This standard specifies the verification technical requirements and verification methods for flat brake test benches. This standard applies to the verification of the brake part of flat brake test benches (hereinafter referred to as brake benches) for motor vehicle safety testing and flat brake single-wheel re-combination test benches. GB/T 11798.9-2001 Verification Technical Conditions for Motor Vehicle Safety Testing Equipment Part 9: Verification Technical Conditions for Flat Brake Test Benches GB/T11798.9-2001 Standard download decompression password: www.bzxz.net

1Cs 43.020:43.180
National Standard of the People's Republic of China
GB/T 11798. 1--11798. 92001
Motor vehicle safety testing equipment
Technical requirements for verification
Molor yehiele safety testing equipmentTechnical requirements of verification2001-04-29Published
The People's Republic of China
State Administration of Quality Supervision, Inspection and Quarantine
2001-12 01 implementation
CE/11798.9—2001
adjusted to G7219 and expanded the scope of use to motor vehicles on Chinese roads 118 to 1—revised
) called the general standard for the determination of technical parts for automobile safety inspection equipment to be changed to motor vehicle special inspection and comprehensive inspection, and expanded the scope of use.
6) G3/T117S8.7GB11798.GB/11798.S= part of this standard is the first part of a series of standards, which is stipulated by this policy. GB Jiang 1178 includes the following parts under the general title of 6 motor vehicle safety inspection equipment verification and rescue parts: Part 1 (GB/T: 1738.12001 side-to-side test of electric vehicles: Part 2 (i.e. G13/T1793-2—2001 rolling Simple reaction brake test chamber verification technical conditions: Part 3 (ie GB/T1.798.32001 Automobile vehicle gas test instrument specification and actual conditions Part 1 (ie G/T1733.4-20C:): Simple vehicle instrument test bench verification general conditions: Part 2 (namely GB/T1738.520C!): Energy paper smoke meter verification technical conditions Part 6 (ie GH/T1793.6-20C), for the treatment of light before the inspection and reduction of the instrument verification technical signature: Part 7 (ie B11798.72 (01). Axle (grab) year instrument setting conditions: Part 8 (ie GBT1-793.3-2007: Motorcycle wheel assembly test technology; shear part (GT11793.92001: Flat brake test bench calibration technical conditions for the standard difficult to prevent the elements in the standard appendix.
This standard: The Ministry of Public Security of the People's Republic of China proposed: This standard is under the jurisdiction of the Ministry of Public Security Traffic Management and Centralization, this standard reform unit: Ministry of Public Security Traffic Science Research Institute in the standard rate plus ratio unit: Wuhan Automobile Testing Equipment Research Institute Foshan Analytical Receiver Factory, air force quasi-military personnel: Zhao Weizhuang, the standard, the industry needs to be fashionable, the research center, the staff of the car, the love harm. This standard is the first release,
1 Fan Yin
National Standard of the People's Republic of China
Technical Conditions for the Verification of Motor Vehicle Safety Testing Equipment Part 9: Technical Conditions for the Verification of Flat Brake Test Benches Molar Vehicle safety retardation Technical requirements and verification Part 9: Technical requirements of verification platform brake tester
This standard specifies the verification technical requirements and verification methods of semi-platform brake test benches: CHT 11798-9---20C1
This standard applies to the verification of the braking part of the flat-type brake test bench (hereinafter referred to as the correction bench) and the flat-plate brake-wheel combination test bench for motor vehicle safety inspection.
2 Referenced standards
The following standards cover the provisions of this standard. They constitute the text of this standard before reference: When the version is marked, the version shown is valid. All standards will be approved by the following standards: All parties using the technical standards should discuss and use the latest version of the following standards: G13/T5587.7—1986 Electronic measuring instruments for vehicle safety inspection 3 Recommendations
The following definitions will be used.
3.1 Flat brake test platformhrakerTeaterOn a stable and actual flat road, let the locomotive travel at a certain speed and implement braking, so as to complete the dynamic measurement of the braking force:
3.2 Fixed load
The load that the brake plate is allowed to bear is the load that the test vehicle can bear. 3.3 Wheel braking when the vehicle is under inspection, the penalty force transmitted between the wheel and the brake plate. 3.4 Absolute velocity of referenceforrirtxThe absolute estimate of the difference between the braking force indications of the left and right brake reports. 4 Technical requirements
4. General requirements for approval
4.1.1 The equipment shall have clear branding, indicating the equipment name, equipment model, expected load, specified or allowed braking force, factory date and factory number.
4.1.2 Each probe and load terminal shall have clear text or symbols on its switch buttons and sockets, and shall comply with relevant standards: The components shall work smoothly without movement or stagnation. Approved by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China on April 29, 200138
Implementation on December 1, 2001
GB/T 1179F.92001
4.1.3 The braking surface shall not have any small corners or evenly measured depressions that may damage the tire. There shall be no obvious deformation or deformation when the load is uneven.
