CN115326573A - Tensile test device of bio-based material - Google Patents
Tensile test device of bio-based material Download PDFInfo
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- CN115326573A CN115326573A CN202211233084.4A CN202211233084A CN115326573A CN 115326573 A CN115326573 A CN 115326573A CN 202211233084 A CN202211233084 A CN 202211233084A CN 115326573 A CN115326573 A CN 115326573A
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- 239000000463 material Substances 0.000 title claims abstract description 167
- 238000009864 tensile test Methods 0.000 title claims abstract description 31
- 238000012360 testing method Methods 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims description 48
- 238000001125 extrusion Methods 0.000 claims description 28
- 238000009434 installation Methods 0.000 claims description 13
- 230000008602 contraction Effects 0.000 description 9
- 238000002474 experimental method Methods 0.000 description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 239000002699 waste material Substances 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
- 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
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
- G01N3/068—Special adaptations of indicating or recording means with optical indicating or recording means
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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
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
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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
-
- 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
- G01N2203/003—Generation of the force
- G01N2203/005—Electromagnetic means
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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
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/0641—Indicating or recording means; Sensing means using optical, X-ray, ultraviolet, infrared or similar detectors
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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 tensile test device of a bio-based material, which comprises: the invention relates to the field of bio-based materials, and provides a tensile test device for bio-based materials, which is used for solving the problem that the problem of inaccurate result is caused by that local stretching is generated by continuous mechanical stretching after two ends of the provided device for testing the tensile property of the bio-based materials are clamped by clamps at most and then the two ends of the clamps are clamped.
Description
Technical Field
The invention relates to the field of bio-based materials, in particular to a tensile test device of a bio-based material.
Background
The publication number CN216695854U discloses a tensile test device for bio-based materials, which comprises a machine body, wherein a display screen is arranged in a wall body at the front end of the machine body, a plurality of adjusting buttons are further arranged in a wall body at the lower position of the display screen at the front end of the machine body, a lifting column is arranged on a wall body at the rear end of the top of the machine body, a lifting seat is arranged on a wall body above the front end of the lifting column, a fixed seat is further arranged on a wall body at the front position of the lifting column at the top of the machine body, and clamping mechanisms are further respectively arranged on the wall body at the bottom of the lifting seat and the wall body at the top of the fixed seat;
the bio-based material products mainly refer to lignocellulose agricultural and forestry wastes such as straws except for grains, and the bio-based material products mainly comprise: the tensile testing machine is used for testing mechanical stress for mechanical performance tests such as static load, stretching, compression, bending, shearing, tearing, peeling and the like of instruments and equipment aiming at various materials, however, most of the existing devices for testing the tensile performance of materials are used for clamping two ends of a clamp and then continuously mechanically stretching, and local stretching is generated, so that the result is not accurate.
Disclosure of Invention
Aiming at the defects of the prior art, the technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a tensile test device of a bio-based material, which comprises:
the guide rod is arranged in the frame, the guide rods are symmetrically arranged in the frame, the sliding part is arranged on the outer surface of each guide rod, the outer surface of each guide rod is connected with two ends of the corresponding sliding part in a sliding mode, the motor is arranged on the outer surface of the frame, the outer surface of the frame is fixedly connected with the inner wall of the motor, and one end, close to the frame, of the motor is fixedly connected with the screw rod;
the observation component is arranged in the frame, the observation component is positioned at the top end in the frame, the clamping component is arranged at the left end of the frame, and the left end of the frame is fixedly connected with the left end of the clamping component;
the sliding part comprises a moving cylinder, the bio-based material is stretched by arranging the sliding part, the outer surface of the moving cylinder is sleeved with an adjusting part, adjusting rods are symmetrically arranged at the top of the adjusting part, the top of the adjusting part is in contact with the outer surface of the adjusting rod, the tensile property of the bio-based material is detected by the rotation time of a screw and the stretching degree of the bio-based material, the position of the extrusion plate can be adjusted by using the adjusting part arranged in the sliding part, so that the extrusion plate is convenient and fast to extrude the bio-based material, and the extrusion plate is fixedly connected to the opposite side of the adjusting rod;
biological base material is when carrying out the tensile experiment, at first utilize the centre gripping part to carry out the centre gripping with biological base material one end, pass the observation part with biological base material afterwards, fix the other end of biological base material on the sliding part, utilize the position of the regulating lever control stripper plate that sets up on the sliding part, make the stripper plate cooperation use carry out the centre gripping to the other end of biological base material, utilize motor drive screw to rotate afterwards, lead to the screw rod to drive the sliding part and remove, make the sliding part stretch to biological base material, and then utilize the observation part to carry out real-time observation to the tensile position of biological base material.
