CN105300824B - Mist sealing wearability test device and method based on friction - Google Patents
Mist sealing wearability test device and method based on friction Download PDFInfo
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- CN105300824B CN105300824B CN201510794838.7A CN201510794838A CN105300824B CN 105300824 B CN105300824 B CN 105300824B CN 201510794838 A CN201510794838 A CN 201510794838A CN 105300824 B CN105300824 B CN 105300824B
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- hydraulic cylinder
- longitudinal rail
- hydraulic
- mist sealing
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- 238000012360 testing method Methods 0.000 title claims abstract description 68
- 239000003595 mist Substances 0.000 title claims abstract description 33
- 238000007789 sealing Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title abstract description 11
- 230000033001 locomotion Effects 0.000 claims abstract description 10
- 238000005299 abrasion Methods 0.000 claims abstract description 8
- 239000002828 fuel tank Substances 0.000 claims description 14
- 239000010720 hydraulic oil Substances 0.000 claims description 6
- 238000010998 test method Methods 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 239000003921 oil Substances 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 4
- 239000003305 oil spill Substances 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000013441 quality evaluation Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention belongs to road surface mechanics Indexs measure technical fields, are related to a kind of mist sealing wearability test device and method based on friction, which includes mounting bracket, the runner being connected in mounting bracket, the hydraulic system of driving runner movement;The hydraulic system is slided up and down including an at least hydraulic cylinder and hydraulic motor, at least a Driven by Hydraulic Cylinder runner;The hydraulic motor driving runner slides back and forth;The method includes the steps:Test specimen with mist sealing is positioned over below device, hydraulic system is started, makes runner scroll forward and backward on mist sealing, detects runner abrasion condition, tests the wearability of mist sealing.Simpler, accurate, better adaptability is measured using the present apparatus and method.
Description
Technical field
The invention belongs to road surface mechanics Indexs measure technical field, be related to a kind of wearability test device based on friction and
Method, the mist sealing wearability test for airfield runway or highway etc..
Background technology
Wearability is the main durability index of airfield runway or highway.With the high speed development of China's road engineering,
The road surface for using cement concrete and pitch as material is more and more, and many pavement damages are caused because wearability is too poor
, so being very important to the evaluation of airfield runway or highway pavement wearability.
Important place of the airport as aircraft lifting and landing, since aircraft is great, compared with road driving automobile to the pressure on ground
Much larger, general aircraft, in 1.3~1.5Mpa, further increases the destruction on road surface to the pressure of airport pavement.In order to meet
The requirement of airfield runway carries out mist enveloping treatment to runway with particular matter, and passes through a kind of simple light apparatus
Wearability test is carried out to the runway surface after processed.And it is then required to the wear-resistant of superficial layer attachment (plated film) in laboratory
Damage performance and adhesive performance need a kind of test method of simplicity.
Now with the presence of a large amount of wearability test device, but traditional wearability test device is typically to big face
Product, the thicker coating of thickness are tested, and test device is usually larger, and force is larger, can not to the coating of thinner thickness into
Row test.The flatness requirement of traditional wearability test device road pavement is very high, and the road surface not high to flatness has pressure
Fluctuation influences to test effect.The wearability test apparatus and method specifically for airport bituminous paving, therefore this hair are had no at present
The bright wearability test device and its evaluation method for proposing a kind of suitable airfield runway or highway.
Invention content
The object of the present invention is to provide the mist sealing wearability test device and method of a kind of airfield runway or highway etc..
The present apparatus makes wearability test that can also be carried out under the special occasions compared with flash plating such as mist sealing, and the present apparatus can also make
When being adapted to the variation of sample to be tested surface smoothness automatically by friction means, and sample to be tested can be made to have certain self-recovery
Between, to meet actual requirement, to solve the shortcoming of traditional test device.
To realize the above-mentioned technical purpose, the present invention is realised by adopting the following technical scheme.
