CN110987656A - Bending stress detection device for composite material inspection - Google Patents
Bending stress detection device for composite material inspection Download PDFInfo
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- CN110987656A CN110987656A CN201911285434.XA CN201911285434A CN110987656A CN 110987656 A CN110987656 A CN 110987656A CN 201911285434 A CN201911285434 A CN 201911285434A CN 110987656 A CN110987656 A CN 110987656A
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- sliding block
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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
- G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending 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
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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
- G01N2203/0023—Bending
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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
- G01N2203/003—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
- G01N2203/022—Environment of the test
- G01N2203/0222—Temperature
- G01N2203/0226—High temperature; Heating 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
- G01N2203/022—Environment of the test
- G01N2203/0236—Other environments
- G01N2203/024—Corrosive
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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
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
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- 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 belongs to the technical field of bending force stress detection, in particular to a bending stress detection device for composite material detection, which comprises a protective cover, a base and a plurality of sliding seats fixed on the upper surface of the base through bolts, wherein a first motor is fixed on the upper surface of each sliding seat through bolts, a first lead screw is fixed on the output end of the first motor through a screw, a first sliding block is connected on the upper surface of each sliding seat in a sliding manner, a second motor is fixed on one side of the upper surface of each sliding seat, which is far away from the first motor, through bolts, a second lead screw is regulated on the output end of the second motor through screws, a second sliding block is connected on one side of the upper surface of each sliding seat, which is far away from the first sliding block, so that the composite material between clamping blocks is subjected to bending force stress detection, and three groups of the first motor, the first lead screw, the first sliding block, the second sliding, therefore, three groups of bending stress detection can be carried out, and the bending stress detection result of the composite material is more accurate.
Description
Technical Field
The invention belongs to the technical field of bending stress detection, and particularly relates to a bending stress detection device for composite material detection.
Background
The composite material is a mixture, plays a great role in many fields, replaces many traditional materials, and is divided into metal and metal composite materials, nonmetal and metal composite materials and nonmetal composite materials according to the components, and is divided into ① fiber reinforced composite materials according to the structural characteristics, various fiber reinforcements are arranged in a matrix material to be compounded, such as fiber reinforced plastics, fiber reinforced metals and the like, ② interlayer composite materials are formed by combining surface materials and core materials with different properties, generally the surface materials are high in strength and thin, the core materials are light in weight and low in strength, but have certain rigidity and thickness, and are divided into a solid interlayer and a honeycomb interlayer, ③ fine particle composite materials, hard fine particles are uniformly distributed in the matrix, such as dispersion reinforced alloy, metal ceramic and the like, ④ hybrid composite materials are formed by mixing two or more than two reinforcing phase materials in a matrix phase material, and compared with common single reinforcing phase composite materials, the impact strength, fatigue strength and fracture toughness are remarkably improved, and have special thermal expansion performance.
The composite material plays an important role in modern society, in the design and production process of the composite material, the bending stress of the composite material needs to be detected, so that the produced composite material can be ensured to be normally used, but the existing composite material bending stress detection device still has certain limitation in the use process, when the bending stress of the composite material is detected, the bending degree of a straight plate material can not be detected in general detection, the stretching condition of the bent material can not be detected, meanwhile, various experiments can not be simultaneously carried out in the detection process, so that the working efficiency is reduced, and when the produced composite material needs to be carried out in various environments, the existing bending stress detection device can not simulate the influence of the external environment on the composite material, so that the produced composite material can not adapt to various environments.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a bending stress detection device for composite material detection, which has the characteristics of contrast detection and simulated environment detection.
In order to achieve the purpose, the invention provides the following technical scheme: bending stress detection device is used in combined material inspection, including protection casing and base, and a plurality of sliding seat through the bolt fastening at the base upper surface, the upper surface of sliding seat has a motor through the bolt fastening, the output of a motor has a lead screw through the screw fastening, the upper surface sliding connection of sliding seat has a sliding block, one side that the upper surface of sliding seat deviates from a motor has No. two motors through the bolt fastening, the output of No. two motors has No. two lead screws through the screw regulation, one side sliding connection that the upper surface of sliding seat deviates from a sliding block has No. two sliding blocks.
As the preferable technical scheme of the bending stress detection device for the composite material inspection, a plurality of connecting pipes are fixed on the top side of the interior of the protective cover through bolts, the lower surfaces of the connecting pipes are screwed with the spray head, and a plurality of resistance wires are fixed in the interior of the base through screws.
As the preferable technical scheme of the bending stress detection device for composite material inspection, a first limit block and a second limit block are integrally formed on the side surfaces of the first slide block and the second slide block, a first rotary rod is screwed inside the first limit block, a second rotary rod is screwed inside the second limit block, and clamping blocks are integrally formed on the outer surfaces of the first rotary rod and the second rotary rod.
