CN106483063A - Asphalt water temperature circulation testing machine - Google Patents
Asphalt water temperature circulation testing machine Download PDFInfo
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- CN106483063A CN106483063A CN201611021046.7A CN201611021046A CN106483063A CN 106483063 A CN106483063 A CN 106483063A CN 201611021046 A CN201611021046 A CN 201611021046A CN 106483063 A CN106483063 A CN 106483063A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 312
- 238000012360 testing method Methods 0.000 title claims abstract description 184
- 239000010426 asphalt Substances 0.000 title claims abstract description 39
- 238000005057 refrigeration Methods 0.000 claims abstract description 56
- 238000005485 electric heating Methods 0.000 claims description 49
- 239000006200 vaporizer Substances 0.000 claims description 38
- 238000005086 pumping Methods 0.000 claims description 35
- 238000009434 installation Methods 0.000 claims description 21
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 10
- 238000001556 precipitation Methods 0.000 claims description 10
- 229910001220 stainless steel Inorganic materials 0.000 claims description 9
- 239000010935 stainless steel Substances 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 230000007797 corrosion Effects 0.000 claims description 5
- 238000005260 corrosion Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 3
- 239000000523 sample Substances 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims 1
- 230000008020 evaporation Effects 0.000 claims 1
- 238000001704 evaporation Methods 0.000 claims 1
- 238000004088 simulation Methods 0.000 abstract description 8
- 238000003780 insertion Methods 0.000 abstract 1
- 230000037431 insertion Effects 0.000 abstract 1
- 238000010257 thawing Methods 0.000 description 9
- 206010020843 Hyperthermia Diseases 0.000 description 7
- 230000006378 damage Effects 0.000 description 7
- 238000007710 freezing Methods 0.000 description 7
- 230000008014 freezing Effects 0.000 description 7
- 230000036031 hyperthermia Effects 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- 230000005855 radiation Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 241000237983 Trochidae Species 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- RSWGJHLUYNHPMX-ONCXSQPRSA-N abietic acid Chemical compound C([C@@H]12)CC(C(C)C)=CC1=CC[C@@H]1[C@]2(C)CCC[C@@]1(C)C(O)=O RSWGJHLUYNHPMX-ONCXSQPRSA-N 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000000254 damaging effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- 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
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- 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 kind of asphalt water temperature circulation testing machine, single to asphalt true military service temperature environment condition simulation for overcoming prior art there is a problem of, it includes casing (32), controller (1), proof box (2), proof box refrigeration system (3) and cistern system (4)；Casing (32) includes controller and refrigeration system casing, test box body and cistern system casing；Controller (1) and proof box refrigeration system (3) are arranged on controller and refrigeration system casing upper and lower side；Proof box (2) is arranged in test box body；In proof box refrigeration system (3) outfan insertion test box body；Cistern system (4) is arranged in cistern system casing, first water pump (19) outfan therein adopts No. 1 water inlet pipe (11) in threeway and proof box (2) to be connected with No. 2 water inlet pipe (12) one end, and one end of the water inlet pipe (26) of the second water pump (20) is inserted into test box body bottom.
Description
Technical field
The present invention relates to a kind of pavement construction material test equipment, it more particularly relates to one kind can
Simulation asphalt bears the asphalt water temperature circulation testing machine of hyperthermia radiation, precipitation and freezing and thawing test condition.
Background technology
The Moisture Damage of asphalt is the subject matter in pavement disease, derives other pavement diseases by Moisture Damage
Riding qualities can be affected further, reduce service life of road surface.Water stability is to evaluate bituminous paving anti-water damage ability
Important indicator, typically its freeze-thaw split intensity is tested by freezing and thawing test and characterizes its anti-water damage ability, up till now
Till in the existing polytype freeze-thaw cycle tester of concrete frost resistance context of detection, be specifically applied to simulate Colophonium mixing
The Moisture Damage testing machine of material also arises at the historic moment therewith, and wherein using is more widely that asphalt freezing-thawing is simulated
Freeze-thaw cycle tester.Existing asphalt freeze-thaw cycle tests owner will be by controller, refrigeration system, heating system, examination
Tryoff and water tank composition, its operation principle is to carry out quick freezing by air-refrigeration system to test specimen in proof box, freezing
After the completion of refrigeration system close, by water pump, the water in water tank is input in proof box to submergence test specimen, heater to
Fix time and so that test specimen is melted and be incubated, then by water pump, the water in proof box is transferred in water tank again, this process is one
Freezing and thawing cycle, testing crew can carry out the cyclic test of multiple freezing and thawing cycles as needed.Existing asphalt freeze thawing
Circulation testing machine can be to the freeze-thaw cycle process simulation of asphalt, and process of the test is not required to will manually shift test specimen certainly
Dynamicization level is high, but there is following defect：This freeze-thaw cycle tester is only capable of simulating the freeze-thaw cycle damage that asphalt bears
Hinder environment, but bituminous paving be in that be subject in natural environment is that annual environmental factorss are damaged, and is subjected to freeze-thaw cycle effect,
Also it is subject to the hyperthermia radiation of summer and precipitation to wash away impact, existing testing machine can not simulate hyperthermia radiation and precipitation washout test
Environment is it is impossible to carry out comprehensive simulated to the water suffered by asphalt and thermal injury.
Content of the invention
The technical problem to be solved be overcome existing equipment presence to asphalt true military service water
Warm environmental condition simulation is single to be only capable of simulating the problem of freezing-thawing condition, there is provided a kind of asphalt water temperature circulation examination
Test machine.
