JB/T 9727-2001 Test methods for comprehensive road maintenance vehicles
Some standard content:
JCS 53.J00
Machinery Industry Standard of the People's Republic of China
JB/T9727-2001
Comprehensive road maintainer
Test method
Road maintainer--Test 2001-04-03 Issued
China Machinery Industry Federation
2001-10-01 Implementation
JB/T9727-200L
This standard is a reference to JB9727-1999 "Test Methods for Comprehensive Road Maintenance Vehicles". Compared with JBT9727-1999, the main technical changes of this standard are as follows: Added the determination of the operating force:
Added the pressure test:
Cancelled the radiation test:
-Cancelled the working disc measurement, replaced the central position measurement, and the specific method of the measurement and the description of the "determination requirements" in Table 1 are replaced by the provisions of the relevant standards. This standard will replace JB.T972-199 from the date of implementation. This standard is proposed and managed by the Mechanical Industry Engineering Machinery Standardization Technical Committee. The originating units of this standard are: Tianqing Engineering Machinery Research Institute, Zhenjiang Huazong Huani Road Machinery Co., Ltd. The main drafters of this standard are: Wang Qing, Man Cunrong, Liu Yimin, Guan Runcai, Heng Yao. This standard was first issued in March 1998 as 2BJ85009-88, and the standard number was adjusted to JB9727-1999 in April 1999. This is the first time to order it.
1 Scope
Machinery Industry Standard of the People's Republic of China
Test Methods for Comprehensive Road Maintenance Vehicles
Road naintainer-Testmethods
The technical standard specifies the overall performance test method and industrial test method of comprehensive road maintenance vehicles. The standard applies to the test of comprehensive road maintenance vehicles (hereinafter referred to as maintenance vehicles) in JET5957. 2 Cited standards
JB/T 9727-2001
Replaces JR:T 9727—1499
The provisions contained in the listed standards constitute the contentious texts of this standard through reference in this standard. When this standard is published, the versions shown are valid. All standards may be revised. When using this standard, the parties should explore the possibility of using the latest versions of the following standards: JR/T3690-1999 IR/T 3873.1999 JD/T 5957-1991 JBT 7690-1995 3 General 3.1.2.3.4.5.1 Earth-moving machinery Quality measurement of the whole machine and its working device and components Method for determining the position of the center of gravity of earth-moving machinery General 3.1.2.3.4.5.1 Earth-moving machinery: Terminology ... 3.3 Technical data that should be available for road maintenance vehicle inspection: a) Product technical conditions; b) Instructions for use of the whole machine and technical drawings; original assembly dimensions and debugging records of the main parts of the test prototype; d) Performance test report or product qualification certificate of the chassis, filter pressure pump, filter pressure cylinder and filter pressure tank of the test machine. 3.4 For various directly measured parameters, if there is no special explanation, the average value of one measurement is taken. The measurement accuracy should comply with the provisions of JB/T7690. 3.5 The following preparations shall be made for the test: a) Calibrate the accuracy of test instruments, tools, sensors, etc. b) The sample shall be verified using the instruction manual to adjust the safety pressure of the pressure relief system. d) The sample shall be tested for idling and close-fitting according to the product technical regulations: Fill in the requirements of Table 2.
Approved by China Machinery Industry Federation on April 3, 2001 and implemented on October 1, 2001
Model of machine
Number of machine
Appearance of maintenance Www.bzxZ.net
Welding quality
Sealing of pressure relief parts
Lubrication condition
Sample model:
Special tools, tooling conditions
Start batch speed ||tt ||The most fashionable air combat transfer
Low no-load speed
Pressure system
Brake operating oil pressure, air pressure
Also vehicle transportation
(80% of the vehicle speed in each gear
Maintenance operation
Standardized firm
Standardized transfer
Avoid twisting support
Maximum length
Suction depth
Maximum height
Machine shrinkage quality
Special machine working quality
Axle bearing quality
Rear axle riding board quality
Hopper filling capacity
Parking points
JB/T9727--2001||tt ||Book 1 Inspection record before road maintenance test
Inspection date
Tester
Road surface
Operation time
Obstacle discovery and elimination method
Selection
Operation time
Obstacle discovery and elimination method
Table 2 Performance data table of road maintenance vehicle (design estimate)
ryrain
Factory number:
Design position
Front wheel
Rear wheel
Brake height
Small ground clearance
Diameter of wheel
Radial torque
Vehicle vibration Comparison
Compressing length
No-load pressing force
No-load positive force
Back force
Limited capacity
