CN109632493B - Fiber material strength test device - Google Patents
Fiber material strength test device Download PDFInfo
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- CN109632493B CN109632493B CN201910069587.4A CN201910069587A CN109632493B CN 109632493 B CN109632493 B CN 109632493B CN 201910069587 A CN201910069587 A CN 201910069587A CN 109632493 B CN109632493 B CN 109632493B
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- 238000012360 testing method Methods 0.000 title claims abstract description 43
- 239000002657 fibrous material Substances 0.000 title claims abstract description 42
- 230000007246 mechanism Effects 0.000 claims abstract description 35
- 230000005540 biological transmission Effects 0.000 claims description 23
- 238000001514 detection method Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 description 24
- 230000009471 action Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
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- 229910000808 amorphous metal alloy Inorganic materials 0.000 description 1
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- 239000000919 ceramic Substances 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
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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
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- 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
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
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- 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 fiber material strength testing device, which comprises a supporting frame, wherein one end of the supporting frame, which is close to the outer part of a second limiting plate, is fixedly connected with a master controller, the inner side surface of the first limiting plate is uniformly and equidistantly fixedly connected with a limiting clamping mechanism, the top of the second limiting plate and the position corresponding to a limiting clamping groove are respectively provided with a display lamp, the bottom end inside the limiting clamping groove is fixedly connected with a touch pressure sensor, the position, which is close to the lower part, of a cross rod is fixedly connected with a testing driving mechanism, and the position, which is close to the upper part, of the cross rod and the output end of the testing driving mechanism are respectively fixedly connected with a testing clamping mechanism. The test labor force is reduced, and the labor efficiency is improved.
Description
Technical Field
The invention relates to the technical field of new materials, in particular to a fiber material strength test device.
Background
The new material is a structural material with excellent performance and a functional material with special properties which are newly developed or are being developed, the structural material mainly utilizes the mechanical properties of the structural material, such as strength, toughness, hardness, elasticity and the like, such as a novel ceramic material, amorphous alloy (metal glass) and the like, the functional material mainly utilizes the functions and physical effects of the functional material, such as electricity, light, sound, magnetism, heat and the like, and the new material researched and developed in the world mainly comprises a new metal material, fine ceramics, optical fibers and the like in recent years.
The structural material mainly utilizes the mechanical and physical and chemical properties of the material to meet the performance requirements of high strength, high rigidity, high hardness, high temperature resistance, wear resistance, corrosion resistance, irradiation resistance and the like; the functional material mainly utilizes the effects of electricity, magnetism, sound, photothermal and the like of the material to realize certain functions, such as semiconductor material, magnetic material, photosensitive material, thermosensitive material, stealth material, nuclear material for manufacturing atomic bombs and hydrogen bombs and the like, and the new material plays an important role in national defense construction, for example, the development of ultra-pure silicon and gallium arsenide is successful, so that the large-scale and ultra-large-scale integrated circuit is produced, and the operation speed of a computer is increased from dozens of thousands of times per second to more than one billion times per second; the thrust can be increased by 24% when the working temperature of the aeroengine material is increased by 100 ℃; stealth materials can absorb electromagnetic waves or reduce infrared radiation of weaponry, making it difficult for hostile detection systems to find, and the like.
At present, in the research of fiber materials, a worker tests the strength of a new material, so that the test efficiency is low, a large amount of manpower is consumed, meanwhile, the initial state of the material test is influenced by manual test, and the scientificity and the authenticity of test data cannot be met.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a fiber material strength testing device, which solves the problems that in the previous fiber material research, workers test the strength of a new material one by one, so that the testing efficiency is low, a large amount of manpower is consumed, meanwhile, the initial state of a material test is influenced by manual testing, and the scientificity and the authenticity of test data cannot be met.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a fiber material strength test device comprises a support frame, wherein a first limiting plate is rotatably connected to the position, which is located below the inner part of the support frame, a second limiting plate is rotatably connected to the position, which is located above the inner part of the support frame and is symmetrical to the first limiting plate, a master controller is fixedly connected to one end, which is close to the outer part of the second limiting plate, of the support frame, a limiting clamping mechanism is uniformly and equidistantly fixedly connected to the inner side surface of the first limiting plate, a limiting clamping groove is uniformly and equidistantly fixedly connected to the inner side surface of the second limiting plate, a fiber material is arranged between the limiting clamping mechanism and the limiting clamping groove, fiber material ends are arranged at two ends of the fiber material, display lamps are arranged at the top part of the second limiting plate and at positions corresponding to the limiting clamping groove, and a touch pressure sensor is fixedly connected to the bottom end inside the limiting clamping groove, the right side fixedly connected with horizontal pole of support frame, the horizontal pole is close to the experimental actuating mechanism of the position fixedly connected with of below, the horizontal pole is close to the position of top and the experimental clamping mechanism of the equal fixedly connected with of output of experimental actuating mechanism, the support frame is close to the first motor of one side fixedly connected with of first limiting plate, the first action wheel of fixedly connected with on the output shaft of first motor, the axle center department fixedly connected with of first limiting plate one side is first from the driving wheel, first from driving wheel through first belt and first action wheel transmission be connected.
