentially connected; Bearing seat 11, floor 28, motor base (frame) b29 are all fixed by screws on base plate 30, and torque sensor is fixing by extension spring and base plate 30.
Described pulling force seat group consists of the pulling force seat a8, pulling force sensor 25, the pulling force seat b24 that are sequentially connected and the chuck 23, track groups b9, the slide block group b27 that are fixed on pulling force seat b24, wherein, pulling force sensor 25 is connected with pulling force seat a8 by screw, and by self with thread head be connected with pulling force seat b24; For guaranteeing the stressed accuracy of pulling force sensor 25, pulling force seat b24 and slide block group b27, track groups b9 fix by screw, and the track groups b9 and the pulling force seat a8 that are fixed with slide block group b27 fix by screw; Whole pulling force seat group and slide block group a26, set of rails a7 fix by screw, and set of rails a7 and base plate 30 are fixing; Meanwhile, for measuring displacement data, the scalable head of electronic ruler 10 front ends is connected with pulling force seat a8, and electronic ruler 10 integral body are fixing by screw and base 30.
It is described that portable to draw, turn round composite materials property testing machine overall dimensions be 440 * 190 * 80mm.
Described portablely draw, turn round composite materials property testing machine fuselage material and adopt No. 45 steel.
The beneficial effects of the utility model are: overall dimensions is little, profile is exquisite, in energy-saving and emission-reduction, also solve large-scale experiment equipment and cannot transfer to the problem in theoretical classroom, will realize in the < < mechanics of materials > > function collection and the one that stretch, reverse two independent experiments.Testing machine also will be applicable to the theory and practice teaching of multiple mechanical engineering Basic Course Group in simulation < < mechanics of materials > > experiment.Meanwhile, testing machine and projector, microscopical combination also will realize respectively dynamic and static observation, realize the purpose of design of " one-object-many-purposes " on to greatest extent.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, forms the application's a part, and illustrative example of the present utility model and explanation thereof are used for explaining the utility model, do not form improper restriction of the present utility model.
Fig. 1 is integral shaft mapping of the present utility model;
Fig. 2 is whole vertical view of the present utility model;
Fig. 3 is whole rear view of the present utility model;
Fig. 4 is the axonometric drawing of first embodiment first of the present utility model;
Fig. 5 is the axonometric drawing of first embodiment second portion of the present utility model;
Fig. 6 is the axonometric drawing of pulling force seat a in second embodiment of the present utility model;
Fig. 7 is the axonometric drawing of pulling force sensor in second embodiment of the present utility model;
Fig. 8 is the axonometric drawing of pulling force seat b in second embodiment of the present utility model;
Fig. 9 is the axonometric drawing of chuck in second embodiment of the present utility model.
1. motor a in figure, 2. motor base (frame) a, 3. worm and gear a, 4. worm and gear b, 5. feed screw nut, 6. feed screw nut seat, 7. track groups a, 8. pulling force seat a, 9. track groups b, 10. electronic ruler, 11. bearing seats, 12. torque sensors, 13. shaft coupling a, 14. axle a, 15. gear a, 16. gear b, 17. axle b, 18. gear c, 19. axle c, 20. shaft coupling b, 21. motor b, 22. chuck groups, 23. chucks, 24. pulling force seat b, 25. pulling force sensors, 26. slide block group a, 27. slide block group b, 28. floors, 29. motor base (frame) b, 30. bases, 31. worm and gear seat groups.
Embodiment
Below in conjunction with accompanying drawing, further illustrate detailed content of the present utility model and embodiment thereof.
Referring to shown in Fig. 1 to Fig. 3, the portable composite materials property testing machine that draws, turns round of the present utility model, comprises draw unit and twist cell, and described draw unit and twist cell are separately fixed on base 30; Described draw unit is: the upper fixed motor a1 of motor base (frame) a2, and motor base (frame) a2 is fixedly connected with base plate 30; For exporting and reach the effect of transmission, commutation pulling force, motor a1 is sequentially connected with worm and gear a, b3,4, feed screw nut 5 and pulling force seat group; Wherein, worm and gear a, b3,4 fix by worm and gear seat group 31, and feed screw nut 5 is fixing by bearing and feed screw nut seat 6, and worm and gear seat group 31 is all fixed on base plate 30 with feed screw nut seat 6.
