CN109490187A - Bituminous concrete crack self-healing simulation testing instrument - Google Patents
Bituminous concrete crack self-healing simulation testing instrument Download PDFInfo
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- CN109490187A CN109490187A CN201910038870.0A CN201910038870A CN109490187A CN 109490187 A CN109490187 A CN 109490187A CN 201910038870 A CN201910038870 A CN 201910038870A CN 109490187 A CN109490187 A CN 109490187A
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- 238000012360 testing method Methods 0.000 title claims abstract description 191
- 238000004088 simulation Methods 0.000 title claims abstract description 33
- 238000001514 detection method Methods 0.000 claims abstract description 35
- 210000001774 pressoreceptor Anatomy 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 48
- 238000010438 heat treatment Methods 0.000 claims description 15
- 238000005096 rolling process Methods 0.000 claims description 12
- 230000007613 environmental effect Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 12
- 230000035876 healing Effects 0.000 description 11
- 241000196324 Embryophyta Species 0.000 description 10
- 238000005057 refrigeration Methods 0.000 description 8
- 230000007246 mechanism Effects 0.000 description 7
- 238000005507 spraying Methods 0.000 description 4
- 230000002123 temporal effect Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/38—Concrete; Lime; Mortar; Gypsum; Bricks; Ceramics; Glass
- G01N33/383—Concrete or cement
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Abstract
The invention discloses bituminous concrete crack self-healing simulation testing instruments, are related to engineering detecting technical field of test equipment, its key points of the technical solution are that: including testing stand and the support column being connect with testing stand bottom end, tests countertop and be connected with translucent cover；It tests countertop and is equipped with jig frame；Test specimen is equipped in the holding chamber of jig frame；It tests countertop and is equipped with the pressoreceptor for being located at jig frame inner bottom；Jig frame is equipped with Temperature Humidity Sensor close to the top surface of test specimen；It tests countertop and is equipped with wheel load simulator；Translucent cover inner sidewall is equipped with environment simulator；Translucent cover inner top surface is equipped with detection device；The bottom surface of testing stand is equipped with processor；The side wall of testing stand is equipped with control panel connected to the processor and Bluetooth signal receiver；The bottom surface of testing stand is equipped with power supply device.With can under the conditions of analog study various working bituminous concrete crack self-healing behavior, meanwhile, test operation is simple, safe and reliable effect.
Description
Technical field
The present invention relates to engineering detecting technical field of test equipment, more specifically, it relates to which bituminous concrete crack is certainly
Heal simulation testing instrument.
Background technique
The high-grade highway of overwhelming majority of countries uses asphalt pavement structure form in the world, and the cracking of bituminous pavement is
One of most important early disease of bituminous pavement, and a kind of road disease being not yet fully solved in the world.However, by closing
The bituminous pavement of reason design and strict construction is possible to avoid the structural destruction as caused by crack, and reason is bituminous concrete
It is a kind of viscoelastoplastic material, there is crack self-healing ability under certain conditions, this is also exactly some bituminous pavement entities
Engineering can be after still having the reason of good service ability for many years.The crack self-healing phenomenon of bituminous concrete is one more multiple
Miscellaneous process, is restricted by many factors, and in addition to therein composed structure, load level and temperature and humidity conditions are to close the most
The environmental factor of key.
Currently, although researchers at home and abroad have carried out more grind to the self-healing behavior of bituminous pavement fatigue crack
Study carefully, but not yet develop it is a kind of can study bituminous concrete load and environment individually or crack self-healing behavior under coupling
Special instrument.
Therefore, theoretical to improve bituminous concrete Damage and Fracture, the Crack Control Technology of bituminous pavement is improved, pitch is extended
The service life on road surface, it is necessary to develop crack self-healing of a set of pair of bituminous concrete under different loads and environmental condition effect
Close the test apparatus that performance is studied.
