CN108801810A - A kind of flexible wire reverse torsion machine - Google Patents
A kind of flexible wire reverse torsion machine Download PDFInfo
- Publication number
- CN108801810A CN108801810A CN201810794151.7A CN201810794151A CN108801810A CN 108801810 A CN108801810 A CN 108801810A CN 201810794151 A CN201810794151 A CN 201810794151A CN 108801810 A CN108801810 A CN 108801810A
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- Prior art keywords
- shell
- hole
- flexible wire
- slide plate
- conducting wire
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/26—Investigating twisting or coiling properties
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0005—Repeated or cyclic
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0021—Torsional
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of flexible wire reverse torsion machines, including shell, conducting wire self-clamping module, torsion modulus and adjusting logging modle.Conducting wire self-clamping module provides one section of conducting wire to be measured between fixing end and rotary support, torsion modulus makes the rotary motion of driving motor output shaft be changed into the reciprocating rotation of sector gear by crank connecting link and gear mechanism, and then conducting wire reversed torsion to be measured is driven to carry out fatigue test, FM record mechanism adjusts driving motor rotating speed to adjust test frequency by machine governor, records and show the torsional frequency and number of flexible wire reverse torsion machine.The configuration of the present invention is simple, low in energy consumption, noise is small, long lifespan, manufacture, easy to maintain.
Description
Technical field
The present invention relates to material science and experimental technique more particularly to a kind of flexible wire reverse torsion machines.
Background technology
Fatigue refers to the performance change that material occurs under the repeated action of load.Fatigue failure is a kind of common engineering
Structure breakoff phenomenon.
Flexible wire is indispensable a kind of material in engineering structure, is widely applied in various mechanical structures, such as machine
Tool arm etc..The different components of many mechanical structures are connected by various flexible wires, to reach energy supply or transmit signal
The purpose of.And these structures are usually present relative motion, this relative motion can cause the torsion of conducting wire.In torsion repeatedly
In the process, because of fatigue problem rupture failure can occur for conducting wire.The torsional fatigue life of conducting wire is for this kind of engineering structure
Reliability plays very crucial effect, it is therefore necessary to carry out torsional fatigue performance test to this kind of flexible wire.
It is basic without this kind of for conducting wire at present due to the load of flexible wire difficulty and load magnitude are too small etc.
The fatigue tester of flexible material.There is prodigious drawback in the more existing design scheme about this kind of testing machine, such as lead
Line support pattern can cause additional load, transmission mechanism, and there are sliding frictions etc., and machine loss speed to be caused to accelerate and be difficult to control
Experimental precision etc..
Invention content
The technical problem to be solved by the present invention is to for defect involved in background technology, provide a kind of flexibility to lead
Line reverse torsion machine, automatically records number of torsions, and real-time display current test frequency shortens test period, structure letter
It is single, it is low in energy consumption, it manufactures, is easy to maintain.
The present invention uses following technical scheme to solve above-mentioned technical problem：
A kind of flexible wire torsional fatigue test device, including shell, conducting wire self-clamping module, torsion modulus and adjusting record mould
Block；
The conducting wire self-clamping module includes first to third column, top plate, slide plate and turntable；
The top plate, slide plate, turntable are in the form of annular discs, are from top to bottom coaxially disposed；Wherein, the edge of the slide plate is uniformly provided with
First passes through to third through-hole, for described first to third column；
Described first is arranged in parallel to third column, and lower end is connected with the shell, pass through the slide plate and upper end and institute
Upper plate is stated to be connected；
The slide plate is equipped with the first lockable mechanism so that the slide plate can slide up and down simultaneously along described first to third column
Carry out locking；
The circle centre position of the slide plate lower surface is equipped with the first conductor grip, and the circle centre position of the disk upper surface is equipped with the second conducting wire
Folder, first conductor grip, the second conductor grip are used to coordinate the flexible wire for being fixed for experiment；
Partition board is equipped in the shell, the partition board is equipped with fourth hole；The shell is equipped with fifth hole and the 6th and leads to
Hole；
The torsion modulus is arranged in the shell, including driving motor, shaft coupling, connecting rod, sector gear and roller gear；
The driving motor is fixed in the shell, and output shaft passes through the lower end of the fourth hole and the shaft coupling solid
Even；
The upper surface of the shaft coupling is equipped with sliding slot, and sliding block is equipped in the sliding slot, and the sliding block is equipped with the second locking machine
Structure so that the sliding block can be free to slide along the sliding slot and carries out locking；
The sector gear, roller gear are arranged on the partition board, wherein the roller gear and the turntable are coaxially set
It sets, and the upper end of roller gear shaft passes through the fifth hole and the disk lower surface circle centre position to be connected；
The sector gear and roller gear engagement；
Described connecting rod one end and the sliding block are hinged, and the other end and the sector gear are hinged；
The shaft coupling, sliding block and connecting rod form toggle, for converting the continuous rotation of motor to the past of connecting rod
Multiple movement drives sector gear reciprocally swinging and then drives the reciprocal twist motion of turntable；
The adjusting logging modle includes Hall sensor, machine governor, power module, switch, frequency meter and counter；
The Hall sensor, machine governor, power module are arranged in the shell, the switch, frequency meter, counting
Device is respectively provided on the housing；
The Hall sensor is connected with the frequency meter, counter respectively, and the rotating speed for incuding the driving motor simultaneously will
It passes to the frequency meter and counter；
The frequency meter is used to calculate the torsional frequency of flexible wire torsional fatigue test device and is shown；
The counter is for being counted and being shown to the number of torsions of flexible wire torsional fatigue test device；
The output end of the machine governor is connected with the driving motor, adjusting knob by the 6th through-hole it is exposed
Outside the shell, the rotating speed for adjusting the driving motor；
The power module by it is described switch respectively with the Hall sensor, machine governor, frequency meter, counter phase
Even, for powering；
The switch is for being turned on and off flexible wire torsional fatigue test device.
