GB/T 25697-2013Road construction and maintenance machinery and equipment - Asphalt pavement hot in-place recycling remixers (English PDF)

3.1 Machine

3.1.1 Asphalt Pavement thermal regeneration reclaimer asphaltpavementhot-in-placerecyclingremixer Having a heating, scarifying, mixing, add asphalt recycled materials, adding asphalt, paving and other functions of the asphalt pavement maintenance equipment, said Function which can be combined on a single machine, or by a combination of these different functions into a mechanical unit.

3.1.2 Bituminous Pavement thermal regeneration reclaimer combinedasphaltpavementhot-in-placerecyclingremixer A computer with heating, scarifying, mixing, adding asphalt recycling solution, adding new asphalt, paving and other functions of the reclaimer.

3.1.3 Step asphalt pavement in situ thermal regeneration reclaimer sub-stepasphaltpavementhot-in-placerecyclingremixer Heating, scarifying, mixing, adding asphalt recycling solution, adding a new asphalt function, according to a combination of process requirements in different machinery Reclaimer unit formation.

3.1.4 Asphalt Pavement situ thermal regeneration unit complex mix asphaltpavementhot-in-placerecyclingremixerunit Or by the combined fractional Asphalt Pavement Hot Recycling asphalt reclaimer and heating machines, pavers, rollers and other equipment combination To complete asphalt pavement in situ thermal regeneration complete unit construction.

3.2 Parts

3.2.1 Add new asphalt system newasphaltmixtureaddedsystem General mechanism for adding new devices and asphalt mixture.

3.2.2 Pavement heating system heatingsystem Of the road surface and bodies collectively means of heating.

3.2.3 Scarifying means scarifyingunit The heated and softened road scarifying loose material into the apparatus.

3.2.4 Sprayed asphalt recycling apparatus asphaltliquidsprayingunit The regeneration agent emulsified asphalt or bitumen solution is sprayed into the device a predetermined desired position of the construction.

3.3 Technical Performance

3.3.1 Working width workingwidth Reclaimer regeneration pavement width.

3.3.2 Scarifying depth scarifyingdepth Reclaimer on the road scarifying depth.

3.3.3 Stirring capacity mixingcapacity In unit time through the mixing system can achieve a uniform mixture state maximum quality.

3.3.4 Working speed workingspeed Regeneration reclaimer walking speed during the construction.

3.3.5 Traveling speed travelspeed Reclaimer walking speed during the transition.

3.3.6 Heating Fuel theoretical consumption heatingfuelconsumptioninspecified At ambient temperature 25 °C ± 5 °C, wind speed is less than under 3m/s working environment to the maximum working width of asphalt concrete pavement condition Surface (medium-grained asphalt) heating operation, the surface temperature does not exceed 180 °C, 40mm thick surface layer temperature of not less than 70 °C, heating In unit time per unit area of \u200b\u200bthe heating fuel consumption amount (volume or mass) systems.

3.3.7 Theoretical productivity theorecitalproductivity At ambient temperature 25 °C ± 5 °C, wind speed is less than 3m/s working environment, reclaimer to regenerate width 4m, depth 40mm regeneration Under normal operating state of the asphalt concrete pavement (medium-grained asphalt) thermal recycling construction, the road to complete the regeneration unit time Surface area.

3.3.8 Quality of work operatingmass Reclaimer machine quality in working condition, and that the host device and the accessory device and the work specified by the manufacturer with, including a drive Drive member (75kg), the fuel tank filled with oil, liquid system liquid is injected into the quality requirements specified by the manufacturer when.

3.3.9 The quality of transport shippingmass Reclaimer meet the railways, highways and other transportation requirements with the state or quality. That host, fuel tank fill 10% of the volume of fuel, Other liquid is injected into the liquid system requirements specified by the manufacturer, not including the driver, according to the manufacturer's specifications or may not include work wear Mass calculated position, attachment, cab, awning, ROPS, FOPS, wheels and the ballast and the like.

5.1 Basic requirements

5.1.1 welded structure shall comply with the technical requirements of JB/T 5943's.

5.1.2 Assembly should be consistent with JB/T 5945 requirements of. Fastener tightening torque compliance, there should be no loosening.

5.1.3 repair and replacement of wearing parts shall comply with the minimum size of the inlet GB/T 17299 of.

5.1.4 Ambient temperature normal work of 15 °C ~ 40 °C.

5.1.5 various instruments, signs, markings should be eye-catching, clear, easy to observe. Manipulate symbols should be consistent with GB/T 8593.1 and GB/T 8593.2 Provisions. 1) infrared generating material should be fixed, reliable, easy to replace; 2) burner should be consistent with the requirements of GB 16914.

5.4.5 by the feeding system By feeding system requirements are as follows:

a) shall have a reasonable tipper supporting docking device;

b) the ability of the material should match the capacity of the complex mix stirring machine;

c) should be suitable for dump truck unloading hopper height, front hopper floor level should be less than 600mm.

5.4.6 Add new asphalt system Add new asphalt system requirements are as follows:

a) asphalt transportation capacity delivery device should be re-mixing machine maximum capacity match;

b) asphalt delivery device operating speed should be adjusted, compared with the design value of permissible error shall not exceed ± 3%.

5.4.7 regenerated catalyst spray system

5.4.7.1 regenerant tank requirements are as follows: Tank volume

6.1 Test the basic requirements Technical Data

6.1.1 The test shall be prepared as follows:

a) product manual;

b) product standards;

c) test program;

d) in accordance with Appendix A, Appendix B production test machine performance and reliability of the test data recording table.