Summary of the invention
The object of the present invention is to provide bituminous concrete crack self-healing simulation testing instrument, have can analog study it is a variety of
The crack self-healing behavior of bituminous concrete under working condition, meanwhile, test operation is simple, safe and reliable effect.
Above-mentioned technical purpose of the invention has the technical scheme that bituminous concrete crack self-healing
Simulation testing instrument, including testing stand and the support column being fixedly connected with testing stand bottom end, the test countertop is connected with
Translucent cover；The top surface of the testing stand is equipped with jig frame；Test specimen is equipped in the holding chamber of the jig frame；The test countertop
Equipped with the pressoreceptor for being located at jig frame bottom end；The jig frame is equipped with Temperature Humidity Sensor close to the top surface of test specimen；It is described
Testing stand is equipped with the contact wheel load simulator with test specimen top surface close to the top surface of jig frame；The inner sidewall of the translucent cover
Equipped with environment simulator；The inner top surface of the translucent cover is equipped with detection device；The bottom surface of the testing stand is equipped with and feeling of stress
The processor that receiver, Temperature Humidity Sensor, wheel load simulator, environment simulator are connected with detection device；The examination
The side wall for testing platform is equipped with control panel connected to the processor and Bluetooth signal receiver；The bottom surface of the testing stand is equipped with power supply
Device.
By using above-mentioned technical proposal, when being tested using simulation testing instrument, using jig frame, it is convenient for test specimen
It is fixed on the top surface of testing stand, consequently facilitating testing test specimen；Control information is issued extremely by operation control panel
Processor, processor are receiving the control information and are handling the information, and then processor is transferred to information is controlled
Wheel load simulator simultaneously works according to control information control wheel load device, to apply lotus to surface of test piece
Carry power；By pressoreceptor, convenient for experiencing test specimen because of pressure information suffered by the work of wheel load device, then feeling of stress
The pressure information experienced is transferred to processor by receiver, processor receive after the pressure information to the information carry out processing with
Storage, consequently facilitating being calculated according to the pressure information the data for the deformation that test specimen is generated by load force；Then it grasps
To make control panel and issues control information to processor, processor is handled the control information after receiving the control information,
Then processor works according to the control information governance environment simulator, so that it is various in test process to simulate test specimen
Work condition environment；Meanwhile by Temperature Humidity Sensor, convenient for experiencing temperature and humidity letter of the test specimen during the test around test specimen
Breath, then Temperature Humidity Sensor will experience temperature and humidity information and be transferred to processor；Processor receive the temperature and
The information is handled and stored after humidity information；Control information is issued to processor, processor by operation control panel
The information is handled after receiving the control information, then processor controls detection device work according to the control information
Make；By detection device, the load force applied during the test by temperature, humidity and wheel load device convenient for detection test specimen
Influence caused by crack and its healing information, the crack and healing information that test specimen that then detection device will test generates
It is transferred to processor, processor is handled and stored to the information after receiving the information；By Bluetooth signal receiver, just
Computer end, which is transferred to, in the test data for storing processor carries out calculating analysis；In the whole process tested test specimen
In, it is more convenient for analog study by the work of wheel load device, environment simulator, Temperature Humidity Sensor and detection device
Test specimen generates self-healing behavior behind crack under kind working condition, meanwhile, test operation is simple, safe and reliable effect.
The present invention is further arranged to: the wheel load simulator includes the fixation being fixedly connected with test countertop
Plate, the telescopic cylinder being slidably connected with fixed plate top surface and the idler wheel being connect with telescopic cylinder；The telescopic end of the telescopic cylinder
It is fixedly connected with connecting column；The center of the connecting column is connected with rolling bearing；The rolling bearing is connected with connecting plate, described
Grafting is fixed at the center of rolling bearing and connecting plate；Two ends of the connecting plate are connected separately with first body of rod and the second bar
Body；First body of rod is fixedly connected with the top surface of telescopic cylinder；Second body of rod is fixedly connected far from the end of connecting column
There is loading plate；The bottom end of the loading plate is connected with idler wheel, and the surface of the idler wheel is contacted with the top surface of test specimen；The loading plate
Top surface is removably connected with heavy piece；The telescopic cylinder is connect with processor and power supply device.