For solving above-mentioned technical problem, the present invention adopts the following technical scheme that realization：A kind of asphalt water temperature
Circulation testing machine, including controller, controller is arranged in controller and the upper end casing of refrigeration system casing, and controller is respectively
It is connected with cistern system electric wire with proof box, proof box refrigeration system；Described asphalt water temperature circulation testing machine also wraps
Include casing, proof box, proof box refrigeration system and cistern system；
Described casing is set to controller and refrigeration system casing, test box body and cistern system case from left to right
Body；
Proof box is arranged in test box body；Proof box refrigeration system is arranged under controller and refrigeration system casing
In the casing of end, the heat absorbing conduit of proof box refrigeration system is inserted in test box body by reserved through hole；Cistern system is arranged on
In cistern system casing, one end of the first pumping line of the first water pump therein is entered using No. 1 in threeway and proof box
Water pipe is connected with No. 2 water inlet pipe one end, and one end of the water inlet pipe of the second water pump is inserted into test box body bottom.
Casing described in technical scheme is cuboid shell structure part, is made up of cuboid skeleton and steel plate, case
Body is disposed with controller from left to right and refrigeration system casing, test box body, cistern system casing and 4 structures are identical
Universal wheel；Described controller and refrigeration system casing central dividing plate are divided into upper and lower two parts, and top is divided into controller case
Body, bottom is divided into proof box refrigeration system casing, after the dead astern of controller box is fixed with easy disassembly using screw
Lid, controller box is surrounded using ordinary stainless steel plate, and the bottom middle position of proof box refrigeration system casing is provided with use
In the screwed hole of installation test case refrigerating plant, surrounding's tank wall of proof box refrigeration system casing uses open-work rustless steel
Plate；Being respectively equipped with structure identical at described box bottom corner facilitates the entirety of asphalt water temperature circulation testing machine to move
Dynamic universal wheel.
Test box body described in technical scheme is by box top wall, box bottom, casing antetheca, casing rear wall, casing
Left side wall and casing right side wall composition, wherein the center inside box top wall is equably provided with for installing dewatering device
4～8 screwed holes, install bottom support position the left and right sides box bottom on be provided with for installation test case
The screwed hole of electric heating tube, casing antetheca top is provided with door, and the height of door is the 3/4 of test box body height, casing rear wall
Middle be equably provided with the screwed hole installing circulating fan, the right side of casing left side wall and controller and refrigeration system casing
Side box wall is same tank wall, and casing right side wall is same tank wall with the left side tank wall of cistern system casing, the case of test box body
Body left side wall is from top to bottom respectively arranged with screwed hole, the screwed hole of installation test case electric heating tube installing UV-sunlight lamp
With the screwed hole installing level sensor, wherein, the height of screwed hole installing UV-sunlight lamp is in casing left side wall height
4/5 at, the height of the screwed hole of installation test case electric heating tube, in the middle of casing left side wall, installs level sensor
The height of screwed hole is by, at the casing left side wall higher than the testing stand 13cm being installed, installing UV-sunlight lamp and proof box
The screwed hole middle setting of electric heating tube have in installation test case refrigeration system the heat absorbing conduit of proof box vaporizer logical
Hole, the apical position of the casing right side wall of test box body is provided with the through hole for installing the first pumping line, proof box
The installation screwed hole of UV-sunlight lamp on the casing right side wall of casing, installation test case electric heating tube screwed hole all and case
Screwed hole on body left side wall is symmetrical and structure is identical, and casing right side wall bottom is provided with for installing the second pump water inlet
Through hole, the casing right side wall of test box body arranges 3～4 in No. 2 water inlet pipes through position and is used for fixing No. 2 water inlet pipes
Screwed hole, test box body all made using insulation corrosion resistant plate material.
Cistern system casing described in technical scheme is divided into pumping plant casing, water tank refrigerating plant casing and water tank case
Body, that is, three is to form cistern system casing using dividing plate is completely isolated up and down, water tank refrigerating plant casing and tank box
The upper end position of dividing plate be provided with the through hole of the heat absorbing conduit installing water tank vaporizer, in the bottom of pumping plant casing respectively
It is provided with the screwed hole for installing the first water pump and the second water pump, the lower end position of the dividing plate of pumping plant casing and tank box
Install and be equipped with the through hole installing the first pump water inlet and the second pumping line, the bottom interposition of water tank refrigerating plant casing
The place of putting is provided with the screwed hole for installing water tank refrigerating plant, and the bottom middle position of tank box is provided with for installing
The screwed hole of water tank electric heating tube, is provided with the screw thread installing water tank temperature sensor at the lower right corner of the bottom of tank box
Hole, is provided with the screwed hole for installing waterproof turbofan, water tank system in the centre position of the bottom of tank box right side wall
The rear side tank wall of device for cooling casing adopts open-work stainless steel flitch, remainder casing and dividing plate all using insulation not
Rust Steel material.
Proof box described in technical scheme includes testing stand, proof box temperature sensor, 4 structure identical proof boxs
Electric heating tube, 2 structure identical UV-sunlight lamps, circulating fan, dewatering device, No. 2 water inlet pipes and level sensor；Its
In：Dewatering device includes No. 1 water inlet pipe, No. 1 electrically operated valve and 6～10 structure identicals shower watering cans, and take a shower watering can quantity
Consistent with circular groove quantity on test-piece stand；
Described testing stand is arranged on the middle position of test box body bottom, and the probe of proof box temperature sensor sets
Put on the lateral wall of the test-piece stand in testing stand, level sensor is laid in a left side for the test box body higher than testing stand 13cm
At side box wall；2 structure identical proof box electric heating tubes are arranged on the test box body bottom below testing stand two ends, and another 2
Individual structure identical proof box electric heating tube is arranged on the middle of test box body left and right sides tank wall, 2 structure identicals
UV-sunlight lamp is arranged on the tank wall of the test box body left and right sides, and is located at 2 structure identical proof box electrical heating
The top of pipe；Circulating fan is bolted on the centre position of tank wall on rear side of test box body；No. 1 water inlet pipe adopts bolt
It is fixed on the ceiling medial wall of the test box body directly over testing stand, 6～10 structure identical shower watering cans adopt three
Lead to and be evenly provided on No. 1 water pipe, and be suspended from the surface of test-piece stand groove, No. 1 electrically operated valve is arranged on No. 1 water inlet pipe
Water inlet, No. 2 electrically operated valves are arranged on the water inlet of No. 2 water inlet pipes, and the outlet of No. 2 water inlet pipes is located at test box body
Bottom, No. 1 water inlet pipe and No. 2 water inlet pipe water inlets pass through No. 1 electrically operated valve with No. 2 electrically operated valves using threeway and the first water
One end of water pump outlet pipe connects.
