CN104865120B - For the sheet metal fatigue tester of LED radiator - Google Patents
For the sheet metal fatigue tester of LED radiator Download PDFInfo
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- CN104865120B CN104865120B CN201510293906.1A CN201510293906A CN104865120B CN 104865120 B CN104865120 B CN 104865120B CN 201510293906 A CN201510293906 A CN 201510293906A CN 104865120 B CN104865120 B CN 104865120B
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- turntable
- sheet metal
- support portion
- positioning disk
- tie rod
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Abstract
The present invention relates to a kind of sheet metal fatigue tester for LED radiator, including driving mechanism, the support portion being fixedly connected and positioning disk, circular configuration and the turntable and force-applying piece being drivingly connected with driving mechanism；Circular ring shape limiting section is provided on support portion, turntable rotation is set in limiting section, and turntable is contained between support portion and positioning disk；Several pilot holes for being in emitting shape clockwise arrangement with the axle center of turntable are offered on turntable；Positioning disk is equipped with several sliding slots for being in emitting shape arrangement with the axle center of positioning disk；Force-applying piece includes tie rod and the sliding block with tie rod rotation connection, and sliding block and tie rod are slided in pilot hole and sliding slot respectively.It is steadily rotated in limiting section by driving mechanism driving disc, and then it is slided with movable slider along pilot hole, so that tie rod is slided along sliding slot, so as to fulfill to the axial varying load in sheet metal application multiple directions, cause the stress equalization of sheet metal in a plurality of directions, improve the accuracy to sheet metal experiment on fatigue properties.
Description
Technical field
The present invention relates to the technical fields that the fatigue behaviour to plank is tested, and are dissipated more particularly to one kind for LED
The sheet metal fatigue tester for LED radiator of hot device.
Background technology
Sheet metal can show fatigue under the alternate load effects such as axially loaded, rotoflector loading and torsion loading
Phenomenon.The fatigue properties of sheet metal, intensity, ductility, strain can be analyzed by applying axial alternating load to sheet metal
The important mechanical performance index such as hardening and toughness.In engineer application, fatigue behaviour is metal sheeting design Static Strength Design
One of Main Basiss, can reflect the performances such as the antifatigue of sheet metal, fracture.
Traditionally, apply the device of axial load to sheet metal, balancedly sheet metal can not be applied multidirectional
Load.In addition, it is unstable during axial alternating load is applied, cause the multidirectional load of sheet metal unbalanced and try
Impact direction cannot keep unanimously during testing, and stability is bad, can not accurately reflect the fatigue behaviour index of sheet metal.
Invention content
Based on this, it is necessary to a kind of sheet metal fatigue tester for LED radiator is provided, to solve the prior art
In the axial alternating load discontinuity equalization of multiple directions that applies to sheet metal and the problem of bad stability.
A kind of sheet metal fatigue tester for LED radiator, including：Driving mechanism, support portion, circular configuration
Turntable, positioning disk and force-applying piece；
Circular ring shape limiting section is provided on the support portion, the turntable is rotatably dispose in the limiting section, described to lead
It is fixedly connected to disk with the support portion, the turntable is contained between the support portion and the positioning disk；
Putting hole, the through-hole of perforation are offered at the axle center of the support portion, the turntable and the positioning disk respectively
And accommodating hole；
Several pilot holes are offered on the turntable, several pilot holes are with the axle center of the turntable in transmitting clockwise
Shape arranges；
Several sliding slots are offered towards the side of the turntable on the positioning disk, several sliding slots are with the positioning disk
Axle center in emitting shape arrange；
The force-applying piece includes tie rod and the sliding block with tie rod rotation connection, the sliding block are slideably positioned in described
In pilot hole, the tie rod is slideably positioned in the sliding slot；
The driving mechanism is drivingly connected with the turntable, for driving the sliding block edge when driving the turntable rotation
The pilot hole slides, so that the tie rod is slided along the sliding slot.
In one embodiment, the edge of the turntable extends outwardly an ear.