Referring to shown in Fig. 1 to Fig. 9, described twist cell is: the offside of pulling force seat group is chuck group 22, chuck group 22 is located by bearing seat 11 and bearing, and chuck group 22 rear portions and torque sensor 12 are connected by screw, and torque sensor 12 is connected with axle a14 by shaft coupling a13; Axle a14, axle b17, axle c19 are all connected by bearing with floor 28, and axle a14, axle b17, axle c19 are connected by key with gear a15, gear b16, gear c18 respectively; Axle c19, shaft coupling b20, motor base (frame) b29 and motor b21 are sequentially connected; Bearing seat 11, floor 28, motor base (frame) b29 are all fixed by screws on base plate 30, and torque sensor is fixing by extension spring and base plate 30.
Described pulling force seat group consists of the pulling force seat a8, pulling force sensor 25, the pulling force seat b24 that are sequentially connected and the chuck 23, track groups b9, the slide block group b27 that are fixed on pulling force seat b24, wherein, pulling force sensor 25 is connected with pulling force seat a8 by screw, and by self with thread head be connected with pulling force seat b24; For guaranteeing the stressed accuracy of pulling force sensor 25, pulling force seat b24 and slide block group b27, track groups b9 fix by screw, and the track groups b9 and the pulling force seat a8 that are fixed with slide block group b27 fix by screw; Whole pulling force seat group and slide block group a26, track groups a7 fix by screw, and track groups a7 and base plate 30 are fixing; Meanwhile, for measuring displacement data, the scalable head of electronic ruler 10 front ends is connected with pulling force seat a8, and electronic ruler 10 integral body are fixing by screw and base 30.
For this testing machine being placed under projector, realize portable feature, the overall dimensions of testing machine is designed to 440 * 190 * 80mm, fuselage material adopts No. 45 steel.For realizing two separate experiments of stretching and torsion, adopt two motor to control respectively, the control of all motions, data analysis and Drawing of Curve are controlled by computer program.
The realization of extensional motion is to adopt computer starting motor a1, by Worm Wheel System, drive ball-screw to rotate, and then drive feed screw nut 5 to move along test specimen axis outward direction, give test specimen with along the outside pulling force of axis until test specimen be pulled off, computer control motor stops operating, and motion stops.In process, be separately fixed in the middle of the pulling force seat group of this motion, pulling force sensor 25 and the electronic ruler 10 of side import collection related data into computing machine analysis, drawing image.
The realization of twisting motion is to adopt computer starting motor b21, by Worm Wheel System, combine with gear drive and drive chuck group 22 to rotate, to side draw seat group (the pulling force seat b24 in chuck 23 and pulling force seat group is integrated after being screwed) transfixion, make test specimen one end receive moment of torsion until test specimen is twisted off, computer control motor stops operating, and motion stops.In process, the torque sensor 12 being connected with chuck group 22 imports collection related data into computing machine analysis.Meanwhile, the scrambler matching with the servomotor of controlling twisting motion will record motor revolution, through computing, will obtain test specimen revolution and the angle turning over.
In first embodiment shown in Fig. 4, because sample dimensions is less, loosening at experimentation middle part for guaranteeing test specimen, therefore adopt two pieces of screws that two parts are connected and compress in V-type groove will be fixing test specimen.After having assembled, just form chuck group 22, in one-piece construction, chuck group 22 rear sides are connected with torque sensor 12, make the measured data of torque sensor 12 more accurate.The present embodiment is in order to simplify the chuck structure in large complicated testing machine, structure is simplified, is optimized meeting under the precondition of principle, when reaching the object of clamping test specimen, realizes the features such as miniaturization, portability of testing machine integral body.
In second embodiment shown in Fig. 3, Fig. 5, due to needs, meet the requirements such as motion, clamping, pulling force sensor assembling, employing is fixed on pulling force seat a8 the slide block group a26 top fixing with base 30, pulling force seat b24 on it is attached thereto by pulling force sensor 25 and slide block group b27, experiences the assembly and use requirements of pulling force to meet pulling force sensor 25.For making mechanism simplifying, stressed clear and definite, on pulling force seat b24, open V-type groove, the V-type groove in the chuck group 22 of the axis of groove and offside is mutually concordant, and then the employing design concept the same with chuck group 22, has assembled the pulling force seat group that is fixed with chuck group.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All any modifications that the utility model is done, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (5)
1. portablely draw, turn round a composite materials property testing machine, it is characterized in that: comprise draw unit and twist cell, described draw unit and twist cell are separately fixed on base (30); Described draw unit is: motor base (frame) a(2) upper fixed motor a(1), motor base (frame) a (2) is fixedly connected with base plate (30); Motor a(1) with worm and gear a, b(3,4), feed screw nut (5) and pulling force seat group be sequentially connected; Wherein, worm and gear a, b(3,4) fixing by worm and gear seat group (31), feed screw nut (5) is fixing by bearing and feed screw nut seat (6), and worm and gear seat group (31) is all fixed on base plate (30) with feed screw nut seat (6).