4.1.4 The display instrument shall not have any effective quick depression. 1.1.5 All components of the brake platform should be intact, correctly installed, reliably connected and positioned, and there should be no F-joint in the moving parts. 4.2 Electrical system components
4.2.1 The brake platform should have a protective grounding terminal, which should have a clear grounding mark next to it. The protective grounding terminal should be connected to the protective grounding point through a dedicated yellow-green wire. 4.2.2 The safety of the brake platform's gas system should meet the requirements of the safety instrument of the class 100. The insulation resistance should not be less than 6M. 4.3 The current of the brake core should not exceed m. The difference in the degree of separation should not exceed 100m. 4.4 Error and zero reading error
4.1.1 Zero reading error, no more than 0.2%FS Note: For the selected year "Eo",
4.2 The reading error is not less than 0.2 (F.5)
4.4.5.1 The error of the displayed value shall not exceed 3.25% (F.$> or ±3% for machines or vehicles equipped with printing equipment or computer control or on-board inspection platforms, and the displayed value, printed value or online computer display should meet the requirements of small vertical error. 42 Difference: 0.F3
4.5 The coefficient of the working performance is not low (.75.5 Determination method
5.1 Circulation conditions
5..1 Temperature, 9~4U.
5.2 Relative degree: head
5..3 Power supply 10%
5.1.4 The determination should be carried out in an environment without pollution, pumping, and electromagnetic interference. 5.1.5 Measuring tool 1 tool
Insulation resistance meter, world strength: greater than 100M2 effect: one; payment request: 5 00V, level, standard brick transformer:: level; effect: one; standard measuring instrument, accurate 9. Most: the quantity code is not less than the rated wheel braking force: effect: one: special loading 1 tool effect: one must
said vertical, number record, one set.
Let the point be checked by the mother department and used within the validity period. 5.2 Appearance and stock requirements inspection
Artificial quality production, use in accordance with the current regulations.
5.3 Electrical ticket safety inspection
5.3.1 Artificial quality inspection of the brake platform reverse throw meter heart protection tip and protection tank status 5.3. Insulation resistance monitoring, the power supply of the brake station is newly increased, the power card is turned on, and the line connecting the brake station and the power supply line of the power grid is connected to the chassis and the grounding terminal with an insulated meter to measure the current requirements of 4.2.2. 5.4 Braking point 1. Working surface flatness specification
H level meter is used to measure the surface of the brake medium 1. Working surface, and the flatness and height deviation meet the requirements of 4.3. 59
5.5 Verification of position error and zero drift
FA/T 1'798.9—2001
5.5.As shown in Figure 1, connect the special standard dynamometer to the solid plate, adjust it to the same as the brake plate force measurement (the deflection angle is not greater than :\), and adjust the standard force to ensure that the brake plate is in an improper state. Then apply force in the measuring direction to make the standard dynamometer deviate from the zero position by 30 to 55N. After the force is removed, the zero position value of the instrument is the zero position error. Re-support once, three times of military error closure are all in accordance with the provisions of -4.1, 5.5.2 The zero adjustment of the side platform at no load, record the zero value once every 1li:1, consecutive times, each zero deviation is the quarterly point dart shift should meet the requirements of 4.4.2,
5.6 Determination of the difference between the indication error and the annual right system negative value 5.6.1 According to the short brake brake small full amount caused by 4%, 10%.30.50%.70%.1c5 to predict the test point 5-6-2 load increase test
use special Add loads along the longitudinal axis of the brake plate work surface according to the test points from small to large, record the standard force measurement indication value 2) of each source point and the brake indication value F () of the brake platform, calculate the brake force indication difference (K) of the point, and repeat it once. The arithmetic mean of the calculated values ​​is the indication error of the point, which should meet the requirements of 4.1 and be recorded in Table A2 of the standard table.
In the formula, m
FaLIBI
Pas!x 100%
Big (right brake plate, the first test point of the left (right 1 brake force indication error,: 1.2…6, 1.23; main (right! Brake plate; the first test point of the standard reading force indication, N: left (right) brake plate: the first test point of the brake or plate brake indication. N. 1-special! Efficiency enhancement H: 2-standard bay: 3-the loan added at the beginning and the return 4-joint:: 5-creation; 9-ground need 1| |tt||5-6.3 Load test
After the load increase test: select points to gradually reduce the load from large to small, calculate the indication error of each point during the load reduction test according to method Ⅱ of 3.6.2, and verify that it complies with the provisions of 4.4.1, and record it in Table A. 5.6.4 1F arithmetic calculation of the difference between the left and right brake plate indications (2) Calculate the difference between the left and right brake plate indications according to the estimated difference of 1F, which should comply with the provisions of 4.5.2. 8., = [5.1 8.