By using above-mentioned technical proposal, pass through telescopic cylinder, connecting column, rolling bearing, connecting plate, idler wheel, the first bar
The mechanism that body and second body of rod are constituted, moves reciprocatingly convenient for idler wheel in the top surface of test specimen；By loading plate and with loading plate top
Heavy piece of face connection increases the carrying quality of idler wheel convenient for moving reciprocatingly to idler wheel, consequently facilitating simulating examination in the process
Load force that part is subject to and generate crack.
The present invention is further arranged to: the environment simulator includes the temperature simulator connecting with translucent cover side wall
With humidity simulation device；The temperature simulator includes heating device, refrigerating plant and temperature controller connected to the processor；Institute
Stating humidity simulation device includes that the water tank being fixedly connected with translucent cover side wall, the suction pump connecting with water tank and suction pump are discharged
The water spout holding the water pipe of connection and being connect with water pipe far from the end of suction pump；The suction pump is connect with processor.
By using above-mentioned technical proposal, operates control panel and issue control information to processor, processor receives this
The information is handled after control information, then processor controls temperature simulator and humidity simulation according to the control information
Device works；By heating device, convenient for testing test specimen during to simulated environment carry out heat temperature raising；It is logical
Cross refrigerating plant, convenient for testing test specimen during to simulated environment carry out refrigeration cool-down；By temperature controller, convenient for control
The temperature of refrigerating/heating apparatus and refrigerating plant during the work time, so that heating devices heat heating and refrigerating plant refrigeration
Heated at constant temperature and constant temperature refrigeration during cooling；The water spraying mechanism being made up of water tank, suction pump, water pipe and water spout, just
In simulating the humidity environment of test specimen during the test.
The present invention is further arranged to: side wall of the support column close to testing stand bottom surface is connected with catch box；The collection
The bottom end of liquid case is communicated with hose；End of the hose far from catch box is connect with water tank top.
By using above-mentioned technical proposal, using catch box, the hose and water tank that are connected to catch box bottom end, it is convenient for and water
The water spraying mechanism that case, suction pump, water pipe and water spout are constituted forms water circulation system, consequently facilitating carrying out humidity during test
The water energy of environmental simulation enough recycles.
The present invention is further arranged to: the detection device includes dynamic crack detector connected to the processor and timing
Device；The dynamic crack detector and timer are connect with power supply device.
By using above-mentioned technical proposal, by dynamic crack detector, convenient for detection test specimen in different loads and environment
The lower width for generating crack, the width information in the crack that then dynamic crack detector will test are transferred to processor, handle
Device is handled and is stored in the width information for receiving the crack；Meanwhile by timer, carried out in dynamic crack detector
When Crack Detection works, timing is carried out to the healing time in test specimen crack, and the temporal information is transferred at processor
Reason and storage；By the work of fracture detecting instrument and timer, convenient for record test specimen generate at different conditions behind crack more
Close the time.
The present invention is further arranged to: the translucent cover is equipped with close to the inner wall top of dynamic crack detector and processor
The lighting device of connection；The lighting device is connect with power supply device.
By using above-mentioned technical proposal, by lighting device, convenient for being provided clearly for the probe of dynamic crack detector
Detection light so that the testing result of dynamic crack detector fracture is accurate.
The present invention is further arranged to: the translucent cover is hollow and bottom opening rectangular column；The test countertop
Edge is fixedly connected with sleeve；The shaft of the translucent cover bottom end being fixedly connected on one side with sleeve socket；The translucent cover
Bottom end be fixedly connected with the rubber strip for sealing.
By using above-mentioned technical proposal, by rubber strip, so that the formation between translucent cover inner cavity and test countertop
The environment of one opposing seal, consequently facilitating the influence for the environment for avoiding extraneous factor from going out test process simulation.
