CN116879082B - Load-environment coupling fatigue aging test device - Google Patents
Load-environment coupling fatigue aging test device Download PDFInfo
- Publication number
- CN116879082B CN116879082B CN202311117352.0A CN202311117352A CN116879082B CN 116879082 B CN116879082 B CN 116879082B CN 202311117352 A CN202311117352 A CN 202311117352A CN 116879082 B CN116879082 B CN 116879082B
- Authority
- CN
- China
- Prior art keywords
- hole
- box body
- placement
- plate
- testing machine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 40
- 230000032683 aging Effects 0.000 title claims abstract description 26
- 230000008878 coupling Effects 0.000 title claims abstract description 12
- 238000010168 coupling process Methods 0.000 title claims abstract description 12
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 12
- 238000009661 fatigue test Methods 0.000 claims abstract description 20
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 42
- 239000007788 liquid Substances 0.000 claims description 21
- 229910052757 nitrogen Inorganic materials 0.000 claims description 21
- 239000006260 foam Substances 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 8
- 238000004321 preservation Methods 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 7
- 229920000742 Cotton Polymers 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 4
- 230000007613 environmental effect Effects 0.000 abstract description 9
- 238000009423 ventilation Methods 0.000 abstract description 3
- 230000004308 accommodation Effects 0.000 abstract 5
- 238000005192 partition Methods 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 8
- 230000000149 penetrating effect Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 239000002861 polymer material Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
- G01N3/36—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by pneumatic or hydraulic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
- G01N17/002—Test chambers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
- G01N17/004—Investigating resistance of materials to the weather, to corrosion, or to light to light
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0005—Repeated or cyclic
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
-
- 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
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0073—Fatigue
-
- 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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Pathology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Environmental & Geological Engineering (AREA)
- Environmental Sciences (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to the technical field of environmental boxes, in particular to a load-environment coupling fatigue aging test device, which comprises: the frame body, the box front end has the door plant through hinge connection, frame body upper portion is equipped with two linear guide, all be equipped with two sliders on each linear guide, the box bottom surface is equipped with two and removes the frame, two remove the frame respectively with homonymous slider fixed connection, the front end of two removal frame bottom surfaces all is equipped with a pulley, the top surface and the bottom surface of box symmetry respectively are equipped with a "U" type accommodation hole, it is connected with the accommodation plate to dismantle in the accommodation hole, accommodation hole and accommodation plate are used for settling fatigue testing machine, the inside rear end of box is equipped with a baffle, the baffle is used for being preceding cavity and back cavity with box internal partition, be equipped with a plurality of ventilation holes on the baffle, the inside temperature regulating device that is equipped with of back cavity, be equipped with ultraviolet ageing device on the preceding cavity.
Description
Technical Field
The invention relates to the technical field of environmental boxes, in particular to a load-environment coupling fatigue aging test device.
Background
The load-environment coupling fatigue aging experimental device is mainly used for evaluating the influence of load and environmental factors on the high polymer material under the actual working condition. The device can simulate the load facing the high polymer material in the service process and the ageing process in the complex environment so as to provide more accurate durability evaluation. Can be used for researching aging behavior and performance change of different types of polymer materials (such as plastics, rubber and the like) under the combined action of load and environmental factors. Can be used for evaluating the durability and service life of various polymer products (such as pipelines, sealing elements, cables and the like) under the actual working condition so as to guide the design and improvement of the products. The durability and the service life of different materials can be compared by carrying out load-environment coupling aging experiments on different high molecular materials, so that the material most suitable for a specific application scene is selected.