The observation component comprises a support frame, the biological base material can be observed in real time during a tensile experiment by arranging the observation component, a side plate is fixedly connected to the top of the support frame, positioning rods are symmetrically arranged on the top of the side plate, the top of the side plate is fixedly connected with two ends of the positioning rods, a shielding plate is arranged on the outer surface of the positioning rod, the observation component can be used for avoiding the situation that the biological base material is cracked when in use, the outer surface of the positioning rod is rotatably connected with the inner wall of the shielding plate, a convex lens is arranged below the shielding plate, two ends of the convex lens are fixedly connected with the inner wall of the side plate, transmission components are symmetrically arranged inside the support frame, the inner wall of the support frame is in contact with two ends of the transmission components, bulges are arranged on the outer surface of the support frame, the inner walls of the bulges are fixedly connected with the outer surface of the support frame, limiting rods are symmetrically arranged inside the support frame, and the inner wall of the support frame is in contact with the outer surface of the limiting rods;
observe the tensile back of biobased material when observing the part and using, judge the tensile properties of biobased material, transmission part at observation part both ends symmetry setting can carry out auxiliary transmission to biobased material for biobased material moves along transmission part when stretching, utilizes the protruding control observation part's that the observation part both ends set up position afterwards, makes the tensile region of biobased material move under the observation part, makes the observation part observe through convex lens when using.
The clamping component comprises a fixing plate, one end of the bio-based material can be clamped and fixed by arranging the clamping component, so that the bio-based material can only receive transverse tension when being subjected to a tensile test, a clamping frame is arranged on the outer surface of the fixing plate, accommodating plates are symmetrically arranged on the outer surface of the clamping frame, the outer surface of the clamping frame is fixedly connected with the inner walls of the accommodating plates, a contraction rod is connected to the bottom of the clamping frame in a sliding manner, one end, far away from the fixing plate, of the contraction rod is meshed with a gear, one end, far away from the fixing plate, of the biological-based material is clamped and fixed by the adjusting component when the adjusting component is used, so that the stability of the bio-based material is guaranteed when the tensile test is carried out, the outer surface of the gear is rotatably connected with an auxiliary component, auxiliary rods are symmetrically arranged inside the accommodating plates, the inner walls of the accommodating plates are sleeved with the outer surfaces of the auxiliary rods, the number of the auxiliary rods is two, and one ends, far away from the accommodating plates, of the auxiliary rods are rotatably connected with the inner walls of the adjusting component;
clamping part utilizes the shrink pole that clamping frame bottom set up to shrink when using, and then makes the shrink pole mesh the gear for the gear drives adjusting part and rotates, and adjusting part auxiliary rod supports adjusting part when rotating, utilizes adjusting part to carry out the centre gripping to the one end of biological base material afterwards and fixes, uses according to the shrink pole and the gear cooperation that set up in the clamping part, can control the distance between two adjusting part.
The adjusting part comprises a sleeve, the position of the stress plate can be controlled by arranging the adjusting part, so that the position of the stress plate can be adjusted when the stress plate is used, sliding cylinders are symmetrically arranged on the outer surface of the sleeve, the outer surface of the sleeve is fixedly connected with the inner wall of the sliding cylinder, an auxiliary frame is slidably connected to the top of the sliding cylinder, the stress plate is fixedly connected to the top of the auxiliary frame, a moving rod is arranged inside the auxiliary frame, the inner wall of the auxiliary frame is slidably connected with the outer surface of the moving rod, the whole adjusting part can be sleeved on the moving cylinder by using the sleeve arranged inside the adjusting part, then the sliding cylinder slides along a guide rod when the adjusting part works, so that the bio-based material is stretched and deformed to test the tensile property of the bio-based material, an extrusion spring is arranged on the outer surface of the moving rod, the outer surface of the moving rod is in contact with the inner wall of the extrusion spring, the number of the moving rods is two, and the opposite sides of the moving rods are fixedly connected with the outer surface of the sleeve;
because the inside sliding connection of auxiliary frame has the carriage release lever, lead to the auxiliary frame to carry on spacingly to the auxiliary frame with the help of the nut when carrying out the use, and according to auxiliary frame and slip section of thick bamboo top joint for the bottom of auxiliary frame can remove along the slip section of thick bamboo top, lead to the atress board before using, remove the auxiliary frame along the carriage release lever earlier, lead to the auxiliary frame to press extrusion spring, make extrusion spring receive shrink deformation after the extrusion.