Testing stand described in technical scheme includes bottom and supports and test-piece stand, and bottom is supported and surrounded using contour iron plate
Cylindrical member, bottom support external diameter be less than test-piece stand diameter, highly for 150mm～200mm, test-piece stand is by being made up of iron plate
Annulus bodily form housing component, the top end face of test-piece stand annular is along the circumferential direction equably provided with for hold compound examination
The circular groove of part, circular groove diameter is 110mm～120mm, and depth is 30mm～40mm, and bottom supports and is located under test-piece stand
Fang Bingyu test-piece stand is connected.
Proof box refrigeration system described in technical scheme includes proof box condenser, test header compressor and proof box and steams
Send out device；The heat absorbing conduit of proof box vaporizer is extend into by the hole on the casing left side wall of the test box body in proof box
In test box body, one end of proof box vaporizer is connected by pipeline to the air entry of test header compressor, tests header compressor
Air vent be connected with proof box condenser one end by pipeline, the proof box condenser other end passes through capillary tube and proof box and evaporates
The device other end is connected, and from left to right order arrangement is arranged on for test header compressor, proof box vaporizer and proof box condenser
On the base plate of proof box refrigeration system casing.
Cistern system described in technical scheme includes pumping plant, water tank refrigerating plant, waterproof turbofan, water tank electricity
Heating tube and water tank temperature sensor；The front end that described pumping plant is located on the left of cistern system casing bottom is arranged on water
In the bottom of pump installation casing, pumping plant includes the first water pump and the second water pump, and first pump water inlet one end extend into water
Bottom portion, the first pumping line and No. 1 water inlet pipe, No. 2 water inlet pipes are connected by threeway；Water inlet pipe one end of second water pump
It extend into the bottom of proof box, second pumping line one end extend into water tank bottom.
Described water tank refrigerating plant includes condenser box, water tank compressor and water tank vaporizer, water tank refrigerating plant
Rear end on the left of cistern system casing bottom is arranged in the bottom of water tank refrigerating plant casing；The suction of water tank vaporizer
Hot channel is extend in tank box by the separator perforation between water tank refrigerating plant casing and tank box, water tank vaporizer
One end connected by pipeline to the air entry of water tank compressor, the air vent of water tank compressor is by pipeline and condenser box one end
Be connected, the condenser box other end is connected with the water tank vaporizer other end by capillary tube, condenser box, water tank vaporizer and
Water tank compressor from left to right arrange by order.
Water tank electric heating tube is arranged in water tank bottom, and water tank temperature transducer arrangements are in water tank bottom away from water tank electrical heating
One end of pipe；Waterproof turbofan is arranged in the bottom end of the right side tank wall of tank box.
Compared with prior art the invention has the beneficial effects as follows：
1. asphalt water temperature circulation testing machine of the present invention is set up electricity on the basis of original assay device and is added
Backing and UV-sunlight lamp simulation hyperthermia radiation experimental condition, set up the experimental condition that shower watering can carrys out simulated atmosphere precipitation,
Can with comprehensive simulation hyperthermia radiation, precipitation and the multiple experimental enviroment of freeze-thaw cycle and every kind of condition test circulation carry out, compare
Meet natural climate state, damaging action that can be under more real simulating natural environment factor effect to bituminous paving；
2. asphalt water temperature circulation testing machine of the present invention multiple environment blocking factors when being tested exist
Carry out in order in same proof box, test site need not be changed and be easy to operate；
3. the bottom of asphalt water temperature circulation testing machine of the present invention is provided with universal wheel and is moved easily.
Brief description
The present invention is further illustrated below in conjunction with the accompanying drawings：
Fig. 1 is the axonometric projection view of asphalt water temperature circulation testing machine structure composition of the present invention；
Fig. 2 is that asphalt water temperature circulation testing machine of the present invention removes structure composition after casing front shell
Front view；
Fig. 3 removes interior after the shell of casing top for proof box in asphalt water temperature circulation testing machine of the present invention
The top view of portion's apex structure composition；
After Fig. 4 is cistern system dismounting casing top shell in asphalt water temperature circulation testing machine of the present invention
The top view of internal structure composition.
In figure：1. controller, 2. proof box, 3. proof box refrigeration system, 4. cistern system, 5. proof box electric heating tube,
6. bottom supports, 7. test-piece stand, 8. proof box temperature sensor, 9. UV-sunlight lamp, 10. circulating fan, No. 11.1 water inlets
Pipe, No. 12.2 water inlet pipes, 13. shower watering cans, No. 14.1 electrically operated valves, No. 15.2 electrically operated valves, 16. level sensors, 17. examinations
Tryoff condenser, 18. test header compressors, 19. first water pumps, 20. second water pumps, 21. water tank refrigerating plants, the 22. anti-eddies of waters
Wheel fan, 23. universal wheels, 24. first pump water inlets, 25. first pumping lines, 26. second pump water inlets, 27. the
Two pumping lines, 28. water tank electric heating tubes, 29. water tank temperature sensors, 30. condenser boxs, 31. water tank compressors, 32
Casing, 33 proof box vaporizers, 34 water tank vaporizers.