As a kind of further prioritization scheme of flexible wire torsional fatigue test device of the present invention, the shell is in rectangular
Body which is provided with several ventilation holes for heat dissipation.
As a kind of further prioritization scheme of flexible wire torsional fatigue test device of the present invention, the first locking machine
Structure, the second lockable mechanism include locking screw hole and locking bolt；Wherein, the locking screw hole setting of first lockable mechanism exists
It is connected with the first through hole on the side of the slide plate；The locking screw hole of second lockable mechanism is arranged in the cunning
On block so that the locking bolt of the second lockable mechanism can be against across the sliding block on the upper surface of the shaft coupling.
The present invention has the following technical effects using above technical scheme is compared with the prior art：
1. the easy torsional fatigue test into row conductor can be carried out；
2. conducting wire self-clamping module makes conducting wire be disposed vertically, conductive line bends load caused by gravity is avoided, test load is accurately controlled
And clamping is simple, testpieces easy to disassemble；
3. test frequency (0Hz ~ 60Hz) is adjustable, frequency adjusts accurate simplicity and adjustable range is wide, shortens test period, and
And by adjust test frequency, avoid the intrinsic frequency of conducting wire and machine, avoid the conducting wire additional deformation caused by resonance with
And noise and abrasion caused by element part vibration；
4. test load is adjustable, conducting wire windup-degree can be by adjusting eccentric wheel at a distance from motor output shaft（Pass through second
Position of the lockable mechanism adjusting slider on the sliding slot of shaft coupling upper surface）It is adjusted, the torsion that can be carried out under different loads is tired
Labor is tested；And the transmission mechanism of toggle and gear mechanism composition is accurate, efficient and long lifespan.
5. can be to automatically recording conducting wire torsional fatigue test number；
6. can display real-time current test frequency（Counter is coordinated to realize accurate counting）；
7. low in energy consumption simple in structure, noise is small, long lifespan, manufacture, easy to maintain.
Description of the drawings
Fig. 1 is the dimensional structure diagram of the present invention；
Fig. 2 is the left view of the present invention；
Fig. 3 is the structural schematic diagram of torsion modulus in the present invention.
In figure, 1- shells, the second columns of 2-, 3- top plates, 4- slide plates, 5- turntables, the second conductor grips of 6-, to be tested soft of 7-
Property conducting wire, the 6th through-holes of 8-, 9- switch, 10- frequency meters, 11- counters, 12- ventilation holes, the first conductor grips of 13-, 14- partition boards,
15- roller gears, 16- sector gears, 17- connecting rods, 18- shaft couplings, the sliding slot on 19- shaft couplings upper surface, 20- sliding blocks, 21-
Driving motor, 22- power modules, 23- machine governors.
Specific implementation mode
Technical scheme of the present invention is described in further detail below in conjunction with the accompanying drawings：
The present invention can be embodied in many different forms, and should not be assumed that be limited to the embodiments described herein.On the contrary, providing
These embodiments will give full expression to the scope of the present invention to keep the disclosure thoroughly and complete to those skilled in the art.
In the accompanying drawings, for the sake of clarity it is exaggerated component.
It will be appreciated that though term first, second, third, etc., which may be used herein, describes each element, component and/or portion
Point, but these elements, component and/or part should not be limited by these terms.These terms be used only for by element, component and/or
Part mutually distinguishes.Therefore, first element discussed below, component and/or part without departing substantially from the present invention before imparting knowledge to students
Second element, component or part can be become by putting.