In one embodiment, the driving mechanism includes telescopic cylinder and connector, and the telescopic cylinder passes through institute
It states connector to be fixedly connected with the support portion, the telescopic shaft of the telescopic cylinder is hinged with the ear.
In one embodiment, the driving structure further includes mounting portion and is set to approaching on the mounting portion and opens
It closes, the mounting portion is fixedly connected with the connector.
In one embodiment, the through-hole is circle.
In one embodiment, the putting hole is circle.
The above-mentioned sheet metal fatigue tester for LED radiator drives the turntable of circular configuration to exist by driving mechanism
It steadily rotating in circular ring shape limiting section, and then is slided with movable slider along pilot hole so that tie rod is slided along sliding slot, so as to fulfill
Pair sheet metal being connect with several tie rods applies the axial varying load in multiple directions so that sheet metal is in multiple directions
On stress equalization, improve the accuracy to sheet metal experiment on fatigue properties.
Description of the drawings
Fig. 1 is a preferred embodiment of the present invention the structural representation of the sheet metal fatigue tester for LED radiator
Figure；
Fig. 2 is for the explosive view of the sheet metal fatigue tester of LED radiator shown in Fig. 1；
Fig. 3 is a visual angle figure of positioning disk shown in Fig. 1；
Fig. 4 is the structure diagram of force-applying piece shown in Fig. 1；
Fig. 5 is the structure chart of turntable, positioning disk and force-applying piece shown in Fig. 2.
Specific embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.In attached drawing
Give presently preferred embodiments of the present invention.But the present invention can realize in many different forms, however it is not limited to this paper institutes
The embodiment of description.On the contrary, the purpose for providing these embodiments is to make the understanding to the disclosure more thorough
Comprehensively.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The normally understood meaning of technical staff is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.
As depicted in figs. 1 and 2, wherein, the metallic plate for LED radiator that Fig. 1 is a preferred embodiment of the present invention
The structure diagram of material fatigue tester 10, Fig. 2 are the sheet metal fatigue tester 10 that LED radiator is used for shown in Fig. 1
Explosive view.
Include for the sheet metal fatigue tester 10 of LED radiator：Driving mechanism 11, turntable 13, is led at support portion 12
To disk 14 and force-applying piece 15.
Positioning disk 14 is fixedly connected with support portion 12.The rotation of turntable 13 is contained between support portion 12 and positioning disk 14, can
To be interpreted as, turntable 13 is relative to support portion 12 and positioning disk 14 with fixed axis rotation.Due to positioning disk 14 and support portion
12 are fixedly connected, and avoid causes positioning disk 14 to rotate during turntable 13 rotates, in this way, increasing for LED
The stability that the sheet metal fatigue tester 10 of radiator works.
Putting hole 121, the through-hole 131 of perforation are offered at the axle center of support portion 12, turntable 13 and positioning disk 14 respectively
And accommodating hole 141.Several pilot holes 132 are offered on turntable 13, several pilot holes 132 are with the axle center of turntable 13 in clockwise
Emitting shape arranges.
In the present embodiment, round ring boss 122 is set, boss 122 is set around putting hole 121 on support portion 12.Through-hole
131 be circle, and is sleeved on 122 outside of boss so that turntable 13 is rotated around boss 122.It is readily appreciated that, in order to ensure turntable 13
Stability when being rotated around boss 122, the diameter of through-hole 131 is suitable with the diameter of boss 122, ensures that turntable 13 rotates
Smoothness.In other embodiments, boss 122 or discontinuously setting.
Realize turntable 13 relative to support portion 12 with fixed axis rotation, however it is not limited to which annulus is set on support portion 12
Shape boss 122, in other embodiments, for example, offering toroidal cavity, turntable 13 around putting hole 121 on support portion 12
On be correspondingly arranged on multiple slide bars or turntable 13 towards the toroidal cavity and be correspondingly arranged towards the toroidal cavity
There is circular ring shape protrusion, multiple slide bars are inserted into the toroidal cavity or the circular ring shape protrusion insertion circular ring shape is recessed
In slot, it can equally realize turntable 13 relative to support portion 12 with fixed axis rotation.For another example, around through-hole on turntable 13
131 and toroidal cavity is offered towards the side of support portion 12, be correspondingly arranged on support portion 12 towards the toroidal cavity
Have and be correspondingly arranged on circular ring shape protrusion, multiple slide bars towards the toroidal cavity on multiple slide bars or support portion 12
It is inserted into the toroidal cavity or circular ring shape protrusion is inserted into the toroidal cavity, can equally realize 13 phase of turntable
For support portion 12 with fixed axis rotation.
