CN102401764B - Model loading device - Google Patents
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- CN102401764B CN102401764B CN 201110365872 CN201110365872A CN102401764B CN 102401764 B CN102401764 B CN 102401764B CN 201110365872 CN201110365872 CN 201110365872 CN 201110365872 A CN201110365872 A CN 201110365872A CN 102401764 B CN102401764 B CN 102401764B
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Abstract
The invention provides a load loading device which comprises an installing frame (10), a load applying device (20) and an element positioning device (30), wherein the load applying device (2) comprises a positioning rod installing plate (21), a positioning rod (22), a torsion disk (23), a test element (24) rotatably connected to the second end of the positioning rod (22), a first load generating mechanism (25) connected to the torsion disk (23) and used for applying a pull force to the torsion disk (23), and a second load generating mechanism (26) connected to the torsion disk (23) and used for applying a pull force to the torsion disk (23), wherein the pull force applied to the torsion disk by the second load generating mechanism and the pull force applied to the torsion disk by the first load generating mechanism (25) form a couple or an equidirectional action force. According to the model loading device provided by the invention, the advantages of small occupation space, simple structure, convenience for use, lower cost and capability of realizing loading of multiple kinds of loads through the same device are obtained.
Description
Technical field
The present invention relates to mechanical analysis and test the field, especially, relate to a kind of model loading device.
Background technology
In the photoelastic stress freezing test, traditional model loading device is divided into general and special-purpose two kinds.What general charger was the most frequently used is counterweight-lever, can do the tests such as simple extension, compression and bending to model, be used for the main character of measurement model material, but general charger is difficult to complete the multichannel loading tasks of complex model.Special-purpose charger is that concrete shape, size and the stand under load situation thereof according to model is custom-designed, therefore has higher specificity, and usable range is under many restrictions.Three-dimensional photoelasticity stress freezing test needs the charger of design, processing model separately, both taken fund of scientific research, be unfavorable for again improving test efficiency, and the complex structure of the charger of stress freezing, need a plurality of devices to realize corresponding test, take larger constant temperature oven space and test efficiency in test low.
Summary of the invention
The object of the invention be to provide a kind of take up room little, simple in structure, easy to use, cost is lower, can realize the allpurpose model charger that multiple load loads by same device.
For achieving the above object, according to an aspect of the present invention, provide a kind of model loading device, having comprised: installation frame comprises the cross-brace beam and the longitudinal bracing beam that are fixedly connected with; The load applying device is arranged on installation frame; Component placement device is arranged on installation frame, and the assignment test element; The load applying device comprises: backstay installing plate, backstay, reverse plate and load generate mechanism; The backstay installing plate is arranged on the cross-brace beam at installation frame top; Backstay, first end are arranged on the backstay installing plate, and backstay in axial direction can move up and down; Reverse plate be rotatably connected to the second end of backstay, and transmitted load is to testing element; The first load generates mechanism, is connected to reverse plate, and reverse plate is applied pulling force; The second load generates mechanism, is connected to reverse plate, and reverse plate is applied pulling force, and generates with the first load that pulling force that mechanism applies forms couple or to generate the direction of the pulling force that mechanism applies identical with the first load; Wherein, the first load generates mechanism and comprises the first fixed pulley and winding the first lifting rope on the first fixed pulley, and the first end of the first lifting rope is provided with the first mass, and the second end of the first lifting rope is connected to reverse plate; The second load generates mechanism and comprises the second fixed pulley and winding the second lifting rope on the second fixed pulley, and the first end of the second lifting rope is provided with the second mass, and the second end of the second lifting rope is connected to reverse plate.
Further, the first load generates mechanism and is connected to reverse plate one side; The second load generates the opposite side that mechanism is connected to reverse plate; The first load generation mechanism and the second load generate mechanism and are symmetrical arranged around the central axis of reverse plate, and testing element is applied the test moment of torsion.
Further, the first load generates mechanism and is connected to reverse plate one side; The second load generates the opposite side that mechanism is connected to reverse plate; The first load generates on the installation frame of the same side that mechanism and the second load generation mechanism be positioned at reverse plate, and testing element is applied the test moment of flexure.
