This standard specifies the terms and definitions of comprehensive road maintenance vehicles and their basic parameters, and specifies the names and terms of the main components. JB/T 5957-1991 Comprehensive road maintenance vehicle terminology JB/T5957-1991 Standard download decompression password: www.bzxz.net

Mechanical Industry Standard of the People's Republic of China
JB/T5957-91
Comprehensive road maintenance vehicle
Published on December 12, 1991
Implemented on July 1, 1992
Published by the Ministry of Machinery and Electronics Industry of the People's Republic of China
Mechanical Industry Standard of the People's Republic of China
Comprehensive road maintenance vehicle
Subject content and scope of application
JB/T5957—91
This standard specifies the terms and definitions of comprehensive road maintenance vehicles and their basic parameters, and specifies the names and terms of each main component. This standard applies to comprehensive road maintenance vehicles and road maintenance vehicles modified from various vehicles as chassis. 2 Reference standards
GB3730.3 Terms and definitions of automobiles and trailers Vehicle dimensions
JB3743
3 Terms
Test methods for automobile engine performance
3.1 Syndrome road maintenance truck Syndrome road maintenance truck is a special road maintenance engineering vehicle with multiple functions such as breaking asphalt concrete pavement, heating asphalt, spraying alcohol, storing and transporting asphalt concrete mixture, discharging materials, and compacting new pavement (hereinafter referred to as road maintenance truck). It is mainly used for small-scale repair and maintenance of asphalt pavement. 3.2 Dimension parameters
The dimension parameters of road maintenance truck (see Figure 1) are defined in accordance with the relevant provisions of GB3730.3. Figure 1
Approved by the Ministry of Machinery and Electronics Industry on December 12, 1991 and implemented on July 1, 1992
3.2.1 Overall length (L,) overalllength3.2.2
As defined in Article 4.1.1 of GB3730.3.
Overall width (W,) overallwidth
As defined in Article 4.2 of GB3730.3.
Overall height (H,) overallheight
As defined in Article 4.3 of GB3730.3.
3.2.4 Wheelbase (L) wheelbase
As defined in Article 4.4.1 of GB3730.3.
Tread (W,) tread
As defined in Article 4.5 of GB3730.3.
3.2.6 Front overhang (L)frontoverhang
As defined in Article 4.6 of GB3730.3.
3.2.7 Rear overhang (L,)rearoverhang
As defined in Article 4.7 of GB3730.3.
3 Ground clearance (H2)groundclearance3.2.8
As defined in Article 4.8 of GB3730.3.
3.2.9 Longitudinal passing angle (A,)rampangleAs defined in Article 4.9 of GB3730.3.
3.2.10 Approach angle (Az)approachangleAs defined in Article 4.10 of GB3730.3. bZxz.net
Departure angle (A,)departureangle
As defined in Article 4.11 of GB3730.3.
JB/T5957—91
3.2.12 Minimum turning radius (R,) minimum turning radius is defined as half of the outer turning diameter in Article 4.32 of GB3730.3. 3.2.13 Minimum turning radius (R,) minimum turning radius of
f vehicle profile
is defined as the radius of the outer turning channel circle in Article 4.33 of GB3730.3. 3.3 Performance parameters
3.3.1 Rated power of engine
power of engine
The total power specified at the specified rated speed shall comply with the provisions of JB3743. 3.3.2 Structural mass
tconstructional mass
The mass of the road maintenance vehicle after removing the on-board tools, lubrication, cooling, fuel and other oils. 3.3.3 Operating mass
operatingmass
The mass of the road maintenance vehicle in operation. In addition to the structural mass of the road maintenance vehicle, it also includes one driver (about 75kg) and the fuel, lubricating oil, hydraulic oil, coolant and on-board tools filled as required. However, it does not include the mass of asphalt, anti-sticking oil and anti-sticking water loaded during operation.
3.3.4 Operating mass
workingmass
The maximum mass of the road maintenance vehicle in operation. In addition to the operating mass of the road maintenance vehicle, it also includes the mass of asphalt, anti-sticking oil and anti-sticking water filled as required.