As the preferable technical scheme of the bending stress detection device for composite material inspection, the first sliding block and the second sliding block are internally provided with the rotating pipes in a rotating mode, the second sliding block is connected with the second lead screw in a rotating mode through the rotating pipes, the first sliding block is connected with the first lead screw in a rotating mode through the rotating pipes, and bearings are fixed at two ends of each rotating pipe through screws.
As the preferred technical scheme of the bending stress detection device for composite material inspection, three groups of motors are arranged, namely a first motor, a first lead screw, a first sliding block, a second sliding block and a second lead screw, and the third group of motors are arranged, and the three groups of motors are arranged to prevent the protective covers from being symmetrically distributed.
As the preferable technical scheme of the bending stress detection device for detecting the composite material, the number of the spray heads and the number of the connecting pipes are three, and the lower surfaces of the three spray heads correspond to the middle positions of the first sliding block and the second sliding block.
As the preferable technical scheme of the bending stress detection device for the composite material inspection, the clamping block is cylindrical, and a plurality of anti-skidding lugs are integrally formed on the outer surface of the clamping block.
Compared with the prior art, the invention has the beneficial effects that: the first rotating rod and the second rotating rod which are rotatably screwed in the first limiting block and the second limiting block are arranged, so that the clamping blocks can tightly clamp the composite material, then the first motor and the second motor are started, the first motor and the second motor are rotated through the output ends of the first motor and the second motor, so that the first sliding block and the second sliding block are driven to move relatively, the composite material clamped between the clamping blocks can be subjected to bending stress detection, three groups of the first motor, the first lead screw, the first sliding block, the second sliding block and the second lead screw and the second motor are arranged simultaneously, so that three groups of bending stress detection can be carried out, the bending stress detection result of the composite material is more accurate, a plurality of resistance wires are arranged in the base, the composite material on the upper surface of the base is heated through the plurality of resistance wires, and the simulation is carried out in an external high-temperature environment, the influence of the high temperature condition to combined material's bending stress is provided with three shower nozzle and connecting pipe simultaneously in the bottom side of protection casing, sprays the solution of different pH values through three shower nozzle and connecting pipe to combined material between sliding block and No. two sliding blocks to can simulate the influence of the environment of external different pH value to combined material's bending stress.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic view of a clamping block structure according to the present invention;
FIG. 4 is a schematic view of a slider structure according to the present invention;
in the figure: 1. a protective cover; 2. a first motor; 3. a first lead screw; 4. a first sliding block; 5. a spray head; 6. a connecting pipe; 7. a second slider; 8. a second lead screw; 9. a second motor; 10. a resistance wire; 11. a base; 12. a sliding seat; 13. a first limiting block; 14. a first rotating rod; 15. a clamping block; 16. a second limiting block; 17. a second rotating rod; 18. rotating the tube; 19. and a bearing.
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 of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-4, the present invention provides the following technical solutions: a bending stress detection device for composite material inspection comprises a protective cover 1, a base 11 and a plurality of sliding seats 12 fixed on the upper surface of the base 11 through bolts, wherein a first motor 2 is fixed on the upper surface of each sliding seat 12 through bolts, a first lead screw 3 is fixed on the output end of the first motor 2 through screws, a first sliding block 4 is connected on the upper surface of each sliding seat 12 in a sliding manner, a second motor 9 is fixed on one side, away from the first motor 2, of the upper surface of each sliding seat 12 through bolts, a second lead screw 8 is specified on the output end of the second motor 9 through screws, a second sliding block 7 is connected on one side, away from the first sliding block 4, of the upper surface of each sliding seat 12 in a sliding manner, in the embodiment, a first rotating rod 14 and a second rotating rod 17 which are rotatably screwed in a first limiting block 13 and a second limiting block 16 are arranged, so that a clamping block 15 can tightly clamp a composite material, then through starting a motor 2 and No. two motor 9, output through a motor 2 and No. two motor 9 rotates, thereby drive sliding block 4 and No. two sliding blocks 7 and carry out relative motion, and then make the combined material of centre gripping between clamp splice 15 can carry out the bending stress and detect, be provided with No. one motor 2 of three groups simultaneously, a lead screw 3 and a sliding block 4 and No. two sliding blocks 7, No. two lead screws 8 and No. two motor 9, make three group's bending stress of group detect, thereby make combined material's bending stress testing result more accurate.