The transmission part comprises a moving frame, the transmission part can support a deformation area of the bio-based material, flexible rings are symmetrically arranged inside the moving frame, the inner wall of the moving frame is fixedly connected with the opposite sides of the flexible rings, mounting rods are arranged on the outer surface of the moving frame, the outer surface of the moving frame is fixedly connected with the two ends of the mounting rods, when the transmission part cannot limit the bio-based material, an additional cylinder is clamped on the mounting rods, the top of the bio-based material is limited by the additional cylinder, the outer surface of the mounting rods is provided with the additional cylinder, the outer surface of the mounting rods is in contact with the inner wall of the additional cylinder, the two ends of the additional cylinder are symmetrically provided with the transmission cylinders, and the two ends of the additional cylinder are in contact with the outer surface of the transmission cylinders;
when transmission part its surface need not install a section of thick bamboo additional and transmit biological base material when using, make biological base material when carrying out the tensile experiment, make the tensile region of biological base material under the observation part, and transmission part is located the both ends of observing the part, utilize transmission part bottom and biological base material surface contact afterwards, make biological base material can not receive the resistance when stretching, lead to biological base material can not lead to the test performance error to increase when carrying out the tensile experiment.
The auxiliary component comprises a clamping plate, the biological base material is kept to be placed in parallel when a tensile test is carried out by utilizing the auxiliary component, the situation that the biological base material is difficult to observe in a stretching area due to the height of the left end and the right end when the biological base material is stretched is avoided, a positioning plate is arranged inside the clamping plate, the inner wall of the clamping plate is fixedly connected with the outer surface of the positioning plate, stress springs are symmetrically arranged inside the positioning plate, the inner wall of the positioning plate is fixedly connected with the bottoms of the stress springs, the tops of the stress springs are fixedly connected with sliding plugs, the outer surface of each sliding plug is provided with an attaching plate, the outer surface of each sliding plug is fixedly connected with the inner wall of the attaching plate, adjusting rods are symmetrically arranged at the tops of the positioning plates, and the tops of the positioning plates are slidably connected with the bottoms of the adjusting rods;
when the auxiliary component on the centre gripping part is removing, utilize the cardboard to drive the locating plate and remove, lead to two rigging boards to carry out the centre gripping to the biological base material, and when the biological base material is fixing, can press the sliding plug with the help of the adjusting lever, make the sliding plug slide along the locating plate inner wall, make the sliding plug press the atress spring, make the atress spring receive extrusion back shrink deformation, lead to the sliding plug to drive the rigging board downstream, make the rigging board to the centre gripping height of biological base material can be adjusted along with auxiliary component's regulation.
The invention has the following beneficial effects:
1. according to the invention, the sliding component is arranged to stretch the biological base material, so that when the biological base material is subjected to a tensile test, one end of the biological base material is clamped by the clamping component, then the biological base material passes through the observation component, the other end of the biological base material is fixed on the sliding component, the position of the extrusion plate is controlled by the adjusting rod arranged on the sliding component, the other end of the biological base material is clamped by the extrusion plate in a matched manner, then the screw is driven by the motor to rotate, so that the screw drives the sliding component to move, the sliding component stretches the biological base material, the observation component is further used for observing the stretched part of the biological base material in real time, the tensile property of the biological base material is detected through the rotation time of the screw and the stretching degree of the biological base material, and the position of the extrusion plate can be adjusted by the adjusting component arranged in the sliding component, so that the extrusion plate is convenient and fast to extrude the biological base material.
2. According to the invention, the observation part is arranged, so that the bio-based material can be observed in real time during a tensile test, the observation part can be used for avoiding the situation that the bio-based material is cracked when the observation part is used, the observation part is used for observing the stretched bio-based material and judging the tensile property of the bio-based material, the transmission parts symmetrically arranged at the two ends of the observation part can be used for carrying out auxiliary transmission on the bio-based material, so that the bio-based material moves along the transmission parts when the observation part is stretched, and then the positions of the observation parts are controlled by the bulges arranged at the two ends of the observation part, so that the stretched area of the bio-based material moves to be right below the observation part, and the observation part is used for observing through the convex lens.
3. According to the invention, one end of the bio-based material can be clamped and fixed by arranging the clamping part, so that the bio-based material can only receive transverse tension when being subjected to a tensile test, the clamping part can be contracted by utilizing the contraction rod arranged at the bottom of the clamping frame when in use, and further the contraction rod is meshed with the gear, so that the gear drives the adjusting part to rotate, the adjusting part supports the adjusting part by utilizing the auxiliary rod when rotating, then one end of the bio-based material is clamped and fixed by utilizing the adjusting part, the distance between the two adjusting parts can be controlled according to the matching use of the contraction rod and the gear arranged in the clamping part, one end of the bio-based material is clamped and fixed by the adjusting part when in use, and the stability of the bio-based material is ensured when the tensile test is carried out.