A kind of mist sealing wearability test device based on friction, including mounting bracket are connected in mounting bracket and turn
Wheel drives the hydraulic system of the runner movement;The mounting bracket includes cross slide way, is slidably connected to the cross slide way
On rack body;Left longitudinal rail and right longitudinal rail, the left longitudinal rail and the right side are equipped in the rack body
Runner holder is equipped between longitudinal rail;The runner holder connects runner, and the runner is installed on runner holder by shaft
On, the shaft is arranged on runner holder, and the right end of the shaft passes through the part of runner holder to be fixed with first pulley, institute
It states first pulley and connects the hydraulic system by transmitting the second belt wheel of band connection, second belt wheel;The hydraulic system packet
Include at least a hydraulic cylinder and hydraulic motor, at least hydraulic cylinder setting the runner holder and the rack body it
Between, and the runner holder is driven to be slided up and down along the left longitudinal rail and the right longitudinal rail;The hydraulic motor
It is installed on the rack body, and the rack body is driven to be slid back and forth on the cross slide way.
Preferably, the rack body includes bracket base, bottom end be installed on left support arm on bracket base and
Right support arm, the crossbeam that the left support arm is connected with the top of right support arm;The madial wall of the left support arm is equipped with
The madial wall of left longitudinal rail, the right support arm is equipped with right longitudinal rail.
Preferably, the left longitudinal rail is mounted on the madial wall of the left support arm by welding;
The right longitudinal rail is mounted on the madial wall of the right support arm by welding.
Preferably, the right end of the first pulley and the shaft is integrally formed.
Preferably, the runner holder is connected to including one between the left longitudinal rail and the right longitudinal rail
Tie-beam, and the rotaring wheeling base that is downwardly extending by tie-beam;Described in being fixed between the tie-beam and the crossbeam extremely
A few hydraulic cylinder;The runner is equipped in the rotaring wheeling base.
Preferably, an at least hydraulic cylinder is two, including first hydraulic cylinder and second hydraulic cylinder, described first
Hydraulic cylinder and second hydraulic cylinder are disposed side by side between the tie-beam and the crossbeam.
Preferably, the hydraulic system includes Driven by Hydraulic Cylinder circuit and hydraulic motor driving circuit;The hydraulic pressure
Cylinder driving circuit includes an at least hydraulic cylinder, and an at least hydraulic cylinder connects the first reversal valve, first reversal valve
Connect fuel tank;The hydraulic motor driving circuit includes hydraulic motor, the second reversal valve of the hydraulic motor connection, and described second
Reversal valve connects the fuel tank.
Preferably, being additionally provided with to measure at least pressure of a hydraulic cylinder on the Driven by Hydraulic Cylinder circuit
Pressure gauge.
Preferably, the output pipe of the fuel tank is separately connected first commutation again after being divided into two branch lines
Valve and the second reversal valve;It is equipped with variable pump and oil filter successively along the direction of hydraulic oil outflow on the output pipe;
A return line also in parallel, the return line are equipped with overflow valve by the output pipe, when to measure pressure larger for pressure gauge
When, the overflow valve is opened flows back to fuel tank by extra oil spill.
Another technical solution of the present invention:10, a kind of mist sealing abrasion resistance test method based on friction, including step,
Step 1:Between test specimen with mist sealing is positioned over cross slide way, make under test specimen face runner
Side;
Step 2:The first reversal valve is opened, so that an at least hydraulic cylinder, the piston rod of an at least hydraulic cylinder is stretched out, driving
The runner holder is moved downward along left longitudinal rail and right longitudinal rail, and the runner holder declines with the runner,
Runner continues to be pressurized after runner is contacted with test specimen, reading value in pressure gauge is observed at this time, if pressure gauge readings reaches survey
Preset value is tried, then adjusting the first reversal valve makes an at least hydraulic cylinder be in middle position pressurize;If pressure gauge readings is not up to tested pre-
If value, then runner continues to be pressurized, until reaching test preset value;
Step 3:After pressure reaches test preset value, the second reversal valve is opened, hydraulic motor turn drives second tape wheel is made to rotate,
And movement is reached first pulley by the second belt wheel by conveyer belt, first pulley drives shaft rotation, with turning for shaft key connection
Wheel also and then rotates, and the rack body being connect with runner is moved forward and backward also along cross slide way, and runner rolls on mist sealing;
Step 4:After runner rolls a period of time, when runner is worn, adjusting the second reversal valve at this time makes hydraulic pressure
Motor is stopped, and to make runner stop rolling, rack body stop motion, then adjusting the first reversal valve makes an at least liquid
The piston rod of cylinder pressure is shunk, and runner is made to be promoted, and unloads runner, detects runner and test specimen abrasion condition, records data, test
The wearability of mist sealing, test terminate.
