CN111579470A - Simulation experiment device in asphalt aging process - Google Patents
Simulation experiment device in asphalt aging process Download PDFInfo
- Publication number
- CN111579470A CN111579470A CN202010459512.XA CN202010459512A CN111579470A CN 111579470 A CN111579470 A CN 111579470A CN 202010459512 A CN202010459512 A CN 202010459512A CN 111579470 A CN111579470 A CN 111579470A
- Authority
- CN
- China
- Prior art keywords
- fixed
- water outlet
- rod
- cavity
- sample
- 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.)
- Pending
Links
- 230000032683 aging Effects 0.000 title claims abstract description 71
- 239000010426 asphalt Substances 0.000 title claims abstract description 26
- 238000004088 simulation Methods 0.000 title claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 125
- 230000007246 mechanism Effects 0.000 claims abstract description 30
- 238000000034 method Methods 0.000 claims abstract description 25
- 238000005096 rolling process Methods 0.000 claims abstract description 18
- 239000012780 transparent material Substances 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 17
- 238000005507 spraying Methods 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000009467 reduction Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims 1
- 230000009471 action Effects 0.000 abstract description 9
- 239000013307 optical fiber Substances 0.000 abstract description 9
- 239000007921 spray Substances 0.000 abstract description 5
- 230000008569 process Effects 0.000 description 15
- 238000012360 testing method Methods 0.000 description 6
- 239000003570 air Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 239000011384 asphalt concrete Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Images
Classifications
-
- 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
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Environmental & Geological Engineering (AREA)
- Environmental Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention discloses a simulation experiment device in an asphalt aging process, which comprises a temperature-control aging box and an aging simulation device arranged in the temperature-control aging box, wherein an upper chamber and a lower chamber are arranged in the temperature-control aging box, a power chamber and water storage chambers positioned on the left side and the right side of the power chamber are also respectively arranged in the lower chamber, a sample tray made of transparent materials is horizontally and rotatably connected in the upper chamber, a sample to be tested is arranged in the sample tray, an optical fiber sensor is horizontally arranged above the inner part of the sample to be tested, a right fixing plate and a left fixing plate which are in an L-shaped structure are respectively fixed on the outer walls of the left side and the right side of the sample to be tested, a rolling mechanism is arranged between the two right fixing plates and the left fixing plate, the aging simulation device comprises a sunshine device, a temperature control device and a spray device, and; the method is suitable for simulating the general damage of the asphalt pavement under the combined action of ultraviolet irradiation, day and night large temperature difference and load in high-altitude and high-cold areas.
Description
Technical Field
The invention relates to the technical field of asphalt aging tests, in particular to a simulation experiment device in an asphalt aging process.
Background
Asphalt aging is one of the main causes of asphalt concrete pavement diseases, and the damage of the asphalt concrete pavement caused by the asphalt aging is huge. Asphalt aging factors are various, such as volatilization, oxidation, polymerization, light, water, and the like. Before the asphalt is put into use, the asphalt needs to be subjected to an aging test to check the relevant performances of the asphalt.
At present, the method for studying the ultraviolet light aging of asphalt by scholars at home and abroad mainly comprises two methods: natural atmosphere exposure and artificial accelerated aging; the natural atmosphere exposure method can almost perfectly reduce the influence of various factors on the asphalt under the natural condition, and the obtained result is naturally the most approximate to the real condition, but the method has the defects that the aging test period is too long, and the repeatability of the test result is poor; therefore, the artificial accelerated aging test is widely used.
The asphalt aging box in the existing market simulates sunlight irradiation by adopting ultraviolet lamp light, but the surface distance between an ultraviolet lamp tube and an asphalt sample to be measured cannot be adjusted or is difficult to adjust, and a large error can be generated in the simulation process.