Further, the first load generates mechanism and also comprises the first fixed pulley mounting rail, and the first fixed pulley mounting rail is fixedly installed on installation frame, and the first fixed pulley is fixedly installed on the first fixed pulley mounting rail; The second load generates mechanism and also comprises the second fixed pulley mounting rail, and the second fixed pulley mounting rail is fixedly installed on installation frame, and the second fixed pulley is fixedly installed on the second fixed pulley mounting rail.
Further, the first load generates mechanism and also comprises the first joint pin, and the first joint pin is located on reverse plate along the axial direction of reverse plate; The second load generates mechanism and also comprises the second joint pin, and the second joint pin is located on reverse plate along the axial direction of reverse plate; The second end of the first lifting rope includes the first joint of the first end that is connected to the first joint pin, and is connected to the second joint of the second end of the first joint pin; The second end of the second lifting rope includes the 3rd joint of the first end that is connected to the second joint pin, and is connected to the 4th joint of the second end of the second joint pin.
Further, comprise a plurality of mounting holes that connect vertically reverse plate on reverse plate, the first joint pin and the second joint pin selectively be arranged on any two along in the mounting hole of the axle center symmetry of reverse plate.
Further, the first fixed pulley mounting rail and the second fixed pulley mounting rail longitudinally the lengthwise location of brace summer be adjustable.
Further, be provided with a plurality of mounting holes on cross-brace beam and longitudinal bracing beam.
Further, component placement device comprises the positioning support fagging and is arranged on keeper on the positioning support fagging, and keeper is adjustable along the lengthwise location of positioning support fagging, and testing element 24 is fixedly installed on keeper 32.
The present invention has following beneficial effect:
1. model loading device comprises the load applying device, the load applying device comprises that load generates mechanism and reverse plate, the reverse plate transmitted load is to testing element, and load generates mechanism to be had reverse plate is applied the first duty of moment of torsion and reverse plate applied the second duty of moment of flexure.This device generates mechanism by a cover load can realize that moment of torsion loads and moment of flexure loads, and the load that need not to provide extra generates mechanism, therefore can effectively save fund, reduces costs.It is efficient and convenient that this device switches the load applying state, and backstay can move up and down, and can be applicable to moment of torsion and the moment of flexure test of multiple testing element, easy to use, simple to operate, effectively increases work efficiency.
2. the first load generates mechanism and the second load and generates mechanism and be symmetrical arranged around the axis rotating shaft of reverse plate, and forms couple, can provide stable and pure torsional interaction power for charger, and test more accurately and reliably.
3. the interpolation of the load of this model loading device realizes by mass, can control the interpolation of load, obtains required test mode, and can carry out simultaneously measurement data in experiment and demarcate, and achieves many things at one stroke.
Except purpose described above, feature and advantage, the present invention also has other purpose, feature and advantage.The below is with reference to figure, and the present invention is further detailed explanation.
Description of drawings
The accompanying drawing that consists of the application's a part is used to provide a further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of improper restriction of the present invention.In the accompanying drawings:
Fig. 1 is the perspective view according to the model loading device of the first embodiment of the present invention; And
Fig. 2 is the perspective view of model loading device according to a second embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are elaborated, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
As shown in Figure 1, according to the first embodiment of the present invention, model loading device comprises installation frame 10, load applying device 20 and component placement device 30.Wherein, load applying device 20 and component placement device 30 are arranged on installation frame 10.Installation frame 10 comprises and is fixedly connected on cross-brace beam 11 and longitudinal bracing beam 12.On cross-brace beam 11 and longitudinal bracing beam 12, a plurality of mounting holes can be set, in order to the installation site of load applying device 20 and component placement device 30 is adjusted, the shape of itself and testing element 24 be adapted, to satisfy the installation requirement of testing element 24.