Beneficial effects of the present invention:
Since this test device is small, can select to exert a force according to actual conditions, it, also can be into so when mist sealing is relatively thin
Row measures, and the larger coating of large area, thickness can only be directed in the prior art by, which overcoming the shortcomings of, measures;When test specimen table
When surface evenness is not high, runner can press to it by hydraulic motor, and runner is made adequacy test sample surfaces can to put down automatically
Whole degree variation, it is more adaptable;Wearability test back and forth can be not only carried out to test specimen using the test method, but also
Certain pressure test can be carried out, the requirement that the not high road surface of flatness has pressure fluctuation is met, is measured simpler and accurate
Really.
Description of the drawings
Fig. 1 is the front view of test device of the present invention;
Fig. 2 is the rearview of test device of the present invention;
Fig. 3 is present hydraulic system principle schematic;
Fig. 4 is the method for the present invention flow diagram;
1- left support arms;2- left support floors;3- first hydraulic cylinders;4- runner holders;5- right support floors;The second liquid of 6-
Cylinder pressure;7- right support arms;The left longitudinal rails of 8-;The right longitudinal rails of 9-;10- hydraulic motors;11- motor mounts;12- is laterally led
Rail pulley;13- cross slide ways;14- bracket bases;The second belt wheels of 15-;16- runners;17- sleeves;18- fasteners;19- shafts;
20- transmission belts;21- first pulleys;22- pressure gauges;The first speed governing valves of 23-;The second speed governing valves of 24-;The first reversal valves of 25-;26-
Overflow valve;27- oil filters;28- variable pumps;29- fuel tanks;The second reversal valves of 30-;31- crossbeams;32- tie-beams;33- rotaring wheeling bases;
34- output pipes;35- branch lines;36- return lines.
Specific implementation mode
The invention will be further described below in conjunction with the accompanying drawings:
Please refer to Fig.1 and Fig. 2, Fig. 1 be test device of the present invention front view;Fig. 2 is that Fig. 2 is test device of the present invention
Rearview.Mist sealing wearability test device of the present invention based on friction, including mounting bracket, are connected to mounting bracket
On runner 16, drive the runner 16 move hydraulic system.
The mounting bracket includes cross slide way 13, the rack body being slidably connected on the cross slide way 13.It is described
Rack body includes bracket base 14, and bottom end is installed on left support arm 1 and right support arm 7 on bracket base 14, by the left side
The crossbeam 31 that the top of support arm 1 and right support arm 7 links together.The bracket base 14 is lived by cross slide way pulley 12
It is dynamic to be installed on cross slide way 13, so that rack body is slidably reciprocated on cross slide way 13.
The left support arm 1 and right support arm 7 are in herringbone, their lower end is all installed to the bracket base 14
On.The madial wall of the left support arm 1 is equipped with left longitudinal rail 8, and the madial wall of the right support arm 7 is led equipped with right longitudinal direction
Rail 9.The left longitudinal rail 8 can be processed directly on the madial wall of the left support arm 1;Either by welding or other
Connecting mode is mounted on the madial wall of the left longitudinal rail 8, and for the ease of processing, the present invention selects the latter.Likewise, institute
Stating right longitudinal rail 9 can also directly process on the madial wall of the right support arm 7;Either pass through welding or other connections
Mode is mounted on the madial wall of the right longitudinal rail 9, and for the ease of processing, the present invention selects the latter.
In order to keep structure more stable, between the crossbeam 31 and the left longitudinal rail 8 or the crossbeam 31 and institute
It states and adds a left support floor 2 between left support arm 1, same reason can also be in the crossbeam 31 and the right longitudinal rail 9
Between or the crossbeam 31 and the right support arm 7 between add a right support floor 5.
Runner holder 4 is equipped between the left longitudinal rail 8 and the right longitudinal rail 9.The runner holder 4 with it is described
An at least hydraulic cylinder is set between crossbeam 31, and runner holder 4 is led along the left longitudinal direction described in an at least Driven by Hydraulic Cylinder
Rail 8 and the right longitudinal rail 9 slide up and down.In the present embodiment, the hydraulic cylinder is two, including first hydraulic cylinder 3 and the
Two hydraulic cylinders 6, the first hydraulic cylinder 3 and second hydraulic cylinder 6 be disposed side by side on the runner holder 4 and the crossbeam 31 it
Between.
