CN104655484A - Clamp for electrified stretching - Google Patents
Clamp for electrified stretching Download PDFInfo
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- CN104655484A CN104655484A CN201510054694.1A CN201510054694A CN104655484A CN 104655484 A CN104655484 A CN 104655484A CN 201510054694 A CN201510054694 A CN 201510054694A CN 104655484 A CN104655484 A CN 104655484A
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Abstract
The invention discloses a clamp for electrified stretching, belonging to the field of stretching testing. The clamp comprises a clamp handle, a clamp body, a releasing device, two clamping blocks, two insulation partition plates, an insulated limiting part, an insulated baffle plate, a spring and an insulated pre-tightening block, wherein the clamp body comprises a bottom and two side arms arranged at two ends of the bottom, an opening is formed between the bottom and the two side arms, one end of the clamp handle is connected with a stretching testing machine, the other end of the clamp handle is connected with the bottom, and the side arm and the clamp handle extend from the bottom in opposite directions; when the clamp works, the electric insulation component cannot be stretched, thus, the clamp has high tensile strength and cannot be damaged easily in use; the force application range of the electrified stretching testing is expanded; the clamping block can be replaced due to the detachable insulation stop block, the clamp can be suitable for test specimens in different types and the using range of the clamp is expanded.
Description
Technical field
The present invention relates to tension test field, particularly a kind of for the fixture stretched that is energized.
Background technology
Metal is in plastic history, and under the stimulation of impressed current, plasticity improves, and the phenomenon that resistance of deformation declines is called electro plastic effect.For the electro plastic effect of analysis of metallic materials, need to carry out energising tension test to metal material.When doing energising tension test to metal material, need two sleeve clamps are installed on cupping machine, sample (metal material) is folded between two sleeve clamps, completes energising tension test.For ensureing the safety of equipment and the reliable of process of the test, when doing energising tension test, cupping machine and sample electrical isolation must be ensured.In order to meet above-mentioned condition, existing fixture is made up of electrically insulating material usually.
Realizing in process of the present invention, inventor finds that prior art at least exists following problem:
Existing fixture is made up of electrically insulating material, and tensile strength is very low, is easily destroyed time excessive by pulling force, causes to apply excessive tensile force to sample during energising tension test, limits the size of sample; In addition, fixture of the prior art can only be applicable to a kind of sample of solid shape usually, and as plate sample or column type sample, versatility is not high.
Summary of the invention
In order to solve the problem of prior art, embodiments provide a kind of for the fixture stretched that is energized.Described technical scheme is as follows:
Embodiments provide a kind of for the fixture stretched that is energized, described fixture comprises: chuck arbor, clamp body, releasing means, two clamps, two pieces of insulating barriers, insulation locating part, insulation barrier, spring and insulation pretension block;
Described clamp body comprises bottom and is located at the two side arms at two ends, described bottom, and form an opening between described bottom and described two side arms, one end of described chuck arbor is connected with described bottom, and described side arm and described chuck arbor extend in the opposite direction from described bottom;
Described opening comprises the base limited by described bottom and the sidewall limited by described side arm, and the width of described opening reduces from inside to outside gradually, and described two pieces of insulating barriers are separately fixed on the two side of described opening;
Described two clamps, described insulation pretension block and described spring are all located in described opening, described two clamps are movably connected on one end of described insulation pretension block and are positioned at described insulation pretension block both sides, and the other end of described insulation pretension block connects the bottom of described clamp body by described spring;
Described clamp comprises clamping surface and the slipping plane of the contrary both sides being arranged on described clamp, and the described clamping surface of described two clamps matches, the described slipping plane of described two clamps contacts with described two pieces of insulating barriers respectively and can slide along described insulating barrier, and a described clamp in described two clamps is provided with the power connecting column for connecing electricity;
Described clamp body has the first side and second side contrary with described first side, described insulation barrier is fixed on described first side of described clamp body, described insulation barrier is provided with two gathering sills, the direction of described two gathering sills is parallel with the direction of two sidewalls of described opening respectively, described two clamps are respectively equipped with guide finger, described guide finger is slidably disposed in described gathering sill, described insulation locating part is removably fixed on described second side of described clamp body, and described two clamps are folded between described insulation locating part and described insulation barrier respectively,
Described releasing means comprises handle, steering axle, hook rotating shaft and hook, the middle part of described handle and an end of described handle are located in described steering axle and described hook rotating shaft respectively, described handle is rotatably connected on described first side or described second side of described clamp body by described steering axle, described hook and described handle are rotatably connected by described hook rotating shaft, and described hook is connected with described insulation pretension block.