Disclosure of Invention
The invention aims to provide a simulation experiment device in an asphalt aging process to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a simulation experiment device in pitch aging process, includes accuse temperature ageing oven and sets up the ageing analogue means in accuse temperature ageing oven, be equipped with cavity and cavity down in the accuse temperature ageing oven, and go up the cavity and articulate the switch door, still be equipped with the power cavity respectively in the cavity down and be located the reservoir chamber of the power cavity left and right sides, it is fixed with the ambient temperature sensor who is used for detecting whole cavity internal temperature to go up the cavity top end, be equipped with control switch group respectively on the lateral wall of cavity down, display screen and with all electron device electric connection's controller, the horizontal rotation is connected with the sample tray of transparent material in the cavity up, and is equipped with the sample to be measured in the sample tray, and the top level that lies in the sample inside to be measured is equipped with the full optical fiber temperature sensor of the two parameters of temperature-pressure, the sample left and right sides outer wall that is fixed with "L" shape structure respectively and, a rolling mechanism is arranged between the two right fixing plates and the left fixing plate, a coupler is fixed on the left side of the sample tray, and a laser matched with the coupler is fixed on one side, close to the sample tray, of the left fixing plate;
the rolling mechanism comprises a screw rod, a pair of slide blocks, a rolling roller and a driving mechanism, wherein the screw rod is positioned above the sample tray and is parallel to the bottom end face of the sample tray;
the aging simulation device comprises a sunshine device, a spraying device and a temperature control device, the sunshine device comprises a lifting rod vertically penetrating the upper end of the upper chamber, a reflecting lampshade fixed on the bottom end of the lifting rod, a lamp holder fixed in the reflecting lampshade and connected with the inner wall of the reflecting lampshade in a sliding mode along the vertical direction, and high-pressure pump lamps uniformly fixed on the bottom end of the lamp holder, and seepage holes are uniformly formed in the position, right opposite to the water storage chamber, of the bottom end of the upper chamber;
the spraying device comprises a water pump fixed in the water storage chamber, water inlet pipes which are respectively embedded in the left side wall and the right side wall of the temperature control aging box and are connected with the corresponding water pump, two water outlet pipes which are horizontally positioned at the left side and the right side above the upper cavity and are symmetrical relative to the lifting rod, and water outlet mechanisms which are distributed on the bottom end face of each water outlet pipe at equal intervals, and the ends of the two water outlet pipes close to the lifting rod are sealed ends, the upper end of each water outlet pipe is vertically fixed with a guide support rod which is connected with the inner wall of the top end of the upper chamber in a sliding way along the direction parallel to the water outlet pipe, each guide support rod is hinged on the side wall of the lifting rod through a connecting rod, one end of each water outlet pipe far away from the lifting rod is connected with the corresponding water inlet pipe through a corrugated hose, and the outer side of the corrugated hose is sleeved with a connecting spring, one end of the connecting spring is connected with the water outlet pipe, and the other end of the connecting spring is connected with the side wall in the upper chamber.
Preferably, the inner wall of the upper chamber is provided with a heat-insulating layer, and the heat-insulating layer is made of sponge materials.
Preferably, the top of accuse temperature ageing oven is fixed with the fan, and the output of fan and the inside intercommunication of epicoele chamber, the gas outlet still establishes on the top of accuse temperature ageing oven, and is equipped with the electric switch valve on the gas outlet.
Preferably, the driving mechanism comprises a positive and negative rotation motor which is fixed in the power chamber and has an output shaft perpendicular to the screw rod, a driving rod which penetrates through the right fixing plate and is perpendicular to the screw rod through a bearing, a driving gear which is fixed on the top end of the driving rod and a driven gear which is fixed on the screw rod and is matched with the driving gear, the output shaft of the positive and negative rotation motor extends into the upper chamber through the power chamber and is fixed at the center position of the bottom end of the sample tray, and transmission chain wheels are fixed at the position, located in the upper chamber, of the upper end of the output shaft of the positive and negative rotation motor and at the bottom end of the driving.
Preferably, the lifting rod comprises an adjusting sleeve, an adjusting rod and a power mechanism, the adjusting sleeve is vertically arranged at the top end of the upper cavity and is in sliding connection with a through hole vertically formed in the top end of the upper cavity, the adjusting rod is sleeved in the adjusting sleeve and is in threaded connection with the inner wall of the adjusting sleeve, the power mechanism is used for driving the adjusting sleeve to lift, the bottom end of the adjusting rod penetrates through the adjusting sleeve and extends into the reflecting lamp cover to be connected with the bottom end of the lamp holder, and a rotating handle is fixed at the top.
Preferably, the power mechanism comprises an adjusting gear fixed on the top end of the temperature control aging box, the adjusting gear is matched with a rack arranged on the side wall of the upper end of the adjusting sleeve, and a speed reduction motor can be fixed on a rotating shaft of the adjusting gear.
Preferably, the inner wall of the bottom end of the through hole is provided with a sealing ring.
Preferably, the water outlet mechanism comprises water outlet ends fixed at the bottom end of the water outlet pipe at equal intervals and a limiting cover arranged outside the water outlet ends by a sealing sleeve, each water outlet end is a flexible pipe body with one end communicated with the inside of the water outlet pipe and the other end serving as a sealing end, and water outlet holes are uniformly formed in the sealing end of the flexible pipe body.