3.3.5 Transport mass
transportable
The mass of the road maintenance vehicle after removing certain parts according to transportation regulations and filling with coolant, lubricating oil, hydraulic oil and 10% of fuel, excluding the driver.
3.3.6 Cab seats
cabseats
According to traffic regulations, the cab is allowed to accommodate the maximum number of people including the driver. 3.3.7 Hopper loading
loadingmass
ofhopper
JB/T5957—91
The mass of asphalt concrete mixture loaded in the hoppercapacity of asphalt tankcapacityofasphalt tank3.3.8
The capacity of asphalt oil in the asphalt tank.
3.3.9 Anti-sticking water tank capacitycapacityofwatertankThe capacity of anti-sticking water in the water tank for spraying during operation. 3.3.10
Anti-sticking oil tank capacitycapacityofoil.tankThe capacity of anti-sticking oil in the oil tank for spraying during operation. Maximum speedmaximumspeed
The maximum speed that a road maintenance vehicle can reach. Working speed
The maximum rolling speed of a road maintenance vehicle.
Roller diameter
Roller diameter.
Roller length
Length
Length of roller contacting the ground.
Rolling line pressure
Liner pressure
When the road maintenance vehicle is placed on a horizontal surface according to its use quality, the total ground pressure of the roller divided by the length of the roller when the roller is in contact with the ground for its entire length and the rear wheels are all off the ground.
maximum grade for roller
Maximum grade for rolling
driving
The maximum slope value of a road maintenance vehicle that can pass a slope of not less than 20m under rolling driving conditions on a compacted asphalt pavement according to its working quality.
fexportingvelocityofmixedmatter
The mass of asphalt concrete mixture that can be output per unit time when the road maintenance vehicle is in operation. SpreadingmassofmeltedasphaltThe mass of asphalt that can be sprayed per unit time when the road maintenance vehicle is in operation. Hydraulic breakermassThe mass of the hydraulic breaker assembly, excluding the mass of the replaceable breaker and the connected hydraulic hose. Breakingfrequency
The breaking frequency generated by the hydraulic breaker under rated working conditions. Thickness of keeping temperature
Thickness of the insulation layer between the inner and outer walls of the hopper, layer
Axle load
The load acting on the front and rear axles of the road maintenance vehicle on the horizontal plane according to its use quality or operation quality (to be specified) is divided into: front axle load;
Front axle load
b. Rear axle load
3.4 Name of each component
axleload.
Name of each component is shown in Figure 2 and Table 1.
Asphalt sprayer
Paving tool
Rear control box
Screw discharger
Hydraulic control device
JB/T5957—91
truck chassis
burner
asphalt tank
asphaltpump
tool box
asphalt concrete hopper
hopperscover
watertank
oil tank
roller
discharging gate
asphalt sprayer
hydraulic breaker
paving tool
rear control box
exportingscrew
hydraulic control 3.5 Other terms 3.5.1 Spraying case JB/T5957-91 The atomization condition of asphalt oil sprayed on the road surface during road maintenance vehicle operation. 3.5.2 Burning Spraying The process of heating asphalt oil by burner. 3.5.3 Discharging Matter Exporting The process of transporting asphalt concrete mixture from the hopper to the ground. Additional remarks: This standard was proposed and coordinated by Tianjin Engineering Machinery Research Institute of the Ministry of Machinery and Electronics Industry, and drafted by Tianjin Engineering Machinery Research Institute. The main drafters of this standard are Wang Bin and Wang Qing. and
People's Republic of China
Mechanical Industry Standard
Terms for Comprehensive Road Maintenance Vehicles
JB/T5957-91
Published and distributed by the Mechanical Standardization Research Institute of the Ministry of Machinery and Electronics Industry (PO Box 8144, Beijing
Postal Code 100081)
Copyright reserved. Reproduction prohibited
Printed by Printing Factory, Qinghe County, Hebei Province
Format 880×1230
Word count 10000
Sheet 5/8
First printing in March 1992
First edition in March 1992
Print run 00.001-500
Price 1.30 yuan
No. 0529
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