The load applying device comprises that backstay installing plate 21, backstay 22, reverse plate 23, the first load generate mechanism 25 and the second load generates mechanism 26.Wherein backstay installing plate 21 is arranged on the cross-brace beam 11 at installation frame 10 tops, the first end of backstay 22 is arranged on backstay installing plate 21, reverse plate 23 is arranged on the second end of backstay 22, the first load generation mechanism 25 and the second load generate mechanism 26 and are connected on reverse plate 23, and respectively reverse plate 23 are applied pulling force.Testing element 24 is arranged between reverse plate 23 and component placement device 30, the first load generates mechanism 25 and the second load generates mechanism 26 by the adjustment of position, can form respectively couple or acting force in the same way to the pulling force of reverse plate 23, and have reverse plate 23 is applied the first duty of moment of torsion and reverse plate 23 applied the second duty of moment of flexure.
The two ends of backstay installing plate 21 are separately positioned on two cross-brace beams 11 that are oppositely arranged at installation frame 10 tops, and the end is provided with elongated slot, and backstay installing plate 21 can be adjusted in installation process along its length.After adjustment was completed, erection bolt was fixedly installed on backstay installing plate 21 on cross-brace beam 11.The centre position of backstay installing plate 21 vertically is provided with pilot hole, and backstay 22 passes this pilot hole, and can move up and down along pilot hole.
The first end of backstay 22 coordinates with backstay installing plate 21, and nut is set on it, it can not be moved downward and guarantee that the gravity of backstay 22 and reverse plate 23 is not applied to testing element 24.When the first load generated mechanism 25 and the second load and generates mechanism 26 and carry out the loading action of moment of flexure, backstay 22 can freely rotate smaller angle around the node of first end and installing plate 21, and assurance does not have extra acting force to be applied to testing element 24.The second end of backstay 22 is fixedly connected with reverse plate 23, and its connected mode can for being threaded, also can be welding.End at the first end of backstay 22 is provided with operation planar, is convenient to turn backstay 22, to guarantee the annexation of itself and reverse plate 23 etc.
The first load generation mechanism 25 and the second load generate mechanism 26 and are symmetrical arranged around the central axis of reverse plate 23, and form couple.The first load generates mechanism 25 and is connected to a side of reverse plate 23, and reverse plate 23 is applied moment of torsion; The second load generates the opposite side that mechanism 26 is connected to reverse plate 23, and reverse plate 23 is applied with the first load generates the identical moment of torsion of torque, the direction of mechanism 25.It can be the telescopic oil cylinder that arranges in pairs, perhaps other rotation control mechanism that the first load generation mechanism 25 and the second load generate mechanism 26.
In the present embodiment, the first load generates mechanism 25 and comprises the first fixed pulley mounting rail 254, is fixedly installed on the first fixed pulley 251 and first lifting rope 252 of winding on the first fixed pulley 251 on the first fixed pulley mounting rail 254.The first fixed pulley mounting rail 254 is horizontally installed between two of the installation frame 10 of reverse plate 23 1 sides adjacent longitudinal bracing beams 12, and is fixed by bolt.The the first fixed pulley mounting rail 254 longitudinally lengthwise location of brace summer 12 is adjustable, can be applicable to the test of the testing element 24 of differing heights diverse location.The two ends of the first fixed pulley mounting rail 254 are provided with long slot bore, and erection bolt is removable in long slot bore, can make the first fixed pulley mounting rail 254 carry out the position adjustment along horizontal direction.
The first fixed pulley 251 is arranged on the outside of the first fixed pulley mounting rail 254 rotationally.Between the first fixed pulley 251 and the first fixed pulley mounting rail 254, the first fixed pulley mount pad 255 can also be set, the first fixed pulley mount pad 255 is bolted and is arranged on the first fixed pulley mounting rail 254, and the first fixed pulley 251 is fixedly installed on the first fixed pulley mount pad 255.Be provided with along its length a plurality of mounting holes on the first fixed pulley mounting rail 254, the first fixed pulley mount pad 255 can be in the enterprising line position adjustment of the length direction of the first fixed pulley mounting rail 254.The existence of the first fixed pulley mount pad 255 makes to divide between the first fixed pulley 251 and the first fixed pulley mounting rail 254 to be arranged, and more is convenient to location, installation, replacing and the maintenance of the first fixed pulley 251, and need not to remove the first fixed pulley mounting rail 254.