Compared with the prior art, the invention has the beneficial effects that:
(1) the aging simulation device comprises a sunshine device and a spray device, wherein the sunshine device comprises a lifting rod vertically penetrating through the upper end of an upper cavity, a reflecting lampshade fixed on the bottom end of the lifting rod, a lamp holder fixed in the reflecting lampshade and connected with the inner wall of the reflecting lampshade in a sliding manner along the vertical direction, and a high-pressure pump lamp uniformly fixed on the bottom end of the lamp holder, the spray device comprises a water pump fixed in a water storage chamber, water inlet pipes respectively embedded in the left side wall and the right side wall of a temperature-controlled aging box and connected with the corresponding water pumps, two water outlet pipes horizontally positioned on the left side and the right side above the upper cavity and symmetrical relative to the lifting rod, and water outlet mechanisms distributed on the bottom end surface of each water outlet pipe at equal intervals, one ends of the two water outlet pipes close to the lifting rod are sealed ends, a guide support rod connected with the, each guide support rod is hinged on the side wall of the lifting rod through a connecting rod, one end of each water outlet pipe, far away from the lifting rod, is connected with a corresponding water inlet pipe through a corrugated hose, a connecting spring is sleeved outside the corrugated hose, one end of the connecting spring is connected with a water outlet pipe, the other end of the connecting spring is connected with the side wall in the upper cavity, the lifting rod comprises an adjusting sleeve which is in sliding connection with a through hole vertically formed in the top end of the upper cavity, an adjusting rod which is sleeved in the adjusting sleeve and is in threaded connection with the inner wall of the adjusting sleeve and a power mechanism for driving the adjusting sleeve to lift, the bottom end of the adjusting rod penetrates through the adjusting sleeve and extends into the reflecting lamp cover to be connected with the bottom end of the lamp holder, a rotating handle is fixed at the top end of the adjusting rod, when a sample to be detected is, when the test sample to be tested is simulated to precipitation (no sunlight exists in rainy weather, so the high-pressure pump lamp needs to be turned off), the speed reduction motor is started to drive the adjusting gear to rotate reversely so as to enable the adjusting sleeve to drive the sunshine device to rise, and in the process of rising the adjusting sleeve, the connecting rod is changed from the horizontal state to the inclined state, the connecting rod pulls the outlet pipe and moves along the position department of the straight line at horizontal direction adjusting sleeve place under the effect of direction bracing piece, when two outlet pipes contact, the stall adjusting gear, then can rotate rotatory handle and make the regulation pole drive lamp stand and high-pressure pump lamp rise along the reflection of light lamp shade, prevent to spray the in-process, the water droplet gets into in the reflection of light lamp shade and drenches and lead high-pressure pump lamp. After the operation is finished, the water pump is started, under the action of the water pump, water stored in the water storage tank sequentially enters the water outlet pipe through the water inlet pipe and the corrugated hose and is sprayed to a sample to be tested through the water outlet end, the water outlet end is a hose body with one end communicated with the inside of the water outlet pipe and the other end serving as a sealing end, the sealing end of the hose body is uniformly provided with a water outlet hole, and then the spraying device can be started.
(2) As shown in (1), the sunshine device and the spraying device can be alternately used through the matching of the lifting rod and the connecting rod.
(3) The water outlet mechanism comprises water outlet ends fixed at the bottom end of the water outlet pipe at equal intervals and a limiting cover arranged outside the water outlet ends by a sealing sleeve, each water outlet end is a flexible pipe body with one end communicated with the inside of the water outlet pipe and the other end serving as the sealing end, water outlet holes are uniformly formed in the sealing end of the flexible pipe body, and when the spraying device is started, the flexible pipe body can swing within the range of the limiting cover when water is sprayed out through the flexible pipe body, so that the water sprayed out by the spraying device is more uniformly sprayed on a sample to be tested in the rotating process of the sample tray, the experiment error is reduced, and the experiment precision is improved.
(4) Placing a sample to be tested in a sample tray, starting a control switch group, starting a temperature control aging box to heat the inner part of an upper chamber, stopping heating when the temperature in the upper chamber reaches a preset value (in the experimental process, when an environment temperature sensor detects that the temperature in the upper chamber exceeds the preset value, the environment temperature sensor converts a detected signal into an electric signal and transmits the electric signal to a controller, the controller controls a fan to work, at the moment, an electric switch valve is electrified to open an air outlet, the inner part of the upper chamber is cooled under the action of the fan, the work is stopped when the temperature in the upper chamber falls to the preset value, at the moment, the electric switch valve is powered off and closes the air outlet), then starting a forward and reverse motor, driving the sample tray to rotate (the sample tray rotates clockwise and anticlockwise alternately) under the action of the forward and reverse motor, enabling the sample to be tested to uniformly receive the irradiation of a high-pressure pump lamp in the rotating process of the sample tray, in the process that a forward and reverse motor drives a sample tray to rotate, a driving rod is driven to rotate under the matching of a driving chain wheel and a driving chain, a lead screw is driven to rotate by the driving rod under the matching of a driving gear and a driven gear in the rotating process, the lead screw drives two sliding blocks and a grinding roller fixed on the two sliding blocks to rotate while rotating, and therefore loading force is applied to a sample to be tested.
(5) The invention applies the design that the receiving stripe moves due to the influence of temperature change and pressure change when the laser is transmitted in the optical fiber, controls the temperature of the experimental device by using the temperature control aging box and the temperature sensor, applies load by using the rolling mechanism, and changes the temperature of the sample to be tested under the load by using the optical fiber temperature sensor.
(6) The invention is suitable for simulating the general damage of the asphalt pavement under the combined action of ultraviolet irradiation, day and night large temperature difference and load in high-altitude and high-cold areas.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a structural cross-sectional view of the present invention;
FIG. 3 is a cross-sectional view of the structure at A in FIG. 1;
FIG. 4 is an enlarged view of the structure at B in FIG. 1;
FIG. 5 is an enlarged view of the structure at C in FIG. 2;
fig. 6 is a schematic view of the installation of the rolling mechanism.
