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Engineering Construction Standard Full Text Information System
People's Republic of China Urban Construction Industry Standard CJ/T127—2000
Compression refuse collector
2000-12-29 Issued
2001-06-01 Implementation
Ministry of Construction of the People's Republic of China
Engineering Construction Standard Full Text Information System
Engineering Construction Standard Full Text Information System
CJ/T127—2000
This standard mainly includes the technical requirements, test methods and inspection rules of compression garbage trucks. In the process of formulating the standard, the advanced technology of foreign products was referred to, and at the same time, it was coordinated with the current relevant standards and the requirements for special functions were refined. This standard was proposed by the Standard and Quota Research Institute of the Ministry of Construction. This standard is under the jurisdiction of the Beijing Construction Machinery Comprehensive Research Institute, the Ministry of Construction's machinery equipment and vehicle standard technology unit.
This standard was drafted by Beijing Hualin Special Vehicle Co., Ltd. The main drafter of this standard is Li Junhua.
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Standard of Urban Construction Industry of the People's Republic of China Compression refuse collector
Compression refuse collector1 Scope
CJ/T127—2000
This standard specifies the definition, product model, technical requirements, test methods, inspection rules and signs of compression refuse collector.
This standard applies to compression refuse collector (hereinafter referred to as garbage collector). 2 Referenced Standards
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard is published, the versions shown are valid. All standards will be revised, and the parties using this standard should explore the possibility of using the latest versions of the following standards. GB/T1496—1979
GB/T3766-1983
GB/T3845-1993
GB/T3846—1993
GB3847—1999
GB4785—1998
Methods for measuring noise from motor vehicles
General technical requirements for hydraulic systems (negISO4413:1979)||t t||Measurement of exhaust pollutants from gasoline vehicles Rapid method Measurement of free acceleration smoke density from diesel vehicles Filter paper smoke density method
Limits and test methods for visible pollutants from exhaust from compression ignition engines and vehicles equipped with compression ignition engines Installation regulations for external lighting and signal devices for automobiles and trailers Ministry of Construction of the People's Republic of China 2000-12-29 Engineering Construction Standards Full Text Information System
2001-06-01 Implementation
Engineering Construction Standards Full Text Information System Information system
Technical conditions for motor vehicle operation safety
GB7258—1997
GB/T9417—1988
GB/T12534—1990
GB/T12536—1990
GB/T12538—1990
GB/T12539—1990
GB/T125401990| |tt||GB/T12543—1990
GB/T12544—1990
GB/T12545—1990
GB/T12547—1990
GB/T12673—1990
GB/T12674—1990
GB/T12678—1990
Rules for the compilation of automobile product models (n eqISo3779:1983)
General rules for road test methods for automobiles
Test methods for coasting of automobiles
Methods for determining the height of the center of gravity of automobiles
Test methods for climbing steep slopes for automobiles
Methods for determining the minimum turning diameter of automobiles
Test methods for acceleration performance of automobiles
Test methods for maximum speed of automobiles
Test methods for fuel consumption of automobiles
Test methods for minimum stable speed of automobiles
Methods for measuring the main dimensions of automobiles
Methods for determining the mass (weight) parameters of automobiles
Methods for reliability driving test of automobiles
GBI4761—1999
Limits and test methods for emission pollutants from automobilesGB/T17350—1998
QC/T34-1992
Terms and codes for special-purpose automobiles and special-purpose semi-trailersFailure modes and classification of automobiles Category
QC/T252—1998
Special purpose vehicle finalization test procedures
QC/T29104—1992
Special purpose vehicle hydraulic system hydraulic oil solid contamination limit
QC/T29105.2—1992 Special purpose vehicle hydraulic system hydraulic oil solid contamination test method device and device cleaning
QC/T29105.3—1992||tt| |Test method for solid contamination of hydraulic oil in hydraulic system of special automobile Sampling
QC/T29105.4—1992
Test method for solid contamination of hydraulic oil in hydraulic system of special automobile Microscope particle counting method
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3 Definitions
This standard adopts the following definitions.
3.1 Compression refuse collector Compression refuse collector A special garbage truck with the function of loading, compressing and unloading garbage by itself. 3.2
Compression unit compression unit
A device for loading and compressing garbage into the compartment. Dumping device dumping device
A device for unloading garbage from the compartment to the outside of the vehicle. Lifter
A device for lifting garbage into the feeding port of the garbage compartment. Product Model
4.1 Product Name and Model
The product name and model shall comply with the provisions of GB/T9417 and GB/T17350. The model consists of the enterprise name code, vehicle category code, main parameter code, product serial number, structural feature code, application feature code and enterprise self-defined code. The mark is as follows: O
Marking example
Enterprise self-defined code
Purpose characteristic code: IS-Compression type garbage truck Structural characteristic code B-1 Special dump truck Product serial number: 0, 1, 2, 3, ...