Preferably, the limiting clamping mechanism comprises an outer support, the bottom end of the outer support is fixedly connected with the first limiting plate, an auxiliary inner groove is formed in the right side of the inner portion of the outer support, and a limiting sliding block is connected to the inner portion of the auxiliary inner groove in a sliding mode.
Preferably, one side of the limiting sliding block, which is close to the outside, is fixedly connected with an adjusting gear, and a limiting gear is fixedly connected to the position, corresponding to the adjusting gear, inside the auxiliary inner groove.
Preferably, one side of the limiting slide block, which is positioned outside the auxiliary inner groove, is connected with a second circular clamping groove.
Preferably, the left side of the outer support is fixedly connected with a moving groove, an internal thread sleeve block is slidably connected inside the moving groove, and a screw rod penetrates through the internal thread sleeve block and is in threaded connection with the internal thread sleeve block.
Preferably, the left side terminal surface fixedly connected with hand rocker of lead screw, the lead screw is kept away from the first circular clamp groove of one end fixedly connected with of hand rocker.
Preferably, experimental actuating mechanism includes transmission threaded rod, the right side at transmission threaded rod both ends all with horizontal pole fixed connection, the surface cover of transmission threaded rod is established and threaded connection has the removal thread sleeve piece, one side and the experimental clamping mechanism fixed connection of removal thread sleeve piece.
Preferably, the surface of the cross rod is fixedly connected with a second motor below the transmission threaded rod, a second driving wheel is fixedly connected to an output shaft of the second motor, a second driven wheel is fixedly connected to the axis of the bottom end of the transmission threaded rod, and the second driven wheel is in transmission connection with the second driving wheel through a second belt.
Preferably, experimental clamping mechanism is including detecting the shell, detect the inside supplementary clamp splice of left side fixedly connected with of shell, the right side intermediate position fixedly connected with hydraulic telescoping rod that detects the shell, the supplementary clamp splice of hydraulic telescoping rod's output fixedly connected with.
Preferably, the output end of the touch pressure sensor is connected with a master controller, and the output end of the master controller is connected with a display lamp.
(III) advantageous effects
The invention provides a fiber material strength test device. The method has the following beneficial effects:
(1) the fiber material strength test device comprises a fiber material clamping groove, a hand-operated rod, a touch pressure sensor, a master controller, a display lamp, a first belt, a second belt, a first limiting plate, a second limiting plate, a third belt, a fourth belt, a fifth belt, a sixth belt, a fifth, the automatic feeding of the fiber strength test is achieved, the same initial tension of the strength test of each fiber material is guaranteed, and the test accuracy and the authenticity are improved.
(2) This fiber material intensity test device, through when fiber material carries and detects the shell inside, hydraulic telescoping rod stretches out outwards, press from both sides tight fiber material both ends through supplementary clamp splice and supplementary clamp splice, the second motor work this moment, the second motor drives the rotation of drive threaded rod through the second belt, thereby drive threaded rod realizes that fiber material's both ends are tensile through removing the thread sleeve piece, it is experimental to accomplish, the mechanical automation ability that improves the experiment has been reached, reduce experimental labour, the purpose of improvement labor efficiency.
Drawings
FIG. 1 is a top view of the present invention as a whole;
FIG. 2 is a schematic view of a first limiting plate according to the present invention;
FIG. 3 is a schematic view of a second limiting plate according to the present invention;
FIG. 4 is a schematic diagram of a restricted card slot of the present invention;
FIG. 5 is a schematic diagram of the restraining clamp mechanism of the present invention;
FIG. 6 is a schematic view of the structure of the present invention at A;
FIG. 7 is a schematic structural view of a test drive mechanism of the present invention;
FIG. 8 is a schematic structural view of a test fixture of the present invention;
fig. 9 is a block diagram showing the structure of a sensor element according to the present invention.