In the figure: 1. a temperature control aging box; 101. a heat-insulating layer; 2. a sample tray; 31. a right fixing plate; 32. a left fixing plate; 4. a sample to be tested; 5. an optical fiber temperature sensor; 61. a screw rod; 62. a slider; 63. rolling a roller; 64. a driven gear; 65. a driving gear; 66. a drive rod; 67. a drive sprocket; 68. a drive chain; 7. a water inlet pipe; 8. a high-pressure pump lamp; 9. an electric switch valve; 10. a lamp socket; 11. a solar radiation device; 111. adjusting a rod; 112. an adjustment sleeve; 113. a seal ring; 12. an adjusting gear; 13. a connecting rod; 14. a fan; 15. a guide support rod; 16. a light reflecting lampshade; 17. a water seepage hole; 18. a positive and negative rotation motor; 19. a water pump; 20. a laser; 21. a coupler; 22. a spraying device; 221. a water outlet pipe; 222. a corrugated hose; 223. a connecting spring; 224. a water outlet end; 225. a limiting cover; 23. an ambient temperature sensor; 24. opening and closing the door; 25. a controller; 26. a control switch group; 27. a display screen.
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.
Referring to fig. 1-6, an embodiment of the present invention is shown: a simulation experiment device in the asphalt aging process comprises a temperature-controlled aging box 1 and an aging simulation device arranged in the temperature-controlled aging box 1 (in the embodiment, the temperature-controlled aging box 1 is a box body with a temperature-controlled function and a heating resistance wire arranged at the bottom of an upper chamber and is used for simulating temperature difference day and night, the temperature-controlled aging box 1 can also adopt other heating modes such as a compressor and the like, and is mature prior art, so that the temperature difference cannot be repeated, an upper chamber and a lower chamber are arranged in the temperature-controlled aging box 1, the upper chamber is hinged with a switch door 24, the lower chamber is also respectively provided with a power chamber and water storage chambers positioned at the left side and the right side of the power chamber, the top end of the upper chamber is fixedly provided with an environmental temperature sensor 23 for detecting the internal temperature of the whole chamber, the outer side wall of the lower chamber is respectively provided with a control switch group 26, a display screen 27 and a controller 25, the horizontal rotation is connected with transparent material's sample tray 2 in the upper chamber, and is equipped with the sample 4 that awaits measuring in the sample tray 2, and the top level that is located the sample 4 that awaits measuring inside is equipped with temperature-pressure double parameter's full optical fiber sensor 5, the sample 4 that awaits measuring left and right sides outer wall is fixed with right fixed plate 31 and the left fixed plate 32 of "L" shape structure respectively, and is equipped with the rolling mechanism between two right fixed plate 31 and the left fixed plate 32, the left side of sample tray 2 is fixed with coupler 21, and one side that left fixed plate 32 is close to sample tray 2 is fixed with the laser instrument 20 with coupler 21 looks adaptation, the input of coupler 21 is corresponded to the laser beam of coupler 21, and optical fiber temperature sensor 5 is penetrated to the laser beam of coupler 21, and optical fiber sensor 5's output is connected with the spectrum appearance through data transmission, and spectrum appearance and controller 25, the optical fiber sensor 5 outputs the received optical signal to the spectrometer, and the spectrometer converts the optical signal into an electrical signal, converts the electrical signal into a digital signal and outputs the digital signal to the controller 25;
the rolling mechanism comprises a screw rod 61 which is positioned above the sample tray 2 and is parallel to the bottom end face of the sample tray 2, a pair of slide blocks 62 which are sleeved on the screw rod 61 and are in sliding connection with the screw rod 61, a rolling roller 63 which is fixed on the bottom end of each slide block 62 and is used for rolling a sample 4 to be tested, and a driving mechanism which is used for driving the screw rod 61 to rotate;
the aging simulation device comprises a sunshine device 11 and a spray device 22, the sunshine device 11 comprises a lifting rod vertically penetrating the upper end of the upper chamber, a reflecting lampshade 16 fixed on the bottom end of the lifting rod, a lamp holder 10 fixed in the reflecting lampshade 16 and slidably connected with the inner wall of the reflecting lampshade 16 along the vertical direction, and high-pressure pump lamps 8 uniformly fixed on the bottom end of the lamp holder 10, and water seepage holes 17 are uniformly formed in the position of the bottom end of the upper chamber, which is right opposite to the water storage chamber;
the spraying device 22 comprises a water pump 19 fixed in a water storage chamber, water inlet pipes 7 respectively embedded in the left and right side walls of the temperature control aging box 1 and connected with the corresponding water pump 19, two water outlet pipes 221 horizontally positioned at the left and right sides above the upper chamber and symmetrical about the lifting rod, and water outlet mechanisms distributed on the bottom end face of each water outlet pipe 221 at equal intervals, wherein one ends of the two water outlet pipes 221 close to the lifting rod are sealed ends, the upper end of each water outlet pipe 221 is vertically fixed with guide support rods 15 connected with the inner wall of the top end of the upper chamber in a sliding manner along the direction parallel to the water outlet pipes 221, each guide support rod 15 is hinged on the side wall of the lifting rod through a connecting rod 13, one end of each water outlet pipe 221 far away from the lifting rod is connected with the corresponding water inlet pipe 7 through a corrugated hose 222, a connecting spring 223 is sleeved outside the corrugated hose 222, and one end of, the other end is connected with the side wall in the upper chamber.