6.1.2 experimental prototype requirements are as follows:

a) experimental prototype should be equipped, no sludge, oil, bumps, indicator, warning signs, etc. shall be legible;

b) test prototype fuel, hydraulic oil, coolant, lubricants, and other instructions should be used according to the requirements stipulated filled to capacity; RY RZ · B0 (2) Where. Cx

--- horizontal longitudinal center of gravity to the front axle distance, in millimeters (mm); Cy

--- focus frame longitudinal centerline transverse horizontal distance (right-hand dealers predetermined direction is positive, negative on the left), in millimeters (Mm);

--- The C0 wheelbase in millimeters (mm); The arithmetic mean of B0

--- wheelbase in millimeters (mm); RQ

--- front axle assigned mass, in kilograms (kg); RH

--- rear axle assigned mass, in kilograms (kg); RZ

6.3 Test travel speed

6.3.1 Test conditions.

a) The test site shall comply with 6.1.3b) requirements;

b) experimental prototype equipment by running state. 1) prototype at the maximum quality of work status; 2) working prototype device is in the fully retracted and raised to the highest position, there should be a hanging pin or hook hanging pin insertion Well, hanging hook firmly.

6.3.2 Test equipment. speed gauge, stopwatch, steel tape measure, benchmark, wind instrument.

6.3.3 Test Method. Reach speeds

a) designate 30m test area, located at both ends of the secondary road, its length should be able to ensure that the test prototype before entering the test area stable;

6.5.4 The test results recorded in Table A.7.

6.6 braking performance test

6.6.1 Service brake

6.6.1.1 Test conditions. with 6.4.1.

6.6.1.2 Test equipment. the same 6.3.2.

6.6.1.3 Test Method. prototype at top speed into the test area, measure the actual initial speed before braking, and then tighten according to the test signal Emergency brake, measured from the signal to a complete stop distance traveled is issued, the calculation should not exceed the value of the braking distance of formula (3). L = v2 150 0.2 (V 5) (3) Where. L

--- allowable braking distance in meters (m); v

--- brake initial speed in kilometers per hour (km/h).

6.6.1.4 The test results recorded in Table A.8.

6.6.2 Ramp parking brake

6.6.2.1 Test conditions. with 6.5.1.

6.6.2.2 Test equipment. timer, steel tape, steel ruler and so on.

6.6.2.3 Test Method. prototype carried on a slope uphill, downhill parking brake, rear brake until completely turn off the engine, the transmission is in neutral status. Observed after 10min, measured slipped away.

6.6.2.4 The test results recorded in Table A.9.

6.7 Minimum ground clearance test

6.7.1 Test conditions. with 6.4.1.

6.7.2 Test equipment. steel tape, steel ruler, benchmarking and the like.

6.7.3 Test Method.

a) determining reclaimer with minimal equipment from the site under the state;

b) measure the minimum distance from the ground to pitch.

6.7.4 The test results recorded in Table A.10.

6.8 Noise Test

6.8.1 Test conditions.

a) test site shall comply with 6.1.3e) provisions;

b) between the microphone and sound level meter prototype should someone or obstacles, obstructions near the microphone should not affect the sound field test Inspection personnel shall not affect the sound level meter readings local observation;

c) prototype in job status, the engine throttle is the largest oil position.

6.8.2 Test Method performed in GB/T 17248.2 requirements.

6.8.3 The test results recorded in Table A.11.

6.9 Sealing performance testing

6.9.1 Test conditions.

a) prototype fuel tanks, water tanks and gas tank are mounted to the effective volume of the two-thirds;

b) hydraulic tank charged with a predetermined amount of hydraulic oil; twenty one

c) experimental prototype leakage may occur prior to the test site should be wiped clean.

6.9.2 Test Method. After

a) experimental prototype continuous 1.5h, stop immediately detected;

b) under the possible leakage area of \u200b\u200bthe pad of paper, in order to observe;

c) After stopping to check oil leakage within 10min case, if drops of oil or traces of oil leaking area of \u200b\u200bmore than 200cm2, it is determined Oil spills, leaking traces of oil if the area does not exceed 200cm2, or only traces of oil appear is determined that oil leakage;

d) After stopping to check water leakage within 5min case, if water droplets dripping or seeping water soaked area of \u200b\u200bmore than 200cm2, it is determined It is leaking, leaking water if wet area of \u200b\u200bnot more than 200cm2, or only soaked in water phenomenon is determined that water seepage;

e) Gas cylinders, pneumatic components, various pipes, fittings, plugs and other parts of air tightness test liquid coating method, the test pressure is not lower than the tank Work pressure, dwell time of not less than 5min, bubbles escape or back pressure drop phenomenon is the leak.

6.9.3 The test results recorded in Table A.12.

6.10 Hydraulic Oil Pollution solid oil cleanliness test and measurement

6.10.1 Test conditions. immediately after the test in a prototype continuous 1.5h.

6.10.2 Test equipment.

a) by JG T 5089 and JG/T predetermined solid hydraulic oil contamination cleanliness testing equipment/5090;

b) a timer, a thermometer or other temperature instruments.

6.10.3 Test method.

a) according to the provisions of JG/T 5090 sampling of hydraulic oil;

b) according to the provisions of JG/T 5089 were tested;

c) according to the provisions of JG/T 5035 to determine the hydraulic fluid cleanliness class solid pollution;

d) measuring the temperature of the hydraulic oil temperature with a thermometer or other instruments. ...