Some standard content:
[CN_93.080.30
National Standard of the People's Republic of China
CB/T 4478---1995bZxz.net
Method for testing the performance encc of vibrating rollers
1995-12-20
implemented in 1996-06-01
issued by the State Administration of Technical Supervision
content and applicability to
reference
test
determination of net parameters
driving performance test
vibration test
noise test
smoke emission test
lubricating soft and clean pollution test to eliminate spillage test 11
hydraulic solid pollution rack cleanliness test and oil quality test acid tide test
appearance inspection
gas system inspection
real test
thank you for recording A test operation table supplement)
national standard of the people's republic of china
performance test method of vibrating roller
methad for tesllng the performancenf vll)rating rallers
1 Subject content and applicable scope
This standard specifies the performance test methods for self-propelled, down-type and connected dynamic rollers. 2 Reference standards
G384 Diesel free-flowing smoke density test method GB1123 Test method for solid pollution of spare oil JG/T5U onwards - 2 Vibration positive road machine reduction system gradual inspection regulations JJ37 hydraulic oil sample suppression method
JJ33 microscopic counting method of particle dirt in oil pressure body 3.1 work quality letter
4478-1995
G4478-84
Vibration pressure road (hereinafter referred to as sample expansion> teaching regulations note is the lubrication pool, condensing oil, cold water, natural oil and wine are added to the two-thirds of the box body: The random work includes a driver (65k meter). 3.2 The self-weight of the driver and the driver's body weight. 3.3 The right side, the main direction is the stem, the machine can start to enter the left and run right, the driver can pick up the side and pass the test. 4.1 Technical data of the interception system 4.1.1 Technical performance table of the main technical performance of the bank machine 4.1.2 History table
The pressure record from the time the machine is installed to before the test shall be filled in according to Table A2. 4.2 Data required for the test
4.2.1 The required standards or period for the test
4.2.2 The required specifications for the test
4.3 Test prototype
Approved by the State Technical Supervision Commission on December 2, 1995
1996 06C1 Implementation
GB/T44/81995
Before the test, the machine should be tested and confirmed to be in normal working condition. Then the following tests should be carried out: Idle test: After the engine is running at the appropriate speed, the time should not be less than 10 minutes. Check the idle test of each transmission system: The machine should be able to run smoothly and smoothly: The machine should be able to run smoothly and smoothly: The machine should be able to run smoothly and smoothly: The machine should be able to run smoothly and smoothly. 4.4 Main instruments and parts
4.4.1 The equipment used in the test must be inspected and tested before it can be used effectively. Before the test, all equipment must be inspected and tested to make it in a stable state. Its function should be suitable for the equipment. 4.4.2 For the measurement of the following parameters, the instrument should only take 2.23 of the value of the scale as the special quality: the upper limit of 2: the error is 2% of the value of the simulation: the error is +0.1%; 4.4.3 The instruments and equipment specified in this standard shall be used for the measurement. 4.5 Test site 4.5.1 The test site for static parameters shall be a well-prepared, dry, and densely packed water area. 4.5.2 The braking performance and dust traction test site shall be a clean concrete or water-repellent paved surface with ten strokes. For white-line runways, the road surface shall not be too sloped. 5.3 The test site for small-scale turning and small-scale product shall be a compacted flat concrete surface with a ten-step method. However, measures shall be taken to enable the method to clearly show the required compaction). 