As shown in Figure 1, Figure 2, Figure 3 shows, the invention discloses a kind of flexible wire torsional fatigue test device, including shell,
Conducting wire self-clamping module, torsion modulus and adjusting logging modle；
The conducting wire self-clamping module includes first to third column, top plate, slide plate and turntable；
The top plate, slide plate, turntable are in the form of annular discs, are from top to bottom coaxially disposed；Wherein, the edge of the slide plate is uniformly provided with
First passes through to third through-hole, for described first to third column；
Described first is arranged in parallel to third column, and lower end is connected with the shell, pass through the slide plate and upper end and institute
Upper plate is stated to be connected；
The slide plate is equipped with the first lockable mechanism so that the slide plate can slide up and down simultaneously along described first to third column
Carry out locking；
The circle centre position of the slide plate lower surface is equipped with the first conductor grip, and the circle centre position of the disk upper surface is equipped with the second conducting wire
Folder, first conductor grip, the second conductor grip are used to coordinate the flexible wire for being fixed for experiment；
Partition board is equipped in the shell, the partition board is equipped with fourth hole；The shell is equipped with fifth hole and the 6th and leads to
Hole.
As shown in figure 3, the torsion modulus is arranged in the shell, including driving motor, shaft coupling, connecting rod, sector
Gear and roller gear；
The driving motor is fixed in the shell, and output shaft passes through the lower end of the fourth hole and the shaft coupling solid
Even；
The upper surface of the shaft coupling is equipped with sliding slot, and sliding block is equipped in the sliding slot, and the sliding block is equipped with the second locking machine
Structure so that the sliding block can be free to slide along the sliding slot and carries out locking；
The sector gear, roller gear are arranged on the partition board, wherein the roller gear and the turntable are coaxially set
It sets, and the upper end of roller gear shaft passes through the fifth hole and the disk lower surface circle centre position to be connected；
The sector gear and roller gear engagement；
Described connecting rod one end and the sliding block are hinged, and the other end and the sector gear are hinged；
The shaft coupling, sliding block and connecting rod form toggle, for converting the continuous rotation of motor to the past of connecting rod
Multiple movement drives sector gear reciprocally swinging and then drives the reciprocal twist motion of turntable；
The adjusting logging modle includes Hall sensor, machine governor, power module, switch, frequency meter and counter；
The Hall sensor, machine governor, power module are arranged in the shell, the switch, frequency meter, counting
Device is respectively provided on the housing；
The Hall sensor is connected with the frequency meter, counter respectively, and the rotating speed for incuding the driving motor simultaneously will
It passes to the frequency meter and counter；
The frequency meter is used to calculate the torsional frequency of flexible wire torsional fatigue test device and is shown；
The counter is for being counted and being shown to the number of torsions of flexible wire torsional fatigue test device；
The output end of the machine governor is connected with the driving motor, adjusting knob by the 6th through-hole it is exposed
Outside the shell, the rotating speed for adjusting the driving motor；
The power module by it is described switch respectively with the Hall sensor, machine governor, frequency meter, counter phase
Even, for powering；
The switch is for being turned on and off flexible wire torsional fatigue test device.
The shell is in cuboid, which is provided with several ventilation holes for heat dissipation.
First lockable mechanism, the second lockable mechanism include locking screw hole and locking bolt；Wherein, first lock
The locking screw hole of locking mechanism is arranged on the side of the slide plate and the first through hole is connected；Second lockable mechanism
Locking screw hole be arranged on the sliding block so that described in the locking bolt of the second lockable mechanism can be against across the sliding block
On the upper surface of shaft coupling.
In practical applications, shell can be by front side board, back side panel, left plate, right plate, upper cover plate and lower plate structure
At box like structure, partition board is linked together by six roots of sensation partition board column with upper cover plate, to support connecting rod, sector gear, circle
Stud wheel.Speed governing hole is provided with above right plate, the knob of the machine governor for being connect with motor driver exposes.Left side
Plate, right plate are provided with ventilation hole, the ventilation and heat for driving motor, power module and machine governor.Knot of the present invention
Structure simple and compact, production, maintenance cost are low.
In practical applications, the connection type of connecting rod and sector gear is more flexible, can directly by one end of connecting rod and
The covering of the fan of sector gear is hinged；One swing bar, the swing bar can also be set on the covering of the fan at sector gear shaft
Preferentially it is arranged on the central axes of sector gear covering of the fan, is then again hinged one end of connecting rod and the swing bar.