In conclusion the invention has the following advantages: passing through wheel load device, environment simulator, temperature and humidity
The work of sensor and detection device, convenient for self-healing behavior behind test specimen generation crack under the conditions of analog study various working；Together
When, test operation is simple, securely and reliably；By Bluetooth signal receiver, the test data convenient for storing processor is transferred to
Computer end carries out calculating analysis；Pass through telescopic cylinder, connecting column, rolling bearing, connecting plate, idler wheel, first body of rod and the second bar
The mechanism that body is constituted, moves reciprocatingly convenient for idler wheel in the top surface of test specimen；It is heavy to connect by loading plate and with carrying plate top surface
Pouring weight increases the load of idler wheel convenient for moving reciprocatingly to idler wheel, consequently facilitating simulating the load force that test specimen is subject in the process
And generate crack；By heating device, convenient for testing test specimen during to simulated environment carry out heat temperature raising；Pass through
Refrigerating plant, convenient for testing test specimen during to simulated environment carry out refrigeration cool-down；By temperature controller, convenient for control
The temperature of heating device and refrigerating plant during the work time；The sprinkler being made up of water tank, suction pump, water pipe and water spout
Structure, convenient for simulating the humidity environment of test specimen during the test；By dynamic crack detector, convenient for detection test specimen in difference
The width in crack is generated under load and environment, the width information in the crack that then dynamic crack detector will test is transferred to place
Device is managed, processor is handled and stored in the width information for receiving the crack；By timer, in dynamic crack detector
When carrying out Crack Detection work, timing carried out to the healing time in test specimen crack, and by the temporal information be transferred to processor into
Row processing and storage, consequently facilitating record test specimen generates the healing time behind crack at different conditions.
Detailed description of the invention
Fig. 1 is the structural schematic diagram in the embodiment of the present invention；
Fig. 2 is the enlarged drawing in Fig. 1 at A.
In figure: 1, testing stand；2, support column；3, translucent cover；4, jig frame；5, test specimen；6, pressoreceptor；7, temperature and humidity
Sensor；8, detection device；9, control panel；10, Bluetooth signal receiver；11, processor；12, power supply device；13, fixed
Plate；14, telescopic cylinder；15, idler wheel；16, connecting column；17, rolling bearing；18, connecting plate；19, first body of rod；20, the second bar
Body；21, loading plate；22, heavy piece；23, temperature simulator；24, humidity simulation device；25, heating device；26, refrigeration dress
It sets；27, temperature controller；28, water tank；29, water pipe；30, water spout；31, suction pump；32, catch box；33, hose；34, it dynamically splits
Stitch detector；35, timer；36, lighting device；37, shaft；38, sleeve；39, rubber strip.
Specific embodiment
Below in conjunction with attached drawing 1-2, invention is further described in detail.
Embodiment: bituminous concrete crack self-healing simulation testing instrument, as depicted in figs. 1 and 2, including testing stand 1 and with
The support column 2 that 1 bottom end of testing stand is fixedly connected, 1 top surface of testing stand are connected with translucent cover 3.The top surface of testing stand 1 is fixed to be connected
It is connected to jig frame 4.Test specimen 5 is installed in the holding chamber of jig frame 4.1 top surface of testing stand is connected with the pressure positioned at 4 bottom end of jig frame
Ergoreceptor 6.Jig frame 4 is connected with Temperature Humidity Sensor 7 close to the top surface of test specimen 5.Testing stand 1 is close to the top surface of jig frame 4
It is fixedly connected with the contact wheel load simulator with 5 top surface of test specimen.The inner sidewall of translucent cover 3 is connected with environmental simulation dress
It sets.The inner top surface of translucent cover 3 is connected with detection device 8.The bottom surface of testing stand 1 is equipped with and pressoreceptor 6, temperature and humidity sensing
The processor 11 that device 7, wheel load simulator, environment simulator and detection device 8 connect.The side wall of testing stand 1 is fixed
It is connected with the control panel 9 and Bluetooth signal receiver 10 connecting with processor 11.The bottom surface of testing stand 1 is fixedly connected with power supply
Device 12.