Specific embodiment
Below in conjunction with the accompanying drawings the present invention is explained in detail：
Refering to Fig. 1 and Fig. 2, asphalt water temperature circulation testing machine of the present invention include casing 32, controller 1,
Proof box 2, proof box refrigeration system 3 and cistern system 4；
Described casing 32 is cuboid shell structure part, is made up of cuboid skeleton and steel plate, casing 32 is by a left side
Setting gradually to the right side is controller and refrigeration system casing, test box body, cistern system casing and 4 structure identicals are universal
Wheel 23；
It is divided into upper and lower two parts with dividing plate, top is divided into controller case in the middle of described controller and refrigeration system casing
Body, controller 1 is installed therein；Bottom is divided into proof box refrigeration system casing, and proof box refrigeration system 3 is installed therein, control
The dead ahead of device casing processed is provided with display panel, is fixed with the bonnet of easy disassembly in the dead astern of controller box using screw,
Controller box is surrounded using ordinary stainless steel plate, and the bottom middle position of proof box refrigeration system casing is provided with for pacifying
The screwed hole of dress proof box refrigerating plant, proof box refrigeration system casing is surrounded using open-work corrosion resistant plate, convenient radiating.
Described test box body is by box top wall, box bottom, casing antetheca, casing rear wall, casing left side wall and case
Body right side wall forms, and wherein the center inside box top wall is equably provided with 4～8 spiral shells for installing dewatering device
Pit, is easy to No. 1 water inlet pipe 11 in dewatering device is fixed on box top wall, circle is left in the centre position of box bottom
Region, so that welding bottom supports 6 and test-piece stand 7, is provided with for installing on the box bottom that bottom supports 6 left and right sides
The screwed hole of proof box electric heating tube 5, casing antetheca top is provided with openable door, highly for test box body height
3/4, the middle of casing rear wall is equably provided with screwed hole, is easy to the installation of circulating fan 10, casing left side wall and control
The right side tank wall of device and refrigeration system casing is same tank wall, and casing right side wall is same with the left side tank wall of cistern system casing
Tank wall, the casing left side wall of test box body is from top to bottom respectively arranged with to be installed the screwed hole of UV-sunlight lamp 9, installs examination
The screwed hole of tryoff electric heating tube 5 and the screwed hole installing level sensor 16, wherein, the height of UV-sunlight lamp 9 screwed hole
, about at casing left side wall height 4/5, the height of proof box electric heating tube 5 screwed hole is about in the centre of casing left side wall height for degree
Place, the height of level sensor 16 screwed hole by the casing left side wall higher than the testing stand 13cm being installed, in ultraviolet day
Light lamp 9 and proof box electric heating tube 5 screwed hole middle setting have the suction for proof box vaporizer 33 in proof box refrigeration system
The hole that hot channel enters, likewise, the apical position of the casing right side wall of test box body leaves for the first water pump water outlet
Pipe 25 puts in the hole of test box body, and the first pumping line 25 is entered with No. 1 being arranged in test box body by threeway
Water pipe 11 and No. 2 water inlet pipes 12 connect, on the casing right side wall of test box body installation UV-sunlight lamp 9 screwed hole,
The screwed hole of installation test case electric heating tube 5 is all symmetrical with the screwed hole on casing left side wall and position is identical, i.e. height and position
All highly consistent with the screwed hole on casing left side wall, casing right side wall bottom is provided with to be stretched into for the second pump water inlet 26
Hole in test box body, the casing right side wall of test box body arranges 3～4 in No. 2 water inlet pipes 12 through position
For fixing the screwed hole of No. 2 water inlet pipes 12, test box body is all made using insulation corrosion resistant plate material；
Described cistern system casing is divided into pumping plant casing, water tank refrigerating plant casing and three casings of tank box
Part, that is, three is to form cistern system casing using dividing plate is completely isolated up and down, water tank refrigerating plant casing and water tank case
The dividing plate upper middle position of body is provided with through hole, and the heat absorbing conduit being easy to the water tank vaporizer 34 of water tank refrigerating plant 21 stretches into
Water tank, is separately provided at the bottom position of pumping plant casing installing the screw thread of the first water pump 19 and the second water pump 20
Hole, the bottom middle position of water tank refrigerating plant casing is threaded hole to install water tank refrigerating plant 21, tank box
Bottom middle position be provided with screwed hole for installing water tank electric heating tube 28, in the lower right corner of the bottom of tank box
Place is provided with the screwed hole being easily installed water tank temperature sensor 29, in the centre position setting of the bottom of tank box right side wall
There is the screwed hole for installing waterproof turbofan 22, the rear side tank wall of water tank refrigerating plant casing adopts open-work stainless steel material
Plate (net), remainder casing and dividing plate are all using insulation stainless steel material.
It is respectively equipped with structure identical universal wheel 23 at described box bottom corner, facilitate asphalt water temperature to circulate
The moving integrally of testing machine.
Referring to Fig. 2 and Fig. 3, described proof box 2 includes testing stand, 8,4 structure identicals of proof box temperature sensor
5,2 structure identical UV-sunlight lamps 9 of proof box electric heating tube, circulating fan 10, dewatering device, No. 2 water inlet pipe 12 and
Level sensor 16.