Using the second way in Fig. 3.
Slide plate is adjusted to suitable position before the test so that need the flexible wire tested placement and tight, side vertically
Just it is loaded.Pass through the length for sliding up and down the flexible wire tested so as to adjust needs of upper slide.This mode is kept
Conducting wire is placed vertically, and excluding gravity influences so that test section length adjustment is convenient, can carry out the conducting wire experiment of different lengths.
By position of the second lockable mechanism adjusting slider on the sliding slot of shaft coupling upper surface, the movement of connecting rod can be adjusted
Amplitude, and then change the rotational angle of sector gear, change the windup-degree of conducting wire, carries out the torsional fatigue examination of different amplitudes
It tests.This mode adjusts simplicity, sliding friction is not present during experiment, transmission efficiency, component wear is small, and long lifespan makes
With conveniently.
The rotating speed that driving motor is directly adjusted by machine governor, it is this to adjust the torsional frequency of flexible wire
Mode is easy directly, and controls accurately, conveniently avoids the resonant frequency of machine and testpieces.
Those skilled in the art of the present technique are it is understood that unless otherwise defined, all terms used herein（Including skill
Art term and scientific terminology）With meaning identical with the general understanding of the those of ordinary skill in fields of the present invention.Also
It should be understood that those terms such as defined in the general dictionary should be understood that with in the context of the prior art
The consistent meaning of meaning, and unless defined as here, will not be explained with the meaning of idealization or too formal.
Above-described specific implementation mode has carried out further the purpose of the present invention, technical solution and advantageous effect
It is described in detail, it should be understood that the foregoing is merely the specific implementation mode of the present invention, is not limited to this hair
Bright, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should be included in the present invention
Protection domain within.
Claims (3)
1. a kind of flexible wire torsional fatigue test device, which is characterized in that include shell, conducting wire self-clamping module, torsion modulus
With adjusting logging modle；
The conducting wire self-clamping module includes first to third column, top plate, slide plate and turntable；
The top plate, slide plate, turntable are in the form of annular discs, are from top to bottom coaxially disposed；Wherein, the edge of the slide plate is uniformly provided with
First passes through to third through-hole, for described first to third column；
Described first is arranged in parallel to third column, and lower end is connected with the shell, pass through the slide plate and upper end and institute
Upper plate is stated to be connected；
The slide plate is equipped with the first lockable mechanism so that the slide plate can slide up and down simultaneously along described first to third column
Carry out locking；
The circle centre position of the slide plate lower surface is equipped with the first conductor grip, and the circle centre position of the disk upper surface is equipped with the second conducting wire
Folder, first conductor grip, the second conductor grip are used to coordinate the flexible wire for being fixed for experiment；
Partition board is equipped in the shell, the partition board is equipped with fourth hole；The shell is equipped with fifth hole and the 6th and leads to
Hole；
The torsion modulus is arranged in the shell, including driving motor, shaft coupling, connecting rod, sector gear and roller gear；
The driving motor is fixed in the shell, and output shaft passes through the lower end of the fourth hole and the shaft coupling solid
Even；
The upper surface of the shaft coupling is equipped with sliding slot, and sliding block is equipped in the sliding slot, and the sliding block is equipped with the second locking machine
Structure so that the sliding block can be free to slide along the sliding slot and carries out locking；
The sector gear, roller gear are arranged on the partition board, wherein the roller gear and the turntable are coaxially set
It sets, and the upper end of roller gear shaft passes through the fifth hole and the disk lower surface circle centre position to be connected；
The sector gear and roller gear engagement；
Described connecting rod one end and the sliding block are hinged, and the other end and the sector gear are hinged；
The shaft coupling, sliding block and connecting rod form toggle, for converting the continuous rotation of motor to the past of connecting rod
Multiple movement drives sector gear reciprocally swinging and then drives the reciprocal twist motion of turntable；
The adjusting logging modle includes Hall sensor, machine governor, power module, switch, frequency meter and counter；
The Hall sensor, machine governor, power module are arranged in the shell, the switch, frequency meter, counting
Device is respectively provided on the housing；
The Hall sensor is connected with the frequency meter, counter respectively, and the rotating speed for incuding the driving motor simultaneously will
It passes to the frequency meter and counter；
The frequency meter is used to calculate the torsional frequency of flexible wire torsional fatigue test device and is shown；
The counter is for being counted and being shown to the number of torsions of flexible wire torsional fatigue test device；
The output end of the machine governor is connected with the driving motor, adjusting knob by the 6th through-hole it is exposed
Outside the shell, the rotating speed for adjusting the driving motor；
The power module by it is described switch respectively with the Hall sensor, machine governor, frequency meter, counter phase
Even, for powering；
The switch is for being turned on and off flexible wire torsional fatigue test device.