In a kind of implementation of the embodiment of the present invention, the angle in the direction of the sidewall of described opening and the direction of described chuck arbor is 8-15 °.
In the another kind of implementation of the embodiment of the present invention, the clamping surface of described clamp is plane or V-type face, and is provided with dentate groove on described clamping surface.
In the another kind of implementation of the embodiment of the present invention, described insulation pretension block comprises three pieces of web joints be arranged in parallel and connects the coupling shaft of described three pieces of web joints, one piece of described web joint of one end of described insulation pretension block is connected with described spring, described clamp comprises main body and fixing connecting portion on the body, described clamping surface and described slipping plane are located on the two sides of described main body respectively, described connecting portion is connected with an end face of described main body, and and be provided with a transverse opening between described main body, one piece of described web joint of the other end of described insulation pretension block is connected in described transverse opening, described connecting portion also offers the axially open mated with described coupling shaft.
In the another kind of implementation of the embodiment of the present invention, described hook comprises the first hook and the second hook, described first hook and described second hook connecting are connected on same web joint, and described first hook and described second hook lay respectively at the both sides of described coupling shaft.
In the another kind of implementation of the embodiment of the present invention, described insulation barrier is arranged on described clamp body by set bolt.
In the another kind of implementation of the embodiment of the present invention, described insulation locating part comprise be separately positioned on described clamp body two side arms on two insulating spacers, described insulating spacer is rotatably mounted on described clamp body.
In the another kind of implementation of the embodiment of the present invention, the sidewall of described opening is provided with boss, and one end of described insulating barrier is connected with described boss, and the thickness of described insulating barrier is greater than the thickness that described boss protrudes described sidewall.
In the another kind of implementation of the embodiment of the present invention, boss described in the Thickness Ratio of described insulating barrier protrudes the large 1-2mm of thickness of described sidewall.
In the another kind of implementation of the embodiment of the present invention, described insulating barrier is fixed on the sidewall of described opening by cementing agent.
The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is:
The fixture that the embodiment of the present invention provides operationally, electric insulation component (insulating barrier, insulation locating part, insulation barrier and insulation pretension block) wherein can not be stretched, therefore fixture tensile strength is high, not easily be destroyed during work, larger pulling force can be applied to sample, expand force scope during energising tension test, in addition, the replacement of clamp can be realized by dismountable insulation locating part, make fixture can be applicable to multi-form sample, expand the usable range of fixture.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the perspective view of the second side of the fixture that the embodiment of the present invention provides;
Fig. 2 is the perspective view of the first side of the fixture that the embodiment of the present invention provides;
Fig. 3 is the cross-sectional view of the fixture that the embodiment of the present invention provides;
Fig. 4 is the structural representation removing insulation barrier of Fig. 2 that the embodiment of the present invention provides;
Fig. 5 is the structural representation of the clamp for plate sample that the embodiment of the present invention provides;
Fig. 6 is the structural representation of the clamp for column type sample that the embodiment of the present invention provides.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Embodiment
Embodiments provide a kind of for the fixture stretched that is energized, be applicable to be connected with cupping machine, see Fig. 1-6, this fixture comprises: chuck arbor 10, clamp body 20, releasing means 30, two clamps 40, two pieces of insulating barriers 50, insulation locating part 60, insulation barrier 70, spring 80 and insulation pretension block 90.
Clamp body 20 comprises bottom 21 and is located at the two side arms 22 at 21 two ends, bottom, forms an opening 201 between bottom 21 and two side arms 22.One end of chuck arbor 10 is connected with bottom 21, and the other end of chuck arbor 10 connects cupping machine, and side arm 22 and chuck arbor 10 extend in the opposite direction from bottom 21.
Opening 201 comprises the base limited by bottom 21 and the sidewall limited by side arm 22, and the width (distance namely between two side) of opening 201 reduces from inside to outside gradually.Two pieces of insulating barriers 50 are separately fixed on the two side of opening 201.
Two clamps 40, insulation pretension block 90 and springs 80 are all located in opening 201, two clamps 40 are movably connected on one end of insulation pretension block 90 and are positioned at insulation pretension block 90 both sides, and the other end of insulation pretension block 90 passes through the bottom 21 of spring 80 jockey body 20.