Main parameter code: Total vehicle mass
Vehicle category number: 5-Special purpose vehicle
Enterprise name code
The first generation of compression garbage truck HLT5060ZYSPDCJ/T1273 with a full load total mass of 6t and a chassis of Dongfeng flat head chassis produced by Beijing Hualin Special Vehicle Co., Ltd.
Engineering Construction Standard Full Text Information System
Engineering Construction Standard Full Text Information System
5 Technical requirements
5.1 Complete vehicle
5.1.1 Garbage trucks should be manufactured according to the drawings and technical documents approved in the prescribed procedures. 5.1.2 The chassis of the automobile used for modification must have a product quality certificate. 5.1.3 All purchased parts should have a product quality certificate from the manufacturer and can only be assembled after inspection.
5.1.4 Parts and assemblies should only be assembled after passing the inspection. All outsourced parts should have an inspection certificate from the outsourced factory and can only be assembled after passing the inspection. 5.1.5 The total mass and full-load axle load of the garbage truck should meet the parameter requirements of its finalized chassis, and the steering axle (wheel) load and roll stability angle should meet the requirements of GB7258. 5.1.6 The rear overhang of the garbage truck should meet the requirements of GB7258. 5.1.7 The power performance and sliding performance of the garbage truck should maintain the requirements of the original automobile chassis, its engine should work normally, and the steering operation should be flexible and reliable. 5.1.8 The outer dimensions of the garbage truck should meet the requirements of GB7258. 5.1.9 The lighting and signal systems should meet the requirements of GB4785 and GB7258. The weld should be even and straight, without leakage, cracks, slag inclusions, pores, undercuts, spatter, 5.1.10
weld penetration and other phenomena. There should be no flash or sand inclusion on the casting surface. 5.1.11
1 All exposed ferrous metal surfaces should be treated for rust prevention. Galvanizing, plastic spraying and painting should adhere firmly. The paint film should be smooth and flat, without flow marks, bubbling, wrinkling, cracks and obvious brush marks.
Garbage trucks should not leak oil, water or air. 5.1.13
Accessibility of operation and maintenance parts and sufficient operation space should be ensured. Various movable joints and friction surfaces of garbage trucks should be equipped with grease cups and grease should be added according to regulations.
The structure should ensure that garbage trucks do not spill garbage and sewage outflow during transportation.
Garbage trucks with multiple people working together should be equipped with signal devices. There should be intuitive signs at the buttons of the operating handle.
7 The emission, noise level and braking performance of garbage trucks should comply with the regulations of GB7258. 5.1.17
3 Garbage trucks should be able to work normally on slopes with a longitudinal slope of no more than 12%. 5.1.18
5.2 Carriage
5.2.1 The surface of the carriage shall be smooth and flat, without obvious hammer marks. 5.2.2 The carriage shall have sufficient strength and rigidity to ensure that no permanent deformation occurs during the garbage compression and unloading operations.
5.2.3 The connection between the carriage and the chassis must be firm and reliable, and the carriage and the chassis shall not move relative to each other during the driving of the garbage truck.
5.3 Compression device
5.3.1 The components of the compression device shall have sufficient strength and rigidity, no permanent deformation occurs during the garbage compression process, and the movement shall be smooth. 5.3.2 The working cycle time of the compression device during garbage compression shall not exceed 30s.
5.4 Unloading door
The unloading door and the carriage shall be firmly fixed, and the joint shall be equipped with a sealing device. The garbage truck shall not jump, open automatically, or spill garbage during driving. 5.5 Unloading device
5.5.1 The unloading device shall ensure that the garbage in the carriage is completely unloaded. 5.5.2 When the push plate in the carriage is used for unloading, the time from the push plate action to the completion of unloading shall not exceed 30s for garbage trucks with a volume less than 12m2; and shall not exceed 45s for garbage trucks with a volume greater than or equal to 12m2.
5.5.3 When lifting unloading is used, the unloading angle shall not be less than 45, and the time for one working cycle of lifting unloading shall not exceed 50s.