It is specific, there is a plurality of connecting pipe 6 on the inside top side of protection casing 1 through the bolt fastening, shower nozzle 5 has been closed soon to the lower surface of connecting pipe 6, there are a plurality of resistance wire 10 in the inside of base 11 through the screw fastening, be provided with a plurality of resistance wire 10 in this embodiment through setting up in the inside of base 11, the combined material of base 11 upper surface is heated through a plurality of resistance wire 10, thereby the simulation is under external high temperature environment, the influence of the high temperature condition to combined material's bending stress, be provided with three shower nozzle 5 and connecting pipe 6 simultaneously in the bottom side of protection casing 1, through three shower nozzle 5 and connecting pipe 6 to combined material between a sliding block 4 and No. two sliding blocks 7 spray the solution of different pH values, thereby can simulate the influence of the environment of external different pH values to combined material's bending stress.
Specifically, the equal integrated into one piece in side of sliding block 4 and No. two sliding blocks 7 has stopper 13 and No. two stopper 16, the inside of stopper 13 has a rotary rod 14 soon, the inside of No. two stopper 16 has rotary rod 17 soon, the equal integrated into one piece in surface of rotary rod 14 and No. two rotary rod 17 has clamp splice 15, detect time measuring when carrying out bending stress to combined material through setting up in this embodiment, through rotary rod 14 and No. two rotary rod 17 of rotatory closure in stopper 13 and No. two stopper 16, make clamp splice 15 can carry out inseparable centre gripping to combined material, make both can carry out bending stress detection to the combined material of straight plate type, also can carry out bending stress detection to crooked combined material.
Specifically, the inside of a sliding block 4 and No. two sliding blocks 7 all closes the rotating tube 18 soon, No. two sliding blocks 7 close with two lead screws 8 soon through rotating tube 18 and are connected, a sliding block 4 closes with a lead screw 3 soon through rotating tube 18 and is connected, the both ends of rotating tube 18 have bearing 19 through the screw fixation, in this embodiment through set up through a rotatory lead screw 3 and No. two lead screws 8 drive a sliding block 4 and No. two inside rotating tube 18 of sliding block 7 close in the inside of a sliding block 4 and No. two sliding blocks 7 soon, thereby drive a sliding block 4 and No. two sliding blocks 7 and carry out relative motion, and then make the combined material of centre gripping between clamp splice 15 can carry out the bending stress and detect.
Specifically, No. one motor 2, a lead screw 3 and a sliding block 4 and No. two sliding blocks 7, No. two lead screws 8 and No. two motors 9 all are provided with three groups altogether, and No. one motor 2, a lead screw 3 and a sliding block 4 and No. two sliding blocks 7, No. two lead screws 8 and No. two motors 9 of three groups all prevent that guard shield 1 symmetric distribution.
It is specific, shower nozzle 5 and connecting pipe 6 all are provided with threely altogether, and the lower surface of three shower nozzle 5 all corresponding with the intermediate position of a sliding block 4 and No. two sliding blocks 7, be provided with three shower nozzle 5 and connecting pipe 6 through setting up in the bottom side of protection casing 1 in this embodiment, spray the solution of different pH values through three shower nozzle 5 and connecting pipe 6 to the combined material between a sliding block 4 and No. two sliding blocks 7 to can simulate the influence of the environment of external different pH values to combined material's bending force stress.
Specifically, clamp splice 15 is cylindrical, and the surface integrated into one piece of clamp splice 15 has a plurality of antiskid lug, and the surface integrated into one piece through setting up clamp splice 15 has a plurality of antiskid lug in this embodiment for when shower nozzle 5 uses, the centre gripping is more firm.
The models of the first motor 2 and the second motor 9 in the embodiment are YE-2, and the known technologies which are widely applied to daily life are disclosed; the resistance wire 10 in the embodiment is a known technology which is widely applied to daily life and is disclosed as Cr20Ni 80.