Described testing stand includes bottom and supports 6 and test-piece stand 7, and bottom supports 6 to be surrounded using wide (contour) iron plate
Cylindrical member, bottom supports 6 external diameter to be slightly less than the diameter of test-piece stand 7, and highly between 150～200mm, test-piece stand 7 is served as reasons
The annulus bodily form housing component that iron plate is made, the top end face of test-piece stand 7 annular is along the circumferential direction equably provided with for containing
Put the circular groove 6～10 of standard asphalt Marshall compound test specimen, circular groove diameter is between 110～120mm, depth
Between 30～40mm, bottom supports 6 to be located at test-piece stand 7 lower section the composition testing stand that is connected with test-piece stand 7, test bench location
Centre position in test box body bottom.
Described proof box temperature sensor 8 adopts the thermal resistance temperature sensor of the waterproof enclosure of model PT100, uses
Whether the proof box electric heating tube 5 in induced test case 2 works, and the probe of proof box temperature sensor 8 is arranged on torus
On shape test-piece stand 7 lateral wall, the extraction wire of temperature sensor 8 is connected with controller 1；
Described proof box electric heating tube 5 comprises electric heating tube and water proof wire, and model RT-DRG single head waterproof is stainless
Steel heating tube, caliber 8～20mm, rated voltage 220v, power is 15～30W/cm2, testing stand is laid in respectively by bolt
The bottom of the test box body below two ends and the middle of test box body left and right sides tank wall, to guarantee that proof box 2 reaches
And maintenance test temperature, the water proof wire that 4 proof box electric heating tubes 5 are drawn connects respectively at controller 1；
The single-termination electricity waterproof quartz burner of model UVC-LO-12W selected by described UV-sunlight lamp 9, specified
Voltage 220V, is bolted on test box body both sides box wall, and is higher than proof box electric heating tube 5, with proof box electricity
Hyperthermia radiation environment in heating tube 5 cooperation simulation test case 2；
Model DJF (g) of described circulating fan 10, rated power is 80W, rated voltage 220V, solid by bolt
It is scheduled on the centre position of tank wall on rear side of test box body it is ensured that the air flow in proof box body makes temperature in proof box 2 uniform；
Described dewatering device includes 11, No. 1 electrically operated valve 14 of No. 1 water inlet pipe and 6～10 structure identical shower sprayings
Kettle 13, shower watering can 13 quantity is consistent with the circular groove quantity on test-piece stand 7；No. 1 water inlet pipe 11 is slightly less than examination for diameter
Test the annular water pipe of platform diameter, be bolted on the roof medial wall of test box body, No. 1 electrically operated valve 14 located at
The water inlet position of No. 1 water inlet pipe 11, for controlling whether No. 1 water inlet pipe 11 intakes, shower watering can 13 passes through the uniform portion of threeway
If being connected on No. 1 water pipe 11, and it is suspended from the surface of test-piece stand groove.
It is long straight water that the water inlet position of No. 2 described water inlet pipes 12 is provided with 15, No. 2 water inlet pipes 12 of No. 2 electrically operated valves
Pipe deep No. 2 water inlet pipes 12 effect is to be combined with the first water pump 19 for the water in cistern system 4 to transfer to test in casing 32
The bottom of box body, and adopt on the casing right side wall being bolted to test box body, No. 2 water inlet pipe 12 water inlets and first
The outlet of water pump (19) connects, in proof box 2, for the melting process in freezing-thawing test；11, No. 2 water inlet pipes of No. 1 water inlet pipe
12 and first pumping line 25 connected by threeway, water pipe material is random three type polypropylene tube (PPR) water pipes；
Described level sensor 16 is used for detecting the water level in proof box 2, by water level signal is transported to controller
1, control the first water pump 19 flooding time, the casing that level sensor 16 is laid in the test box body higher than testing stand 13cm is left
Side-walls；
Described proof box refrigeration system 3 comprises proof box condenser 17, test header compressor 18 and proof box vaporizer
33；One end of proof box vaporizer 33 is the hole on the casing left side wall of the test box body that heat absorbing conduit passes through in proof box 2
Hole extend in test box body, and one end of proof box vaporizer 33 is connected by pipeline to the air entry of test header compressor 18,
The air vent of test header compressor 18 is connected with proof box condenser 17 one end by pipeline, and proof box condenser 17 other end passes through
Capillary tube is connected with proof box vaporizer 33 other end and constitutes refrigerating circuit, and cold-producing medium constantly circulates in systems, with
The external world carries out heat exchange, reaches the purpose of refrigeration, and proof box condenser 17 is selected from hiding tube-sheet type, test header compressor 18
With centrifugal compressor, proof box vaporizer 33 selects plate-type evaporator, test header compressor 18, proof box vaporizer 33 and examination
Tryoff condenser 17 from left to right order arranged on the base plate of proof box refrigeration system casing.
Refering to Fig. 2 and Fig. 4, described cistern system 4 comprises pumping plant, water tank refrigerating plant 21, waterproof turbofan
22nd, water tank electric heating tube 28 and water tank temperature sensor 29.
Described pumping plant is arranged on the front end on the left of cistern system casing bottom, and pumping plant includes the first water pump 19
With the second water pump 20, the first pump water inlet 24 one end extend into the bottom of tank box, the first pumping line 25 one end and 1
Number 11, No. 2 water inlet pipes 12 of water inlet pipe are connected by threeway；Second pump water inlet 26 one end extend into the bottom of test box body
Portion, the second pumping line 27 one end extend into tank box bottom, and pumping plant is used for following the water in water tank and proof box 2
Ring conveys.