4. According to the invention, the position of the stress plate can be controlled by arranging the adjusting part, so that the position of the stress plate can be adjusted when the stress plate is used, the auxiliary frame can be limited by the aid of the nut when the auxiliary frame is used due to the fact that the movable rod is connected in the auxiliary frame in a sliding mode, the bottom of the auxiliary frame can move along the top of the sliding cylinder according to the fact that the auxiliary frame is connected with the top of the sliding cylinder in a sliding mode, the auxiliary frame moves along the movable rod before the stress plate is used, the auxiliary frame presses the extrusion spring, the extrusion spring contracts and deforms after being extruded, the whole adjusting part can be sleeved on the moving cylinder by the aid of the sleeve arranged in the adjusting part, and then the sliding cylinder slides along the guide rod when the adjusting part works, so that the biological base material deforms after being stretched, and the tensile property of the biological base material is tested.
5. According to the invention, the transmission part is arranged, so that the deformation area of the biological base material can be supported, when the transmission part is used, the surface of the transmission part does not need to be additionally provided with a cylinder to transmit the biological base material, so that the tensile area of the biological base material is right below the observation part when the biological base material is subjected to a tensile test, the transmission part is positioned at two ends of the observation part, and then the bottom of the transmission part is in contact with the surface of the biological base material, so that the biological base material is not subjected to resistance when being stretched, the test performance error of the biological base material cannot be increased when the tensile test is performed, and when the transmission part cannot limit the biological base material, the additionally-arranged cylinder is clamped on the mounting rod, and the top of the biological base material is limited by the additionally-arranged cylinder.
6. According to the invention, by arranging the auxiliary component, when the auxiliary component on the clamping component moves, the clamping plate is utilized to drive the positioning plate to move, so that the two attaching plates clamp the bio-based material, and when the bio-based material is fixed, the sliding plug can be pressed by the aid of the adjusting rod, so that the sliding plug slides along the inner wall of the positioning plate, the sliding plug presses the stressed spring, the stressed spring contracts and deforms after being extruded, so that the sliding plug drives the attaching plates to move downwards, the clamping height of the attaching plates to the bio-based material can be adjusted along with the adjustment of the auxiliary component, the bio-based material is ensured to be kept in parallel placement during a tensile test, and the situation that the tensile region is difficult to observe due to the heights of the left end and the right end of the bio-based material during the tensile test is avoided.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a schematic view of the structure of the sliding member of the present invention;
FIG. 3 is a schematic view of the structure of the viewing member of the present invention;
FIG. 4 is a schematic view of the structure of the stop lever of the present invention;
FIG. 5 is a schematic view of the structure of the clamping member of the present invention;
FIG. 6 is a schematic view of the adjusting member of the present invention;
FIG. 7 is a schematic view of the construction of the transfer unit of the present invention;
FIG. 8 is a schematic view of the construction of the auxiliary member of the present invention;
in the figure: 1. a frame; 2. a sliding member; 3. a motor; 4. a screw; 5. an observation member; 6. a guide bar; 7. a clamping member; 21. an adjustment member; 22. moving the drum; 23. adjusting a rod; 24. a pressing plate; 51. a protrusion; 52. a convex lens; 53. a support frame; 54. a transmission member; 55. a shielding plate; 56. positioning a rod; 57. a side plate; 58. a limiting rod; 71. a fixing plate; 72. a clamping frame; 73. a retraction lever; 74. a gear; 75. an auxiliary component; 76. an auxiliary lever; 77. a receiving plate; 211. a sleeve; 212. a sliding cylinder; 213. a travel bar; 214. an auxiliary frame; 215. extruding the spring; 216. a stress plate; 541. a transfer drum; 542. a movable frame; 543. a flexible ring; 544. mounting a rod; 545. adding a cylinder; 751. a stressed spring; 752. positioning a plate; 753. clamping a plate; 754. an adjusting lever; 755. attaching a plate; 756. a sliding plug.
Detailed Description
The invention is described in further detail below with reference to the drawings and the detailed description. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Example (b):
a tensile test apparatus for bio-based materials according to an embodiment of the present invention will be described below with reference to fig. 1 to 8.