However, there are currently very few experimental devices specific to polymer load-environment coupled fatigue aging. This is mainly due to the following problems: complexity and challenges: the high polymer material has complex structure and property, is influenced by load and environmental coupling factors, and needs to design a corresponding test device aiming at the special characteristics. Durability assessment difficulty: a variety of complex aging mechanisms, such as oxidation, crack growth, etc., may occur in the polymeric materials over long periods of use, and simulating these mechanisms and performing accurate durability evaluations is a technical challenge. Lack of standardized methods: the lack of standardized testing methods for high molecular fatigue-environment coupled aging makes it difficult to compare and verify results between different laboratories. In view of these problems, further research and technical development are necessary to develop a load-environment coupled fatigue aging experimental device that is more specialized, reliable and suitable for high molecular materials.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a load-environment coupling fatigue aging test device, which solves the problems of lack of environmental factors or incomplete environmental factors in the coupling aging test process.
In order to achieve the above purpose, the present invention provides the following technical solutions: a load-environment coupled fatigue-aging test device, comprising: the device comprises a frame body, a box body and a fatigue testing machine, wherein the front end of the box body is connected with a door plate through a hinge, two linear guide rails are symmetrically arranged on the upper portion of the frame body along the central line of the frame body, two sliding blocks are symmetrically arranged on the bottom surface of the box body along the central line of the frame body, two moving frames are respectively fixedly connected with the sliding blocks on the same side, two pulleys are respectively arranged at the front end of the bottom surface of the moving frames, a U-shaped mounting hole is symmetrically arranged on the top surface and the bottom surface of the box body respectively, a mounting plate is detachably connected in the mounting hole, the mounting hole and the mounting plate are used for mounting the fatigue testing machine, a baffle is arranged at the rear end of the inside of the box body, the baffle is used for dividing the inside of the box body into a front cavity and a rear cavity, a plurality of ventilation holes are formed in the baffle, and a temperature adjusting device is arranged in the rear cavity, and an ultraviolet aging device is arranged on the front cavity.
Further, a group of sliding grooves are formed in the top surface and the bottom surface of the inside of the box body, each group of sliding grooves comprises two sliding grooves, the two sliding grooves are symmetrically arranged along the center line of the placement hole, and wing plates matched with the sliding grooves are respectively arranged at two ends of one side surface of the placement plate.
Further, a semicircular placement groove is formed in the rear end of the placement plate and is used for being matched with the inner side face of the placement hole.
Further, the temperature adjusting device includes: the heating wire and the liquid nitrogen nozzle are fixedly connected with the rear part of the box body, the liquid nitrogen nozzle is connected with a liquid nitrogen bottle, liquid nitrogen is injected into the box body through the liquid nitrogen nozzle, and the heating wire is coated on the periphery of the inner part of the rear cavity of the liquid nitrogen nozzle and is fixedly connected with the box body.
Further, a heat preservation cavity is arranged in the rear side face of the placement hole, and foam heat insulation boards are arranged on the top face and the bottom face of the heat preservation cavity.
Further, the inside hollow structure that is of locating plate, the inside top surface of locating plate and bottom surface all are equipped with a foam heat insulating board.
Further, the ultraviolet aging apparatus includes: the two ultraviolet spot lights are symmetrically arranged on the top surface in the box body along the central axis of the box body.
Further, a rubber ring and cotton cloth are arranged on the side surface of the door plate, which is in contact with the box body.
Further, the fatigue testing machine includes: the test bench is fixedly connected with the cross beam through the stand column, the test bench is fixedly connected with the work bench, the electro-hydraulic servo valve is fixedly arranged on the top surface of the cross beam, the test rod is arranged at the lower end of the electro-hydraulic servo valve and driven by the electro-hydraulic servo valve, and a sensor support is arranged on the side portion of the test bench.