The runner holder 4 includes a tie-beam being connected between the left longitudinal rail 8 and the right longitudinal rail 9
32, and the rotaring wheeling base 33 that is downwardly extending by tie-beam 32.Described in being fixed between the tie-beam 32 and the crossbeam 31
First hydraulic cylinder 3 and second hydraulic cylinder 6.
Runner 16 is equipped in the rotaring wheeling base 33, the runner 16 is keyed a shaft 19, and the shaft 19, which is arranged in, to be turned
On wheel seat 33,19 excessive wear of the shaft in order to prevent, 33 both sides of the rotaring wheeling base are equipped with sleeve 17, a left side for the shaft 19
End and right end stretch out the rotaring wheeling base 33 after being each passed through sleeve 17.The left end of the shaft 19 passes through on the rotaring wheeling base 33
It is lockked by fastener 18 after sleeve 17, the fastener 18 can be bolt or nut etc., and the present invention selects nut.Described turn
The right end of axis 19 passes through the part of rotaring wheeling base 33 to be fixed with first pulley 21, and the right end of first pulley 21 and the shaft 19 can be with
Key connection is integrally formed.The first pulley 21 connects the second belt wheel 15,15 axis of the second belt wheel by transmission belt 20
Hydraulic motor 10 is connected, hydraulic motor 10 is mounted on by motor mount 11 on bracket base 14.Hydraulic motor 10 starts, the
The rotation of two belt wheels 15 makes transmission belt 20 that first pulley 21 be driven to rotate, and first pulley 21 drives the shaft 19 to rotate, described turn
Runner 16 is driven to rotate when axis 19 rotates, the rotation of runner 16 drives rack body to be moved forward and backward on cross slide way 13.
Referring to Fig. 3, Fig. 3 is present hydraulic system principle schematic.The hydraulic system includes that Driven by Hydraulic Cylinder is returned
Road and hydraulic motor driving circuit.
The Driven by Hydraulic Cylinder circuit includes an at least hydraulic cylinder, and an at least hydraulic cylinder connects the first reversal valve
25, first reversal valve 25 connects fuel tank 29.In the present embodiment, as previously described, an at least hydraulic cylinder includes
First hydraulic cylinder 3 and second hydraulic cylinder 6, the first hydraulic cylinder 3 connect first reversal valve 25 by the first speed governing valve 23,
The second hydraulic cylinder 6 connects first reversal valve 25 by the second speed governing valve 24.First reversal valve 25 is three four
Logical reversal valve.It is additionally provided with to measure the pressure gauge 22 of an at least cylinder pressure on the Driven by Hydraulic Cylinder circuit.
The hydraulic motor driving circuit includes the hydraulic motor 10, and the hydraulic motor 10 connects the second reversal valve
30, second reversal valve 30 connects fuel tank 29.Second reversal valve 30 is three position four-way directional control valve.
The output pipe 34 of the fuel tank 29 is separately connected first reversal valve 25 again after being divided into two branch lines 35
With the second reversal valve 30.It is equipped with variable pump 28 and oil strain successively along the direction of hydraulic oil outflow on the output pipe 34
Device 27, to control the flow of hydraulic oil, the oil filter 27 is used to carry out the hydraulic oil in fuel tank 29 variable pump 28
Filtering, improves the degree of purity of hydraulic oil.A return line 36 in parallel is gone back on 34 side of the output pipe, is set on the return line 36
Have overflow valve 26, when pressure gauge 22 measure pressure it is larger when, overflow valve 26 open, extra oil spill is flowed back into fuel tank 29.
Referring to Fig. 4, Fig. 4 is the method for the present invention flow diagram.The airfield runway mist sealing based on friction of the present invention
Abrasion resistance test method includes the following steps:
Step 1:Between test specimen with mist sealing is positioned over cross slide way 13, make test specimen face runner 16
Lower section.Wherein, the test specimen is made according to the simulation of the airfield runway of actual use.
Step 2:The first reversal valve 25 is opened, an at least hydraulic cylinder, the piston rod of an at least hydraulic cylinder is made to stretch out, drive
It moves the runner holder 4 to move downward along left longitudinal rail 8 and right longitudinal rail 9, the runner holder 4 is with the runner
16 decline, and runner 16 continues to be pressurized after runner 16 is contacted with test specimen, reading value in pressure gauge 22 are observed at this time, if pressure
22 readings of table reaches test preset value, then adjusting the first reversal valve 25 makes an at least hydraulic cylinder be in middle position pressurize;If pressure gauge
22 readings not up to test preset value, then runner 16 continues to be pressurized, until reaching test preset value.