5.5.4 The push plate shall ensure stability when moving in the carriage guide rail, and shall not cause jamming and stagnation.
5.6 Lifting device
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Engineering Construction Standard Full-text Information System
5.6.1 The lifting device can be used in conjunction with garbage bins and barrels. 5.6.2 The lifting device should ensure that the matching garbage bins and barrels are firmly and reliably loaded, and the movement should be smooth. The garbage bins and barrels should be correctly positioned and not damaged, and the garbage in the bins and barrels should be dumped cleanly at one time.
5.6.3 The lifting device should ensure normal operation under the designed load. 5.6.4 The lifting device should ensure that the load stops at any working position. When fully loaded, it stays in the middle position of the lifting process for 5 minutes, and the extension (or retraction) of the lifting hydraulic cylinder is not more than 10mm.
5.6.5 The lifting device should ensure continuous completion of loading operations, and each working cycle time is not more than 20s.
5.7 Power take-off device
The power take-off device of the garbage truck should be equipped with a clutch. The clutch works smoothly and reliably and can meet the working requirements. It is easy to operate and has intuitive signs. 5.8 Speed regulating mechanism
5.8.1 The speed regulating mechanism should ensure that the engine speed of the garbage truck can automatically meet the requirements when the garbage truck is loading and unloading garbage, and ensure that the hydraulic system can work normally. 5.8.2 The speed regulating mechanism shall ensure the normal running of the vehicle. 5.9 Hydraulic system
5.9.1 The installation of the hydraulic system shall comply with the provisions of GB/T3766. 5.9.2 The hydraulic system shall be equipped with a safety valve, and its adjustment pressure shall be 110% of the maximum working pressure of the system.
5.9.3 The hydraulic pipelines shall be arranged neatly, beautifully, and firmly clamped. 5.9.4 The hydraulic system shall ensure the requirements for heat dissipation, and the oil temperature in the oil tank shall not exceed 70°C. 5.9.5 The selection of hydraulic oil shall meet the working requirements of the system. The solid contamination degree of hydraulic oil of the garbage truck shall comply with the provisions of QC/T29104 when it leaves the factory. 5.10 Electrical and gas system
The pipeline layout of the electrical and gas system shall be reasonable, neat, beautiful, and firmly clamped, and friction and interference with moving parts are not allowed. 6
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5.11 Reliability
Garbage trucks should be tested for driving reliability and special device operation reliability. The special device operation reliability requirements are shown in Table 1. Table 1 Special device operation reliability requirements
Special device
Operation reliability
6 Test method
6.1 Test preparation
Compression device
Unloading device
Unloading door opening
Lifting device
Number of tests
>3.000 times
≥400 times
≥400 times
≥12000 times
Average failure-free times
>1500 times
≥200 times
>200 times
>5000 times
Reliability
6.1.1 The test sample vehicle has a complete structure, complete equipment and meets the requirements of the product drawings. 6.1.2 The number of test sample vehicles is 1.
Submission of technical documents
The manufacturer shall provide the following technical documents: a) Product design assignment and technical conditions; b) Product instruction manual and chassis instruction manual. 6.2 Test conditions
6.2.1 The test sample vehicle must be run-in before testing. The running-in mileage and maintenance shall be carried out in accordance with the provisions of the chassis instruction manual.
6.2.2 The test conditions of each test item shall meet the requirements of GB/T12534. 6.3 Appearance quality inspection
Inspect according to items 5.1.10, 5.1.11, 5.1.12, 5.1.16, 5.9.3, and 5.10.
Technical parameter measurement
Perform in accordance with the provisions of GB/T12673.
6.4.1 Determination of the outer dimensions of garbage trucks
6.4.2 Determination of the volume of the compartment
a) For garbage trucks that use push plates to unload materials, the volume is calculated based on the maximum volume of the compartment cavity in front of the push plates.
Engineering Construction Standard Full Text Information System
Engineering Construction Standard Full Text Information System
b) For garbage trucks that use lifting to unload materials, the volume is calculated based on the actual volume of the compartment cavity. 6.4.3
The determination of mass parameters shall be carried out in accordance with the provisions of GB/T12674. The determination of the center of gravity height
The determination of the minimum turning diameter shall be carried out in accordance with the provisions of GB/T12540. 6.4.5
6.5 Determination of driving performance and economy
The braking performance test shall be carried out in accordance with the provisions of GB7258. 6.5.1
The maximum speed test shall be carried out in accordance with GB/T12544. 6.5.3
The steep slope climbing test shall be carried out in accordance with GB/T12539. The acceleration performance test shall be carried out in accordance with GB/T12543. 6.5.4
The coasting test shall be carried out in accordance with GB/T12536. The minimum stable speed test shall be carried out in accordance with GB/T12547. 6.5.6
The test shall be carried out in accordance with GB/T12545.
Fuel consumption test
6.6The determination of automobile emissions
shall be carried out in accordance with GB/T3845, GB/T3846, GB3847 and GB14761. 6.7Noise detection
shall be carried out in accordance with GB/T1496.
Special device performance test
6.8.1 Inspection of compression device, unloading device and lifting devicea) Carry out no-load test 5 times. Observe whether the action is smooth and whether there is any abnormal sound;b) Use a stopwatch to measure the working cycle time, measure 3 times and take the average value;c) When the lifting device runs to the middle position with full load, it stays for 5 minutes and observes the change in the extension of the hydraulic cylinder piston rod;
d) After loading and unloading, observe the amount of garbage remaining in the garbage bin, barrel and compartment.
Slope operation test
The garbage truck is nearly fully loaded and loads and unloads on a solid longitudinal slope of 12%. Observe whether the tires are off the ground or slipping (appropriate safety protection measures should be adopted when doing this test).
6.8.3 Sealing test
Close the discharge door, inject clean water into the compartment, the water surface is 30mm above the bottom, stay for 5 minutes, and observe whether there is leakage around the bottom of the compartment and between the compartment and the discharge door. For garbage trucks equipped with sewage tanks, the sewage discharge gate should be closed, and the sewage tank should be filled with water to observe the sealing effect. bzxZ.net
6.8.4 Hydraulic oil contamination test
Perform according to the provisions of QC/T29105.2~29105.4. 6.8.5 Speed regulating mechanism test
Observe the engine speed during loading, unloading and compression operations. 6.8.6 Hydraulic system pressure and oil temperature detection
a) Use a pressure gauge to test the pressure of the hydraulic system; b) After the hydraulic system has been working for 30 minutes, measure the temperature in the oil tank. 6.9 Reliability test
6.9.1 Driving reliability test
Perform in accordance with GB/T12678. The test mileage is 5000km, the average trouble-free mileage is 1000km, the mileage distribution of roads is in accordance with QC/T252; the faults and classifications are in accordance with QC/T34.
6.9.2 Special device operation reliability test
6.9.2.1 Test content
The compression device, unloading device, lifting device, and unloading door opening reliability test should be carried out on a flat and solid site:
a) First, complete the full process of each device twice under no-load conditions. Observe whether the operation of each device is stable and normal.
b) Test the operation of each device under full load conditions. Observe whether the operation of each device is stable and normal. The load should be garbage or simulated load. 6.9.2.2 Data processing
a) The actual test time is calculated according to formula (1): ZKt
Where: T is the actual test time, h;
000000000
K is the number of tests, times. K is the number of compression device tests, K=3000; K is the number of unloading device tests, K-400: K is the number of unloading door opening tests, K=400: K is the number of lifting device tests, K=120009
Engineering Construction Standard Full-text Information System
Engineering Construction Standard Full-text Information System
-The time for each operation of the mechanism, S.
b) Reliability is calculated according to formula (2):
R=T,+T
Where: R-
Reliability:
-The total time to repair the fault, h (excluding maintenance time). (2)
c) The equivalent number of failures refers to the sum of the number of each type of failure weighted by the hazard coefficient. The equivalent number of failures is calculated according to formula (3):
（3）
Where: n—equivalent number of failures;
-number of third type of failures;
e,—hazard coefficient of the jth type of failure. &=oo, &=3, e=1, 8=0.1.
When n<1, it is not necessary to calculate the average number of trouble-free operations, but it is necessary to list the actual types and times of failures that have occurred.
d) The average number of trouble-free operations of each mechanism is calculated according to formula (4): MNBF
Where: MNBF-
Average number of trouble-free operations.
e) See Table 2 for fault classification.
6.9.2.3 Fault statistics principles
a) Faults occurring simultaneously in the same mechanism are only considered as one fault. The fault category is determined by the severity;
b) Another fault of the same component occurring during troubleshooting is considered as one fault together with the fault being troubleshooted and is not counted separately. The fault category is determined by the severity;
c) Faults occurring due to accidents are not treated as garbage truck faults and should be recorded in detail;
d) Faults that can be eliminated without stopping the vehicle or with a little treatment within the test time are not treated as faults.
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