Further, the sensor holder includes: the base, one side of base is equipped with first screw hole and first clamp splice, first clamp splice lower part is equipped with first through-hole, the axis of first through-hole with the axis collineation of first screw hole, first clamp splice upper portion is equipped with a second through-hole, wear to be equipped with first branch in the second through-hole, the middle part of first clamp splice is equipped with a intercommunication first gap of first through-hole, first gap with the axis of first through-hole is perpendicular, wear to be equipped with a first threaded rod in the first through-hole, first threaded rod one end with first screw hole cooperation is connected, the other end of first threaded rod is equipped with first rotation handle;
the first clamping block is further provided with a second clamping block in a penetrating mode, the lower portion of the second clamping block is provided with a third through hole, the third through hole is sleeved on the first supporting rod, the upper portion of the second clamping block is provided with a fourth through hole, the middle portion of the second clamping block is provided with a second gap communicated with the fourth through hole, the second gap is perpendicular to the axis of the fourth through hole, the side portion of the second clamping block is provided with a connecting block, the connecting block is provided with a fifth through hole and a second threaded hole, the second threaded hole is in collineation with the axis of the fourth through hole, a second supporting rod is fixedly arranged in the fifth through hole in a penetrating mode, the end portion of the second supporting rod is fixedly connected with a sensor, a second threaded rod is arranged in the fourth through hole in a penetrating mode, one end of the second threaded rod is connected with the second threaded hole in a matching mode, and the other end of the second threaded rod is provided with a second rotary handle.
Compared with the prior art, the invention has the following beneficial effects: according to the invention, the temperature adjusting device and the ultraviolet aging device are arranged in the box body, so that environmental factors can be added in the coupling test, load and environmental factors can be applied to the tested material at the same time, the performance of the tested material can be mastered by test staff conveniently, and further, the material most suitable for a specific application scene can be conveniently selected.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is an exploded view of the mounting hole and mounting plate of the case of the present invention;
FIG. 3 is a partial cross-sectional view of the case of the present invention;
FIG. 4 is a schematic view of a sliding tray according to the present invention;
FIG. 5 is a schematic view of the structure of the sensor holder of the present invention;
FIG. 6 is an exploded view of the sensor holder of the present invention;
FIG. 7 is a view showing the use of the case and the fatigue testing machine according to the present invention.
In the figure: 1. a frame body; 2. a case; 201. a moving rack; 3. a door panel; 4. a linear guide rail; 5. a slide block; 6. a pulley; 7. a mounting hole; 8. a setting plate; 9. a fatigue testing machine; 91. a work table; 92. a test bed; 93. a cross beam; 94. a test rod; 95. a column; 96. an electrohydraulic servo valve; 10. a baffle; 11. a front cavity; 12. a rear cavity; 13. a vent hole; 14. a temperature adjusting device; 141. a heating wire; 142. a liquid nitrogen nozzle; 15. an ultraviolet aging device; 151. an ultraviolet spot light; 16. a sliding groove; 17. a wing plate; 18. a placement groove; 19. a heat preservation cavity; 20. foam insulation panels; 21. a sensor holder; 211. a base; 212. a first threaded hole; 213. a first clamping block; 214. a first through hole; 215. a second through hole; 216. a first strut; 217. a first slit; 218. a first threaded rod; 219. a first rotating handle; 2110. a second clamping block; 2111. a third through hole; 2112. a fourth through hole; 2113. a second slit; 2114. a connecting block; 2115. a second threaded hole; 2116. a second threaded rod; 2117. a second rotating handle; 2118. a second strut; 2119. and a fifth through hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be clearly and completely described in connection with the following specific embodiments.
As shown in fig. 1, 2 and 7, a load-environment coupling fatigue aging test apparatus includes: the novel multifunctional fatigue testing machine comprises a frame body 1, a box body 2 and a fatigue testing machine 9, wherein the front end of the box body 2 is connected with a door plate 3 through a hinge, a rubber ring and cotton cloth are arranged on the side face, in contact with the box body 2, of the door plate 3, and the rubber ring and the cotton cloth are used for enabling the internal environment of the box body 2 to be sealed. The upper portion of the frame body 1 is symmetrically provided with two linear guide rails 4 along the central line of the frame body, each linear guide rail 4 is provided with two sliding blocks 5, the bottom surface of the box body 2 is symmetrically provided with two movable frames 201 along the central line of the box body, the two movable frames 201 are respectively fixedly connected with the sliding blocks 5 on the same side, the front ends of the bottom surfaces of the two movable frames 201 are respectively provided with a pulley 6, the top surface and the bottom surface of the box body 2 are respectively symmetrically provided with a U-shaped placement hole 7, a placement plate 8 is detachably connected in the placement hole 7, the rear end of the placement plate 8 is provided with a semicircular placement groove 18 for being matched with the inner side surface of the placement hole 7, and the placement hole 7 and the placement plate 8 are used for placing a fatigue tester 9.