Clamp 40 comprises clamping surface 401 and the slipping plane 403 of the contrary both sides being arranged on clamp 40, and the clamping surface 401 of two clamps 40 matches, the slipping plane 403 of two clamps 40 contacts with two pieces of insulating barriers 50 respectively and can slide along insulating barrier 50, a clamp 40 in two clamps 40 is provided with the power connecting column 402 for connecing electricity, power connecting column 402 circumscripted power line, when being energized tension test, by clamp 40, electric current is imported tensile sample, form electric loop with the another set of fixture used in pairs.
Clamp body 20 has the first side and second side contrary with this first side, insulation barrier 70 is fixed on the first side of clamp body 20, insulation barrier 70 is provided with two gathering sill 70a, the direction of two gathering sill 70a is parallel with the direction of two sidewalls of opening 201 respectively, two clamps 40 are respectively equipped with guide finger 404, guide finger 404 is slidably disposed in gathering sill 70a, insulation locating part 60 is removably fixed on the second side of clamp body 20, and two clamps 40 are folded between insulation locating part 60 and insulation barrier 70 respectively.Gathering sill 70a can be elongate in shape.
Releasing means 30 comprises handle 301, steering axle 302, hook rotating shaft 303 and hook 304, the middle part of handle 301 and an end of handle 301 are located in steering axle 302 and hook rotating shaft 303 respectively, handle 301 is rotatably connected on the second side of clamp body 20 by steering axle 302, hook 304 is rotatably connected by linking up with rotating shaft 303 with handle 301, and hook 304 is connected with insulation pretension block 90.Easily know, in other implementations, handle 301 can also be rotatably connected on the first side of clamp body 20 by steering axle 302.
Under the common restriction of guide finger 404, gathering sill 70a and opening 201, when two clamps 40 move up and down, the slipping plane 403 of clamp 40 is along lower slider on the surface of insulating barrier 50.When two clamps 40 move upward, two clamps 40 open, and when two clamps 40 move downward, two clamps 40 close up clamping, thus realize the clamping and release to sample.Further, the direction of motion of clamp 40 is controlled by releasing means 30: under state of nature, and spring 80 promotes insulation pretension block 90 downwards, thus promotion two clamps 40 move downward, make two clamps 40 close up clamping, clamping force is produced to the sample be installed between two clamps 40; When to when pressing down handle 301 outer end, hook 304 moves upward, drive insulation pretension block 90 to move upward, thus overcome the pressure of spring 80, pull two clamps 40 to move upward simultaneously, two clamps 40 are opened, release sample, also can install new sample, in this case when release handle 301 outer end, under the effect of spring 80, fixture is reduced to clamped condition.
Particularly, chuck arbor 10 is cylindrical, chuck arbor 10 has the cross-drilled hole 10a for being connected and fixed with cupping machine.
As shown in Figure 3, the angle in the direction of the sidewall of opening 201 and the direction of chuck arbor 10 is b, b can be 8-15 °.If this angle is excessive, then clamp 40 stroke can be caused too little, and the distance causing clamp 40 to open is little, is unfavorable for the installation of sample, if this angle is too small, then clamp can be caused when carrying out tension test, and be easily drawn out from opening part, safety coefficient is low.Therefore, through test of many times, select the corner dimension in the direction of the 8-15 ° of direction as the sidewall of opening 201 and chuck arbor 10.Certain the present invention is not as restriction, and the corner dimension in the direction of the sidewall of opening 201 and the direction of chuck arbor 10 can be selected according to actual conditions.
As shown in Figure 5, the clamping surface 401 of clamp 40 can be plane, and is provided with dentate groove on clamping surface 401, and the clamp 40 of this form can be used for clamping plate sample.As shown in Figure 6, the clamping surface 401 of clamp 40 can be also V-type face, and is provided with dentate groove on clamping surface 401, and the clamp 40 of this form can be used for clamp cylinders type sample.Then, the replacement of clamp 40 can be realized by removing dismountable insulation locating part 60, realizing the versatility of fixture.