In the figure: 1 support frame, 2 first limiting plates, 3 second limiting plates, 4 general controllers, 5 limiting clamping mechanisms, 501 outer supports, 502 auxiliary inner grooves, 503 limiting sliding blocks, 504 adjusting gears, 505 limiting gears, 506 second circular clamping grooves, 507 moving grooves, 508 internal thread sleeve blocks, 509 lead screws, 510 hand levers, 511 first circular clamping grooves, 6 limiting clamping grooves, 7 fiber materials, 8 display lamps, 9 touch pressure sensors, 10 fiber material ends, 11 cross rods, 12 test driving mechanisms, 121 transmission threaded rods, 122 moving threaded sleeve blocks, 123 second motors, 124 second driving wheels, 125 second driven wheels, 126 second belts, 13 test clamping mechanisms, 131 detection shells, 132 auxiliary clamping blocks, 133 hydraulic telescopic rods, 134 auxiliary clamping blocks, 14 first motors, 15 first driving wheels, 16 first driven wheels and 17 first belts.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
Referring to fig. 1-9, the present invention provides a technical solution: a fiber material strength test device comprises a support frame 1, a first limiting plate 2 is rotatably connected at the position, located below, inside the support frame 1, a second limiting plate 3 is rotatably connected at the position, located above and symmetrical to the first limiting plate 2, of the support frame 1, a master controller 4 is fixedly connected at one end, close to the outside of the second limiting plate 3, of the support frame 1, a limiting clamping mechanism 5 is uniformly and equidistantly fixedly connected to the inner side surface of the first limiting plate 2, a limiting clamping groove 6 is uniformly and equidistantly fixedly connected to the inner side surface of the second limiting plate 3, a fiber material 7 is arranged between the limiting clamping mechanism 5 and the limiting clamping groove 6, fiber material end heads 10 are arranged at two ends of the fiber material 7, display lamps 8 are arranged at the top of the second limiting plate 3 and at positions corresponding to the limiting clamping groove 6, and a touch pressure sensor 9 is fixedly connected at the bottom end inside the limiting clamping groove 6, the right side of support frame 1 is fixedly connected with horizontal pole 11, the position fixedly connected with experimental actuating mechanism 12 that horizontal pole 11 is close to the below, the equal fixedly connected with of position that horizontal pole 11 is close to the top and experimental actuating mechanism 12's output end is experimental clamping mechanism 13, support frame 1 is close to one side fixedly connected with first motor 14 of first limiting plate 2, fixedly connected with first action wheel 15 on the output shaft of first motor 14, the first driven wheel 16 of axle center department fixedly connected with of first limiting plate 2 one side, first driven wheel 16 is connected with first action wheel 15 transmission through first belt 17, restriction chucking mechanism 5 includes outer support 501, the bottom and the first limiting plate 2 fixed connection of outer support 501, the inside right side of outer support 501 is provided with supplementary inside groove 502, the inside sliding connection of supplementary inside groove 502 has restriction slider 503. An adjusting gear 504 is fixedly connected to one side, close to the outside, of the limiting slider 503, a limiting gear 505 is fixedly connected to the position, corresponding to the adjusting gear 504, inside the auxiliary inner groove 502, a second circular clamping groove 506 is connected to one side, located outside the auxiliary inner groove 502, of the limiting slider 503, a moving groove 507 is fixedly connected to the left side of the outer support 501, an internal thread sleeve block 508 is slidably connected to the inside of the moving groove 507, a lead screw 509 penetrates through and is in threaded connection with the inside of the internal thread sleeve block 508, a hand lever 510 is fixedly connected to the left end face of the lead screw 509, one end, far away from the hand lever 510, of the lead screw 509 is fixedly connected to a first circular clamping groove 511, the test driving mechanism 12 comprises a transmission threaded rod 121, the right sides of two ends of the transmission threaded rod 121 are fixedly connected to the cross rod 11, a moving threaded sleeve block 122 is sleeved, horizontal pole 11's surface just is located the below fixedly connected with second motor 123 of transmission threaded rod 121, fixedly connected with second action wheel 124 on the output shaft of second motor 123, the axle center department fixedly connected with second from driving wheel 125 of transmission threaded rod 121 bottom, the second is connected with second action wheel 124 transmission through second belt 126 from driving wheel 125, experimental clamping mechanism 13 is including detecting shell 131, the inside supplementary clamp splice 132 of left side fixedly connected with of detecting shell 131, the right side intermediate position fixedly connected with hydraulic telescoping rod 133 of detecting shell 131, the supplementary clamp splice 134 of output fixedly connected with of hydraulic telescoping rod 133, the output and the total controller 4 of touch pressure sensor 9 are connected, the output and the display lamp 8 of total controller 4 are connected.