The working principle and the using process of the invention are as follows: in the use process of the invention, three sliding seats 12 are arranged on the upper surface of a base 11, six first motors 2, first lead screws 3 and first sliding blocks 4 are arranged on the upper surface of the base 11 through the three sliding seats 12, when the bending stress of the composite material is detected, a first rotary rod 14 and a second rotary rod 17 which are rotatably combined in a first limiting block 13 and a second limiting block 16 are rotated, so that a clamping block 15 can tightly clamp the composite material, then the first motor 2 and the second motor 9 are started, the first lead screw 3 and the second lead screw 8 are driven to rotate through the rotation of the output ends of the first motor 2 and the second motor 9, then the first sliding block 4 and the second sliding block 7 are driven to rotatably combine through the first lead screw 3 and the second lead screw 8, thereby driving the first sliding block 4 and the second sliding block 7 to move relatively, further enabling the composite material clamped between the clamping blocks 15 to carry out bending stress detection, simultaneously arranging three groups of a first motor 2, a first lead screw 3, a first sliding block 4, a second sliding block 7, a second lead screw 8 and a second motor 9, enabling three groups of bending stress detection, thereby enabling the bending stress detection result of the composite material to be more accurate, arranging a plurality of resistance wires 10 in the base 11, heating the composite material on the upper surface of the base 11 through the plurality of resistance wires 10, thereby simulating the influence of high temperature conditions on the bending stress of the composite material under the external high temperature environment, simultaneously arranging three spray heads 5 and connecting pipes 6 on the bottom side of the protective cover 1, spraying solutions with different pH values on the composite material between the first sliding block 4 and the second sliding block 7 through the three spray heads 5 and the connecting pipes 6, therefore, the influence of the environment with different pH values on the bending stress of the composite material can be simulated.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the invention as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. Bending stress detection device is used in combined material inspection, its characterized in that: including protection casing (1) and base (11), and a plurality of sliding seat (12) through the bolt fastening at base (11) upper surface, the upper surface of sliding seat (12) is through bolt fastening has motor (2) No. one, the output of motor (2) has lead screw (3) No. one through the screw fastening, the upper surface sliding connection of sliding seat (12) has sliding block (4) No. one, the upper surface of sliding seat (12) deviates from one side of motor (2) and has motor (9) No. two through the bolt fastening, the output of motor (9) No. two has lead screw (8) No. two through the screw regulation, the upper surface of sliding seat (12) deviates from one side sliding connection of sliding block (4) has sliding block (7) No. two.
2. The bending stress detection apparatus for composite material inspection according to claim 1, wherein: the inside top side of protection casing (1) is fixed with a plurality of connecting pipe (6) through the bolt, and the lower surface of connecting pipe (6) closes shower nozzle (5) soon, and the inside of base (11) is fixed with a plurality of resistance wire (10) through the screw.
3. The bending stress detection apparatus for composite material inspection according to claim 1, wherein: the side of a sliding block (4) and a sliding block (7) is integrally formed with a limiting block (13) and a limiting block (16), the inside of the limiting block (13) is screwed with a rotating rod (14), the inside of the limiting block (16) is screwed with a rotating rod (17), and the outer surfaces of the rotating rod (14) and the rotating rod (17) are integrally formed with clamping blocks (15).
4. The bending stress detection apparatus for composite material inspection according to claim 1, wherein: the inside of a sliding block (4) and a sliding block (7) is all closed with a rotating pipe (18) soon, No. two sliding blocks (7) are closed with No. two lead screws (8) through a rotating pipe (18) and are connected soon, No. one sliding block (4) is closed with a lead screw (3) through a rotating pipe (18) and is connected soon, and the both ends of a rotating pipe (18) are fixed with bearings (19) through screws.
5. The bending stress detection apparatus for composite material inspection according to claim 1, wherein: no. one motor (2), lead screw (3) and sliding block (4) and No. two sliding blocks (7), No. two lead screws (8) and No. two motors (9) all are provided with three groups altogether, and No. three groups of No. one motor (2), No. one lead screw (3) and sliding block (4) and No. two sliding blocks (7), No. two lead screws (8) and No. two motors (9) all with protection cover (1) symmetric distribution.
6. The bending stress detection apparatus for composite material inspection according to claim 1, wherein: shower nozzle (5) and connecting pipe (6) all are provided with threely altogether, and the lower surface of three shower nozzle (5) all corresponds with the intermediate position of a sliding block (4) and No. two sliding blocks (7).
7. The bending stress detection apparatus for composite material inspection according to claim 1, wherein: the clamping block (15) is cylindrical, and a plurality of anti-skid lugs are integrally formed on the outer surface of the clamping block (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911285434.XA CN110987656A (en) | 2019-12-13 | 2019-12-13 | Bending stress detection device for composite material inspection |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911285434.XA CN110987656A (en) | 2019-12-13 | 2019-12-13 | Bending stress detection device for composite material inspection |
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| CN110987656A true CN110987656A (en) | 2020-04-10 |
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| CN201911285434.XA Pending CN110987656A (en) | 2019-12-13 | 2019-12-13 | Bending stress detection device for composite material inspection |
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| US20080034885A1 (en) * | 2003-10-28 | 2008-02-14 | Universidada Do Minho Of Largo Do Paco | Multiaxial Universal Testing Machine |
| JP2005315691A (en) * | 2004-04-28 | 2005-11-10 | Matsushita Electric Ind Co Ltd | Bending testing device and bending test method |
| CN101694444A (en) * | 2009-10-22 | 2010-04-14 | 国际竹藤网络中心 | Mechanical property test method for fabric and textile structural composite materials |
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| CN109655332A (en) * | 2019-02-15 | 2019-04-19 | 广东石油化工学院 | A kind of civil engineering fixture for the anti-bias of tension test |
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