As shown in fig. 1 to 8, the tensile test device of bio-based material according to the present invention comprises:
the frame comprises a frame 1, wherein a guide rod 6 is arranged in the frame 1, the guide rod 6 is symmetrically arranged in the frame 1, a sliding part 2 is arranged on the outer surface of the guide rod 6, the outer surface of the guide rod 6 is connected with two ends of the sliding part 2 in a sliding manner, a motor 3 is arranged on the outer surface of the frame 1, the outer surface of the frame 1 is fixedly connected with the inner wall of the motor 3, and one end, close to the frame 1, of the motor 3 is fixedly connected with a screw rod 4;
when the tensile test device for the bio-based material is used, firstly, one end of the bio-based material is clamped and fixed by the clamping component 7, then the bio-based material passes through the observation component 5, then the other end of the bio-based material is fixed on the sliding component 2, the screw rod 4 is driven by the motor 3 to rotate, so that the sliding component 2 moves on the screw rod 4, the sliding component 2 performs a tensile test on the bio-based material, then, the position of the observation component 5 in the frame 1 is adjusted, so that the tensile region of the bio-based material is positioned right below the observation component 5, and the observation component 5 observes the tensile property in real time when performing the tensile test;
the observation component 5 is arranged inside the frame 1, the observation component 5 is positioned at the top end inside the frame 1, the clamping component 7 is arranged at the left end of the frame 1, and the left end of the frame 1 is fixedly connected with the left end of the clamping component 7;
the sliding part 2 comprises a moving cylinder 22, the biobased material is stretched by arranging the sliding part 2, the outer surface of the moving cylinder 22 is sleeved with an adjusting part 21, adjusting rods 23 are symmetrically arranged at the top of the adjusting part 21, the top of the adjusting part 21 is in contact with the outer surface of the adjusting rod 23, the tensile property of the biobased material is detected by the rotation time of a screw rod 4 and the stretching degree of the biobased material, the position of an extrusion plate 24 can be adjusted by using the adjusting part 21 arranged in the sliding part 2, so that the extrusion plate 24 is convenient to extrude the biobased material, and the extrusion plate 24 is fixedly connected to the opposite side of the adjusting rod 23;
when carrying out the tensile experiment, at first utilize clamping part 7 to carry out the centre gripping with biological base material one end, pass observation part 5 with biological base material afterwards, fix the other end of biological base material on sliding part 2, utilize the regulation pole 23 control stripper plate 24's that sets up on the sliding part 2 position, make stripper plate 24 cooperation use the other end to biological base material to carry out the centre gripping, utilize motor 3 drive screw 4 to rotate afterwards, lead to screw 4 to drive sliding part 2 and remove, make sliding part 2 stretch to biological base material, and then utilize observation part 5 to carry out real-time observation to the tensile position of biological base material.
The observation part 5 comprises a support frame 53, the observation part 5 can be used for observing the bio-based material in real time during a tensile test, a side plate 57 is fixedly connected to the top of the support frame 53, positioning rods 56 are symmetrically arranged on the top of the side plate 57, the top of the side plate 57 is fixedly connected to two ends of the positioning rods 56, a shielding plate 55 is arranged on the outer surface of the positioning rod 56, the observation part 5 can be used for avoiding the bio-based material from being cracked, the outer surface of the positioning rod 56 is rotatably connected to the inner wall of the shielding plate 55, a convex lens 52 is arranged below the shielding plate 55, two ends of the convex lens 52 are fixedly connected to the inner wall of the side plate 57, transmission parts 54 are symmetrically arranged inside the support frame 53, the inner wall of the support frame 53 is in contact with two ends of the transmission parts 54, a protrusion 51 is arranged on the outer surface of the support frame 53, the inner wall of the protrusion 51 is fixedly connected to the outer surface of the support frame 53, a limiting rod 58 is symmetrically arranged inside the support frame 53, and the inner wall of the support frame 53 is in contact with the outer surface of the limiting rod 58;
when the observation part 5 is used for observing the stretched bio-based material, judging the tensile property of the bio-based material, the transmission parts 54 symmetrically arranged at the two ends of the observation part 5 can be used for carrying out auxiliary transmission on the bio-based material, so that the bio-based material moves along the transmission parts 54 when being stretched, then the positions of the observation part 5 are controlled by the bulges 51 arranged at the two ends of the observation part 5, the stretched area of the bio-based material moves to the position right below the observation part 5, and the observation part 5 is used for observing through the convex lens 52.
The clamping part 7 comprises a fixing plate 71, one end of the bio-based material can be clamped and fixed by arranging the clamping part 7, so that the bio-based material can only bear transverse tension when a tensile test is carried out, a clamping frame 72 is arranged on the outer surface of the fixing plate 71, accommodating plates 77 are symmetrically arranged on the outer surface of the clamping frame 72, the outer surface of the clamping frame 72 is fixedly connected with the inner wall of the accommodating plate 77, a contraction rod 73 is slidably connected to the bottom of the clamping frame 72, one end, far away from the fixing plate 71, of the contraction rod 73 is meshed with a gear 74, the adjusting part 21 clamps and fixes one end of the bio-based material when in use, so that the stability of the bio-based material is ensured when the tensile test is carried out, an auxiliary part 75 is rotatably connected to the outer surface of the gear 74, an auxiliary rod 76 is symmetrically arranged inside the accommodating plate 77, the inner wall of the accommodating plate 77 is sleeved with the outer surface of the auxiliary rod 76, the number of the two auxiliary rods 76 is two, and one end, far away from the accommodating plate 77, of the auxiliary rod 76 is rotatably connected with the inner wall of the adjusting part 21;
clamping part 7 utilizes the shrink pole 73 that clamping frame 72 bottom set up to contract when using, and then makes shrink pole 73 mesh gear 74 for gear 74 drives adjusting part 21 and rotates, and adjusting part 21 auxiliary rod 76 supports adjusting part 21 when rotating, utilizes adjusting part 21 to carry out the centre gripping fixed to the one end of biobased material afterwards, uses according to shrink pole 73 and the cooperation of gear 74 that sets up in clamping part 7, can control the distance between two adjusting part 21.