When the device is used, the fiber material ends 10 fixed at two ends of the fiber material 7 are respectively placed in the limiting clamping groove 6 and the outer support 501, the position of the internal thread sleeve block 508 on the moving groove 507 is moved up and down, the hand lever 510 is rotated, the first circular clamping groove 511 and the second circular clamping groove 506 clamp the fiber material ends 10, the touch pressure sensor 9 senses the tension of the fiber material 7, the master controller 4 controls the change of the color of the display lamp 8, the tension is in a moderate state when the color of the display lamp 8 is yellow, the tension is in a loose state when the color of the display lamp 8 is green, the tension is in an excessive state when the color of the display lamp 8 is red, the positions of the first circular clamping groove 511 and the second circular clamping groove 506 are adjusted until the display lamp 8 is yellow, the first motor 14 is electrically rotated at the moment, the first motor 14 drives the first limiting plate 2 and the second limiting plate 3 to rotate through the first belt 17, realize fibrous material's transport, the autonomic pay-off of fibre strength test has been reached, guarantee simultaneously that every fibrous material strength test's initial tension is the same, improve the purpose of experimental accuracy and authenticity, through when fibrous material carries and detects the shell 131 inside, hydraulic telescoping rod 133 stretches out outwards, press from both sides tight fibrous material both ends through supplementary clamp splice 132 and supplementary clamp splice 134, second motor 123 work this moment, second motor 123 drives transmission threaded rod 121 through second belt 126 and rotates, thereby transmission threaded rod 121 realizes the both ends of fibrous material tensile through removing threaded sleeve piece 122, accomplish the experiment, the mechanical automation ability that has reached the improvement experiment, reduce experimental labour, the purpose of improvement labor efficiency.
It is to be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action, without necessarily requiring or implying any such actual relationship or order between such entities or operations, furthermore, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements, but also includes other elements not expressly listed or inherent to such process, method, article, or apparatus, without further limitation, an element defined by the phrase "comprising one.. may, it does not exclude the presence of additional identical elements in a process, method, article or apparatus that comprises a said element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a fiber material strength test device, includes support frame (1), its characterized in that: the device is characterized in that a first limiting plate (2) is rotatably connected to the position, located below the inner part of the support frame (1), a second limiting plate (3) is rotatably connected to the position, located below the inner part of the support frame (1), a main controller (4) is fixedly connected to one end, located outside the second limiting plate (3), of the support frame (1), limiting clamping mechanisms (5) are uniformly and equidistantly fixedly connected to the inner side surface of the first limiting plate (2), limiting clamping grooves (6) are uniformly and equidistantly fixedly connected to the inner side surface of the second limiting plate (3), fiber materials (7) are arranged between the limiting clamping mechanisms (5) and the limiting clamping grooves (6), fiber material ends (10) are arranged at two ends of the fiber materials (7), display lamps (8) are arranged at the top of the second limiting plate (3) and in positions corresponding to the limiting clamping grooves (6), the bottom end inside the limiting clamping groove (6) is fixedly connected with a touch pressure sensor (9), the right side of the support frame (1) is fixedly connected with a cross rod (11), the position, close to the lower part, of the cross rod (11) is fixedly connected with a testing driving mechanism (12), the position, close to the upper part, of the cross rod (11) and the output end of the testing driving mechanism (12) are both fixedly connected with a testing clamping mechanism (13), one side, close to the first limiting plate (2), of the support frame (1) is fixedly connected with a first motor (14), the output shaft of the first motor (14) is fixedly connected with a first driving wheel (15), a first driven wheel (16) is fixedly connected to the axis of one side of the first limiting plate (2), and the first driven wheel (16) is in transmission connection with the first driving wheel (15) through a first belt (17; the limiting clamping mechanism (5) comprises an outer support (501), the bottom end of the outer support (501) is fixedly connected with the first limiting plate (2), an auxiliary inner groove (502) is arranged on the right side inside the outer support (501), and a limiting sliding block (503) is connected inside the auxiliary inner groove (502) in a sliding mode; an adjusting gear (504) is fixedly connected to one side, close to the outside, of the limiting slide block (503), and a limiting gear (505) is fixedly connected to the position, corresponding to the adjusting gear (504), in the auxiliary inner groove (502); one side of the limiting sliding block (503) positioned outside the auxiliary inner groove (502) is connected with a second circular clamping groove (506); a moving groove (507) is fixedly connected to the left side of the outer support (501), an internal thread sleeve block (508) is connected to the inside of the moving groove (507) in a sliding mode, and a screw rod (509) penetrates through the inside of the internal thread sleeve block (508) and is connected with the screw rod in a threaded mode; the left side terminal surface fixedly connected with hand rocking bar (510) of lead screw (509), the one end fixedly connected with first circular clamp groove (511) of hand rocking bar (510) are kept away from in lead screw (509).