The first end of the first lifting rope 252 extends to outside installation frame 10 by the first fixed pulley 251, and the end is provided with the first mass 253.The first mass 253 is convenient in test process, test data be demarcated for having the mass of clear and definite quality demarcation.The second end of the first lifting rope 252 is connected to reverse plate 23.In the present embodiment, be provided with the first joint pin 256, the first joint pins 256 in one of them mounting hole of reverse plate 23 and in axial direction be located on reverse plate 23, and the termination, two ends exceeds the card of reverse plate 23.The second end of the first lifting rope 252 is herringbone jag structure, includes the first joint 257 of the first end that is connected to the first joint pin 256, and is connected to the second joint 258 of the second end of the first joint pin 256.Herringbone jag structure can not interfere with reverse plate 23 the second end of the first lifting rope 252, and the first load generates mechanism 25 can provide purer twisting resistance for reverse plate 23, guarantees the accuracy of measuring.
The second load generates mechanism 26 and comprises the second fixed pulley mounting rail 264, is fixedly installed on the second fixed pulley 261 and second lifting rope 262 of winding on the second fixed pulley 261 on the second fixed pulley mounting rail 264.The second fixed pulley mounting rail 264 is horizontally installed between two adjacent longitudinal bracing beams 12 of the installation frame 10 of the opposite side of the second fixed pulley mounting rail 264 positions, and is fixed by bolt.The the second fixed pulley mounting rail 264 longitudinally lengthwise location of brace summer 12 is adjustable, can be applicable to the test of the testing element 24 of differing heights diverse location.The two ends of the second fixed pulley mounting rail 264 are provided with long slot bore, and erection bolt is removable in long slot bore, can make the second fixed pulley mounting rail 264 carry out the position adjustment along horizontal direction.
The second fixed pulley 261 is arranged on the outside of the second fixed pulley mounting rail 264 rotationally.Between the second fixed pulley 261 and the second fixed pulley mounting rail 264, the second fixed pulley mount pad 266 can also be set, the second fixed pulley mount pad 266 is bolted and is arranged on the second fixed pulley mounting rail 264, and the second fixed pulley 261 is fixedly installed on the second fixed pulley mount pad 266.Be provided with along its length a plurality of mounting holes on the second fixed pulley mounting rail 264, the second fixed pulley mount pad 266 can be in the enterprising line position adjustment of the length direction of the second fixed pulley mounting rail 264.The existence of the second fixed pulley mount pad 266 makes to divide between the second fixed pulley 261 and the second fixed pulley mounting rail 264 to be arranged, and more is convenient to location, installation, replacing and the maintenance of the second fixed pulley 261, and need not to remove the second fixed pulley mounting rail 264.
The first end of the second lifting rope 262 extends to outside installation frame 10 by the second fixed pulley 261, and the end is provided with the second mass 263.The second mass 263 is convenient in test process, test data be demarcated for having the mass of clear and definite quality demarcation.The second end of the second lifting rope 262 is connected to reverse plate 23.In the present embodiment, be provided with the second joint pin 266, the second joint pins 266 in wherein two mounting holes of reverse plate 23 and in axial direction be located on reverse plate 23, and the termination, two ends exceeds the card of reverse plate 23.The second end of the second lifting rope 262 is herringbone jag structure, includes the 3rd joint 267 of the first end that is connected to the second joint pin 266, and is connected to the 4th joint 268 of the second end of the second joint pin 266.Herringbone jag structure can not interfere with reverse plate 23 the second end of the second lifting rope 262, and the second load generates mechanism 26 can provide purer twisting resistance for reverse plate 23, guarantees the accuracy of measuring.
The first load generation mechanism 25 and the second load generate between mechanism 26 and form couple, and be connected to by the herringbone jag structure of lifting rope the first joint pin 256 and the second joint pin 266 that is arranged on reverse plate 23, make the suffered pulling force of reverse plate 23 balance more, can produce stable twisting action power, obtain experiment effect more accurately.
The first load generates mechanism 25 and the second load and generates mechanism 26 and also can realize reverse plate 23 is applied couple or the function of acting force in the same way by piston apparatus or other tension application device.