Described water tank refrigerating plant 21 comprises condenser box 30, water tank compressor 31 and water tank vaporizer 34, water tank
The heat absorbing conduit of vaporizer 34 extend into tank box by the separator perforation between water tank refrigerating plant casing and tank box
In, one end of water tank vaporizer 34 is connected by pipeline to the air entry of water tank compressor 31, the air vent of water tank compressor 31 by
Pipeline is connected with condenser box 30 one end, and condenser box 30 other end passes through capillary tube and water tank vaporizer 34 other end phase
Even constitute refrigerating circuit, cold-producing medium constantly circulates in systems, carries out heat exchange with the external world, reaches the mesh of refrigeration
, from hiding tube-sheet type, centrifugal compressor selected by water tank compressor 31 to condenser box 30, and plate selected by water tank vaporizer 34
Formula vaporizer, from left to right order arranges for condenser box 30, water tank vaporizer 34 and water tank compressor 31.
Described water tank electric heating tube 28 comprises electric heating tube and water proof wire, model RT-DRG single head waterproof rustless steel
Heating tube, caliber 8～20mm, rated voltage 220v, power is 15～30W/cm2, water tank electric heating tube 28 is electric with proof box to be added
Heat pipe 5 adopts the electric heating tube of same model, water heating and thermal insulation in water tank electric heating tube 28 water supply case, water tank electric heating tube
The water proof wire of 28 extractions is connected with controller 1, and water tank electric heating tube 28 is arranged on the center of the bottom of tank box.
Described water tank temperature sensor 29 adopts the temperature sensor with proof box temperature sensor 8 same model, that is,
Using the thermal resistance temperature sensor for monitoring water tank water temperature of the waterproof enclosure of model PT100, water tank temperature sensor
29 are connected with controller 1 monitors whether water tank electric heating tube 28 heats, and water tank temperature sensor 29 is laid in water tank using bolt
The bottom end away from water tank electric heating tube 28 of casing；
Described waterproof turbofan 22 adopts 220v centrifugal fan, model SF120A2, is secured by bolts in water tank
The bottom end of the right side tank wall of casing, ensures even water temperature for the water in water tank is carried out with agitation.
Described proof box electric heating tube 5, proof box temperature sensor 8, UV-sunlight lamp 9, circulating fan 10,1
14, No. 2 electrically operated valves 15 of electrically operated valve, level sensor 16, proof box condenser, test header compressor, proof box vaporizer
33rd, the first water pump 19, the second water pump 20, water tank refrigerating plant 21, waterproof turbofan 22 are all led by waterproof after installing
Line is electrically connected with controller 1.
The operation principle of asphalt water temperature circulation testing machine of the present invention：
Setting experimental enviroment, by arranging test temperature, temperature signal is turned by proof box temperature sensor 8 in proof box 2
Turn to electric signal transmission in controller 1, controller 1 passes through Control experiment case refrigeration system 3 and proof box electric heating tube 5 makes examination
In tryoff 2, temperature reaches setting temperature, opens proof box refrigeration system when arranging temperature and being less than temperature sensor senses temperature
3, circulating fan 10 makes air circulation flow in proof box 2 guarantee that temperature is uniform.In the same manner, water the temperature inside the box is passed by water tank temperature
Sensor 29 regulates and controls, and opens water tank refrigerating plant 21, setting temperature when arranging temperature and being less than water tank temperature sensor 29 temperature sensor
Higher than heater work during water tank temperature sensor 29 temperature sensor, waterproof turbofan 22 is then to play water is stirred to degree
The dynamic effect ensureing even water temperature.
When carrying out freezing-thawing test, by the proof box condenser 17 in proof box refrigeration system 3, test header compressor 18
Air fast cooling in proof box 2 is carried out quick freezing to test specimen with proof box vaporizer 33, try after reaching cooling time
Tryoff refrigeration system 3 is closed, and the proof box electric heating tube 5 opened in proof box 2 reaches thaw temperature, by the first water pump 19 with
The water reaching thaw temperature in water tank is extracted in proof box 2 No. 2 water inlet pipes 12, and level sensor 16 is in order to Control experiment case 2
Middle water level, when reaching the immersed water level of setting, the first water pump 19 quits work, and starts to melt test, when reach melt the time after
By the second water pump 20, the water in proof box 2 is transferred in water tank, this is a frozen-thaw process.
UV-sunlight lamp 9 in proof box 2 and proof box electric heating tube 5 high temperature in work simulation natural environment simultaneously
Radiation effects.When carrying out hyperthermia radiation test, test temperature and radiated time need to arrange.
Precipitation washout test by the first water pump 19 and No. 1 water inlet pipe 11 by the water in water tank by precipitation by way of to examination
Part carries out washing away to be realized.When carrying out washout test, the temperature of proof box 2 and water tank temperature need to be configured, by testing
Case temperature sensor 8 and water tank temperature sensor 29 temperature control, test period is also required to be configured, when reaching test temperature
Water in water tank is washed away in the way of precipitation by one water pump 19 and No. 1 water inlet pipe 11 to test specimen, reaches after flushing time
One water pump 19 quits work, and the water in proof box 2 is withdrawn in water tank the second water pump 20, and this is a precipitation scour process.
Claims (8)
1. a kind of asphalt water temperature circulation testing machine, including controller (1), controller (1) is arranged on controller and refrigeration
In the upper end casing of system casing, controller (1) respectively with proof box (2), proof box refrigeration system (3) and cistern system (4)
Electric wire connects；It is characterized in that, described asphalt water temperature circulation testing machine also includes casing (32), proof box (2), examination
Tryoff refrigeration system (3) and cistern system (4)；
Described casing (32) is set to controller and refrigeration system casing, test box body and cistern system case from left to right
Body；
Proof box (2) is arranged in test box body；Proof box refrigeration system (3) is arranged on controller and refrigeration system casing
In the casing of lower end, the heat absorbing conduit of proof box refrigeration system (3) is inserted in test box body by reserved through hole；Cistern system
(4) it is arranged in cistern system casing, one end of first pumping line (25) of the first water pump (19) therein adopts threeway
It is connected with No. 2 water inlet pipe (12) one end with No. 1 water inlet pipe (11) in proof box (2), the water inlet pipe of the second water pump (20)
(26) one end is inserted into test box body bottom.