In the present embodiment, power supply device 12 be battery, power supply device 12 be tester in it is each with electric device into
Row power supply.When being tested using simulation testing instrument, by jig frame 4, test specimen 5 is fixed on to the top surface of testing stand 1,
Consequently facilitating testing test specimen 5.Control information is issued to processor 11 by operation control panel 9, and processor 11 is connecing
It receives the control information and the information is handled, then processor 11 is transferred to wheel load simulator for information is controlled
And wheel load device is controlled according to the control information and is worked, to be further applied load power to 5 surface of test specimen.Pass through feeling of stress
Receiver 6, convenient for experiencing test specimen 5 because of pressure information suffered by the work of wheel load device, then pressoreceptor 6 will be experienced
Pressure information be transferred to processor 11, processor 11 is handled and is stored to the information after receiving the pressure information, from
And convenient for being calculated according to data of the pressure information to the deformation that test specimen 5 is generated by load force.Then operation control
Panel 9 issues control information to processor 11, and processor 11 is handled the control information after receiving the control information, so
Preprocessor 11 works according to the control information governance environment simulator, so that it is each in test process to simulate test specimen 5
Kind work condition environment.Meanwhile by Temperature Humidity Sensor 7, convenient for experience temperature of the test specimen 5 during the test around test specimen 5 and
Humidity information, then Temperature Humidity Sensor 7 will experience temperature and humidity information and be transferred to processor 11.Processor 11 is receiving
The information is handled and stored after to the temperature and humidity information.Control information is issued to place by operation control panel 9
Device 11 is managed, processor 11 is handled the information after receiving the control information, and then processor 11 is believed according to the control
Breath control detection device 8 works.By detection device 8, convenient for detection test specimen 5 during the test by temperature, humidity and wheel
Crack and its healing information caused by the influence for the load force that load means apply, the examination that then detection device 8 will test
The crack and healing information that part 5 generates are transferred to processor 11, and processor 11 is handled the information after receiving the information
With storage.By Bluetooth signal receiver 10, the test data convenient for storing processor 11 is transferred to computer end and calculates
Analysis.During the entire process of testing test specimen 5, pass through wheel load device, environment simulator, temperature and humidity sensing
The work of device 7 and detection device 8, convenient for self-healing behavior behind the generation of test specimen 5 crack under the conditions of analog study various working, together
When, test operation is simple, safe and reliable effect.
Wheel load simulator includes that the fixed plate 13 being fixedly connected with 1 top surface of testing stand and 13 top surface of fixed plate are sliding
The telescopic cylinder 14 of dynamic connection and the idler wheel 15 being connect with telescopic cylinder 14.The telescopic end of telescopic cylinder 14 is fixedly connected with connection
Column 16.The center of connecting column 16 is connected with rolling bearing 17.Rolling bearing 17 is connected with connecting plate 18, rolling bearing 17 with connect
The fixed grafting in the center of plate 18.Two ends of connecting plate 18 are connected separately with first body of rod 19 and second body of rod 20.First bar
Body 19 is fixedly connected with the top surface of telescopic cylinder 14.Second body of rod 20 is fixedly connected with loading plate far from the end of connecting column 16
21.The bottom end of loading plate 21 is connected with idler wheel 15, and the surface of idler wheel 15 is contacted with the top surface of test specimen 5.21 top surface of loading plate is removable
It unloads and is connected with heavy piece 22.Telescopic cylinder 14 is connect with processor 11 and power supply device 12.