The adjusting part 21 comprises a sleeve 211, the position of the stress plate 216 can be controlled by arranging the adjusting part 21, so that the position of the stress plate 216 can be adjusted when the adjusting part is used, the outer surface of the sleeve 211 is symmetrically provided with sliding cylinders 212, the outer surface of the sleeve 211 is fixedly connected with the inner wall of the sliding cylinder 212, the top of the sliding cylinder 212 is slidably connected with an auxiliary frame 214, the top of the auxiliary frame 214 is fixedly connected with the stress plate 216, the inner part of the auxiliary frame 214 is provided with a moving rod 213, the inner wall of the auxiliary frame 214 is slidably connected with the outer surface of the moving rod 213, the whole adjusting part 21 can be sleeved on the moving cylinder 22 by using the sleeve 211 arranged inside the adjusting part 21, then the sliding cylinder 212 slides along the guide rod 6 when the adjusting part 21 works, so that the biological base material is deformed after being stretched, and the tensile property of the biological base material is tested, the outer surface of the moving rod 213 is provided with a compression spring 215, and the outer surface of the moving rod 213 is in contact with the inner wall of the compression spring 215, the number of the moving rods 213 is two, and the opposite sides of the moving rod 213 are fixedly connected with the outer surface of the sleeve 211;
because the inside sliding connection of auxiliary frame 214 has the carriage release lever 213, lead to auxiliary frame 214 can carry out spacingly to auxiliary frame 214 with the help of the nut when using, and according to auxiliary frame 214 and the joint of slide tube 212 top for the bottom of auxiliary frame 214 can remove along slide tube 212 top, lead to stress plate 216 before using, remove auxiliary frame 214 along carriage release lever 213 earlier, lead to auxiliary frame 214 to push extrusion spring 215 to contract deformation after receiving the extrusion for extrusion spring 215.
The transmission component 54 comprises a movable frame 542, the deformation region of the bio-based material can be supported by arranging the transmission component 54, flexible rings 543 are symmetrically arranged inside the movable frame 542, the inner wall of the movable frame 542 is fixedly connected with the opposite sides of the flexible rings 543, an installation rod 544 is arranged on the outer surface of the movable frame 542, the outer surface of the movable frame 542 is fixedly connected with the two ends of the installation rod 544, when the transmission component 54 cannot limit the bio-based material, an additional cylinder 545 is clamped on the installation rod 544, the top of the bio-based material is limited by the additional cylinder 545, the outer surface of the installation rod 544 is provided with the additional cylinder 545, the outer surface of the installation rod 544 is in contact with the inner wall of the additional cylinder 545, the two ends of the additional cylinder 545 are symmetrically provided with the transmission cylinders 541, and the two ends of the additional cylinder 545 are in contact with the outer surface of the transmission cylinder 541;
when the transmission component 54 is used, the surface of the transmission component does not need to be additionally provided with the cylinder 545 to transmit the bio-based material, so that when the bio-based material is used for a tensile test, the stretching area of the bio-based material is right below the observation component 5, the transmission component 54 is positioned at two ends of the observation component 5, and then the bottom of the transmission component 54 is in contact with the surface of the bio-based material, so that the bio-based material is not subjected to resistance when stretched, and the bio-based material is not subjected to increase of test performance errors when the tensile test is performed.
The auxiliary component 75 comprises a clamping plate 753, the biological base material is kept in parallel when a tensile experiment is carried out by utilizing the auxiliary component 75, the situation that the biological base material is difficult to observe in a stretching area due to the height of the left end and the right end when the biological base material is stretched is avoided, a positioning plate 752 is arranged inside the clamping plate 753, the inner wall of the clamping plate 753 is fixedly connected with the outer surface of the positioning plate 752, stress springs 751 are symmetrically arranged inside the positioning plate 752, the inner wall of the positioning plate 752 is fixedly connected with the bottoms of the stress springs 751, a sliding plug 756 is fixedly connected to the top of the stress springs 751, an abutting plate 755 is arranged on the outer surface of the sliding plug 756, the outer surface of the sliding plug 756 is fixedly connected with the inner wall of the abutting plate 755, adjusting rods 754 are symmetrically arranged on the top of the positioning plate 752, and the top of the positioning plate 752 is slidably connected with the bottoms of the adjusting rods 754;
when the auxiliary component 75 on the clamping component 7 moves, the positioning plate 752 is driven by the clamping plate 753 to move, so that the two abutting plates 755 clamp the bio-based material, and when the bio-based material is fixed, the sliding plug 756 can be pressed by the adjusting rod 754, so that the sliding plug 756 slides along the inner wall of the positioning plate 752, the sliding plug 756 presses the force-bearing spring 751, the force-bearing spring 751 contracts and deforms after being pressed, the sliding plug 756 drives the abutting plate 755 to move downwards, so that the clamping height of the abutting plate 755 to the bio-based material can be adjusted along with the adjustment of the auxiliary component 75.