2. according to the asphalt water temperature circulation testing machine described in claim 1 it is characterised in that described casing (32) is
Cuboid shell structure part, is made up of cuboid skeleton and steel plate, and casing (32) is disposed with controller from left to right
And refrigeration system casing, test box body, cistern system casing and 4 structures identical universal wheel (23)；Described controller
And refrigeration system casing central dividing plate is divided into upper and lower two parts, top is divided into controller box, and bottom is divided into proof box to freeze
System casing, is fixed with the bonnet of easy disassembly in the dead astern of controller box using screw, and controller box is using common
Corrosion resistant plate surrounds, and the bottom middle position of proof box refrigeration system casing is provided with for installation test case refrigerating plant
Screwed hole, surrounding's tank wall of proof box refrigeration system casing uses open-work corrosion resistant plate；At described box bottom corner
It is respectively equipped with the universal wheel (23) moving integrally that structure identical facilitates asphalt water temperature circulation testing machine.
3. according to the asphalt water temperature circulation testing machine described in claim 2 it is characterised in that described test box body
It is made up of box top wall, box bottom, casing antetheca, casing rear wall, casing left side wall and casing right side wall, wherein box top wall
The center of inner side is equably provided with 4～8 screwed holes for installing dewatering device, supports (6) installing bottom
Screwed hole for installation test case electric heating tube (5) is provided with the box bottom of the left and right sides of position, on casing antetheca
Portion is provided with door, and the height of door is the 3/4 of test box body height, and the middle of casing rear wall is equably provided with installation circulation
The screwed hole of fan (10), casing left side wall is same tank wall with the right side tank wall of controller and refrigeration system casing, and casing is right
Side wall is same tank wall with the left side tank wall of cistern system casing, and the casing left side wall of test box body is from top to bottom respectively provided with
There is screwed hole, the screwed hole of installation test case electric heating tube (5) and the installation level sensor installing UV-sunlight lamp (9)
(16) screwed hole, wherein, the height of screwed hole installing UV-sunlight lamp (9), at the 4/5 of casing left side wall height, is pacified
The height of the screwed hole of dress proof box electric heating tube (5), in the middle of casing left side wall, installs the spiral shell of level sensor (16)
The height of pit is by, at the casing left side wall higher than the testing stand 13cm being installed, installing UV-sunlight lamp (9) and test
The screwed hole middle setting of case electric heating tube (5) has the heat absorption for proof box vaporizer (33) in installation test case refrigeration system
The through hole of pipeline, the apical position of the casing right side wall of test box body is provided with for installing the first pumping line (25)
Through hole, the screwed hole of installation UV-sunlight lamp (9) on the casing right side wall of test box body, installation test case electric heating tube
(5) screwed hole is all symmetrical with the screwed hole on casing left side wall and structure is identical, and casing right side wall bottom is provided with for pacifying
Fill the through hole of the second pump water inlet (26), on the casing right side wall of test box body i.e. in No. 2 water inlet pipes (12) through position
Setting 3～4 is used for fixing the screwed hole of No. 2 water inlet pipes (12), and test box body is all using insulation stainless steel materials
Material is made.
4. according to the asphalt water temperature circulation testing machine described in claim 2 it is characterised in that described cistern system case
Body is divided into pumping plant casing, water tank refrigerating plant casing and tank box, and that is, three is that cistern system casing is adopted dividing plate
Completely isolated up and down form, the upper end position of the dividing plate of water tank refrigerating plant casing and tank box is provided with installation water tank evaporation
The through hole of the heat absorbing conduit of device (34), the bottom of pumping plant casing is separately provided for install the first water pump (19) and the
The screwed hole of two water pumps (20), the lower end position of pumping plant casing and the dividing plate of tank box is provided with installation the first water pump and enters
The through hole of water pipe (24) and the second pumping line (27), the bottom middle position of water tank refrigerating plant casing be provided with for
The screwed hole of water tank refrigerating plant (21) is installed, the bottom middle position of tank box is provided with for installing water tank electrical heating
The screwed hole of pipe (28), is provided with the screw thread installing water tank temperature sensor (29) at the lower right corner of the bottom of tank box
Hole, is provided with the screwed hole for installing waterproof turbofan (22), water in the centre position of the bottom of tank box right side wall
The rear side tank wall of case refrigerating plant casing adopts open-work stainless steel flitch (net), remainder casing and dividing plate all using guarantor
The heat-insulated stainless steel material of temperature.