In the present embodiment, turntable 13 is circular configuration, in order to further realize that turntable 13 rotates steady on support portion 12
It is qualitative, circular ring shape limiting section 123, limiting section 123 and 122 concentric setting of boss are provided on support portion 12, in this way, turntable 13
Stability when turntable 13 rotates can be improved between boss 122 and limiting section 123 with its axis rotation.In other realities
It applies in example, without setting boss 122 that can also realize the turntable 13 of circular configuration with its axis rotation, for example, on support portion 12
Be provided with circular ring shape limiting section 123, turntable 13 is rotatably dispose in limiting section 123, turntable 13 in rotation process always with limit
The inner wall in position portion 123, which slides, to be contradicted, it is ensured that turntable 13 is with the stability of its axis rotation.
In the present embodiment, support portion 12 is circular configuration, and preferably, putting hole 121 is circle.In other embodiments,
Support portion 12 or square structure, ellipsoidal structure etc..Positioning disk 14 is circular configuration, and preferably, accommodating hole 141 is circle
Shape, or regular polygon.In other embodiments, positioning disk 14 or square structure, ellipsoidal structure etc..
As shown in figure 3, its visual angle figure for positioning disk 14 shown in Fig. 1.Towards the side of turntable 13 on positioning disk 14
Several sliding slots 142 are offered, several sliding slots 142 are arranged with the axle center of positioning disk 14 in emitting shape.
Together refering to Fig. 4 and Fig. 5, wherein, Fig. 4 is the structure diagram of force-applying piece 15 shown in Fig. 1, and Fig. 5 is institute in Fig. 2
Show the structure chart of turntable 13, positioning disk 14 and force-applying piece 15.Force-applying piece 15 includes tie rod 151 and rotates with tie rod 151 to connect
The sliding block 152 connect, sliding block 152 are slideably positioned in pilot hole 132, and tie rod 151 is slideably positioned in sliding slot 142.It is specifically, sliding
Block 152 is rotatably connected on one end of tie rod 151, for the ease of by sheet metal place accommodating hole 141 in, and then with tie rod 151
Connection, the other end of tie rod 151 are stretched in accommodating hole 141.For the ease of connecting sheet metal, for example, tie rod 151 is another
End setting crook, crook are set towards support portion 12, in practical applications, sheet metal are cut into circle in advance,
The edge equilibrium of circular metal plank opens up several pulling eyes, in this way, penetrating pulling eye by crook realizes tie rod 151 and metal
Plank is detachably connected.For another example, the other end setting clamping part of tie rod 151, in practical applications, in advance cuts out sheet metal
Circle is cut into, by clamping part to the clamping action of sheet metal, realization is detachably connected with sheet metal.
Referring again to Fig. 1 and Fig. 2, driving mechanism 11 is drivingly connected with turntable 13, realizes the band when driving disc 13 rotates
Movable slider 152 is slided along pilot hole 132, so that tie rod 151 is slided along sliding slot 142, realizes that several tie rods 151 shrink and open
It opens, due to the balanced arrangement of several tie rods 151, after being connect with sheet metal, sheet metal can be carried out in multiple directions
Stable pulling so that the axial load of sheet metal in a plurality of directions is balanced, improves to sheet metal experiment on fatigue properties
Accuracy.In the present embodiment, the edge of turntable 13 extends outwardly an ear 133, and driving mechanism 11 includes telescopic cylinder 111 and even
Fitting 112, telescopic cylinder 111 are fixedly connected by connector with support portion 12, the telescopic shaft 1111 of telescopic cylinder 111 and ear
133 is hinged.In order to coordinate ear 133, the limiting section 123 close to the circular ring shape of telescopic shaft 1111 opens up jagged 1231, avoids
When telescopic cylinder 111 drives the rotation of ear 133, the blocking to ear 133 is caused.