When the device is used, the biological base material is clamped and positioned by the clamping part 7 arranged on the frame 1, when the clamping part 7 is used, the contraction rod 73 in the clamping part 7 is firstly used for moving on the clamping frame 72, and then the contraction rod 73 is caused to drive the gear 74 to be meshed, so that the gear 74 drives the adjusting part 21 to rotate;
when the adjusting part 21 rotates, so that the clamping plate 753 moves, the positioning plates 752 approach each other, the abutting plates 755 arranged on the positioning plates 752 clamp the bio-based material, and the adjusting rods 754 arranged on the positioning plates 752 press the sliding plugs 756, so that the sliding plugs 756 drive the abutting plates 755 to extrude, the height of the abutting plates 755 is adjusted, and the clamping height of the abutting plates 755 and the bio-based material is adjusted;
after the biological base material is clamped, the biological base material passes through the observation part 5, then the other end of the biological base material is clamped by the sliding part 2, and the adjustment part 21 arranged on the sliding part 2 is used for adjustment, so that the auxiliary frame 214 arranged on the adjustment part 21 moves along the movable rod 213, the auxiliary frame 214 presses the extrusion spring 215, the extrusion spring 215 contracts and deforms after being extruded, and the stress plates 216 are attached to each other;
then, the position of the extrusion plate 24 is adjusted by using the moving cylinder 22 arranged on the stress plate 216, so that the extrusion plate 24 clamps the other end of the bio-based material, and after the two ends of the bio-based material are clamped, the screw rod 4 is driven to rotate by using the motor 3, so that the screw rod 4 drives the sliding component 2 to move along the guide rod 6, and the sliding component 2 stretches the bio-based material along the guide rod 6;
when the bio-based material is stretched, the bio-based material is limited by the transmission component 54, so that the transmission cylinder 541 or the additional cylinder 545 arranged on the transmission component 54 extrudes the stretched area of the bio-based material, and when the tensile experiment is performed on the bio-based material, the observation component 5 can be used for observing the stretched area of the bio-based material in real time;
the bio-based material is limited by the transmission parts 54 symmetrically arranged on the observation part 5, then the shielding plates 55 are rotated around the positioning rods 56, so that a certain observation gap is formed between the two shielding plates 55, the stretched area of the bio-based material is observed in real time through the convex lens 52, and the position of the observation part 5 in the frame 1 can be adjusted in real time by the protrusions 51 arranged on the observation part 5;
subsequently, the transmission part 54 is limited by the limiting rod 58 arranged in the support frame 53, so that the contact position of the transmission part 54 and the bio-based material is changed, and the stretching area of the bio-based material is always kept right below the observation part 5.
It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by one of ordinary skill in the art and related arts based on the embodiments of the present invention without any creative effort, shall fall within the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.
Claims (9)
1. A tensile test apparatus of bio-based material, comprising:
the device comprises a frame (1), wherein guide rods (6) are arranged in the frame (1), the guide rods (6) are symmetrically arranged in the frame (1), sliding parts (2) are arranged on the outer surfaces of the guide rods (6), the outer surfaces of the guide rods (6) are connected with the two ends of the sliding parts (2) in a sliding mode, a motor (3) is arranged on the outer surface of the frame (1), the outer surface of the frame (1) is fixedly connected with the inner wall of the motor (3), and a screw rod (4) is fixedly connected to one end, close to the frame (1), of the motor (3);
observe part (5), it set up in the inside of frame (1), observe part (5) and be located the inside top of frame (1), the left end of frame (1) is provided with clamping component (7), and the left end of frame (1) and the left end fixed connection of clamping component (7), its characterized in that:
the sliding component (2) comprises a moving barrel (22), the outer surface of the moving barrel (22) is sleeved with an adjusting component (21), adjusting rods (23) are symmetrically arranged at the top of the adjusting component (21), the top of the adjusting component (21) is in contact with the outer surface of the adjusting rods (23), and the opposite sides of the adjusting rods (23) are fixedly connected with extrusion plates (24).