In the present embodiment, it is detachably connected with 21 top surface of loading plate for heavy piece 22, is conveniently replaceable the heavy of different quality
Block 22, so that test specimen 5 is during the test by different load forces；Pass through telescopic cylinder 14, connecting column 16, rotation axis
The mechanism that 17, connecting plate 18, idler wheel 15, first body of rod 19 and second body of rod 20 are constituted is held, convenient for idler wheel 15 in the top surface of test specimen 5
It moves reciprocatingly.By loading plate 21 and connect with 21 top surface of loading plate heavy piece 22, convenient for moving reciprocatingly to idler wheel 15
The carrying quality for increasing idler wheel 15 in the process, consequently facilitating simulating the load force that test specimen 5 is subject to and generating crack.
Environment simulator includes the temperature simulator 23 connecting with 3 side wall of translucent cover and humidity simulation device 24.Temperature
Spending simulator 23 includes the heating device 25, refrigerating plant 26 and temperature controller 27 connecting with processor 11.Humidity simulation device
24 include that the water tank 28 being fixedly connected with 3 side wall of translucent cover, the suction pump 31 connecting with water tank 28 and 31 water outlet of suction pump connect
The water pipe 29 connect and the water spout 30 being connect with water pipe 29 far from the end of suction pump 31.Suction pump 31 is connect with processor 11.
In the present embodiment, operation control panel 9 issues control information to processor 11, and processor 11 receives the control
The information is handled after information, then processor 11 controls temperature simulator 23 and humidity simulation according to the control information
Device 24 works.By heating device 25, convenient for testing test specimen 5 during to simulated environment carry out heating rise
Temperature.By refrigerating plant 26, convenient for testing test specimen 5 during to simulated environment carry out refrigeration cool-down.Pass through temperature control
Device 27, convenient for the temperature of control heating device 25 and refrigerating plant 26 during the work time, so that heating device 25 heats
Heated at constant temperature and constant temperature refrigeration during heating and 26 refrigeration cool-down of refrigerating plant.Pass through water tank 28, suction pump 31, water pipe 29
The water spraying mechanism formed with water spout 30, convenient for simulating the humidity environment of test specimen 5 during the test.
Side wall of the support column 2 close to 1 bottom surface of testing stand is connected with catch box 32.The bottom end of catch box 32 is communicated with hose
33.End of the hose 33 far from catch box 32 is connect with 28 top of water tank.
In the present embodiment, using catch box 32, the hose 33 and water tank 28 that are connected to 32 bottom end of catch box, it is convenient for and water
The water spraying mechanism that case 28, suction pump 31, water pipe 29 and water spout 30 are constituted forms water circulation system, consequently facilitating during test
The water energy for carrying out humidity environment simulation enough recycles.
Detection device 8 includes the dynamic crack detector 34 and timer 35 connecting with processor 11.Dynamic crack detection
Instrument 34 and timer 35 are connect with power supply device 12.
In the present embodiment, it by dynamic crack detector 34, is generated under different loads and environment convenient for detection test specimen 5
The width information of the width in crack, the crack that then dynamic crack detector 34 will test is transferred to processor 11, processor
11 are handled and are stored in the width information for receiving the crack.Meanwhile by timer 35, in dynamic crack detector 34
When carrying out Crack Detection work, timing is carried out to the healing time in 5 crack of test specimen, and the temporal information is transferred to processor 11
It is handled and is stored.By the work of fracture detecting instrument and timer 35, generates and split at different conditions convenient for record test specimen 5
Healing time after seam.
Translucent cover 3 is equipped with the lighting device 36 connecting with processor 11 close to the inner wall top of dynamic crack detector 34.
Lighting device 36 is connect with power supply device 12.
In the present embodiment, lighting device 36 is white-light illuminating lamp.By lighting device 36, convenient for being detected for dynamic crack
The probe offer of instrument 34 clearly detects light, so that the testing result of 34 fracture of dynamic crack detector is accurate.
Translucent cover 3 is hollow and bottom opening rectangular column.1 top edge of testing stand is fixedly connected with sleeve 38.It is transparent
That covers 3 bottom ends is fixedly connected with the shaft 37 being socketed with sleeve 38 on one side.The bottom end of translucent cover 3 is fixedly connected with for sealing
Rubber strip 39.