5. according to the asphalt water temperature circulation testing machine described in claim 1 it is characterised in that described proof box (2)
Purple including testing stand, proof box temperature sensor (8), 4 structures identical proof box electric heating tube (5), 2 structure identicals
Outside line daylight lamp (9), circulating fan (10), dewatering device, No. 2 water inlet pipes (12) and level sensor (16)；Wherein：Precipitation fills
Put including No. 1 water inlet pipe (11), No. 1 electrically operated valve (14) and 6～10 structure identicals shower watering can (13), take a shower watering can
(13) quantity is consistent with the upper circular groove quantity of test-piece stand (7)；
Described testing stand is arranged on the middle position of test box body bottom, and the probe of proof box temperature sensor (8) sets
Put on the lateral wall of the test-piece stand (7) in testing stand, level sensor (16) is laid in the proof box higher than testing stand 13cm
At the left side tank wall of casing；2 structures identical proof box electric heating tube (5) are arranged on the proof box case below testing stand two ends
Body bottom, another 2 structures identical proof box electric heating tube (5) are arranged on the middle of test box body left and right sides tank wall, and 2
Individual structure identical UV-sunlight lamp (9) is arranged on the tank wall of the test box body left and right sides, and it is identical to be located at 2 structures
Proof box electric heating tube (5) top；Circulating fan (10) is bolted on the centre of tank wall on rear side of test box body
Position；No. 1 water inlet pipe (11) using on the ceiling medial wall of the test box body being bolted to directly over testing stand, 6～10
Individual structure identical shower watering can (13) is evenly provided on No. 1 water pipe (11) using threeway, and is suspended from test-piece stand (7) groove
Surface, No. 1 electrically operated valve (14) is arranged on the water inlet of No. 1 water inlet pipe (11), and No. 2 electrically operated valves (15) are arranged on 2
The water inlet of number water inlet pipe (12), the outlet of No. 2 water inlet pipes (12) is located at the bottom of test box body, No. 1 water inlet pipe
(11) pass through No. 1 electrically operated valve (14) with No. 2 water inlet pipe (12) water inlets and adopt threeway and the first water with No. 2 electrically operated valves (15)
One end of water pump outlet pipe (25) connects.
6. according to the asphalt water temperature circulation testing machine described in claim 5 it is characterised in that described testing stand includes
Bottom supports (6) and test-piece stand (7), and bottom supports the cylindrical member that (6) are surrounded using contour iron plate, and bottom supports the outer of (6)
Footpath is less than the diameter of test-piece stand (7), and highly for 150mm～200mm, test-piece stand (7) is the annulus bodily form housing being made up of iron plate
Part, the circle that the top end face of test-piece stand (7) annular is along the circumferential direction equably provided with for holding compound test specimen is recessed
Groove, circular groove diameter is 110mm～120mm, and depth is 30mm～40mm, and bottom supports (6) to be located at below test-piece stand (7) simultaneously
It is connected with test-piece stand (7).
7. according to the asphalt water temperature circulation testing machine described in claim 1 it is characterised in that described proof box is freezed
System (3) includes proof box condenser (17), test header compressor (18) and proof box vaporizer (33)；
The heat absorbing conduit of proof box vaporizer (33) passes through the hole on the casing left side wall of test box body in proof box (2)
It extend in test box body, one end of proof box vaporizer (33) is connected by pipeline to the air-breathing of test header compressor (18)
Mouthful, the air vent of test header compressor (18) is connected with proof box condenser (17) one end by pipeline, proof box condenser (17)
The other end is connected with proof box vaporizer (33) other end by capillary tube, test header compressor (18), proof box vaporizer
(33) from left to right order arrangement is arranged on the base plate of proof box refrigeration system casing with proof box condenser (17).
8. according to the asphalt water temperature circulation testing machine described in claim 1 it is characterised in that described cistern system
(4) pumping plant, water tank refrigerating plant (21), waterproof turbofan (22), water tank electric heating tube (28) and water tank temperature are included
Sensor (29)；
The front end that described pumping plant is located on the left of cistern system casing bottom is arranged in the bottom of pumping plant casing,
Pumping plant includes the first water pump (19) and the second water pump (20), and the first pump water inlet (24) one end extend into water tank bottom,
First pumping line (25) is connected by threeway with No. 1 water inlet pipe (11), No. 2 water inlet pipes (12)；The water inlet of the second water pump
Pipe (26) one end extend into the bottom of proof box (2), and the second pumping line (27) one end extend into water tank bottom；
Described water tank refrigerating plant (21) includes condenser box (30), water tank compressor (31) and water tank vaporizer (34),
The rear end that water tank refrigerating plant (21) is located on the left of cistern system casing bottom is arranged on the bottom of water tank refrigerating plant casing
On；
The heat absorbing conduit of water tank vaporizer (34) is stretched into by the separator perforation between water tank refrigerating plant casing and tank box
To in tank box, one end of water tank vaporizer (34) is connected by pipeline to the air entry of water tank compressor (31), and water tank compresses
The air vent of machine (31) is connected with condenser box (30) one end by pipeline, condenser box (30) other end pass through capillary tube with
Water tank vaporizer (34) other end be connected, condenser box (30), water tank vaporizer (34) and water tank compressor (31) from a left side to
Right order arrangement；
Water tank electric heating tube (28) is arranged in water tank bottom, and water tank temperature sensor (29) is arranged in water tank bottom away from water tank electricity
One end of heating tube (28)；Waterproof turbofan (22) is arranged in the bottom end of the right side tank wall of tank box.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611021046.7A CN106483063A (en) | 2016-11-08 | 2016-11-08 | Asphalt water temperature circulation testing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611021046.7A CN106483063A (en) | 2016-11-08 | 2016-11-08 | Asphalt water temperature circulation testing machine |
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| CN201611021046.7A Pending CN106483063A (en) | 2016-11-08 | 2016-11-08 | Asphalt water temperature circulation testing machine |
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| CN107356623A (en) * | 2017-07-28 | 2017-11-17 | 山东和富工程检测有限公司 | A kind of stone material roadbed freezing and thawing circulating test device automatically controlled |
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| CN110186839A (en) * | 2019-06-18 | 2019-08-30 | 郑州航空工业管理学院 | A kind of ultraviolet accelerated photo-ageing case of pitch |
| CN110243856A (en) * | 2019-07-03 | 2019-09-17 | 陕西交通技术咨询有限公司 | Simulate the detection device and detection method on tunnel in cold area road surface |
| CN110702838A (en) * | 2019-10-11 | 2020-01-17 | 唐山公路建设总公司市站公司 | Steel slag test piece determinator and determination method |
| CN111638176A (en) * | 2020-07-13 | 2020-09-08 | 兰州理工大学 | Concrete competition failure accelerated life test device and method |
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