5.4 The test site for small-scale turning and small-scale product shall be a compacted flat concrete surface with a ten-step method. For the final monitoring of the slope, the slope is 6000m, the distance between the sample and the auxiliary side is at least 10 meters, the length of each auxiliary side is 1.5 times of the length of the sample, 4.5.5 The test site should be a designated mine site that has been verified by the three-dimensional dangerous points, and the sample is also the center. Within the range of 25m, there shall be no reflective objects (such as emulsions, supports, etc.), the background noise should be lower than the measured noise rate, and the difference should be 11A). 4.5.6 The test site shall be based on the account and planning of the test area and the use of the planned area for avoidance according to the above measures. The length of the test area shall not be less than 12 meters, and there shall be appropriate auxiliary distances in front and behind. The width of the safety guard shall be greater than the width of the safety guard! 5.1 Dimensions # Determination 5.1.7 Test extension system parts Sample resistance Each part shall be noted by the method of degreasing, and the dirt on the ground shall be set: 9.b, sample preparation and distribution of the material address. 6.1.2 The road, the instrument, its GH/1 4478-1995, the wind, the line and the straightness. 5.1.3 Special quick The sample machine is made in the test pool: the outer position of the wheel is the rotation angle as the control diagram 1 and table A are all the original items of the continent, and the source quantity is recorded in table A3. Figure 1
5.2 Self-balance and 1 source K return case
5.2.1 When measuring salt, the engine is in a flat state, the driver moves the engine, and the engine is in a flat state. 5.2.2 Instruments and equipment are required
ground balance
5.2.3 Filtration method
Respectively make Kai in a white record arrangement working quality ratio according to Table A daily measurement and record the person in Table A. 5.3 Determination before measuring the center position
5. 3.1 When the test is completed, start the laser, open the shaping device, and do not allow the pressure to stop. H. Detailed protection method and setting conditions: "For the pressure resistance of the section, the card guard will be positioned on a straight line. 5.3-2 Note the cost of development, device ratio, use in the people, history of establishment, and the selection of run, etc. 5.3.3 is the method. 5.3.3.1 Water numerical standard (see figure) GB/1 4478-1995
Use the data of 5.2 in the calculation and record the result in Table A5. GL
Where: Horizontal distance from the center to the centerline of the front wheel. mm; G wheel distribution quality, kgl
model 'T. quality, kR
upper, rear wheel centerline level mm,
5.3.3.2 Horizontal lock coordinates (sample 2
continental distribution of the east wheel city side left reverse quality, and The distance between the two bearing points (B) and the bearing point to the two sides of the wheel should be equal, about 50mm. For tire-driven road machines, the distance between the two bearing points should be equal to the wheel displacement), calculated using formula (3>, and the results are recorded in Table A5.
The horizontal distance from the center of the wheel to the width of the front wheel is m. The formula is
21 The mass distributed on the right wheel, kg - the mass distributed on the left wheel, kg; R. The distance between the bearing points is .m ns.
5.3.3.3 Vertical coordinates (see Figure 3)
CB/T447B—1995
First, when the fiber-extracting machine is in a horizontal position, the front wheel distribution mass is measured. Then the rear camel pad is lifted off (raised) and the prototype is tilted longitudinally (the material angle is 12°~15\. The front wheel distribution mass G can also be measured by the same method or the front wheel, which is called the rear light weight plate!. Then calculate the potential according to formula 31, and record the test and calculation results in table A5.
A- 4sc-+e(-r2Ra + r.
Where: · Center of gravity ground height change m
Front wheel distribution consideration (prototype low resolution angle is the event, kr1 front wheel distribution mass (angle is the event)
\,-.Front wheel radius.mm.