Further, the inner wall of the upper chamber is provided with a heat insulation layer 101, and the heat insulation layer 101 is made of sponge materials, so that the temperature control aging box 1 is prevented from reducing heat loss in the heating process.
Further, the top of accuse temperature ageing oven 1 is fixed with fan 14, and the output and the inside intercommunication of epicoele chamber of fan 14, the gas outlet still has been established on the top of accuse temperature ageing oven 1, and be equipped with electric switch valve 9 on the gas outlet, when the inside temperature of accuse temperature ageing oven 1 surpasses the default, at this moment, fan 14 and electric switch valve 9 circular telegram, the gas outlet is opened simultaneously, start-up work is inhaled the ambient air in the accuse temperature ageing oven 1 and under the cooperation of gas outlet after the 14 circular telegrams of fan, make the inside air current that forms of accuse temperature ageing oven 1, thereby make the inside gas of accuse temperature ageing oven 1 discharge from giving vent to anger, consequently under fan 14's effect, carry out rapid cooling to the inside environment of accuse temperature ageing oven 1.
Further, the driving mechanism comprises a forward and reverse rotation motor 18 fixed in the power chamber and having an output shaft perpendicular to the screw rod 61, a driving rod 66 penetrating through the right fixing plate 31 through a bearing and perpendicular to the screw rod 61, a driving gear 65 fixed on the top end of the driving rod 66 and a driven gear 64 fixed on the screw rod 61 and adapted to the driving gear 65, wherein the output shaft of the forward and reverse rotation motor 18 extends into the upper chamber through the power chamber and is fixed at the center of the bottom end of the sample tray 2, a transmission sprocket 67 is fixed at the upper end of the output shaft of the forward and reverse rotation motor 18 in the upper chamber and at the bottom end of the driving rod 66, the two transmission sprockets 67 are in transmission connection through a transmission chain 68, and when the forward and reverse rotation motor 18 drives the sample tray 2 to rotate, under the mutual matching of the driving rod 66, the driving gear 65, the driven gear 64, the transmission sprocket, so that the screw 61 rotates and simultaneously drives the two sliders 62 positioned thereon to move left and right along the screw 61 horizontally so as to drive the two rolling rollers 63 to move, and thus the two rolling rollers 63 roll the sample 4 to be tested repeatedly.
Furthermore, the lifting rod comprises an adjusting sleeve 112 slidably connected with a through hole vertically formed at the top end of the upper chamber, an adjusting rod 111 sleeved in the adjusting sleeve 112 and in threaded connection with the inner wall of the adjusting sleeve 112, and a power mechanism for driving the adjusting sleeve 112 to lift, wherein the bottom end of the adjusting rod 111 penetrates through the adjusting sleeve 112 and extends into the light reflecting shade 16 to be connected with the bottom end of the lamp holder 10, and a rotating handle is fixed at the top end of the adjusting rod 111 penetrating through the upper end of the adjusting sleeve 112.
Further, power unit is including fixing the adjusting gear 12 on accuse temperature ageing oven 1 top, and adjusting gear 12 cooperatees with the rack that sets up at adjusting sleeve 112 upper end lateral wall, and can be fixed with gear motor in adjusting gear 12's the pivot, drives adjusting gear 12 through gear motor and rotates the lift that drives adjusting sleeve 112 and drive sunshine device 11 lift.
Further, the bottom inner wall of through-hole is equipped with sealing washer 113, prevents that the inside steam of upper chamber from escaping from the through-hole.
Furthermore, the water outlet mechanism comprises water outlet ends 224 fixed at the bottom end of the water outlet pipe 221 at equal intervals and a limiting cover 225 arranged outside the water outlet ends 224 in a sealing manner, each water outlet end 224 is a flexible pipe body with one end communicated with the inside of the water outlet pipe 221 and the other end serving as a sealing end, water outlet holes are uniformly formed in the sealing end of the flexible pipe body, when the spraying device 22 is started, the flexible pipe body is relatively soft, when water is sprayed out through the flexible pipe body, the flexible pipe body can swing within the range of the limiting cover 225, and in the rotating process of the sample tray 2, the water sprayed out by the spraying device 22 is sprayed on the sample 4 to be tested more uniformly.