It is out of control when avoiding because of 111 driving disc 13 of telescopic cylinder for the amplitude that turntable 13 is controlled to rotate, lead to tie rod
The stretch range of 151 pairs of sheet metals is excessive and tears sheet metal, and driving structure 11 further includes mounting portion 113 and is set to peace
In dress portion 113 close to switch 114, mounting portion 113 is fixedly connected with connector 112.Close to switch 114 without and telescopic shaft
1111 are in direct contact, when the link position of telescopic shaft 1111 and ear 133 is close proximity to switch 114, and after being sensed,
Trigger signal can be then generated close to switch 114, external control unit outside can control telescopic cylinder 111 according to trigger signal
Telescopic shaft 1111 realizes the effective control rotated to turntable 13, increases the sheet metal fatigue tester 10 for LED radiator
The reliability and stability of work.And the performance of close switch 114 is stable, frequency response is fast, application life is long, anti-interference energy
Power is strong etc., and has the characteristics that waterproof, shockproof, corrosion-resistant, can be applicable in the adverse circumstances such as more dirt, greasy dirt, expand use
In the application range of the sheet metal fatigue tester 10 of LED radiator.In order to which the control of the rotation amplitude of turntable 13 is being needed
In the range of, it is two close to switch 114 and the waist-shaped hole, two are arranged at intervals close to switch 114, and correspond and insert
Enter in two waist-shaped holes.
Waist-shaped hole is offered on the position of mounting portion 113, mounting portion 113 in order to facilitate adjustment close to switch 114 (to scheme not
Mark), it is inserted into waist-shaped hole close to switch 114.In this way, when needing to be adjusted the amplitude that turntable 13 rotates, it will approach and open
114 are closed to move in waist-shaped hole and fixed to specific position.
It referring again to Fig. 4 and Fig. 5, is replaced for the ease of counter brace 151, tie rod 151 includes pulling item 1511 and slide
Dynamic item 1512, sliding block 152 are rotatablely connected with slider bar 1512, and item 1511 is pulled to be bolted in the cunning far from sliding block 152
The end of dynamic item 1512, the bottom of 14 upper hopper chute 142 of positioning disk open up bar hole 143, item 1511 are pulled to be slided along bar hole 143
Setting.In this way, without being split to turntable 13 and positioning disk 14, it is possible to pull on item 1511 and be carried out with slider bar 1512
It splits, and is taken out via bar hole 143, be conveniently replaceable and pull item 1511.
In practical applications, preferably, turntable 13 and support portion 12 are steel material, in order to mitigate turntable 13 and support portion
12 abrasion, needs to reduce the friction factor between turntable 13 and support portion 12, in the present embodiment, on support portion 12 with turntable 13
Contact surface on be coated with solid lubricating film material, the solid lubricating film material consists of the following compositions：19wt%~
Fluorographite, the 8wt% of the cobalt of a diameter of 28um~71um of 32wt%, a diameter of 30nm~56nm of 13wt%~27wt%
The sodium fluoride of~15wt%, the zirconium dioxide of 25wt%~48wt%, 10wt%~31wt% binding agent.
In the solid lubricating film material, the cobalt of a diameter of 28um~71um is magnetic nano-particle, is had simultaneously
Higher hardness, intensity and wear-resisting property is easily adsorbed onto metal material during turntable 13 and 12 relative friction of support portion
The contact surface of material.In the present invention, the content of cobalt is 19wt%~32wt%, preferably 22wt%~28wt%.The diameter of cobalt is excellent
It is selected as 45um~65um.
Fluorographite is a kind of carbon-graphite functional material that carbon and fluorine react generation at high temperature, since fluorographite is
Layer structure, and molecular force between layers is weaker, and distance between layers is 2 times of graphite, is had excellent
Greasy property, and contact surface of the fluorographite of a diameter of 30nm~56nm easily in metal material during friction sinks
It accumulates into film, metal material surface can be securely attached to, it is not easily to fall off when rubbing.In the present invention, fluorographite
Content be 13wt%~27wt%, preferably 19wt%~22wt%.The diameter of fluorographite is preferably 41nm~52nm.