2. The fiber material strength testing device according to claim 1, wherein: experimental actuating mechanism (12) are including transmission threaded rod (121), the right side at transmission threaded rod (121) both ends all with horizontal pole (11) fixed connection, the surface cover of transmission threaded rod (121) is established and threaded connection has removal screw thread cover piece (122), remove one side and experimental clamping mechanism (13) fixed connection of screw thread cover piece (122).
3. A fiber material strength testing device according to claim 2, characterized in that: the surface of the cross rod (11) is fixedly connected with a second motor (123) below the transmission threaded rod (121), an output shaft of the second motor (123) is fixedly connected with a second driving wheel (124), a second driven wheel (125) is fixedly connected with the axis of the bottom end of the transmission threaded rod (121), and the second driven wheel (125) is in transmission connection with the second driving wheel (124) through a second belt (126).
4. The fiber material strength testing device according to claim 1, wherein: the test clamping mechanism (13) comprises a detection shell (131), an auxiliary clamping block (132) fixedly connected to the left side inside the detection shell (131), a hydraulic telescopic rod (133) fixedly connected to the middle position of the right side of the detection shell (131), and an auxiliary clamping block (134) fixedly connected to the output end of the hydraulic telescopic rod (133).
5. The fiber material strength testing device according to claim 1, wherein: the output end of the touch pressure sensor (9) is connected with the master controller (4), and the output end of the master controller (4) is connected with the display lamp (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910069587.4A CN109632493B (en) | 2019-01-24 | 2019-01-24 | Fiber material strength test device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910069587.4A CN109632493B (en) | 2019-01-24 | 2019-01-24 | Fiber material strength test device |
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| CN109632493A CN109632493A (en) | 2019-04-16 |
| CN109632493B true CN109632493B (en) | 2021-06-04 |
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| CN201083659Y (en) * | 2007-03-27 | 2008-07-09 | 高荣村 | Pull test machine |
| CN103802112B (en) * | 2014-01-27 | 2015-10-28 | 东华大学 | A kind of tensile fiber tester automatic Feeder Manipulator device and control method thereof |
| CN203758844U (en) * | 2014-04-23 | 2014-08-06 | 河海大学 | Fatigue testing machine for stay cable of cable-stayed bridge |
| CN105606453B (en) * | 2016-03-14 | 2017-12-22 | 北京航空航天大学 | A kind of large-sized composite material beanpod bar is compressed axially the test system of performance |
| CN205656070U (en) * | 2016-04-05 | 2016-10-19 | 西南交通大学 | Fibre tensile testing device |
| CN106442130B (en) * | 2016-09-09 | 2019-02-26 | 哈尔滨工程大学 | One kind more FRP tendons durability experimental devices under marine environment and action of pulling stress |
| CN206615869U (en) * | 2017-03-23 | 2017-11-07 | 新凤鸣集团湖州中石科技有限公司 | Yarn winding apparatus |
| CN107677549A (en) * | 2017-09-21 | 2018-02-09 | 方乐 | A kind of tensile strength test equipment of GSZ |
| CN207816722U (en) * | 2017-12-29 | 2018-09-04 | 宜兴市飞舟高新科技材料有限公司 | Aramid fiber device for testing tensile force |
| CN108593431B (en) * | 2018-03-16 | 2020-11-10 | 山东天智信息科技有限公司 | Printer typewriter ribbon interface stretching resistance detection device |
| CN108674029A (en) * | 2018-03-22 | 2018-10-19 | 湖州吴兴旭诚塑料制品有限公司 | A kind of Bulk plastic plate production overturning spray code spraying apparatus |
| CN208091819U (en) * | 2018-05-04 | 2018-11-13 | 内蒙古建筑职业技术学院 | A kind of test specimen tensile test equipment clamping device |
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