The working principle is as follows: an external power supply is switched on, a sample 4 to be tested is placed in a sample tray 2, then a control switch group 26 is started, a temperature control aging box 1 starts to heat the inner part of an upper chamber, when the temperature in the upper chamber reaches a preset value, heating is stopped (in the experimental process, when the temperature in the upper chamber detected by an environment temperature sensor 23 exceeds the preset value, the environment temperature sensor 23 converts a detected signal into an electric signal and transmits the electric signal to a controller 25, the controller 25 controls a fan 14 to work, at the moment, an electric switch valve 9 is powered on to open an air outlet, under the action of the fan 14, the temperature in the upper chamber is reduced, when the temperature in the upper chamber falls to the preset value, the work is stopped, at the moment, the electric switch valve 9 is powered off to close the air outlet, then a forward and reverse motor 18 is started, the sample tray 2 is driven to rotate (the sample tray 2 rotates clockwise and anticlockwise alternately), sample tray 2 pivoted in-process can make the sample 4 that awaits measuring can evenly receive the shining of high-pressure pump lamp 8, drive sample tray 2 pivoted in-process at just reversing motor 18, it rotates to drive actuating lever 66 under the cooperation of drive sprocket 67 and drive chain 68, and actuating lever 66 drives lead screw 61 and rotates under the pivoted in-process through the cooperation of driving gear 65 and driven gear 64, lead screw 61 drives two sliders 62 and fixes the roller 63 rotation on two sliders 62 in the pivoted simultaneously, thereby realized rolling the operation to the surface of the sample 4 that awaits measuring.
When the sunshine is simulated for the sample 4 to be tested, (the initial position of the sunshine device 11 is shown in fig. 2), the speed reduction motor is started to drive the adjusting gear 12 to rotate to drive the adjusting sleeve 112 to descend, in the descending process of the adjusting sleeve 112, the connecting rod 13 is enabled to push the water outlet pipe 221 in the process of changing from the inclined state to the horizontal state, the water outlet pipe 221 extrudes the corrugated hose 222 and the connecting spring 223 along the horizontal direction to approach the side wall of the upper cavity under the action of the guide supporting rod 15, when the two water outlet pipes 221 move to the left side and the right side of the reflector lamp shade 16, the rotation of the adjusting gear 12 is stopped, according to the experimental requirements, the lamp holder 10 is enabled to drive the high-pressure pump lamp 8 to slide along the inner wall of the reflector lamp shade 16 in the.
When the sample 4 to be measured is subjected to precipitation simulation (no sunlight exists in rainy weather, and therefore the high-pressure pump lamp 8 needs to be turned off), the speed reduction motor is started to drive the adjusting gear 12 to rotate reversely so as to enable the adjusting sleeve 112 to drive the sunshine device 11 to ascend, in the ascending process of the adjusting sleeve 112, in the process that the connecting rod 13 is changed from the horizontal state to the inclined state, the connecting rod 13 pulls the water outlet pipe 221 and moves along the position of the straight line where the adjusting sleeve 112 is located in the horizontal direction under the action of the guide supporting rod 15, when the two water outlet pipes 221 are in contact, the adjusting gear 12 stops rotating, then the rotating handle can be rotated so that the adjusting rod 111 drives the lamp holder 10 and the high-pressure pump lamp 8 to ascend along the reflecting lampshade 16, and in the spraying process, water drops are prevented from entering the reflecting lampshade 16 to wet the high-. After the operation is finished, the water pump 19 is started, under the action of the water pump 19, the water stored in the water storage tank sequentially enters the water outlet pipe 221 through the water inlet pipe 7 and the corrugated hose 222, and is then sprayed onto the sample 4 to be tested through the water outlet end 224, because each water outlet end 224 is a hose body with one end communicated with the interior of the water outlet pipe 221 and the other end being a sealed end, the sealed end of the hose body is uniformly provided with water outlet holes, when the spraying device 22 is started, because the hose body is relatively soft, when the water is sprayed out through the hose body, the hose body can swing within the range of the limit cover 225, in the rotating process of the sample tray 2, the water sprayed out of the spraying device 22 is more uniformly sprayed onto the sample 4 to be tested, the experimental error is reduced to improve the accuracy of the experimental data, and the water sprayed out of the sample tray 2 flows into the water storage tank again through the water outlet holes 17 for, thereby being beneficial to saving resources.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (8)