Product service
Screw diameter
Material quantity
Gingival speed
The total amount
Maximum dynamic response
Total dynamic force
Pressed system gear size
Liquid positive inner diameter/sample diameter×stroke
Tail gate cylinder inner diameter rod diameter×travel area
Hydraulic oil tank solution
Impact cost
Washing box area
New thermal energy tank customer knowledge
Heater supply
JB/T 9727—2001
Table 2 (Yuan)
kg'min
Design Hall
Complete machine performance test
4.! Stationary test
JE/T97272001
The stationary test shall be carried out on a hard and level road surface (within the specification of the overall dimensions of the road maintenance vehicle, the slope of the test site in each direction shall not exceed 0.5%, and the flatness shall not exceed 3m/m), the hopper shall be filled with materials with a certain load, and the tire inflation pressure shall reach a fixed value. Determine the overall dimensions of the whole machine in the transport state (see Figure 1), and the measured values shall be recorded in Table 34.2. The weight of the whole machine, the load capacity of the bridge bearing and the hopper dissolution process shall be determined according to the regulations of JB/T3690, and the results shall be recorded in Table 4. The measurement steps are as follows: a) Measure the mass of the whole machine:
b) Fill the hopper with dry sand until it is level with the upper edge of the hopper, close the hopper, and then measure the mass flow and material density after filling, and calculate the hopper volume according to formula (1):
Where:
The mass of the road maintenance vehicle when the sample is loaded, k:
M The working mass of the road maintenance vehicle, kg:
- Material density.kg/L:
One hopper volume, m,
The final load weight of the whole machine is calculated
Front wheel ratio
5 wheel ratio
Machine dimensions
Support model:
Factory number:
Verification certificate:
Approach angle
Distance angle from soil
Foot Large high seat (with lamp)
Ti Yuan Gao should be 1 without bringing it! | | tt | Width
Zhang Kai Center Road Maintenance Vehicle Level Shangxin Medical Merchant
Wuzhoukou
JBT9727—2001
Table of overall machine dimensions measurement record ice table||tt| |Test period:
Test location:
Regular mass matrix, analysis of mass differences and hopper volume determination table setting machine model:
: No.: || tt||Object name:
Boko Mipi
Ke Dou Section
Juti T Long Year
The whole machine is a mother
Device Substance
Trial period H:
Test rate point:
Comparison personnel:
First load quality force
Delete positioning||tt| |The rear axle load-bearing quality is the same
[The quality of the whole machine is to add oil, cold water, cleaning oil, etc., and the properties are changed independently from the other two, adding more than one-half of the feeling in the fuel. City, Kaoduhan includes the original machine
1 The full load mass of the whole machine is the expansion of .1 Infer the total mass of the particles determined by the original Li full question. 4.3 The control force must travel according to the case
JB9727—2001
The maximum pressure is 5+5%. The engine runs at the calibrated speed specified in the instruction manual. Measure the control force and travel respectively, and record the results. Table 5.
Table 5 Operating force and stroke measurement record table
Prototype model:
Inquiry number:
Test person:
Shigaohejilu Cabinet
Foot brake pedal
Hand brake change lever
Variable speed operation analysis
Burning ground transmitter exploration
Grain pressing lift Screw vertical rod
Pressed carbon jade burning rod
Yuanshengjujiu drying vertical rod
4.4 hydraulic cylinder action time measurement
beautiful action||tt| |Test date,
Test location:
Fast vertical force N
Stroke m
The pressure relief temperature is at 50 degrees Celsius, and the engine is operating at the maximum limit specified in the instruction manual Set the light speed and transport the light, respectively measure the full compression and full compression time of the hydraulic cylinder with tailgate when full load and no load, and calculate the hydraulic compression speed. Record the results in Table 6: Operating model No.:
Test character:
Pressed and depressed, the river stretches out
The jade tax deer presses the river back
Ju Xiao's pressure stretches out
Glue chasing out
Benkey Xiaobei Consumer Network
Door extension
Min, press the red hall back
4.5 reverse pressure cylinder anti-drop single measurement||tt ||JB/F9727—20D1
Table 6 Filter cylinder action speed measurement record
Test date:
Test location:
Measurement of hydraulic vertical settlement Divided into two types: dynamic and static. Line Settings
4.5.1 The measurement conditions of your working conditions are: starting oil temperature 509±5, full load, road maintenance truck driving on level 2-3 public roads at a speed of 30-.50kmh for 1 hour, and measuring all settlements , and taking into account the fall settlement velocity, the measuring station Xingji showed that the initial oil temperature of 4.52 static settlement was 50±5°C, and the ambient temperature was 25.±5°C. The road maintenance vehicle was parked on a solid level ground, and the engine end was on fire. Measure the settlement plate for 1 hour, calculate the deceleration rate, and record the results on the chart. surface? Dynamic pressure regulating cylinder settlement record table