Sheet metal is being carried out repeatedly in axial tension test, turntable 13 relative to support portion 12 clockwise and anticlockwise
The frequency for rotating switching is very high, hot environment is formed in contact surface, as effect of the sodium fluoride that additive uses as additive
Fruit is best, and preferable with the synergistic effect of other compositions in the solid lubricating film material, is easily formed and turned in contact surface
Film is moved, enhances the lubrication property of the solid lubricating film material, improves the temperature tolerance of the solid lubricating film material, and energy
It is enough that the higher protective film of shear strength is formed between turntable 13 and support portion 12.In the present invention, the content of sodium fluoride is
8wt%~15wt%, preferably 10wt%~14wt%.
Zirconium dioxide (chemical formula：ZrO2) be zirconium main oxides, be white odorless, tasteless crystal under usual condition, it is difficult
It is dissolved in water, hydrochloric acid and dilute sulfuric acid.Chemical property torpescence, and with high-melting-point, high resistivity, high refractive index and low thermal expansion system
Several property makes it important heat-resisting material, ceramic insulating material and ceramic opacifier, and band gap is about 5eV
~7eV.
Application of the plasma spraying Zirconia Thermal Barrier Coating in aviation and industrial gas turbine has been great progress,
The turbine portion of gas turbine is had been used within certain limits.Due to the painting of the solid lubricating film material containing zirconium dioxide
Layer can reduce the temperature of air cooling high-temperature component, therefore can significantly improve the durable of high-temperature component turntable 13 and support portion 12
Property.In the present invention, the content of zirconium dioxide is 25wt%~48wt%, preferably 31wt%~40wt%.
Binding agent is the guarantee of adhesion strength between other ingredients and contact surface in solid lubricating film material.Binding agent removes
Outside sizing material, the auxiliary elements such as solvent, curing agent, toughener, preservative, colorant, antifoaming agent are further included.Binding agent is in addition to most
Outside common animal glue, synthetic resin, rubber and paint etc. are further included.During turntable 13 and 12 relative friction of support portion,
Binding agent increases the adsorption strength of the contact surface of other ingredients and metal material in solid lubricating film material, improves solid profit
The durability and greasy property of sliding thin-film material.
The above-mentioned sheet metal fatigue tester 10 for LED radiator drives turning for circular configuration by driving mechanism 11
Disk 13 steadily rotates in circular ring shape limiting section 123, and then is slided with movable slider 152 along pilot hole 132 so that tie rod 151
It is slided along sliding slot 142, applies the axial variable load in multiple directions so as to fulfill pair sheet metal being connect with several tie rods 151
Lotus so that the stress equalization of sheet metal in a plurality of directions improves the accuracy to sheet metal experiment on fatigue properties.
Embodiment described above only expresses the several embodiments of the present invention, and description is more specific and detailed, but simultaneously
Cannot the limitation to the scope of the claims of the present invention therefore be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (5)
1. a kind of sheet metal fatigue tester for LED radiator, which is characterized in that including：Driving mechanism, support portion,
Turntable, positioning disk and force-applying piece；
Circular ring shape limiting section is provided on the support portion, the turntable is rotatably dispose in the limiting section, the positioning disk
It is fixedly connected with the support portion, the turntable is contained between the support portion and the positioning disk；
Offered respectively at the axle center of the support portion, the turntable and the positioning disk putting hole of perforation, through-hole and
Accommodating hole；
Several pilot holes are offered on the turntable, several pilot holes are arranged with the axle center of the turntable in emitting shape clockwise
Row；
Several sliding slots are offered towards the side of the turntable on the positioning disk, several sliding slots are with the axis of the positioning disk
The heart is arranged in emitting shape；
The force-applying piece includes tie rod and the sliding block with tie rod rotation connection, the sliding block are slideably positioned in the guiding
In hole, the tie rod is slideably positioned in the sliding slot；The tie rod includes pulling item and slider bar；The sliding block and slider bar
Rotation connection, it is described that item is pulled to be bolted in the end of the slider bar far from the sliding block, the positioning disk upper hopper chute
Bottom open up bar hole, the pulling item is slided along the bar hole to be set；
The driving mechanism is drivingly connected with the turntable, for driving the sliding block described in when driving the turntable rotation
Pilot hole slides, so that the tie rod is slided along the sliding slot；
The turntable and support portion are steel material；With being coated with solid lubricating film on the contact surface of turntable on the support portion
Material, the solid lubricating film material consist of the following compositions：The cobalt of a diameter of 28um~71um of 19wt%~32wt%,
The fluorographite of a diameter of 30nm~56nm of 13wt%~27wt%, the sodium fluoride of 8wt%~15wt%, 25wt%~
The zirconium dioxide of 48wt%, the binding agent of 10wt%~31wt%.