The box body 2 is driven by the sliding blocks 5 to do linear motion along the direction of the linear sliding rail, and the sliding blocks 5 arranged on the bottom surface of the moving frame 201 can enable the box body 2 to move more stably; the box body 2 continues to move until the placement hole 7 is in contact with the fatigue testing machine 9, and the placement plate 8 is inserted into the placement hole 7, so that the placement groove 18 and the placement hole 7 are matched and sealed with the fatigue testing machine 9.
As shown in fig. 1 and 4, a group of sliding grooves 16 are respectively arranged on the top surface and the bottom surface inside the box body 2, each group of sliding grooves 16 comprises two sliding grooves 16, the two sliding grooves 16 are symmetrically arranged along the central line of the placement hole 7, and two wing plates 17 matched with the sliding grooves 16 are respectively arranged at two ends of one side surface of the placement plate 8.
After the placement hole 7 is contacted with the fatigue testing machine 9, a wing plate 17 arranged on the placement plate 8 is inserted from one end of the sliding groove 16, the placement plate 8 is pushed to the inside of the placement hole 7, and the placement groove 18 is matched with the placement hole 7 to fix the fatigue testing machine 9.
As shown in fig. 2, a heat preservation cavity 19 is arranged in the rear side surface of the placement hole 7, a foam heat insulation board 20 is arranged on the top surface and the bottom surface of the heat preservation cavity 19, and gaps exist between the foam heat insulation boards 20; the inside hollow structure that is of locating plate 8, the inside top surface of locating plate 8 and bottom surface all are equipped with a foam heat insulating board 20, have the clearance between two foam heat insulating boards 20, and the foam heat insulating board 20 that is equipped with in the heat preservation chamber 19 is in order to further reduce the rate of heat transfer to guarantee that the environment in the box 2 is stable relatively.
As shown in fig. 3, a baffle 10 is disposed at the rear end of the interior of the case 2, the baffle 10 is used for dividing the interior of the case 2 into a front cavity 11 and a rear cavity 12, a plurality of ventilation holes 13 are disposed on the baffle 10, a temperature adjusting device 14 is disposed in the rear cavity 12, and the temperature adjusting device 14 can change the temperature in the front cavity 11 according to test requirements.
The temperature adjustment device 14 includes: the heating wire 141 and the liquid nitrogen nozzle 142, the liquid nitrogen nozzle 142 is fixedly connected with the rear part of the box body 2, the liquid nitrogen nozzle 142 is connected with a liquid nitrogen bottle, liquid nitrogen is injected into the box body 2 through the liquid nitrogen nozzle 142, and the liquid nitrogen is injected into the box body 2 to reduce the temperature in the box body 2 and is used for simulating a low-temperature working environment; the heating wire 141 is wrapped around the inner part of the rear cavity 12 of the liquid nitrogen nozzle 142 and is fixedly connected with the box body 2, and the heating wire 141 is used for raising the temperature in the box body 2 and simulating a high-temperature working environment.
As shown in fig. 3 and 4, the front cavity 11 is provided with an ultraviolet aging device 15, and the ultraviolet aging device 15 includes: the two ultraviolet spot lights 151, two ultraviolet spot lights 151 set up in the inside top surface of box 2 along the axis symmetry of box 2, and during the test, ultraviolet spot lights 151 can simulate the environment that sunshine shines for provide different sunshine environment for the test.