Particularly, the shaft section of insulation pretension block 90 is king's font structure, insulation pretension block 90 comprises three pieces of web joint 90a be arranged in parallel and connects the coupling shaft 90b of three pieces of web joint 90a, one piece of web joint 90a of insulation pretension block 90 one end is connected with spring 80, clamp 40 comprises main body 40a and is fixed on the connecting portion 40b on main body 40a, clamping surface 401 and slipping plane 403 are located on the two sides of main body 40a respectively, connecting portion 40b is connected with an end face of main body 40a, and and between main body 40a, be provided with a transverse opening 405, one piece of web joint 90a of the other end of insulation pretension block 90 is connected in transverse opening 405, connecting portion 40b also offers the axially open 406 mated with coupling shaft 90b.
Further, hook 304 comprises the first hook 304a and second hook 304b, and the first hook 304a and second hook 304b is connected on same web joint 90a, and the first hook 304a and second hook 304b lays respectively at the both sides of coupling shaft 90b.Arrange two hooks insulation pretension block 90 can be made stressed evenly.
In embodiments of the present invention, insulation barrier 70 is arranged on clamp body 20 by set bolt 701.Wherein, the quantity of set bolt 701 can design according to actual needs, such as, shown in Fig. 24.
In embodiments of the present invention, insulation locating part 60 can comprise two the insulating spacer 60a be separately positioned in the two side arms 22 of clamp body 20, and two insulating spacer 60a are rotatably mounted on clamp body 20, to facilitate the replacing of clamp 40.Particularly, insulating spacer 60a offers through hole 60b, and fixed by block screw 601.Insulation locating part 60 and insulation barrier 70 limit the position of two clamps 40 jointly, prevent clamp 40 from throwing off from clamp body 20.
Further, the sidewall of opening 201 is provided with boss 202, and one end of insulating barrier 50 is connected with boss 202, and the thickness of insulating barrier 50 is greater than the thickness that boss 202 protrudes sidewall.Boss 202 can, when fixture works, prevent insulating barrier 50 from occurring loosening because being subject to the friction force of clamp 40.
As shown in Figure 3, the Thickness Ratio boss 202 of insulating barrier 50 protrudes thickness large a, a of sidewall can be 1-2mm.
In embodiments of the present invention, insulating barrier 50 can be fixed on the sidewall of opening 201 by cementing agent.Cementing agent is the chemical reagent having cohesive action, such as 502 glue.
Insulating barrier 50 in the present embodiment, insulation locating part 60, insulation barrier 70 and insulation pretension block 90 all adopt insulating material to make, such as, adopt epoxy glass cloth laminated board to make.
Below the using method for the fixture stretched that is energized that the embodiment of the present invention provides is introduced:
Two sleeve clamps used in pairs are installed on cupping machine, unclamp block screw 601, according to specimen shape, install and be used for the clamp 40 of plate sample or the clamp 40 for column type sample, be loaded on insulation locating part 60, complete fixture and install.To a wherein sleeve clamp, to handle 301 outer end pressing down releasing means 30, hook 304 moves upward, insulation pretension block 90 is driven to move upward, overcome the pressure of spring 80, pull two clamps 40 to move upward simultaneously, two clamps 40 are opened, the degree that two clamps 40 open is determined according to the thickness of plate sample or the diameter of column type sample, one end of sample is put between two clamps 40, release handle 301 outer end, spring 80 promotes insulation pretension block 90 downwards, thus promotion two clamps 40 move downward simultaneously, two clamps 40 are made to close up clamping, the sample be between two clamps 40 is clamped in advance.The another set of fixture of same operation, clamps in advance to the other end of sample.Start cupping machine, make two sleeve clamp distances become large, under pretightning force effect, sample drives two clamps 40 in every sleeve clamp to the osculum end motion of the opening 201 of clamp body 20, thus sample is further clamped, until completely firm.Import electric current by the power connecting column 402 of two sleeve clamps, start that energising is carried out to sample and stretch.After tension test completes, disconnect the power supply on power connecting column 402, handle 301 outer end of pressure releasing means 30, makes two clamps 40 open, and takes out the sample after stretching.