In conjunction with referring to Fig. 2, model loading device according to a second embodiment of the present invention, difference in itself and the first embodiment is, the first load generates on the installation frame 10 of the same side that mechanism 25 and the second load generation mechanism 26 be arranged on reverse plate, and share same fixed pulley mounting rail, i.e. the first fixed pulley mounting rail 254.The first load generation mechanism 25 and the second load generate mechanism 26 and are arranged on the installation frame 10 of the same side, link position on reverse plate 23 lays respectively at the both sides of the spindle central of reverse plate 23, and symmetrically, so that for reverse plate provides equal and opposite in direction, pulling force effect that direction is identical, make reverse plate 23 that the pulling force that is subject to is passed to testing element 24, make testing element 24 be subject to moment of flexure, thereby testing element 24 is carried out the test of moment of flexure.
Can learn from above-described embodiment, according to model loading device of the present invention, comprise the load applying device, the load applying device comprises that load generates mechanism and reverse plate, the reverse plate transmitted load is to testing element, and load generates mechanism to be had reverse plate is applied the first duty of moment of torsion and reverse plate applied the second duty of moment of flexure.This device generates mechanism by a cover load can realize that moment of torsion loads and moment of flexure loads, and the load that need not to provide extra generates mechanism, therefore can effectively save fund, reduces costs.It is efficient and convenient that this device switches the load applying state, and backstay can move up and down, and can be applicable to moment of torsion and the moment of flexure test of multiple testing element, easy to use, simple to operate, effectively increases work efficiency.The first load generation mechanism and the second load generate mechanism and are symmetrical arranged around the axis rotating shaft of reverse plate, and form couple, can provide stable and pure torsional interaction power for charger, and test more accurately and reliably.The load interpolation of this model loading device realizes by mass, can control the interpolation of load, obtains required test mode, and can carry out simultaneously measurement data in experiment and demarcate, and achieves many things at one stroke.
The above is only the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (9)
1. a model loading device, is characterized in that, comprising:
Installation frame (10) comprises the cross-brace beam (11) and the longitudinal bracing beam (12) that are fixedly connected with;
Load applying device (20) is arranged on described installation frame (10);
Component placement device (30) is arranged on described installation frame (10), and assignment test element (24);
Described load applying device (20) comprising: backstay installing plate (21), backstay (22), reverse plate (23), the first load generate mechanism (25) and the second load generates mechanism (26);
Described backstay installing plate (21) is arranged on the described cross-brace beam (11) at described installation frame (10) top;
The first end of described backstay (22) is arranged on described backstay installing plate (21), and described backstay (22) in axial direction can move up and down;
Described reverse plate (23) is rotatably connected to the second end of described backstay (22), and transmitted load is to described testing element (24);
Described the first load generates mechanism (25), is connected to described reverse plate (23), and described reverse plate (23) is applied pulling force;
Described the second load generates mechanism (26), be connected to described reverse plate (23), described reverse plate (23) is applied pulling force, and generate with described the first load that pulling force that mechanism (25) applies forms couple or to generate the direction of the pulling force that mechanism (25) applies identical with described the first load;
Described the first load generates mechanism (25) and comprises the first fixed pulley (251) and winding the first lifting rope (252) on described the first fixed pulley (251), the first end of described the first lifting rope (252) is provided with the first mass (253), and the second end of described the first lifting rope (252) is connected to described reverse plate (23);
Described the second load generates mechanism (26) and comprises the second fixed pulley (261) and winding the second lifting rope (262) on described the second fixed pulley (261), the first end of described the second lifting rope (262) is provided with the second mass (263), and the second end of described the second lifting rope (262) is connected to described reverse plate (23).
2. model loading device according to claim 1, it is characterized in that, described the first load generates mechanism (25) and is connected to described reverse plate (23) one sides, described the second load generates the opposite side that mechanism (26) is connected to described reverse plate (23), described the first load generates mechanism (25) and is symmetrical arranged around the central axis of described reverse plate (23) with described the second load generation mechanism (26), and described testing element (24) is applied the test moment of torsion.