In the present embodiment, by rubber strip 39, so that formation one between 1 top surface of 3 inner cavity of translucent cover and testing stand
The environment of opposing seal, consequently facilitating the influence for the environment for avoiding extraneous factor from going out test process simulation.
Working principle: when being tested using simulation testing instrument, using jig frame 4, convenient for test specimen 5 to be fixed on
The top surface of testing stand 1, consequently facilitating testing test specimen 5.Control information is issued to processor by operation control panel 9
11, processor 11 is receiving the control information and is handling the information, and then processor 11 is transferred to information is controlled
Wheel load simulator simultaneously works according to control information control wheel load device, to apply to 5 surface of test specimen
Load force.It is then pressed by pressoreceptor 6 convenient for experiencing test specimen 5 because of pressure information suffered by the work of wheel load device
The pressure information experienced is transferred to processor 11 by ergoreceptor 6, and processor 11 receives after the pressure information to the information
It is handled and is stored, consequently facilitating being carried out according to data of the pressure information to the deformation that test specimen 5 is generated by load force
It calculates.Then operation control panel 9 issues control information to processor 11, and processor 11 receives after the control information to the control
Information processed is handled, and then processor 11 works according to the control information governance environment simulator, to simulate
Test specimen 5 is in the test various work condition environments of process.Meanwhile by Temperature Humidity Sensor 7, convenient for experiencing test specimen 5 during the test
Temperature and humidity information around test specimen 5, then Temperature Humidity Sensor 7 will experience temperature and humidity information and be transferred to processor
11.Processor 11 is handled and is stored to the information after receiving the temperature and humidity information.By operating control panel 9
Control information is issued to processor 11, processor 11 handles the information after receiving the control information, then handles
Device 11 controls detection device 8 according to the control information and works.By detection device 8, convenient for detection test specimen 5 during the test by
Crack and its healing information caused by the influence for the load force that temperature, humidity and wheel load device apply, then detection fills
It sets crack that 8 test specimens 5 that will test generate and healing information is transferred to processor 11, processor 11 receives right after the information
The information is handled and is stored.During the entire process of testing test specimen 5, pass through wheel load device, environmental simulation
The work of device, Temperature Humidity Sensor 7 and detection device 8, after generating crack convenient for test specimen 5 under the conditions of analog study various working
Self-healing behavior, meanwhile, test operation is simple, safe and reliable effect.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (7)
1. bituminous concrete crack self-healing simulation testing instrument is fixedly connected including testing stand (1) and with testing stand (1) bottom end
Support column (2), it is characterized in that: the testing stand (1) top surface is connected with translucent cover (3)；The top surface of the testing stand (1) is set
There are jig frame (4)；Test specimen (5) are equipped in the holding chamber of the jig frame (4)；Testing stand (1) top surface, which is equipped with, is located at fixture
The pressoreceptor (6) of frame (4) bottom end；The jig frame (4) is equipped with Temperature Humidity Sensor (7) close to the top surface of test specimen；It is described
Testing stand (1) is equipped with and the contact wheel load simulator of test specimen (5) top surface close to the top surface of jig frame (4)；It is described transparent
The inner sidewall for covering (3) is equipped with environment simulator；The inner top surface of the translucent cover (3) is equipped with detection device (8)；The testing stand
(1) bottom surface be equipped with pressoreceptor (6), Temperature Humidity Sensor (7), wheel load simulator, environment simulator and
The processor (11) of detection device (8) connection；The side wall of the testing stand (1) is equipped with the control panel connecting with processor (11)
(9) and Bluetooth signal receiver (10)；The bottom surface of the testing stand (1) is equipped with power supply device (12).