1. The utility model provides an in-process simulation experiment device that pitch is ageing, is including accuse temperature ageing oven (1) and the ageing analogue means of setting in accuse temperature ageing oven (1), be equipped with cavity and cavity down in accuse temperature ageing oven (1), and go up the cavity and articulate there is switch door (24), still be equipped with the power cavity respectively in the cavity down and lie in the reservoir chamber of the power cavity left and right sides, it is fixed with ambient temperature sensor (23) that are used for detecting the inside temperature of whole cavity to go up the cavity top, be equipped with control switch group (26) on the lateral wall of cavity down respectively, display screen (27) and with all electron device electric connection's controller (25), its characterized in that: the sample tray (2) made of transparent materials is horizontally and rotatably connected in the upper cavity, a sample (4) to be detected is arranged in the sample tray (2), a temperature-pressure double-parameter all-fiber sensor (5) is horizontally arranged above the interior of the sample (4) to be detected, a right fixing plate (31) and a left fixing plate (32) of an L-shaped structure are respectively fixed on the outer walls of the left side and the right side of the sample (4) to be detected, a rolling mechanism is arranged between the two right fixing plates (31) and the left fixing plate (32), a coupler (21) is fixed on the left side of the sample tray (2), and a laser (20) matched with the coupler (21) is fixed on one side, close to the sample tray (2), of the left fixing plate (32);
the rolling mechanism comprises a screw rod (61) which is positioned above the sample tray (2) and is parallel to the bottom end face of the sample tray (2), a pair of slide blocks (62) which are sleeved on the screw rod (61) and are in sliding connection with the screw rod (61), rolling rollers (63) which are fixed on the bottom ends of the slide blocks (62) and are used for rolling a sample (4) to be tested, and a driving mechanism which is used for driving the screw rod (61) to rotate;
the aging simulation device comprises a sunshine device (11), a temperature control device and a spraying device (22), the sunshine device (11) comprises a lifting rod vertically penetrating through the upper end of the upper chamber, a light reflecting lampshade (16) fixed on the bottom end of the lifting rod, a lamp holder (10) fixed in the light reflecting lampshade (16) and slidably connected with the inner wall of the light reflecting lampshade (16) along the vertical direction, and high-pressure pump lamps (8) uniformly fixed on the bottom end of the lamp holder (10), and the bottom end of the upper chamber is just opposite to the position of the water storage chamber and is uniformly provided with water seepage holes (17);
the spraying device (22) comprises a water pump (19) fixed in a water storage chamber, water inlet pipes (7) which are respectively embedded in the left side wall and the right side wall of the temperature control aging box (1) and connected with the corresponding water pump (19), two water outlet pipes (221) which are horizontally arranged on the left side and the right side above the upper cavity and are symmetrical relative to the lifting rod, and water outlet mechanisms which are distributed on the bottom end face of each water outlet pipe (221) at equal intervals, wherein one ends of the two water outlet pipes (221) close to the lifting rod are sealed ends, the upper end of each water outlet pipe (221) is vertically fixed with guide support rods (15) which are in sliding connection with the inner wall of the top end of the upper cavity along the direction parallel to the water outlet pipes (221), each guide support rod (15) is hinged on the side wall of the lifting rod through a connecting rod (13), and one end of each water outlet pipe (221) far away from the lifting, and the outer side of the corrugated hose (222) is sleeved with a connecting spring (223), one end of the connecting spring (223) is connected with the water outlet pipe (221), and the other end of the connecting spring is connected with the side wall in the upper chamber.
2. The asphalt aging process simulation experiment device according to claim 1, wherein: the inner wall of the upper chamber is provided with a heat-insulating layer (101), and the heat-insulating layer (101) is made of sponge materials.
3. The asphalt aging process simulation experiment device according to claim 1, wherein: the top of accuse temperature ageing oven (1) is fixed with fan (14), and the output and the inside intercommunication of epicoele chamber of fan (14), the air outlet still is established on the top of accuse temperature ageing oven (1), and is equipped with electric switch valve (9) on the air outlet.
4. The asphalt aging process simulation experiment device according to claim 1, wherein: the driving mechanism comprises a forward and reverse rotating motor (18) which is fixed in a power cavity and has an output shaft perpendicular to a screw rod (61), a driving rod (66) which is perpendicular to the screw rod (61) and penetrates through a right fixing plate (31) through a bearing, a driving gear (65) which is fixed on the top end of the driving rod (66) and a driven gear (64) which is fixed on the screw rod (61) and is matched with the driving gear (65), the output shaft of the forward and reverse rotating motor (18) extends into an upper cavity through a power cavity and is fixed at the center position of the bottom end of a sample tray (2), and transmission chain wheels (67) are fixed at the position, located in the upper cavity, of the output shaft of the forward and reverse rotating motor (18) and the bottom end of the driving rod (66) and are in transmission connection through transmission chains (.
5. The asphalt aging process simulation experiment device according to claim 1, wherein: the lifting rod comprises an adjusting sleeve (112) which is vertically arranged at the top end of the upper cavity in a sliding connection mode, an adjusting rod (111) which is sleeved in the adjusting sleeve (112) and in threaded connection with the inner wall of the adjusting sleeve (112) and a power mechanism for driving the adjusting sleeve (112) to lift, the bottom end of the adjusting rod (111) penetrates through the adjusting sleeve (112) and extends into the light reflecting lampshade (16) to be connected with the bottom end of the lamp holder (10), and a rotating handle is fixed at the upper end of the adjusting sleeve (112) through the top end of the adjusting rod (111).