3. model loading device according to claim 1, it is characterized in that, described the first load generates mechanism (25) and is connected to described reverse plate (23) one sides, described the second load generates the opposite side that mechanism (26) is connected to described reverse plate (23), described the first load generates mechanism (25) and described the second load and generates on the described installation frame (10) of the same side that mechanism (26) is positioned at described reverse plate (23), and described testing element (24) is applied the test moment of flexure.
4. according to claim 2 or 3 described model loading devices, is characterized in that,
Described the first load generates mechanism (25) and also comprises the first fixed pulley mounting rail (254), described the first fixed pulley mounting rail (254) is fixedly installed on described installation frame (10), and described the first fixed pulley (251) is fixedly installed on described the first fixed pulley mounting rail (254);
Described the second load generates mechanism (26) and also comprises the second fixed pulley mounting rail (264), described the second fixed pulley mounting rail (264) is fixedly installed on described installation frame (10), and described the second fixed pulley (261) is fixedly installed on described the second fixed pulley mounting rail (264).
5. model loading device according to claim 4, is characterized in that,
Described the first load generates mechanism (25) and also comprises the first joint pin (256), and described the first joint pin (256) is located on described reverse plate (23) along the axial direction of described reverse plate (23);
Described the second load generates mechanism (26) and also comprises the second joint pin (266), and described the second joint pin (266) is located on described reverse plate (23) along the axial direction of described reverse plate (23);
The second end of described the first lifting rope (252) includes first joint (257) of the first end that is connected to described the first joint pin (256) and is connected to second joint (258) of the second end of described the first joint pin (256);
The second end of described the second lifting rope (262) includes the 3rd joint (267) of the first end that is connected to described the second joint pin (266) and is connected to the 4th joint (268) of the second end of described the second joint pin (266).
6. model loading device according to claim 5, it is characterized in that, comprise a plurality of mounting holes that connect vertically described reverse plate (23) on described reverse plate (23), described the first joint pin (256) and described the second joint pin (266) selectively be arranged on any two along in the described mounting hole of the axle center symmetry of described reverse plate (23).
7. model loading device according to claim 4, is characterized in that, described the first fixed pulley mounting rail (254) and described the second fixed pulley mounting rail (264) are adjustable along the position of the length direction of described longitudinal bracing beam (12).
8. model loading device according to claim 1, is characterized in that, is provided with a plurality of mounting holes on described cross-brace beam (11) and described longitudinal bracing beam (12).
9. model loading device according to claim 1, it is characterized in that, described component placement device (30) comprises positioning support fagging (31) and is arranged on keeper (32) on described positioning support fagging (31), described keeper (32) is adjustable along the position of the length direction of described positioning support fagging (31), and described testing element (24) is fixedly installed on described keeper (32).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110365872 CN102401764B (en) | 2011-11-17 | 2011-11-17 | Model loading device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110365872 CN102401764B (en) | 2011-11-17 | 2011-11-17 | Model loading device |
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| CN102401764A CN102401764A (en) | 2012-04-04 |
| CN102401764B true CN102401764B (en) | 2013-06-05 |
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| CN 201110365872 Active CN102401764B (en) | 2011-11-17 | 2011-11-17 | Model loading device |
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| CN116086673B (en) * | 2023-04-11 | 2023-06-09 | 河北林桐机械制造有限公司 | Thrust rod thrust testing device |
| CN116465760B (en) * | 2023-04-21 | 2024-01-26 | 湖南科技大学 | Beam member torsion test device and torsion test method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS59641A (en) * | 1982-06-28 | 1984-01-05 | Sumitomo Rubber Ind Ltd | Deflection and torsion tester for rod material |
| CN2042955U (en) * | 1988-07-09 | 1989-08-16 | 浙江大学 | Experimental facility with photoelastic method for studying cutting machanism |
| JP3245893B2 (en) * | 1991-07-04 | 2002-01-15 | 住友電気工業株式会社 | Fine grain tungsten alloy and method for producing the same |
| US5447072A (en) * | 1994-07-27 | 1995-09-05 | International Business Machines Corporation | Torsional tester for circuit cards |
| CN201464302U (en) * | 2009-08-05 | 2010-05-12 | 哈尔滨学院 | Torsion experiment device |
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