Step 3:After pressure reaches test preset value, the second reversal valve 30 is opened, 10 turn drives second tape wheel of hydraulic motor is made
15 rotations, and movement is reached first pulley 21 by the second belt wheel 15 by transmission belt 20, first pulley 21 drives shaft 19 to rotate,
The runner 16 being keyed with shaft 19 also and then rotates, and the rack body being connect with runner 16 does front and back also along cross slide way 13
Movement, runner 16 roll on mist sealing.
Step 4:After runner 16 rolls a period of time, when runner 16 is worn, the second reversal valve 30 is adjusted at this time
Hydraulic motor 10 is set to be stopped, to make runner 16 stop rolling, then rack body stop motion adjusts the first reversal valve
25 make the piston rod of an at least hydraulic cylinder shrink, and runner 16 is made to be promoted, and unload runner 16, detect runner 16 and test specimen abrasion
Situation records data, tests the wearability of mist sealing, and test terminates.
Wherein, wearability quality evaluation index is sought under identical rotating speed, records the wear extent of measurand, abrasion
Measure small, then wearability is preferable.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
God and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (8)
1. a kind of mist sealing wearability test device based on friction, it is characterised in that:Including mounting bracket, it is connected to installation branch
Runner on frame drives the hydraulic system of the runner movement;The mounting bracket includes cross slide way, is slidably connected to described
Rack body on cross slide way;Left longitudinal rail and right longitudinal rail, the left longitudinal rail are equipped in the rack body
Runner holder is equipped between the right longitudinal rail;The runner holder connects runner, and the runner is installed on by shaft
On runner holder, the shaft is arranged on runner holder, and the right end of the shaft passes through the part of runner holder to be fixed with the
One belt wheel, the first pulley connect the hydraulic system by transmitting the second belt wheel of band connection, second belt wheel;The liquid
Pressure system includes that an at least hydraulic cylinder and hydraulic motor, an at least hydraulic cylinder is arranged in the runner holder and the holder
Between main body, and the runner holder is driven to be slided up and down along the left longitudinal rail and the right longitudinal rail;The liquid
Pressure motor is installed on the rack body, and the rack body is driven to be slid back and forth on the cross slide way;The branch
Frame body includes bracket base, and bottom end is installed on left support arm and right support arm on bracket base, by the left support arm and
The crossbeam of the top connection of right support arm;The madial wall of the left support arm is equipped with left longitudinal rail, the right support arm
Madial wall is equipped with right longitudinal rail;The hydraulic system includes Driven by Hydraulic Cylinder circuit and hydraulic motor driving circuit;It is described
Driven by Hydraulic Cylinder circuit includes an at least hydraulic cylinder, and an at least hydraulic cylinder connects the first reversal valve, and described first changes
Fuel tank is connected to valve;The hydraulic motor driving circuit includes hydraulic motor, and the hydraulic motor connects the second reversal valve, described
Second reversal valve connects the fuel tank.
2. the mist sealing wearability test device according to claim 1 based on friction, it is characterised in that:The left longitudinal direction
Guide rail is mounted on the madial wall of the left support arm by welding;The right longitudinal rail is pacified by welding
On the madial wall of the right support arm.
3. the mist sealing wearability test device according to claim 1 based on friction, it is characterised in that:The first band
Wheel and the right end of the shaft are integrally formed.
4. the mist sealing wearability test device according to claim 1 based on friction, it is characterised in that:The runner branch
Frame includes a tie-beam being connected between the left longitudinal rail and the right longitudinal rail, and is extended downwardly by tie-beam
The rotaring wheeling base of formation;An at least hydraulic cylinder described in being fixed between the tie-beam and the crossbeam;Institute is equipped in the rotaring wheeling base
State runner.
5. the mist sealing wearability test device according to claim 4 based on friction, it is characterised in that:Described at least one
Hydraulic cylinder is two, including first hydraulic cylinder and second hydraulic cylinder, the first hydraulic cylinder and second hydraulic cylinder are disposed side by side on
Between the tie-beam and the crossbeam.