As shown in fig. 7, the fatigue testing machine 9 includes: the test bench comprises a workbench 91, a test bench 92, a cross beam 93, a test rod 94, a stand column 95 and an electrohydraulic servo valve 96, wherein the workbench 91 is fixedly connected with the cross beam 93 through the stand column 95, the test bench 92 is fixedly connected to the workbench 91, the electrohydraulic servo valve 96 is fixedly arranged on the top surface of the cross beam 93, the test rod 94 is arranged at the lower end of the electrohydraulic servo valve 96 and driven by the electrohydraulic servo valve 96, the test rod 94 can carry out fatigue aging test on a test object placed on the test bench 92, a sensor support 21 is arranged on the side part of the test bench 92, the test rod 94 is matched with a placement hole 7 arranged on the top surface inside a box 2 and a placement plate 8 arranged inside the placement hole 7, and the test bench 92 is matched with the placement plate 8 arranged inside the placement hole 7 arranged on the bottom surface inside the box 2.
As shown in fig. 5 and 6, the sensor holder 21 includes: the base 211, one side of the base 211 is provided with a first threaded hole 212 and a first clamping block 213, the lower part of the first clamping block 213 is provided with a first through hole 214, the axis of the first through hole 214 is collinear with the axis of the first threaded hole 212, the upper part of the first clamping block 213 is provided with a second through hole 215, a first supporting rod 216 is arranged in the second through hole 215 in a penetrating way, the middle part of the first clamping block 213 is provided with a first gap 217 communicated with the first through hole 214, the first gap 217 is vertical to the axis of the first through hole 214, a first threaded rod 218 is arranged in the first through hole 214 in a penetrating way, one end of the first threaded rod 218 is connected with the first threaded hole 212 in a matching way, and the other end of the first threaded rod 218 is provided with a first rotary handle 219;
rotating the first rotation knob 219 moves the threaded rod in an outward direction of the first threaded hole 212, thereby loosening the first slit 217 of the first clamping block 213, so that the first supporting rod 216 can move in the second through hole 215, thereby adjusting the clamping position of the first clamping block 213; when the first clamping block 213 is properly positioned, the first rotating handle 219 is rotated to move the first threaded rod 218 toward the inside of the first threaded hole 212, so that the first rotating handle 219 abuts against the first clamping block 213, the first slit 217 can be compressed, and the second through hole 215 can clamp the first supporting rod 216.
The first support rod 216 is further provided with a second clamping block 2110 in a penetrating mode, the lower portion of the second clamping block 2110 is provided with a third through hole 2111, the third through hole 2111 is sleeved on the first support rod 216, the upper portion of the second clamping block 2110 is provided with a fourth through hole 2112, the middle portion of the second clamping block 2110 is provided with a second gap 2113 communicated with the fourth through hole 2112, the second gap 2113 is perpendicular to the axis of the fourth through hole 2112, the side portion of the second clamping block 2110 is provided with a connecting block 2114, the connecting block 2114 is provided with a fifth through hole 2119 and a second threaded hole 2115, the second threaded hole 2115 is collinear with the axis of the fourth through hole 2112, a second support rod 2118 is fixedly arranged in the fifth through hole 2119 in a penetrating mode, the end portion of the second support rod 2118 is fixedly connected with a sensor, the fourth through hole 2112 is internally provided with a second threaded rod 2116, one end of the second threaded rod 2116 is connected with the second threaded hole 2115 in a matching mode, and the other end of the second threaded rod 2116 is provided with a second rotary handle 2117.
The second threaded rod 2116 is connected with a second threaded hole 2115 arranged on the connecting block 2114 in a matched manner through a fourth through hole 2112, the position of the second clamping block 2110 is adjusted, when the position of the second clamping block 2110 is proper, the second rotating handle 2117 is screwed, the second threaded rod 2116 moves towards the inner direction of the second threaded hole 2115, when the position of the second clamping block 2110 is adjusted, the second supporting rod 2118 is always kept in a horizontal state, after the second rotating block is abutted against the second clamping block 2110, the second rotating block is continuously screwed, the second gap 2113 is tightly pressed, the second clamping block 2110 is further fixed on the first supporting rod 216, and one end, far away from the connecting block 2114, of the second supporting rod 2118 is fixedly connected with a sensor through a screw.