2. bituminous concrete crack self-healing simulation testing instrument according to claim 1, it is characterized in that: the wheel load
Simulator includes the fixed plate (13) being fixedly connected with testing stand (1) top surface, stretches with what fixed plate (13) top surface was slidably connected
Contracting cylinder (14) and the idler wheel (15) being connect with telescopic cylinder (14)；The telescopic end of the telescopic cylinder (14) is fixedly connected with company
Connect column (16)；The center of the connecting column (16) is connected with rolling bearing (17)；The rolling bearing (17) is connected with connecting plate
(18), the fixed grafting in the center of the rolling bearing (17) and connecting plate (18)；Distinguish two ends of the connecting plate (18)
It is connected with first body of rod (19) and second body of rod (20)；The top surface of first body of rod (19) and telescopic cylinder (14) is fixed to be connected
It connects；Second body of rod (20) is fixedly connected with loading plate (21) far from the end of connecting column (16)；The loading plate (21)
Bottom end is connected with idler wheel (15), and the surface of the idler wheel (15) is contacted with the top surface of test specimen (5)；Loading plate (21) top surface can
Dismantling connection has heavy piece (22)；The telescopic cylinder (14) connect with processor (11) and power supply device (12).
3. bituminous concrete crack self-healing simulation testing instrument according to claim 1, it is characterized in that: the environmental simulation
Device includes the temperature simulator (23) connecting with translucent cover (3) side wall and humidity simulation device (24)；The temperature simulation
Device (23) includes the heating device (25), refrigerating plant (26) and temperature controller (27) connecting with processor (11)；The humidity
Simulator (24) include the water tank (28) being fixedly connected with translucent cover (3) side wall, the suction pump (31) being connect with water tank (28),
The water pipe (29) being connect with suction pump (31) water outlet and the water spout being connect with water pipe (29) far from the end of suction pump (31)
(30)；The suction pump (31) connect with processor (11).
4. bituminous concrete crack self-healing simulation testing instrument according to claim 3, it is characterized in that: the support column
(2) side wall close to testing stand (1) bottom surface is connected with catch box (32)；The bottom end of the catch box (32) is communicated with hose
(33)；The hose (33) connect far from the end of catch box (32) with water tank (28) top.
5. bituminous concrete crack self-healing simulation testing instrument according to claim 1, it is characterized in that: the detection device
It (8) include the dynamic crack detector (34) and timer (35) being connect with processor (11)；The dynamic crack detector
(34) it is connect with timer (35) with power supply device (12).
6. bituminous concrete crack self-healing simulation testing instrument according to claim 5, it is characterized in that: the translucent cover
(3) the inner wall top close to dynamic crack detector (34) is equipped with the lighting device (36) connecting with processor (11)；The photograph
Bright device (36) connect with power supply device (12).
7. bituminous concrete crack self-healing simulation testing instrument according to claim 1, it is characterized in that: the translucent cover
It (3) is hollow and bottom opening rectangular column；Testing stand (1) top edge is fixedly connected with sleeve (38)；It is described transparent
The shaft (37) being fixedly connected on one side with sleeve (38) socket of cover (3) bottom end；The bottom end of the translucent cover (3) is fixedly connected
There is the rubber strip (39) for sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910038870.0A CN109490187A (en) | 2019-01-16 | 2019-01-16 | Bituminous concrete crack self-healing simulation testing instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910038870.0A CN109490187A (en) | 2019-01-16 | 2019-01-16 | Bituminous concrete crack self-healing simulation testing instrument |
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| CN109490187A true CN109490187A (en) | 2019-03-19 |
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ID=65714651
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910038870.0A Pending CN109490187A (en) | 2019-01-16 | 2019-01-16 | Bituminous concrete crack self-healing simulation testing instrument |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112033887A (en) * | 2020-09-22 | 2020-12-04 | 叶超 | High temperature resistance test equipment suitable for silicone sealant |
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| JP2001296224A (en) * | 2000-04-12 | 2001-10-26 | Mitsubishi Heavy Ind Ltd | Deflection-preventing method for hydraulic hose of mobile loading fatigue tester |
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Application publication date: 20190319 |