6. the mist sealing wearability test device according to claim 1 based on friction, it is characterised in that:The hydraulic cylinder
It is additionally provided with to measure the pressure gauge of at least pressure of a hydraulic cylinder on driving circuit.
7. the mist sealing wearability test device according to claim 1 based on friction, it is characterised in that:The fuel tank
Output pipe is separately connected first reversal valve and the second reversal valve again after being divided into two branch lines;On the output pipe
It is equipped with variable pump and oil filter successively along the direction of hydraulic oil outflow;A return line also in parallel, institute by the output pipe
State return line and be equipped with overflow valve, when pressure gauge measure pressure it is larger when, extra oil spill is flowed back in overflow valve unlatching
Fuel tank.
8. a kind of mist sealing abrasion resistance test method based on friction, it is characterised in that:It is according to claim 1 to be based on rubbing
The mist sealing wearability test device of wiping, the test method includes step,
Step 1:Between test specimen with mist sealing is positioned over cross slide way, make below test specimen face runner;
Step 2:The first reversal valve is opened, so that an at least hydraulic cylinder, the piston rod of an at least hydraulic cylinder is stretched out, drives runner
Holder is moved downward along left longitudinal rail and right longitudinal rail, and the runner holder declines with the runner, when runner with
Runner continues to be pressurized after test specimen contact, observes reading value in pressure gauge at this time, if pressure gauge readings reaches test preset value,
Then adjusting the first reversal valve makes an at least hydraulic cylinder be in middle position pressurize;If pressure gauge readings not up to tests preset value, turn
Wheel continues to be pressurized, until reaching test preset value;
Step 3:After pressure reaches test preset value, the second reversal valve is opened, hydraulic motor turn drives second tape wheel is made to rotate, and the
Movement is reached first pulley by two belt wheels by conveyer belt, and first pulley drives shaft rotation, the runner with shaft key connection
And then it rotates, the rack body being connect with runner is moved forward and backward also along cross slide way, and runner rolls on mist sealing;
Step 4:After runner rolls a period of time, when runner is worn, adjusting the second reversal valve at this time makes hydraulic motor
It is stopped, to make runner stop rolling, rack body stop motion, then adjusting the first reversal valve makes an at least hydraulic cylinder
Piston rod shrink, so that runner is promoted, unload runner, detect runner and test specimen abrasion condition, record data, test mist envelope
The wearability of layer, test terminate.
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CN201510794838.7A CN105300824B (en) | 2015-11-18 | 2015-11-18 | Mist sealing wearability test device and method based on friction |
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CN105910931A (en) * | 2016-04-22 | 2016-08-31 | 苏交科集团股份有限公司 | Sand-containing fog seal material durability evaluation method |
CN106198285B (en) * | 2016-06-28 | 2019-04-05 | 南通广润新材料科技有限公司 | A kind of evaluation method of mist sealing material wear-resisting property |
CN108330794A (en) * | 2018-01-30 | 2018-07-27 | 长安大学 | A kind of asphalt track fining preventive maintenance and evaluation method |
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CN101915710A (en) * | 2010-07-23 | 2010-12-15 | 武汉理工大学 | Simulation test method of road surface anti-skidding overlaying material unconsolidation and particle fall and testing equipment thereof |
CN102109445A (en) * | 2010-12-09 | 2011-06-29 | 南京航空航天大学 | Multi-direction heavy load frictional wear test method |
CN103207126A (en) * | 2013-03-29 | 2013-07-17 | 辽宁省交通科学研究院 | Device and method for testing surface abrasion of pavement material |
CN103424325A (en) * | 2013-08-21 | 2013-12-04 | 招商局重庆交通科研设计院有限公司 | Pavement accelerated polishing experiment device |
CN104101552A (en) * | 2014-07-09 | 2014-10-15 | 南京信息工程大学 | Accelerated loading abrasion device for pavement |
CN204269495U (en) * | 2014-11-24 | 2015-04-15 | 长安大学 | A kind of ground surface material accelerates abrasion laboratory testing rig |
CN204536008U (en) * | 2015-02-02 | 2015-08-05 | 天津市三合顺工贸有限公司 | Bicycle tyre testing apparatus |
CN205138926U (en) * | 2015-11-18 | 2016-04-06 | 长安大学 | Airport runway or highway fog seal wearability test system |
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