2. the sheet metal fatigue tester according to claim 1 for LED radiator, which is characterized in that the branch
Support part is circular configuration.
3. the sheet metal fatigue tester according to claim 1 for LED radiator, which is characterized in that described turn
Disk is circular configuration.
4. the sheet metal fatigue tester according to claim 1 for LED radiator, which is characterized in that described to lead
It is circular configuration to disk.
5. the sheet metal fatigue tester according to claim 1 for LED radiator, which is characterized in that the appearance
Hole is put as circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510293906.1A CN104865120B (en) | 2015-06-01 | 2015-06-01 | For the sheet metal fatigue tester of LED radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510293906.1A CN104865120B (en) | 2015-06-01 | 2015-06-01 | For the sheet metal fatigue tester of LED radiator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104865120A CN104865120A (en) | 2015-08-26 |
| CN104865120B true CN104865120B (en) | 2018-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510293906.1A Active CN104865120B (en) | 2015-06-01 | 2015-06-01 | For the sheet metal fatigue tester of LED radiator |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108489534B (en) * | 2018-01-31 | 2020-05-15 | 昆山科默精密机械有限公司 | Radiator detection device |
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|---|---|---|---|---|
| US4438570A (en) * | 1980-03-15 | 1984-03-27 | Jiri Dokoupil | System for drying and expanding of flat materials such as leather |
| US4631995A (en) * | 1985-11-18 | 1986-12-30 | Vroenen John J | Tooling apparatus |
| US4677854A (en) * | 1985-01-22 | 1987-07-07 | Skf Industrial Trading And Development Company B.V. | Test device for producing a biaxial state of tension |
| US5321109A (en) * | 1992-11-17 | 1994-06-14 | Impra, Inc. | Uniformly expanded PTFE film |
| CN202837101U (en) * | 2012-09-27 | 2013-03-27 | 浙江大学 | Multifunctional multiaxial loading stretcher |
| CN103604699A (en) * | 2013-12-04 | 2014-02-26 | 中国飞机强度研究所 | Loading method for two-way tensile test |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PT103034A (en) * | 2003-10-28 | 2005-04-29 | Univ Do Minho | UNIVERSAL MACHINE FOR MULTIAXIAL TESTS |
-
2015
- 2015-06-01 CN CN201510293906.1A patent/CN104865120B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4438570A (en) * | 1980-03-15 | 1984-03-27 | Jiri Dokoupil | System for drying and expanding of flat materials such as leather |
| US4677854A (en) * | 1985-01-22 | 1987-07-07 | Skf Industrial Trading And Development Company B.V. | Test device for producing a biaxial state of tension |
| US4631995A (en) * | 1985-11-18 | 1986-12-30 | Vroenen John J | Tooling apparatus |
| US5321109A (en) * | 1992-11-17 | 1994-06-14 | Impra, Inc. | Uniformly expanded PTFE film |
| CN202837101U (en) * | 2012-09-27 | 2013-03-27 | 浙江大学 | Multifunctional multiaxial loading stretcher |
| CN103604699A (en) * | 2013-12-04 | 2014-02-26 | 中国飞机强度研究所 | Loading method for two-way tensile test |
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| CN104865120A (en) | 2015-08-26 |
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