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SINOTRUK Howo 6×4 synchronous gravel sealing truck

Parameter configuration table and picture display of Sinotruk Howo’s rear double-bridge synchronous gravel sealer

The appearance of Chengli Special Purpose Vehicle Co., Ltd. gravel synchronous sealing truck
Machine performance parameters
◆ Product model: CLW5252TFCZ5
◆ Chassis model: Howo ZZ1257N4347E1
◆ Spreading width: 4000mm
◆ Asphalt spreading amount: 0.2~4.0kg/m2
◆ Heating method: imported diesel burner (200,000 kcal/hour)
◆ Full load quality: 45t
◆ Empty vehicle mass: 17.6t
◆ Spraying media: hot asphalt, thermally modified asphalt, diluted asphalt, emulsified asphalt, rubber modified asphalt (should meet the following two conditions: 1 rubber modified asphalt viscosity Haake190℃ 1500~2200Pa.s2 rubber modified asphalt spray temperature 200~ 210℃; 3. Rubber modified asphalt spraying width 4000mm)
◆ Spreading specifications: S3~S24mm
◆ Spreading accuracy: ±1.5%
◆ Asphalt tank capacity: 8m3
◆ Silo capacity: 12m3

◆ Dimensions: 10200×2500×3730

2. Equipment composition and structural features
The synchronous gravel truck is mainly composed of an asphalt spreading system, a stone spreading system, an electrical operating system, and an auxiliary machine system.
Asphalt Spreading System The spraying system mainly consists of an asphalt tank, heating part, hydraulic part, control part and spraying part.
1. Asphalt tank: The outer wall of the tank is made of stainless steel frosted board, with insulation filler in the middle, and the inside is composed of a heating boiler and a heat-conducting oil coil. The appearance is neat and generous. The additional gas control valve set outside the tank realizes the large and small circulation of the asphalt in the pipeline and avoids the local overheating and aging of the asphalt.
2. Heating part The heating device uses imported burners and matching high-efficiency boilers. It has high combustion efficiency, good atomization effect, low fuel consumption, fast heating speed, safe and stable operation. No manual monitoring is required to ensure that the asphalt in the pipeline can obtain an effective heating temperature.
3. The hydraulic part adopts imported German Rexroth components (hydraulic pump, hydraulic motor) to ensure reliable transmission performance.
4. The control part uses encoders to accurately detect vehicle speed and asphalt pump speed to ensure spreading accuracy. The radar, encoder and main circuit switching components are all imported components. After setting the amount of spraying, the PLC automatically calculates the vehicle speed and pump speed, which realizes the automatic control of spraying and can recommend a reasonable speed for the driver.
5. Spraying part The opening and closing of each nozzle is controlled by a gas valve individually. The special pipeline design ensures uniform pressure and good spraying effect.
Stone spreading system
The stone spreading system consists of a silo, a gate control mechanism and a spreader.
The silo is equipped with an inner-shadow-type center-mounted top turning shaft, and a through shaft is used to ensure the stability of the silo’s lifting; the material door is controlled by 16 channels, and an angle screw angle controller is used to make the material door reach a certain opening. The opening angle of the material door can be set on the angle controller, which is very convenient and accurate. Effectively adjust the spreading uniformity and change the uneven distribution of traditional stones; the adjustment range of the distributor and the blanking board is large, and it is suitable for stones of different specifications (S3~S24mm).

Work picture
Electrical operating system
1. Provide operators with accurate spreading parameters according to different work requirements.
Through the setting of the display screen parameters on the rear console, the continuous change of the actual measurement parameters can accurately reflect the operation of the equipment.
2. The manual operation is simple, and the manual/automatic switch can be realized, which improves the work efficiency.
3. The width of asphalt spraying and stone spreading can be adjusted freely according to the width of the road surface.
4. The limit switch device is used to control the raising and lowering of the nozzle frame and the silo to avoid overtravel to damage the man and machine.
5. Equipped with heat-conducting oil automatic alarm device, with the upper and lower limit alarm of the material level, and the lower limit alarm indication function of the asphalt.
Three, equipment advantages
◆ Exclusive use of full hydraulic drive mode, no need to add any auxiliary power to make the operation easier and more convenient.
◆ Exclusive use of high-efficiency heat-conducting oil boiler for heating, greatly improving the temperature rise speed, breaking the traditional flue heating method.
◆ The equipment adopts the internal lifting hopper to realize the construction of stone chippings, which is more convenient for culvert construction, under bridge construction, and curve construction;
◆ The equipment is fully electrically controlled and has a high degree of automation, which can accurately calculate the amount of asphalt spraying and stone chippings during the construction of the equipment;
◆ The angle meter is used for the control of the material door to ensure the accuracy of the equipment blanking;
◆ Reduce, reduce the labor intensity of construction, save human resources, reduce construction costs, and improve work efficiency and work quality;
◆The whole machine runs stably, spreads evenly, and can freely adjust the spreading width of asphalt;

◆ A good insulation layer ensures that the insulation performance index is ≤20℃/8h, and it is anti-corrosive and durable;

◆ All kinds of asphalt media can be sprayed to spread the stone from S3~S24mm;
◆ The equipment adopts nozzles with high processing accuracy, so that the spray consistency and spray effect of each nozzle are fully guaranteed;
◆ The overall operation is more humane, with remote control and on-site operation, which brings great convenience to the operator;
◆ Through the perfect combination of electrical control and hydraulic system constant pressure device, zero-start spraying is realized;
◆ The whole machine has undergone many engineering construction improvements, with reliable working performance, convenient operation and maintenance, and high cost performance.
Serial number
Model and specification
Car chassis
Asphalt tank
Silo capacity :
12 cubic meters (flat bucket) actual 14 cubic meters
Asphalt pump
TGGM185-125 (Belgian original)
Hydraulic pump
A11V040EP20D-10L (Rexroth)
Whole vehicle curb weight (kg)
Maximum total mass (kg)
Control System
XYL32-16 (Siemens original)
Honda Generator
EG6500CXS (Japan original)


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