The fixture that the embodiment of the present invention provides operationally, electric insulation component wherein can not be stretched, therefore fixture tensile strength is high, not easily be destroyed during work, larger pulling force can be applied to sample, expand force scope during energising tension test, in addition, the replacement of clamp can be realized by dismountable insulation locating part, make fixture can be applicable to multi-form sample, expand the usable range of fixture.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. for the fixture stretched that is energized, it is characterized in that, described fixture comprises: chuck arbor, clamp body, releasing means, two clamps, two pieces of insulating barriers, insulation locating part, insulation barrier, spring and insulation pretension block;
Described clamp body comprises bottom and is located at the two side arms at two ends, described bottom, and form an opening between described bottom and described two side arms, one end of described chuck arbor is connected with described bottom, and described side arm and described chuck arbor extend in the opposite direction from described bottom;
Described opening comprises the base limited by described bottom and the sidewall limited by described side arm, and the width of described opening reduces from inside to outside gradually, and described two pieces of insulating barriers are separately fixed on the two side of described opening;
Described two clamps, described insulation pretension block and described spring are all located in described opening, described two clamps are movably connected on one end of described insulation pretension block and are positioned at described insulation pretension block both sides, and the other end of described insulation pretension block connects the bottom of described clamp body by described spring;
Described clamp comprises clamping surface and the slipping plane of the contrary both sides being arranged on described clamp, and the described clamping surface of described two clamps matches, the described slipping plane of described two clamps contacts with described two pieces of insulating barriers respectively and can slide along described insulating barrier, and a described clamp in described two clamps is provided with the power connecting column for connecing electricity;
Described clamp body has the first side and second side contrary with described first side, described insulation barrier is fixed on described first side of described clamp body, described insulation barrier is provided with two gathering sills, the direction of described two gathering sills is parallel with the direction of two sidewalls of described opening respectively, described two clamps are respectively equipped with guide finger, described guide finger is slidably disposed in described gathering sill, described insulation locating part is removably fixed on described second side of described clamp body, and described two clamps are folded between described insulation locating part and described insulation barrier respectively,
Described releasing means comprises handle, steering axle, hook rotating shaft and hook, the middle part of described handle and an end of described handle are located in described steering axle and described hook rotating shaft respectively, described handle is rotatably connected on described first side or described second side of described clamp body by described steering axle, described hook and described handle are rotatably connected by described hook rotating shaft, and described hook is connected with described insulation pretension block.
2. fixture according to claim 1, is characterized in that, the angle in the direction of the sidewall of described opening and the direction of described chuck arbor is 8-15 °.
3. fixture according to claim 1, is characterized in that, the clamping surface of described clamp is plane or V-type face, and is provided with dentate groove on described clamping surface.
4. fixture according to claim 1, it is characterized in that, described insulation pretension block comprises three pieces of web joints be arranged in parallel and connects the coupling shaft of described three pieces of web joints, one piece of described web joint of one end of described insulation pretension block is connected with described spring, described clamp comprises main body and fixing connecting portion on the body, described clamping surface and described slipping plane are located on the two sides of described main body respectively, described connecting portion is connected with an end face of described main body, and and be provided with a transverse opening between described main body, one piece of described web joint of the other end of described insulation pretension block is connected in described transverse opening, described connecting portion also offers the axially open mated with described coupling shaft.
5. fixture according to claim 4, it is characterized in that, described hook comprises the first hook and the second hook, and described first hook and described second hook connecting are connected on same web joint, and described first hook and described second hook lay respectively at the both sides of described coupling shaft.
6. the fixture according to any one of claim 1-5, is characterized in that, described insulation barrier is arranged on described clamp body by set bolt.
7. the fixture according to any one of claim 1-5, is characterized in that, described insulation locating part comprise be separately positioned on described clamp body two side arms on two insulating spacers, described insulating spacer is rotatably mounted on described clamp body.
8. the fixture according to any one of claim 1-5, is characterized in that, the sidewall of described opening is provided with boss, and one end of described insulating barrier is connected with described boss, and the thickness of described insulating barrier is greater than the thickness that described boss protrudes described sidewall.
9. fixture according to claim 8, is characterized in that, boss described in the Thickness Ratio of described insulating barrier protrudes the large 1-2mm of thickness of described sidewall.