Although the invention has been described in detail with reference to the foregoing embodiments, those skilled in the art may modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features thereof; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (1)
1. The load-environment coupling fatigue aging test device is characterized by comprising:
the device comprises a frame body (1), a box body (2) and a fatigue testing machine (9), wherein the front end of the box body (2) is connected with a door plate (3) through a hinge, two linear guide rails (4) are symmetrically arranged on the upper portion of the frame body (1) along the central line of the box body, two sliding blocks (5) are symmetrically arranged on the bottom surface of the box body (2) along the central line of the box body, two movable frames (201) are fixedly connected with the sliding blocks (5) on the same side respectively, one pulley (6) is arranged at the front end of the bottom surface of the movable frames (201), a U-shaped mounting hole (7) is symmetrically arranged on the top surface and the bottom surface of the box body (2), a mounting plate (8) is detachably connected in the mounting hole (7), the mounting plate (8) is used for mounting the fatigue testing machine (9), a baffle (10) is arranged at the rear end inside the box body (2), the baffle (10) is used for separating the inside of the box body (2) into a front cavity (11) and a rear cavity (12), and a plurality of air vent holes (14) are formed in the box body, and an ultraviolet ageing device (11) is arranged on the rear cavity (14);
a heat preservation cavity (19) is arranged in the rear side surface of the placement hole (7), a foam heat insulation board (20) is arranged on the top surface and the bottom surface of the heat preservation cavity (19), and gaps exist between the foam heat insulation boards (20); the inside of the placement plate (8) is of a hollow structure, the top surface and the bottom surface of the inside of the placement plate (8) are both provided with foam heat insulation plates (20), and gaps exist between the foam heat insulation plates (20) arranged on the top surface and the bottom surface;
the fatigue testing machine (9) comprises: the test device comprises a workbench (91), a test bench (92), a cross beam (93), a test rod (94), a stand column (95) and an electrohydraulic servo valve (96), wherein the workbench (91) is fixedly connected with the cross beam (93) through the stand column (95), the test bench (92) is fixedly connected with the workbench (91), the electrohydraulic servo valve (96) is fixedly arranged on the top surface of the cross beam (93), the test rod (94) is arranged at the lower end of the electrohydraulic servo valve (96) and is driven by the electrohydraulic servo valve (96), and a sensor bracket (21) is arranged at the side part of the test bench (92);
the top surface and the bottom surface inside the box body (2) are respectively provided with a group of sliding grooves (16), each group of sliding grooves (16) comprises two sliding grooves (16), the two sliding grooves (16) are symmetrically arranged along the central line of the placement hole (7), and two ends of one side surface of the placement plate (8) are respectively provided with a wing plate (17) matched with the sliding grooves (16); a semicircular placement groove (18) is formed in the rear end of the placement plate (8) and is used for being matched with the inner side surface of the placement hole (7);
the box body (2) is driven by the sliding blocks (5) to do linear motion along the direction of the linear sliding rail, and the sliding blocks (5) arranged on the bottom surface of the moving frame (201) enable the box body (2) to move stably;
the box body (2) continuously moves until the placement hole (7) is in contact with the fatigue testing machine (9), the placement plate (8) is inserted into the placement hole (7), and the placement groove (18) and the placement hole (7) are matched and sealed with the fatigue testing machine (9);