6. The asphalt aging process simulation experiment device according to claim 5, wherein: the power mechanism comprises an adjusting gear (12) fixed on the top end of the temperature control aging box (1), the adjusting gear (12) is matched with a rack arranged on the side wall of the upper end of the adjusting sleeve (112), and a speed reduction motor can be fixed on a rotating shaft of the adjusting gear (12).
7. The asphalt aging process simulation experiment device according to claim 5, wherein: and a sealing ring (113) is arranged on the inner wall of the bottom end of the through hole.
8. The asphalt aging process simulation experiment device according to claim 1, wherein: the water outlet mechanism comprises water outlet ends (224) fixed at the bottom end of the water outlet pipe (221) at equal intervals and a limiting cover (225) arranged outside the water outlet ends (224) in a sealing manner, each water outlet end (224) is a flexible pipe body with one end communicated with the inside of the water outlet pipe (221) and the other end serving as a sealing end, and water outlet holes are uniformly formed in the sealing end of the flexible pipe body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010459512.XA CN111579470A (en) | 2020-05-20 | 2020-05-20 | Simulation experiment device in asphalt aging process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010459512.XA CN111579470A (en) | 2020-05-20 | 2020-05-20 | Simulation experiment device in asphalt aging process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111579470A true CN111579470A (en) | 2020-08-25 |
Family
ID=72114238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010459512.XA Pending CN111579470A (en) | 2020-05-20 | 2020-05-20 | Simulation experiment device in asphalt aging process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111579470A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113237776A (en) * | 2021-05-31 | 2021-08-10 | 青岛中和聚氨酯材料有限公司 | Polyurethane high-temperature illumination deformation detection device and detection method thereof |
| CN113466120A (en) * | 2021-07-16 | 2021-10-01 | 浙江省轻工业品质量检验研究院 | Fabric dye aging device based on hyperspectral imaging technology |
| CN115032141A (en) * | 2022-08-11 | 2022-09-09 | 北京建筑大学 | Method for determining indoor ultraviolet aging parameters of asphalt by simulating alternation of day and night in natural environment |
-
2020
- 2020-05-20 CN CN202010459512.XA patent/CN111579470A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113237776A (en) * | 2021-05-31 | 2021-08-10 | 青岛中和聚氨酯材料有限公司 | Polyurethane high-temperature illumination deformation detection device and detection method thereof |
| CN113466120A (en) * | 2021-07-16 | 2021-10-01 | 浙江省轻工业品质量检验研究院 | Fabric dye aging device based on hyperspectral imaging technology |
| CN113466120B (en) * | 2021-07-16 | 2024-04-12 | 浙江省轻工业品质量检验研究院 | Fabric dye aging device based on hyperspectral imaging technology |
| CN115032141A (en) * | 2022-08-11 | 2022-09-09 | 北京建筑大学 | Method for determining indoor ultraviolet aging parameters of asphalt by simulating alternation of day and night in natural environment |
| CN115032141B (en) * | 2022-08-11 | 2022-11-15 | 北京建筑大学 | Method for determining indoor ultraviolet aging parameters of asphalt by simulating alternation of day and night in natural environment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111579470A (en) | Simulation experiment device in asphalt aging process | |
| CN111426978A (en) | All-weather simulation test system of solar street lamp | |
| CN212780422U (en) | Simulation experiment device in asphalt aging process | |
| CN205383808U (en) | Solar water heater of daylighting angularly adjustable | |
| CN209609372U (en) | A kind of adjustable greenhouse of intelligence | |
| CN114778597A (en) | Thermal-insulated difference in temperature testing arrangement with light filtering function | |
| CN211825600U (en) | Portable xenon lamp weather-proof test box | |
| CN211318145U (en) | Indoor cooling effect testing device for road heat reflection coating | |
| CN207147946U (en) | The Work condition analogue experimental facilities of solar cell module | |
| CN207650080U (en) | A kind of experimental provision for realizing ultraviolet ageing | |
| CN219955231U (en) | Solar LED street lamp with lifting function | |
| CN216261769U (en) | Integrated intelligent baking system | |
| CN213779846U (en) | Intelligent double-channel xenon lamp aging test box | |
| CN219244931U (en) | Fire control water pipe leakproofness detection device | |
| CN216900127U (en) | Antifog effect testing arrangement of antifog membrane | |
| CN211055809U (en) | Get material convenient ceramic membrane production and use raw materials strorage device | |
| CN219605187U (en) | Hollow built-in shutter glass window capable of being opened and closed intelligently | |
| CN217084609U (en) | Xenon lamp aging testing box | |
| CN213779845U (en) | Multisource environment coupling aging test device for simulating high-viscosity asphalt cement | |
| CN220251857U (en) | Portable photosynthesis measuring device | |
| CN212622991U (en) | All-weather simulation test system of solar street lamp | |
| CN220231416U (en) | Plastic material paint aging endurance test device | |
| CN208220531U (en) | A kind of heat preservation energy saving discoloration hollow glass | |
| CN208947047U (en) | A kind of vehicle-mounted light sensation solar automobile curtain | |
| CN216435286U (en) | Device for weather modification test |
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 |