10. the fixture according to any one of claim 1-5, is characterized in that, described insulating barrier is fixed on the sidewall of described opening by cementing agent.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510054694.1A CN104655484B (en) | 2015-01-31 | 2015-01-31 | A kind of fixture for the stretching that is powered |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510054694.1A CN104655484B (en) | 2015-01-31 | 2015-01-31 | A kind of fixture for the stretching that is powered |
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| CN104655484A true CN104655484A (en) | 2015-05-27 |
| CN104655484B CN104655484B (en) | 2017-04-05 |
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| CN201510054694.1A Active CN104655484B (en) | 2015-01-31 | 2015-01-31 | A kind of fixture for the stretching that is powered |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105004610A (en) * | 2015-09-09 | 2015-10-28 | 海安县石油科研仪器有限公司 | Device for tensile test of metal material under function of current |
| CN105675396A (en) * | 2016-02-01 | 2016-06-15 | 上海交通大学 | Multifunctional uniaxial tensile test device for microstructure in-situ online observation |
| CN107621405A (en) * | 2017-10-20 | 2018-01-23 | 昆明理工大学 | A kind of multi-functional mechanical stretch laboratory holder |
| CN107727510A (en) * | 2017-11-29 | 2018-02-23 | 中南大学 | A kind of experimental rig of pulse current auxiliary bar samples uniaxial tension |
| CN108896388A (en) * | 2018-07-04 | 2018-11-27 | 福州大学 | A kind of power-pulse current coupling laboratory holder |
| CN108896384A (en) * | 2018-08-01 | 2018-11-27 | 吉林大学 | Wedge gripping jaw for the tension test that is powered |
| CN113340724A (en) * | 2021-04-10 | 2021-09-03 | 山东永而佳电子科技有限公司 | LED tensile test equipment |
| CN114295470A (en) * | 2021-12-16 | 2022-04-08 | 张家港宏昌钢板有限公司 | Clamp baffle of tensile testing machine and manufacturing method thereof |
| CN114659877A (en) * | 2022-02-24 | 2022-06-24 | 大连理工大学 | Clamp, device and method for electrically stretching plate |
| CN117330402A (en) * | 2023-11-27 | 2024-01-02 | 合肥工业大学 | Replaceable electric auxiliary stretching clamp and application method thereof |
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| CN105004610A (en) * | 2015-09-09 | 2015-10-28 | 海安县石油科研仪器有限公司 | Device for tensile test of metal material under function of current |
| CN105675396A (en) * | 2016-02-01 | 2016-06-15 | 上海交通大学 | Multifunctional uniaxial tensile test device for microstructure in-situ online observation |
| CN105675396B (en) * | 2016-02-01 | 2018-04-24 | 上海交通大学 | Multi-functional single shaft tensile test apparatus for microstructure original position online observation |
| CN107621405B (en) * | 2017-10-20 | 2023-11-21 | 昆明理工大学 | Multifunctional mechanical stretching experiment clamp |
| CN107621405A (en) * | 2017-10-20 | 2018-01-23 | 昆明理工大学 | A kind of multi-functional mechanical stretch laboratory holder |
| CN107727510A (en) * | 2017-11-29 | 2018-02-23 | 中南大学 | A kind of experimental rig of pulse current auxiliary bar samples uniaxial tension |
| CN108896388A (en) * | 2018-07-04 | 2018-11-27 | 福州大学 | A kind of power-pulse current coupling laboratory holder |
| CN108896388B (en) * | 2018-07-04 | 2024-03-12 | 福州大学 | Force-pulse current coupling action experimental clamp |
| CN108896384A (en) * | 2018-08-01 | 2018-11-27 | 吉林大学 | Wedge gripping jaw for the tension test that is powered |
| CN108896384B (en) * | 2018-08-01 | 2020-11-27 | 吉林大学 | Wedge-shaped clamp jaw for electrification tensile test |
| CN113340724A (en) * | 2021-04-10 | 2021-09-03 | 山东永而佳电子科技有限公司 | LED tensile test equipment |
| CN113340724B (en) * | 2021-04-10 | 2022-07-15 | 山东永而佳电子科技有限公司 | LED tensile test equipment |
| CN114295470A (en) * | 2021-12-16 | 2022-04-08 | 张家港宏昌钢板有限公司 | Clamp baffle of tensile testing machine and manufacturing method thereof |
| CN114659877B (en) * | 2022-02-24 | 2023-08-11 | 大连理工大学 | Clamp, device and method for electrified stretching of plate |
| CN114659877A (en) * | 2022-02-24 | 2022-06-24 | 大连理工大学 | Clamp, device and method for electrically stretching plate |
| CN117330402A (en) * | 2023-11-27 | 2024-01-02 | 合肥工业大学 | Replaceable electric auxiliary stretching clamp and application method thereof |
| CN117330402B (en) * | 2023-11-27 | 2024-02-23 | 合肥工业大学 | Replaceable electric auxiliary stretching clamp and application method thereof |
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