after the placement hole (7) is contacted with the fatigue testing machine (9), a wing plate (17) arranged on the placement plate (8) is inserted from one end of a sliding groove (16), the placement plate (8) is pushed to the inside of the placement hole (7), and the placement groove (18) is matched with the placement hole (7) to fix the fatigue testing machine (9);
the temperature adjustment device (14) includes: the liquid nitrogen nozzle (142) is fixedly connected to the rear part of the box body (2), the liquid nitrogen nozzle (142) is connected with a liquid nitrogen bottle, liquid nitrogen is injected into the box body (2) through the liquid nitrogen nozzle (142), and the heating wire (141) is coated on the periphery of the inner part of the rear cavity (12) of the liquid nitrogen nozzle (142) and is fixedly connected with the box body (2);
the ultraviolet aging device (15) comprises: the two ultraviolet spot lamps (151) are symmetrically arranged on the top surface inside the box body (2) along the central axis of the box body (2);
the side surface of the door plate (3) contacted with the box body (2) is provided with a rubber ring and cotton cloth;
the sensor holder (21) comprises: the base (211), one side of base (211) is equipped with first screw hole (212) and first clamp splice (213), first clamp splice (213) lower part is equipped with first through-hole (214), the axis of first through-hole (214) with the axis collineation of first screw hole (212), first clamp splice (213) upper portion is equipped with a second through-hole (215), wear to be equipped with first branch (216) in second through-hole (215), the middle part of first clamp splice (213) is equipped with a first gap (217) of intercommunication first through-hole (214), first gap (217) with the axis of first through-hole (214) is perpendicular, wear to be equipped with a first threaded rod (218) in first through-hole (214), first threaded rod (218) one end with first threaded hole (212) cooperation is connected, the other end of first threaded rod (218) is equipped with first rotation handle (219);
still wear to be equipped with second clamp splice (2110) on first branch (216), the lower part of second clamp splice (2110) is equipped with a third through-hole (2111), third through-hole (2111) cover is located on first branch (216), second clamp splice (2110) upper portion is equipped with fourth through-hole (2112), the middle part of second clamp splice (2110) is equipped with intercommunication second gap (2113) of fourth through-hole (2112), second gap (2113) with the axis of fourth through-hole (2112) is perpendicular, the lateral part of second clamp splice (2110) is equipped with connecting block (2114), be equipped with fifth through-hole (2119) and second screw hole (2115) on connecting block (2114), second screw hole (2115) with the axis collineation of fourth through-hole (2112), wear to be fixed with second branch (2118) in fifth through-hole (9), the tip fixed connection of second branch (8) has second through-hole (2116) threaded rod (2116), second threaded rod (2116) is equipped with second threaded rod (2116), second threaded rod (2116).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311117352.0A CN116879082B (en) | 2023-09-01 | 2023-09-01 | Load-environment coupling fatigue aging test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311117352.0A CN116879082B (en) | 2023-09-01 | 2023-09-01 | Load-environment coupling fatigue aging test device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116879082A CN116879082A (en) | 2023-10-13 |
| CN116879082B true CN116879082B (en) | 2024-02-06 |
Family
ID=88271734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311117352.0A Active CN116879082B (en) | 2023-09-01 | 2023-09-01 | Load-environment coupling fatigue aging test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116879082B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017088602A1 (en) * | 2016-05-18 | 2017-06-01 | 中车青岛四方车辆研究所有限公司 | Brake beam fatigue test bench |
| CN206848092U (en) * | 2017-01-09 | 2018-01-05 | 广州泰升工业技术有限公司 | A kind of brake fatigue test rack |