2. the portable composite materials property testing machine that draws, turns round according to claim 1, it is characterized in that: described twist cell is: the offside of pulling force seat group is chuck group (22), chuck group (22) is by bearing seat (11) and bearing location, chuck group (22) rear portion and torque sensor (12) are connected by screw, and torque sensor (12) is by shaft coupling a(13) with axle a(14) be connected; Axle a(14), axle b(17), axle c(19) be all connected by bearing with floor (28), axle a(14), axle b(17), axle c(19) respectively with gear a(15), gear b(16), gear c(18) by key, be connected; Axle c(19), shaft coupling b(20), motor base (frame) b(29) with motor b(21) be sequentially connected; Bearing seat (11), floor (28), motor base (frame) b(29) be all fixed by screws in base plate (30) above, torque sensor is fixing by extension spring and base plate (30).
3. the portable composite materials property testing machine that draws, turns round according to claim 1, it is characterized in that: described pulling force seat group is by the pulling force seat a(8 being sequentially connected), pulling force sensor (25), pulling force seat b(24) and be fixed on pulling force seat b(24) on chuck (23), track groups b(9), slide block group b(27) form, wherein, pulling force sensor (25) is by screw and pulling force seat a(8) be connected, and by self with thread head and pulling force seat b(24) be connected; Pulling force seat b(24) with slide block group b(27), set of rails 2(9) by screw, fix, be fixed with slide block group b(27) track groups b(9) with pulling force seat a(8) by screw, fix; Whole pulling force seat group and slide block group a(26), track groups a(7) by screw, fix track groups a(7) fixing with base plate (30); Scalable head and the pulling force seat a(8 of electronic ruler (10) front end) be connected, electronic ruler (10) is whole fixing by screw and base (30).
4. the portable composite materials property testing machine that draws, turns round according to claim 1, is characterized in that: described portable to draw, turn round composite materials property testing machine overall dimensions be 440 * 190 * 80mm.
5. the portable composite materials property testing machine that draws, turns round according to claim 1, is characterized in that: described portablely draw, turn round composite materials property testing machine fuselage material and adopt No. 45 steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420169730.XU CN203811479U (en) | 2014-04-10 | 2014-04-10 | Portable mechanical property testing machine for stretching and twisting composite material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420169730.XU CN203811479U (en) | 2014-04-10 | 2014-04-10 | Portable mechanical property testing machine for stretching and twisting composite material |
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| Publication Number | Publication Date |
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| CN203811479U true CN203811479U (en) | 2014-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420169730.XU Expired - Lifetime CN203811479U (en) | 2014-04-10 | 2014-04-10 | Portable mechanical property testing machine for stretching and twisting composite material |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103913386A (en) * | 2014-04-10 | 2014-07-09 | 吉林大学 | Portable tensioning/twisting composite material mechanical property testing machine |
| CN105486594A (en) * | 2015-12-08 | 2016-04-13 | 王友善 | Rubber material tension-torsional fatigue combined testing machine |
| CN106053235A (en) * | 2016-07-25 | 2016-10-26 | 中国矿业大学(北京) | Nanoscale compressing, shearing and twisting device and method for small-angle scattering study of coal and rock materials |
| CN108398323A (en) * | 2018-02-06 | 2018-08-14 | 山西省交通科学研究院 | A kind of asphalt binder adhesive aggregation performance testing device |
-
2014
- 2014-04-10 CN CN201420169730.XU patent/CN203811479U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103913386A (en) * | 2014-04-10 | 2014-07-09 | 吉林大学 | Portable tensioning/twisting composite material mechanical property testing machine |
| CN105486594A (en) * | 2015-12-08 | 2016-04-13 | 王友善 | Rubber material tension-torsional fatigue combined testing machine |
| CN106053235A (en) * | 2016-07-25 | 2016-10-26 | 中国矿业大学(北京) | Nanoscale compressing, shearing and twisting device and method for small-angle scattering study of coal and rock materials |
| CN108398323A (en) * | 2018-02-06 | 2018-08-14 | 山西省交通科学研究院 | A kind of asphalt binder adhesive aggregation performance testing device |
| CN108398323B (en) * | 2018-02-06 | 2021-07-06 | 山西省交通科学研究院 | Asphalt binder cohesiveness performance testing device |
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