2. The apparatus for testing tensile strength of bio-based material according to claim 1, wherein: the observation part (5) comprises a support frame (53), the top of the support frame (53) is fixedly connected with side plates (57), the top symmetry of the side plates (57) is provided with positioning rods (56), the top of the side plates (57) is fixedly connected with the two ends of the positioning rods (56), the outer surface of the positioning rods (56) is provided with shielding plates (55), the outer surface of the positioning rods (56) is rotatably connected with the inner wall of the shielding plates (55), convex lenses (52) are arranged below the shielding plates (55), the two ends of the convex lenses (52) are fixedly connected with the inner wall of the side plates (57), transmission parts (54) are symmetrically arranged inside the support frame (53), the inner wall of the support frame (53) is in contact with the two ends of the transmission parts (54), bulges (51) are arranged on the outer surface of the support frame (53), and the inner wall of the bulges (51) is fixedly connected with the outer surface of the support frame (53).
3. The apparatus for testing tensile strength of bio-based material according to claim 2, wherein: limiting rods (58) are symmetrically arranged inside the supporting frame (53), and the inner wall of the supporting frame (53) is in contact with the outer surface of the limiting rods (58).
4. The apparatus for testing tensile strength of bio-based material according to claim 1, wherein: clamping part (7) are including fixed plate (71), the surface of fixed plate (71) is provided with clamping frame (72), the surface symmetry of clamping frame (72) is provided with and holds board (77), and the surface of clamping frame (72) and the inner wall fixed connection who holds board (77), the bottom sliding connection of clamping frame (72) has shrink pole (73), the one end meshing that fixed plate (71) was kept away from in shrink pole (73) has gear (74), the surface of gear (74) is rotated and is connected with auxiliary component (75), the inside symmetry that holds board (77) is provided with auxiliary rod (76), and holds the inner wall of board (77) and cup joint with the surface of auxiliary rod (76).
5. The apparatus for testing tensile strength of bio-based material as claimed in claim 4, wherein: the number of the auxiliary rods (76) is two, and one end, far away from the accommodating plate (77), of each auxiliary rod (76) is rotatably connected with the inner wall of the adjusting part (21).
6. The apparatus for testing tensile strength of bio-based material according to claim 1, wherein: adjusting part (21) includes sleeve (211), the surface symmetry of sleeve (211) is provided with slide tube (212), and the surface of sleeve (211) and the inner wall fixed connection of slide tube (212), the top sliding connection of slide tube (212) has auxiliary frame (214), the top fixedly connected with atress board (216) of auxiliary frame (214), the inside of auxiliary frame (214) is provided with carriage release lever (213), and the inner wall of auxiliary frame (214) and the surface sliding connection of carriage release lever (213), the surface of carriage release lever (213) is provided with extrusion spring (215), and the surface of carriage release lever (213) contacts with the inner wall of extrusion spring (215).
7. The apparatus for testing tensile strength of bio-based material as claimed in claim 6, wherein: the number of the moving rods (213) is two, and the opposite sides of the moving rods (213) are fixedly connected with the outer surface of the sleeve (211).
8. The apparatus for tensile testing of bio-based materials as claimed in claim 2, wherein: the transmission part (54) comprises a moving frame (542), flexible rings (543) are symmetrically arranged inside the moving frame (542), the inner wall of the moving frame (542) is fixedly connected with the opposite side of the flexible rings (543), an installation rod (544) is arranged on the outer surface of the moving frame (542), the outer surface of the moving frame (542) is fixedly connected with the two ends of the installation rod (544), an installation cylinder (545) is arranged on the outer surface of the installation rod (544), the outer surface of the installation rod (544) is in contact with the inner wall of the installation cylinder (545), transmission cylinders (541) are symmetrically arranged at the two ends of the installation cylinder (545), and the two ends of the installation cylinder (545) are in contact with the outer surface of the transmission cylinder (541).
9. The apparatus for testing tensile strength of bio-based material as claimed in claim 4, wherein: the auxiliary component (75) comprises a clamping plate (753), a positioning plate (752) is arranged inside the clamping plate (753), the inner wall of the clamping plate (753) is fixedly connected with the outer surface of the positioning plate (752), stress springs (751) are symmetrically arranged inside the positioning plate (752), the inner wall of the positioning plate (752) is fixedly connected with the bottoms of the stress springs (751), sliding plugs (756) are fixedly connected to the tops of the stress springs (751), a binding plate (755) is arranged on the outer surface of each sliding plug (756), the outer surface of each sliding plug (756) is fixedly connected with the inner wall of the binding plate (755), adjusting rods (754) are symmetrically arranged on the tops of the positioning plate (752), and the tops of the positioning plate (752) are slidably connected with the bottoms of the adjusting rods (754).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211233084.4A CN115326573A (en) | 2022-10-10 | 2022-10-10 | Tensile test device of bio-based material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211233084.4A CN115326573A (en) | 2022-10-10 | 2022-10-10 | Tensile test device of bio-based material |
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| CN115326573A true CN115326573A (en) | 2022-11-11 |
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| CN202211233084.4A Pending CN115326573A (en) | 2022-10-10 | 2022-10-10 | Tensile test device of bio-based material |
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Application publication date: 20221111 |