2. flexible wire torsional fatigue test device according to claim 1, which is characterized in that the shell is in rectangular
Body which is provided with several ventilation holes for heat dissipation.
3. flexible wire torsional fatigue test device according to claim 1, which is characterized in that the first locking machine
Structure, the second lockable mechanism include locking screw hole and locking bolt；Wherein, the locking screw hole setting of first lockable mechanism exists
It is connected with the first through hole on the side of the slide plate；The locking screw hole of second lockable mechanism is arranged in the cunning
On block so that the locking bolt of the second lockable mechanism can be against across the sliding block on the upper surface of the shaft coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810794151.7A CN108801810A (en) | 2018-07-19 | 2018-07-19 | A kind of flexible wire reverse torsion machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810794151.7A CN108801810A (en) | 2018-07-19 | 2018-07-19 | A kind of flexible wire reverse torsion machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108801810A true CN108801810A (en) | 2018-11-13 |
Family
ID=64077422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810794151.7A Pending CN108801810A (en) | 2018-07-19 | 2018-07-19 | A kind of flexible wire reverse torsion machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108801810A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110044697A (en) * | 2019-04-12 | 2019-07-23 | 中国人民解放军总参谋部第六十研究所 | Tension-torsion fatigue experimental device |
| CN110954416A (en) * | 2019-12-17 | 2020-04-03 | 江西金酷科技有限公司 | Spring test device and test method thereof |
| CN111504810A (en) * | 2020-04-30 | 2020-08-07 | 黄山学院 | Experimental equipment for testing performance of flexible material and testing method thereof |
| CN114323924A (en) * | 2021-12-16 | 2022-04-12 | 东风汽车集团股份有限公司 | Sample fatigue tension and compression loading test device and installation method |
| CN114894632A (en) * | 2022-07-14 | 2022-08-12 | 季华实验室 | Fatigue comprehensive testing machine |
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| CN102636399A (en) * | 2012-03-26 | 2012-08-15 | 南京航空航天大学 | Testing device for testing swing fatigue performance of connecting leads |
| CN103175744A (en) * | 2013-03-01 | 2013-06-26 | 大连德昌线缆有限公司 | Wire twisting performance tester |
| CN205941239U (en) * | 2016-08-19 | 2017-02-08 | 郑州磨料磨具磨削研究所有限公司 | Impact toughness apparatus of stable performance |
| CN207540778U (en) * | 2017-11-30 | 2018-06-26 | 东莞市恒宇仪器有限公司 | A kind of lock testing torsional fatigue machine |
| CN208547548U (en) * | 2018-07-19 | 2019-02-26 | 南京航空航天大学 | A kind of flexible wire reverse torsion machine |
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- 2018-07-19 CN CN201810794151.7A patent/CN108801810A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102636399A (en) * | 2012-03-26 | 2012-08-15 | 南京航空航天大学 | Testing device for testing swing fatigue performance of connecting leads |
| CN103175744A (en) * | 2013-03-01 | 2013-06-26 | 大连德昌线缆有限公司 | Wire twisting performance tester |
| CN205941239U (en) * | 2016-08-19 | 2017-02-08 | 郑州磨料磨具磨削研究所有限公司 | Impact toughness apparatus of stable performance |
| CN207540778U (en) * | 2017-11-30 | 2018-06-26 | 东莞市恒宇仪器有限公司 | A kind of lock testing torsional fatigue machine |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110044697A (en) * | 2019-04-12 | 2019-07-23 | 中国人民解放军总参谋部第六十研究所 | Tension-torsion fatigue experimental device |
| CN110954416A (en) * | 2019-12-17 | 2020-04-03 | 江西金酷科技有限公司 | Spring test device and test method thereof |
| CN111504810A (en) * | 2020-04-30 | 2020-08-07 | 黄山学院 | Experimental equipment for testing performance of flexible material and testing method thereof |
| CN111504810B (en) * | 2020-04-30 | 2022-10-14 | 黄山学院 | Experimental equipment for testing performance of flexible material and testing method thereof |
| CN114323924A (en) * | 2021-12-16 | 2022-04-12 | 东风汽车集团股份有限公司 | Sample fatigue tension and compression loading test device and installation method |
| CN114894632A (en) * | 2022-07-14 | 2022-08-12 | 季华实验室 | Fatigue comprehensive testing machine |
| CN114894632B (en) * | 2022-07-14 | 2022-09-13 | 季华实验室 | Fatigue comprehensive testing machine |
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Application publication date: 20181113 |