One and a half rear wheels, m
The degree of inclination of the sample, \)
5.3.4 Australian standard plate up to 1 (suitable for excavator type vibrating machine》5.3.4.: Horizontal standard (see Figure 4)
Make the machine in a horizontal position, respectively measure the distribution of the mass pad G on the contact point, the distribution of the mass pad G on the right side of the vibrating wheel, and the horizontal distance S between the counter-contact point and the center line of the vibrating light axis, and the distance between the two supporting points (the distance from the supporting point to the end face of the vibrating wheel should be equal, the maximum is 50m). According to formulas (4) and (5), the horizontal coordinates and horizontal abscissas of the center of gravity are obtained, and the test ball and the result are recorded in Table A 6, GB/T4478-1995
In the formula; - the distance between the center of mass and the center of the wheel, m! - the mass distribution at the connection point when the prototype is placed horizontally. gS - when the prototype is placed horizontally, the horizontal distance between the connection point and the axis of the vibration wheel is mn(-)
y-2ey++0)
In the formula: - the distance from the width of the vibration wheel to the vertical half of the water mr; 5.3.4.2 The coordinates of the required traction connection are the number of test positions (see Figure 4)
The distribution of the connection points is based on the connection formula (7), and the test is recorded in Table A. GA +
-Gh·S·
One year heart evaluation ground business degree. West m
, - the mass mother of the connection point to be installed when the value code is lowered,: G
-the distribution mass plate on the connection point when the position is lifted, kg: +
rate of the connection part in the lower position through the connection point and the horizontal distance between the moving wheel shaft: the connection is placed in the folding position with the connection point and the horizontal distance between the moving test line, the radius of the movement age: mm,
5.4 Line finding and determination
According to the measurement results of Article 5.2 and the width of the front wheel, the formula [8) is used to calculate the number of sections and the cumulative number of sections is entered into Table A7, =
Formula E: P-. Front light line is lower. Nal
G/r4478.-1595
=! 8/
3 Front wheel width
E: p--- Rear light line is lower than Nm
N- Rear wheel width em,
5.5 Change the test effectiveness of the operation of the small test
5.5.1 Determine the system
: change the machine door to the largest real fast
protection at the largest state
consideration of the manufacture, in the blocking place can not be carried out
the cost of the monitoring equipment
the way out of the comparative force extension device: step cabinet to the design, etc., 5.5.3 Health content
determination of the platform pin, the real device, the independent learning of the number of broken structure required force and the total Move to the distance (or time connection! Through the real power of the world and the real effect. h.
5.5.4 Xie determined 5 method
55: the work of micro-purchase design was downwind protection car handle under the shadow position average pool control point measurement stock data reading collection permission: person table A
5.5.42 steering wheel batch work force demarcation sense heat force inquiry standard to monitor the grid tons (between salt center stock large string diameter) method side time pull to ask the integration of this room number
56 Xie started to expand the time plate rotation number
5. 6. 1 Determination of the system work
development of the new machine door at the site of the large assembly production:
6: clean place down without time driving, can not afford to worry about the state. 5.6.2 Hong
rotation for the steering wheel, the topic of directional theory with a creative photography industry position ratio rotation number then the limit can be matched to the whole rotation teaching. 5.7 Listening and determination
5.1 Creation and attention
Management and business
5. 7. 2 Gathering,!
Creation and supervision of the people, large skin, standard energy, etc.
5.7.3 The selection of the test site for the test machine: the test person can control the seat, the shopping mall business: the steering wheel ball is straight, the person in charge of the equipment can stop the wheel effectively, the ground or the upper and lower points are connected to the road [
Baidu center grab: teaching ratio to
E test performance test
6.1.1 Test system standard
Engine gas has no trace of large lower
GB/T4478
h: Engine door has a large supply position: 1995
c. 1. The test section shall include the roads specified in 4.5.2. The selected test section shall be 59 km/h (maximum speed of the engine is greater than or equal to 20 km/h) or the front height of the engine is less than 2 km/h (two-way power transmission equipment shall be installed): the engine shall be capable of carrying out the engine's continuous operation.
6.1.2 Main instruments and tools
1. The first is the starter instrument (stopwatch, benchmark), wind meter, needle meter, tape measure, etc. 6.1.3 Methods
6.1.3.1 When the oil level is reached, the engine speed shall reach the specified speed. 6.1.3.2 Choose a test road that does not change and wait for the speed to stabilize. Determine the time and distance of the test road. The round trips are required. Take the average speed and the distance between the two blocks. 6.1.3.3 Formula (1 speed,
Where; \-.- speed.km/1;
departure, K
- time to catch up with the height.5
6.2 Braking performance test
6.2.1 Test conditions
a. The test piece is the same as in 6.1.1!
b. The reverse speed is specified: the departure speed of the moving vehicle is used as the braking performance. 6.2.2 Instruments and equipment
Return 6. 1.3 Article
6.2.3 Test method for flat ground driving
6-2.3.1 The prototype shall not be tested according to the provisions of the test stage: the brake degree shall be determined. The French 6.-3 kill, 6.2.3.2 Determine the speed difference limit to the initial speed within the range of 10 light of the specified initial speed. (5
6.2.3.3 After the initial braking degree is released, the total control is: the brake signal is the time between the brake lever being disassembled and the signal being sent out and the distance between the stop position and the brake is not released, and the brake is weak. The test is performed twice in Table 8 11: The brake is weak and needs to be withdrawn, and the translation value is taken. And the brake start is selected according to the formula (!), ||tt| | In the formula: L,
braking distance quotient of the repair piece, m
L, - measured braking distance, FE
- specified speed: am/h
measured driving speed, km/h.
6.2.3.4 Charge formula (2), [) negative fuel efficiency and braking efficiency, record in Table A12. 25.DF
In the formula, the average annual speed m/; braking efficiency,
6.2.4 Parking brake test method on the road
detailed expansion in the verification of the 20-door lane change, respectively send the upper and lower parking brake, brake stability, engine consideration, potential G0/T 4478---1995
The probe belt of the non-contacting control device is used. The foot pedal is used. The brake wheel and the ground assist point are marked. The continuous observation is 1. The rotation degree of the control wheel is determined and recorded in Table A3.
6.3 Climbing performance test
6.3.1 Climbing performance conditions
The weather is rainless. The engine door is equipped with a large oil level network. The test site meets the requirements of 4.5. Scheme:
No gear shifting during operation
6. 3.2 Test conditions
The lowest gear speed does not allow the machine to move forward on a slope, and
The lowest gear speed does not allow the machine to move backward on a slope.
6.3.3 Test method
63.4.1 The machine stops at the bottom of the slope, and the machine should start to run smoothly or the machine should start to run smoothly. The time and distance of the machine passing the test section should be determined and recorded in Table A11
6.3.4.2 Calculate the power of the slope according to formula (11). Where N is the root of the slope, w
is the climbing distance:
NE.g.sine
is the time required to pass the distance,
a is the angle of apex, <\,
6.3.4.3 If you cannot get up halfway: fill in the reason in the remarks. If there is enough power and the wheels do not slip, climb the slope in reverse gear in high gear. The maximum speed is calculated according to the formula (15): 3.61..
Reported maximum speed, km/h
Actual climbing distance, m;
Time required for passing the distance
64 Determination of the centerline diameter
E.4., Test conditions
Test site, etc. in accordance with Article 4.6.8:
6.4.2 Test method
The prototype does not vibrate, the steering wheel is restrained and kept stationary, and it drives steadily at a low speed. When the prototype stops on the ground in a closed medicine box-shaped track, the maximum diameter of each track is measured at two evenly distributed positions, and the average value is taken as the minimum turning diameter D of the prototype (see Figure (). At this time, the normal horizontal distance from the outer point of the body of the prototype to the outermost line of the new track is measured. The distance is twice the minimum turning diameter, which is the small turning diameter of the outer wheel of the machine. When moving forward and backward, turn left and right respectively, and record the table A15.6.5 Determination of the turbulent force of the large vehicle
TR/T4478--1995
: Determine the maximum value of the sample, determine the dynamic performance of the sample, 6.5.1 Test conditions
Same as -. 5. 2.
6.5.2 Instruments, cover
dynamic change instrument, light request retreat, force sensor, negative vehicle, etc. 6.5.3 or test method
65.3.1 The rate of the single machine and the negative core vehicle installed shall be the same, absolutely consistent (. Road
55.3. Full details of the machine 1 you quality world characteristics to the machine door good people low delivery to the low speed information request detailed drag before the test run to collect information also through the avoidance of the vehicle's violation and confirmed the new vehicle return to the old still, the use of flat I into the connection, the real drive wheel light gold hit the tour, the drive range of the slip state forget the leaf, the internal rate called non-uniform straight as the joint rate of gravity, the test full degree in the retreat performance record person A north. 5 points of the information collection rate method
: - a push hang adhesion coefficient;
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