Factory editor:
Test person:
Pressure port pressure collection
Prototype model:
No.:| | tt | |Test pool point:
Static filter pressure rainbow settlement record table
Test date:
Test location:
Parking time
Center of gravity required Measure according to the provisions of B3873, and record the determined results as surface resistance
matching reduction mmLh
R reduction speed
Machine model:
Factory registration number ：
Response to test risk:
Operation quality status of light machine
Quality matching of the complete machine
4. Open and close test of hopper cover||tt ||JB/T 9727-2001
Table 9 Suitable Measurement Record Form for Heart Shock
Test Date:
Acid Test Electric Point:
Check Heart Position and Stomach Coordinates| | tt |
Table hopper cover opening and wide test record table
Yangkaidan number
Shan factory number:
Acid test personnel:
Conveyor test| |tt||Mobility call time 5
Test period:
Test pool point:
Stroke mm
Speed mtn's
In the horizontal state, the injection temperature is 50±5℃, and the engine is running at the calibrated speed. The spiral air transport of the hoop feeder is cut back to allow the ball to rotate, and the hot filling mixture with a particle size of 10mm is added. The bonding temperature is 13+5, the base is rotated 1mm, and the forged material discharged from the measuring plate is redistributed. . Record the measured diamond on the table. Note: The hot-paste green body model can be replaced by a simulation material with equivalent density and resistance. Table 11 Conveyor test ride
Prototype model:
Production r
Test personnel:
Time min
Time min
Test date:
Test location:
Zhan Min "
Material color positive quantity ke
Speed I/min
Discharge speed kg/ miz | ℃ ± 3 ℃, the engine runs at the calibrated speed, lower the press, measure the maximum height of the mother wheel and the maximum height of the wheel grab grid point, (see Figure 2), record the measurement results in Table 12 Figure 2 Press saw support ground British Inspection
Table 2 Unedited Local Test Record Table
Trial Phase II:
Factory Construction Specialist:
Inspection Personnel:
Five Root height H
Rear wheel micro-large control with high quality
492 pressure drive line pressure station
Test monitoring location:
Testing operation technique 4.9., Xie Yaji, E Li and Xiaoji studied the results and recorded the results of each test in the table. 13. Install the 13-pressure roller line pressure test record sheet
Test person: ||tt ||Pressure Jade Force KN
4.9.3 Pressing Slope Test
Pressure Pivot Width
Trial H Type:
Test Location
Press The line repulsion kN/m
test record is in accordance with 1.9.1, with a coverage of 1% and a pressure of 1%. The dark surface condition is a flat road surface. Carry out a slope beforehand, with a slope run-up distance of 5m and an actual sprint distance of 10m. The measured results are recorded in Table 14. 4.10 Wine spray test | . If there is any dispute over the results of the wine spray test, 4.10.! |tt||4.10.1 Asphalt wine spray test
JB9727-01
Table 14 Climbing test record table
Test date:
| |tt | 160±5°C, the engine runs at the calibrated speed, start the wine spray system mn, measure the wine spray and record it in 15,
4.10.2 Engine pool spray test
Put a proper amount of hot engine oil in the spray box, run the engine at the calibrated speed, start the spray system for 1m, measure the amount of sprayed oil, and record it in Table 15.
Table 15 Full test record table
Prototype model:
Factory case:
Test personnel:
Spraying time
4.11 Cleaning test
Gram (or engine oil) wet|| tt||Test period:
Order point:
Spraying material:
Spraying amount of asphalt (or engine oil)
Spraying speed
Spraying asphalt (or engine oil)
Atomization
Immediately after spraying, clean the asphalt pipeline, use the cleaning liquid specified in the manual to clean, clean and cool to 25℃=10, and there should be no honey phenomenon when spraying alcohol
4. 12 Gradual heating and heat preservation test
The ambient temperature is 25℃+5℃, the asphalt box is filled with 110℃±5℃ asphalt, and the heating system is filled with fuel. Press the pressure according to the specified value, fill the heat transfer oil with conduction pulses, ignite the burner, and measure the heat transfer temperature and hot water temperature respectively. Measure once every 15m until the temperature reaches [60°C. Record the measured values in Table 16 and draw the temperature rise curve of the wine according to Figure 3. Then cool naturally, measure the temperature of the heat conduction barrier and the asphalt every 15min until the temperature of the wine reaches 110°C + 5%. Record the measured results in Table 16 and draw the temperature rise curve according to Figure 4.
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