Wu Zhong:
The difference between the left and right brake plate indications at the first test point! .
One yuan indication position setting difference:
One brake plate indication error.
FHT 11798.9—2C01
5.7 Determination of the surface coefficient of the brake plate 5.7.1 Select one vehicle to be tested and one towing vehicle to be tested. The tires of the vehicles to be tested are new and light, and the braking performance is good. Each wheel can be dragged when braking. The vehicle to be tested is blocked by the brake plate. The towing vehicle is pulled by the other vehicle. The brake plate of the towing vehicle is locked. 5-7.3 Determine the maximum braking or the maximum braking when the towing vehicle pulls the vehicle to be tested. When the plate frequency is new, the maximum braking force of the vehicle is measured, that is, the maximum braking force of the vehicle is stopped once, and the average value of the maximum braking force is calculated. 5.7.4 Determination of the mass of the vehicle
Measure the mass pressure of the vehicle on the weighing instrument 1. 5.7.5 Calculate the attachment coefficient F
of the convex plate working surface by formula (3) Where: the arithmetic mean value N of the maximum braking force under the scale; then consider, 9.81m/g
5.7.F Record the attachment coefficient of the brake balance report in the user A1. The result should meet the requirements of =, 6 Provisions - 6 Thermal record
The calibration record form is written. The format is limited to Table A1 and Table A251
Equipment name
Inspected equipment model:
Inspected equipment
General requirements
Electrical system
Installation characteristics
1. Working surface
Position error
Original point shift
Attached system
Year error ticket
Net: Core source
GR/T 11796. 9 --2001
Appendix A
"Appendix to the Standard")
Verification Record
Table 41 Test Price Verification Record
" Name of the Test Unit
School Area
Factory Number
Constant Wet Method
Qualification Personnel
Select Production and Carrying Year
Display Income and Expenditure
"Work Station and Period Display Change Book
Military Department Permission
Find the Place to Complete Some Properties
Reverse Wave Electric Group||t t||Ping Gao La
Re-note
Blue car teacher quantity)
According to the regular
According to the inspection question
Yuan makes an error to 1 indication of the time signature
Bad fixed point
Standard network text issuance
B/T-179R.S—2001
Table A2 brake plate inspection record request
Control South receiving position trade diagram
Control edge small indication straight
System Shang standard Li Da Yi Er District
Judgment small indication loan
Indication time systemThe format is limited to Table A1 and Table A251. Equipment name. Equipment model: Inspection base. General requirements. Electrical system. Installation characteristics. 1. Working surface. Position error. Original point displacement. Attached content. Symptom error. Net: Min. source. GR/T 11796. 9 --2001
Appendix A
"Appendix to the Standard")
Verification Record
Table 41 Test Price Verification Record
" Name of the Test Unit
School Area
Factory Number
Constant Wet Method
Qualification Personnel
Select Production and Carrying Year
Display Income and Expenditure
"Work Station and Period Display Change Book
Military Department Permission
Find the Place to Complete Some Properties
Reverse Wave Electric Group||t t||Ping Gao La
Re-note
Blue car teacher quantity)
According to the regular
According to the inspection question
Yuan makes an error to 1 indication of the time signature
Bad fixed point
Standard network text issuance
B/T-179R.S—2001
Table A2 brake plate inspection record request
Control South receiving position trade diagram
Control edge small indication straight
System Shang standard Li Da Yi Er District
Judgment small indication loan
Indication time systemThe format is limited to Table A1 and Table A251. Equipment name. Equipment model: Inspection base. General requirements. Electrical system. Installation characteristics. 1. Working surface. Position error. Original point displacement. Attached content. Symptom error. Net: Min. source. GR/T 11796. 9 --2001
Appendix A
"Appendix to the Standard")
Verification Record
Table 41 Test Price Verification Record
" Name of the Test Unit
School Area
Factory Number
Constant Wet Method
Qualification Personnel
Select Production and Carrying Year
Display Income and Expenditure
"Work Station and Period Display Change Book
Military Department Permission
Find the Place to Complete Some Properties
Reverse Wave Electric Group||t t||Ping Gao La
Re-note
Blue car teacher quantity)
According to the regular
According to the inspection question
Yuan makes an error to 1 indication of the time signature
Bad fixed point
Standard network text issuance
B/T-179R.S—2001
Table A2 brake plate inspection record requestbZxz.net
Control South receiving position trade diagram
Control edge small indication straight
System Shang standard Li Da Yi Er District
Judgment small indication loan
Indication time system
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