| CN109253745A (en) * | 2017-07-14 | 2019-01-22 | 天津玛特检测设备有限公司 | A kind of Multifunction Sensor measurement bracket |
| CN209485532U (en) * | 2018-12-29 | 2019-10-11 | 青岛海尔智慧厨房电器有限公司 | Adjustable support |
| CN110487651A (en) * | 2019-08-14 | 2019-11-22 | 温州大学 | The electronic type fatigue tester and its fatigue test method of analog natural environment |
| CN113203644A (en) * | 2021-04-16 | 2021-08-03 | 中国科学院金属研究所 | Fatigue test device in high-temperature liquid lead bismuth environment and use method |
| CN114608938A (en) * | 2021-12-16 | 2022-06-10 | 青岛科技大学 | Variable-temperature fatigue test device |
| CN217033381U (en) * | 2022-02-22 | 2022-07-22 | 深圳龙运橡胶制品有限公司 | Rubber film fatigue life test device |
| CN219348468U (en) * | 2023-04-04 | 2023-07-14 | 浙江三孚科技有限公司 | Mining rubber tube resistance to compression testing arrangement |
-
2023
- 2023-09-01 CN CN202311117352.0A patent/CN116879082B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017088602A1 (en) * | 2016-05-18 | 2017-06-01 | 中车青岛四方车辆研究所有限公司 | Brake beam fatigue test bench |
| CN206848092U (en) * | 2017-01-09 | 2018-01-05 | 广州泰升工业技术有限公司 | A kind of brake fatigue test rack |
| CN109253745A (en) * | 2017-07-14 | 2019-01-22 | 天津玛特检测设备有限公司 | A kind of Multifunction Sensor measurement bracket |
| CN209485532U (en) * | 2018-12-29 | 2019-10-11 | 青岛海尔智慧厨房电器有限公司 | Adjustable support |
| CN110487651A (en) * | 2019-08-14 | 2019-11-22 | 温州大学 | The electronic type fatigue tester and its fatigue test method of analog natural environment |
| CN113203644A (en) * | 2021-04-16 | 2021-08-03 | 中国科学院金属研究所 | Fatigue test device in high-temperature liquid lead bismuth environment and use method |
| CN114608938A (en) * | 2021-12-16 | 2022-06-10 | 青岛科技大学 | Variable-temperature fatigue test device |
| CN217033381U (en) * | 2022-02-22 | 2022-07-22 | 深圳龙运橡胶制品有限公司 | Rubber film fatigue life test device |
| CN219348468U (en) * | 2023-04-04 | 2023-07-14 | 浙江三孚科技有限公司 | Mining rubber tube resistance to compression testing arrangement |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116879082A (en) | 2023-10-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106646947A (en) | Gammatuning testing jig for FOG liquid crystal screen | |
| CN109029967B (en) | A strength test device for aerostatics connecting piece | |
| CN209102509U (en) | A kind of frock clamp of high temperature and humidity temperature shock test box | |
| CN116879082B (en) | Load-environment coupling fatigue aging test device | |
| CN114814446A (en) | Piezoresistor testing device | |
| CN207779672U (en) | The optical characteristics automatic measurement board of flat-panel monitor under a kind of high and low temperature environment | |
| CN111413068A (en) | Optical detection device | |
| CN111332784A (en) | Centering positioning transverse moving lifting device | |
| CN113484006A (en) | Box cover opening and closing detection machine | |
| CN213456386U (en) | Tensile testing device is used in production of high strength stretch film | |
| CN215894445U (en) | High-precision measuring device for thermal deformation of petroleum machinery parts | |
| CN113489490B (en) | Testing device of multichannel digital-to-analog converter | |
| CN114545041A (en) | Detection apparatus for electrical automation equipment | |
| CN209979468U (en) | Double-station glass bottle surface spraying friction tester | |
| CN212255010U (en) | Aeroengine blade centre gripping frock | |
| CN216217284U (en) | Lens analytic force testing device | |
| CN117929100B (en) | Wear-resistant detection device and method for automobile parts | |
| CN220490608U (en) | Cross scraping testing machine | |
| CN219302110U (en) | Frock clamp for glass scratch-resistant constant force test | |
| CN219799034U (en) | Multi-angle precision tensile testing machine | |
| CN115728035A (en) | Automatic laser testing device and method | |
| CN109141862B (en) | Hinge stability testing device | |
| CN219997127U (en) | Test bench for manufacturing electronic equipment | |
| CN220463578U (en) | Fixing device for product in high-low temperature environment | |
| CN111496147B (en) | Bending device for probe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |