Some standard content:
Machinery Industry Standard of the People's Republic of China
JB/T 730394
Technical Conditions for Road Sweepers
Published on July 18, 1994
Ministry of Machinery Industry of the People's Republic of China
Implementation on July 1, 1995
Mechanical Industry Standard of the People's Republic of China
Road Sweepers
1 Subject Content and Scope of Application
Technical Conditions
JB/T 7303-94
This standard specifies the terminology, technical requirements, inspection regulations, product marking, packaging, transportation and storage of road sweepers. This standard applies to pure sweeping, pure suction and suction sweeping road sweepers that use a standardized automobile chassis or a self-designed special chassis. 2 Referenced Standards
GB1495
GB1589
GB3766
GB 3843
GB4785
GB7258
JB3352
JB/T5943
JB/T5946
JB/T7304
3 Terminology
3.1 Road sweeper
Permissible noise of motor vehicles
Dimension limits of vehicle outer corridor
General technical conditions for hydraulic system
Free acceleration smoke emission standard for diesel vehicles
Vehicle Number, position and light color of external lighting and signal devices of vehicles and trailers Technical conditions for motor vehicle operation safety
Test method for fuel consumption of cargo trucks
General technical conditions for welded parts of construction machinery
General technical conditions for painting of construction machinery
Test method for road sweepers
3.1.1 Suction-sweeping road sweeper
A road sweeper that uses a combination of mechanical sweeping and vacuum pneumatic conveying equipment to remove, collect and transport garbage, dust and other dirt on the road.
3.1.2 Pure sweeping road sweeper
A road sweeper that relies solely on sweepers and garbage bins to remove, collect and transport garbage, dust and other dirt on the road. 3.1.3 Pure suction road sweeper
A road sweeper that relies solely on vacuum pneumatic conveying equipment to remove, collect and transport garbage, dust and other dirt on the road. 3.2 Performance parameters
3.2.1 Cleaning width
When the road sweeper is removing and collecting dirt and garbage on the road, the maximum effective working surface width that can be continuously and stably achieved in one operation within the entire calibrated cleaning speed range. 3.2.2 Cleaning speed
When the road sweeper is operating at the specified cleaning width, the cleaning efficiency can reach the driving speed range specified in the product technology. 3.2.3 Cleaning efficiency
The ratio of the weight of dirt and garbage on the road removed by the road sweeper under the test conditions specified in JB/T7304 to the weight of dirt and garbage on the road before the operation, expressed as a percentage. Approved by the Ministry of Machinery Industry on July 18, 1994
Implemented on July 1, 1995
3.2.4 Cleaning capacity
JB/T7303-94
When a road sweeper is performing cleaning operations, the maximum operating area that can be completed per unit time under the premise of achieving the specified cleaning efficiency is equal to the product of the maximum cleaning speed and the cleaning width. 3.2.5 Rated loading weight
The nominal value of the maximum weight of garbage, dust and other dirt that can be transported to ensure that the road sweeper can work reliably. 3.2.6 Effective volume of garbage container
The maximum loading volume that the garbage container can reach when the road sweeper is performing normal operations. 3.2.7 Maximum suction particle size
The equivalent diameter value of the largest volume particle sucked into the garbage container measured by a pure suction or suction-sweeping road sweeper under the test conditions specified in JB/T7304. That is, the maximum particle measured is converted into the diameter of a sphere with equivalent volume. The specified measured particles are gravel or bricks with a density of 1.5~2g/cm.
4 Technical requirements
4.1 Road sweepers shall comply with the provisions of this standard and be manufactured in accordance with the drawings and technical documents approved by the prescribed procedures. 4.2 The total weight of a road sweeper with a standardized automobile chassis shall not exceed the total weight of the original automobile chassis, and the full-load axle load distribution and center of gravity height shall comply with the technical conditions of the original automobile chassis. Otherwise, the chassis should be improved and the longitudinal and driving stability of the road sweeper should be calculated to see whether they can meet the use requirements. 4.3 Raw materials should be marked and certified, and sampling and re-inspection should be carried out before use. They can only be used after confirmation of compliance. 4.4 Purchased parts should have a certificate of compliance, and sampling and re-inspection should be carried out by the quality inspection department of the road sweeper manufacturer before use. They can only be assembled and used after confirmation of compliance.
4.5 The dimensions of the vehicle's exterior corridor shall comply with the provisions of GB1589. 4.6 Appearance requirements
4.6.1 The surface of the exposed sheet metal parts of the vehicle shall be flat and free of obvious hammer marks. 4.6.2 The paint coating shall comply with the provisions of JB/T5946. 4.6.3 The welded parts shall comply with the provisions of JB/T5943. There shall be no flash or sand on the surface of the castings. All exposed black metal parts and purple parts shall be rust-proofed. The connecting parts and the surrounding parts shall be connected reliably and shall not be loose. The pipelines such as gas, oil, water, and electric circuits shall be firmly clamped, and friction interference between the pipelines and moving parts is not allowed. 4.7 The fuel consumption shall comply with the provisions of JB3352. 4.8 The smoke exhaust degree shall comply with the provisions of GB3843. 4.9 The lighting signals shall comply with the provisions of GB4785. 4.10 The braking performance of the road sweeper shall comply with the provisions of GB7258. The noise outside the road sweeper during acceleration shall comply with the provisions of GB1495, and the noise outside the sweeping operation shall not exceed 88dB (A). 4.11
4.12 The lifting and lowering of the garbage container shall be smooth, and no movement, collision or jamming shall occur, and the garbage shall be emptied completely. 4.13 The garbage container shall not leak sewage or garbage when the road sweeper is in operation. 4.14 Hydraulic system requirements
The layout of the hydraulic system pipeline shall comply with the provisions of GB3766. The cleanliness index (impurity content) of the hydraulic oil of the road sweeper when it leaves the factory shall not exceed 19/16 (particle counting method). The sealing performance test of the hydraulic pipeline shall be carried out at 1.5 times the rated working pressure for 3 minutes. No leakage, local expansion of the pipeline or loose joints are allowed.
4.14.4 The sealing performance test of the hydraulic oil tank shall be carried out under 150kPa air pressure, and there shall be no seepage. 4.15 The minimum ground clearance of the rigid part of the road sweeper shall not be less than 100mm when in transport condition. 4.16 The road sweeper shall be tested according to JB/T7304, and the cleaning efficiency shall comply with the provisions of Table 1 within the entire calibrated cleaning speed range. 2
Cleaning efficiency
JB/T7303-94
Pure sweeping type
Suction sweeping type
Pure suction type
4.17 The maximum suction particle size (equivalent diameter) of pure suction and suction sweeping sweepers shall not be less than 25mm, and the maximum air flow velocity at the suction port during operation shall not be less than 25m/s.
4.18 On naturally polluted roads, the average dust concentration discharged from the outlet of the dust suction system of pure suction and suction sweeping road sweepers should not exceed 60mg/m\.
4.19 The reliability of road sweepers should meet the following requirements: the sweeping operation should not be less than 500h, the effectiveness should not be less than 80%, a.
The mean time between failures (MTBF) should not be less than 100h. b.
4.20 After the road sweeper is put into use, the first maximum life (80%) working hours should not be less than 4000h. 4.21 The disc-shaped or swivel-shaped sweeping brush of pure sweeping and suction sweeping road sweepers should be able to remove dirt and dust on the road surface without damaging the working road surface.
4.22 The fan or other exhaust device of pure sweeping and suction sweeping road sweepers should be able to operate continuously at the rated speed without abnormal vibration. 4.23 The power take-off mechanism of the fan or other air extraction device of the pure sweeping and suction sweeping road sweepers shall be equipped with a clutch device, which is easy to shift into gear and reliable in positioning. There shall be no automatic shifting out of gear or stuck in gear. 4.24 When the garbage and other dirt in the garbage container reaches the rated capacity (or rated weight), there shall be a device for timely alarm, and the alarm device shall be sensitive and reliable.
4.25 The garbage container shall meet the following requirements; The weld seam of the garbage container shall be flat and uniform, without defects such as cracks, slag inclusions, pores, undercuts, and incomplete penetration: a.
b. The surface of the garbage container shall be flat without obvious unevenness; c. The inner surface of the garbage container shall be treated with anti-corrosion. 5 Inspection rules
5.1 Factory inspection
5.1.1 Each product shall be inspected before delivery. It can only be delivered after passing the inspection of the quality inspection department and signing the product certificate. Users can also conduct factory inspection according to this standard (the contents of factory inspection are shown in Table 2). 5.1.2 During the factory inspection, as long as one indicator fails to meet the requirements, the product is considered unqualified. 5.2 Type inspection
5.2.1 Type inspection should be carried out in any of the following situations: New product finalization appraisal or product performance affected by changes in product design, process, or materials: a.
Products that have been finalized are transferred to the factory for production or are produced again after being discontinued for two years: b.
c. Products in normal production are subject to periodic inspection every two years; when the national quality supervision agency proposes a type inspection requirement. d.
5.2.2 Sampling method for type inspection
In type inspection, the two situations of 5.2.1a and b belong to identification inspection, and a single batch of trial-produced prototypes shall be randomly selected for inspection. 5.2.2. 1
5.2.2.2In type inspection, 5.2.1c belongs to quality consistency inspection, and the products shall be inspected periodically. The base number of road sweepers sampled shall be 20% of the average monthly output of the annual plan of the manufacturer, but shall not be less than 3 vehicles. The sampled products shall be products produced within the past year and accepted by the factory quality inspection department. 5.2.2.3When the national quality supervision agency puts forward type inspection requirements, sampling inspection shall be carried out according to its inspection rules. 5.2.3In type inspection, if one item fails, double sampling shall be carried out from the batch of products, and the item shall be retested. If it still fails. 3
, the product shall be unqualified.
Inspection items and contents shall be in accordance with the provisions of Table 2.
Inspection items
Appearance quality inspection
Determination of main structural parameters
Driving performance test
Cleanup performance test
Unloading test
Noise test
Hydraulic contamination test
Fuel slip test
Determination of air pollution index
Operability test
JB/T 730394
Inspection content
Complete machine shape, surface of external sheet metal parts is smooth and without pits + paint quality, welding quality, geometric parameters of gas circuit, oil circuit and circuit layout (including overall dimensions, volume and minimum ground clearance of the whole machine)
Quality parameters (including axle load distribution)
Center of gravity position
Minimum turning radius
Minimum stable speed
Maximum speed (or speed of each gear)
Acceleration performance
Clearing performance
Maximum traction
Target slope performancebzxZ.net
Braking performance (driving brake and ramp brake)Clearing width
Clearing speed
Sliding sweeping ability
Clearing efficiency
Maximum suction particle size
Mass air flow velocity at the suction port
Unloading angle
Unloading height
Engine stop speed, outside the vehicle, driver's ear noise, whole machine recording, when the cleaning speed is high, outside the vehicle, driver's cab, driver's ear membrane sound
Hydraulic oil pollution in the hydraulic oil tank
Driving fuel consumption
Fuel consumption for cleaning operation
Engine gas emission
Dust content of dust collection system
Cleaning operation is not less than 500b, and the number of dump container tipping unloading operations is not less than 400 times
Type inspection
Factory inspection
Note, the items marked with \△\ in the table are to be inspected; the items marked with \△, \ are road sweepers using Dingjiang chassis, and the items that can be exempted from testing 4
6 Marking, packaging, transportation and storage
6.1, Marking
JB/T 7303-94
The road sweeper shall be equipped with a product label in a conspicuous position, which shall include the following contents: 6.1.1
Product name and model;
Product dimensions (length × width × height), mm; Sweeping width, mm;
Sweeping speed, km/h+
Effective volume of garbage container, m\;
Unloaded weight basis, kg:
Factory number and ex-factory date;
Manufacturer name and factory logo.
Operation signs shall be set at each operating position. 6.2 Packaging
The exposed parts of each valve rod and hydraulic cylinder piston rod shall be packaged in moisture-proof and rust-proof packaging before the road sweeper leaves the factory. The product shall be equipped with accessories, spare parts, vehicle tools and documents before leaving the factory. The accompanying technical documents include:
Product certificate and instruction manual:
Instruction manual for main supporting parts (standardized vehicle chassis or engine): c.
Packing list for the vehicle.
6.3 Transportation
When the road sweeper is transported by rail, water or road, it should be self-driven or towed as much as possible to get on and off the vehicle or ship. When it is necessary to use the hoisting method for loading and unloading, special hoists should be used to avoid damage to the product. 6.4 Storage
When long-term storage is required, the road sweeper should be parked in a dry, windy, sun-proof and corrosion-resistant place, and inspected regularly to prevent damage. The transportation and storage of the standardized vehicle chassis and main purchased parts should be carried out in accordance with the regulations of the original manufacturer. 6.5 Under the conditions of complying with the storage, transportation and use regulations of this product, within one year from the date of shipment from the manufacturer, if the product is damaged due to poor manufacturing quality and cannot operate normally, the manufacturer shall be responsible for free repair (except for wearing parts). Additional Notes:
This standard was proposed and managed by Tianjin Engineering Machinery Research Institute of the Ministry of Electrical Machinery Industry. This standard was drafted by Tianjin Engineering Machinery Research Institute, and the main drafters of this standard were Sun Yunfu and Jia Jianzhong.3 In the type inspection, if one item is unqualified, double sampling shall be carried out in the batch of products and the item shall be retested. If it is still unqualified. 3
The product is unqualified.
The inspection items and contents shall be in accordance with the provisions of Table 2.
Inspection items
Appearance quality inspection
Determination of main structural parameters
Driving performance test
Cleanup performance test
Unloading test
Noise test
Hydraulic contamination test
Fuel slip test
Determination of air pollution index
Operability test
JB/T 730394
Inspection content
Complete machine shape, surface of external sheet metal parts is smooth and without pits + paint quality, welding quality, geometric parameters of gas circuit, oil circuit and circuit layout (including overall dimensions, volume and minimum ground clearance of the whole machine)
Quality parameters (including axle load distribution)
Center of gravity position
Minimum turning radius
Minimum stable speed
Maximum speed (or speed of each gear)
Acceleration performance
Clearing performance
Maximum traction
Target slope performance
Braking performance (driving brake and ramp brake)Clearing width
Clearing speed
Sliding sweeping ability
Clearing efficiency
Maximum suction particle size
Mass air flow velocity at the suction port
Unloading angle
Unloading height
Engine stop speed, outside the vehicle, driver's ear noise, whole machine recording, when the cleaning speed is high, outside the vehicle, driver's cab, driver's ear membrane sound
Hydraulic oil pollution in the hydraulic oil tank
Driving fuel consumption
Fuel consumption for cleaning operation
Engine gas emission
Dust content of dust collection system
Cleaning operation is not less than 500b, and the number of dump container tipping unloading operations is not less than 400 times
Type inspection
Factory inspection
Note, the items marked with \△\ in the table are to be inspected; the items marked with \△, \ are road sweepers using Dingjiang chassis, and the items that can be exempted from testing 4
6 Marking, packaging, transportation and storage
6.1, Marking
JB/T 7303-94
The road sweeper shall be equipped with a product label in a conspicuous position, which shall include the following contents: 6.1.1
Product name and model;
Product dimensions (length × width × height), mm; sweeping width, mm;
Sweeping speed, km/h+
Effective volume of garbage container, m\;
Unladen weight basis, kg:
Factory number and ex-factory date;
Manufacturer name and factory logo.
Operation signs shall be set at each operating position. 6.2 Packaging
The exposed parts of each valve rod and hydraulic cylinder piston rod shall be packaged in moisture-proof and rust-proof packaging before the road sweeper leaves the factory. The product shall be equipped with accessories, spare parts, vehicle tools and documents before leaving the factory. The accompanying technical documents include:
Product certificate and instruction manual:
Instruction manual for main supporting parts (standardized vehicle chassis or engine): c.
Packing list for the vehicle.
6.3 Transportation
When the road sweeper is transported by rail, water or road, it should be self-driven or towed as much as possible to get on and off the vehicle or ship. When it is necessary to use the hoisting method for loading and unloading, special hoists should be used to avoid damage to the product. 6.4 Storage
When long-term storage is required, the road sweeper should be parked in a dry, windy, sun-proof and corrosion-resistant place, and inspected regularly to prevent damage. The transportation and storage of the standardized vehicle chassis and main purchased parts should be carried out in accordance with the regulations of the original manufacturer. 6.5 Under the conditions of complying with the storage, transportation and use regulations of this product, within one year from the date of shipment from the manufacturer, if the product is damaged due to poor manufacturing quality and cannot operate normally, the manufacturer shall be responsible for free repair (except for wearing parts). Additional Notes:
This standard was proposed and managed by Tianjin Engineering Machinery Research Institute of the Ministry of Electrical Machinery Industry. This standard was drafted by Tianjin Engineering Machinery Research Institute, and the main drafters of this standard were Sun Yunfu and Jia Jianzhong.3 In the type inspection, if one item is unqualified, double sampling shall be carried out in the batch of products and the item shall be retested. If it is still unqualified. 3
The product is unqualified.
The inspection items and contents shall be in accordance with the provisions of Table 2.
Inspection items
Appearance quality inspection
Determination of main structural parameters
Driving performance test
Cleanup performance test
Unloading test
Noise test
Hydraulic contamination test
Fuel slip test
Determination of air pollution index
Operability test
JB/T 730394
Inspection content
Complete machine shape, surface of external sheet metal parts is smooth and without pits + paint quality, welding quality, geometric parameters of gas circuit, oil circuit and circuit layout (including overall dimensions, volume and minimum ground clearance of the whole machine)
Quality parameters (including axle load distribution)
Center of gravity position
Minimum turning radius
Minimum stable speed
Maximum speed (or speed of each gear)
Acceleration performance
Clearing performance
Maximum traction
Target slope performance
Braking performance (driving brake and ramp brake)Clearing width
Clearing speed
Sliding sweeping ability
Clearing efficiency
Maximum suction particle size
Mass air flow velocity at the suction port
Unloading angle
Unloading height
Engine stop speed, outside the vehicle, driver's ear noise, whole machine recording, when the cleaning speed is high, outside the vehicle, driver's cab, driver's ear membrane sound
Hydraulic oil pollution in the hydraulic oil tank
Driving fuel consumption
Fuel consumption during cleaning operation
Engine gas emission
Dust content of dust collection system
Cleaning operation is not less than 500b, and the number of garbage container tipping unloading operations is not less than 400 times
Type inspection
Factory inspection
Note, the items marked with \△\ in the table are to be inspected; the items marked with \△, \ are road sweepers using Dingjiang chassis, and the items that can be exempted from testing 4
6 Marking, packaging, transportation and storage
6.1, Marking
JB/T 7303-94
The road sweeper shall be equipped with a product label in a conspicuous position, which shall include the following contents: 6.1.1
Product name and model;
Product dimensions (length × width × height), mm; sweeping width, mm;
Sweeping speed, km/h+
Effective volume of garbage container, m\;
Unladen weight basis, kg:
Factory number and ex-factory date;
Manufacturer name and factory logo.
Operation signs shall be set at each operating position. 6.2 Packaging
The exposed parts of each valve rod and hydraulic cylinder piston rod shall be packaged in moisture-proof and rust-proof packaging before the road sweeper leaves the factory. The product shall be equipped with accessories, spare parts, vehicle tools and documents before leaving the factory. The accompanying technical documents include:
Product certificate and instruction manual:
Instruction manual for main supporting parts (standardized vehicle chassis or engine): c.
Packing list for the vehicle.
6.3 Transportation
When the road sweeper is transported by rail, water or road, it should be self-driven or towed as much as possible to get on and off the vehicle or ship. When it is necessary to use the hoisting method for loading and unloading, special hoists should be used to avoid damage to the product. 6.4 Storage
When long-term storage is required, the road sweeper should be parked in a dry, windy, sun-proof and corrosion-resistant place, and inspected regularly to prevent damage. The transportation and storage of the standardized vehicle chassis and main purchased parts should be carried out in accordance with the regulations of the original manufacturer. 6.5 Under the conditions of complying with the storage, transportation and use regulations of this product, within one year from the date of shipment from the manufacturer, if the product is damaged due to poor manufacturing quality and cannot operate normally, the manufacturer shall be responsible for free repair (except for wearing parts). Additional Notes:
This standard was proposed and managed by Tianjin Engineering Machinery Research Institute of the Ministry of Electrical Machinery Industry. This standard was drafted by Tianjin Engineering Machinery Research Institute, and the main drafters of this standard were Sun Yunfu and Jia Jianzhong.
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