Road surface milling machine

Abstract

The invention relates to a road surface milling machine. The road surface milling machine comprises an engine, a milling device, a supporting and lifting device and a traveling device which are installed on a carriage, wherein the supporting and lifting device comprises two front traveling wheels, a swing arm and an adjusting mechanism; each front traveling wheel is connected with the front part of the swing arm through a front wheel axle; the adjusting mechanism comprises an adjusting bar, a tension bar, a lower tension bar and an actuating cylinder; a front connecting rod and a back connecting rod are respectively fixedly connected with a front supporting axle and a back supporting axle; both ends of the lower tension bar are respectively connected with the tension bar and the back supporting axle; both ends of the actuating cylinder are respectively hinged with the back connecting rod and the front connecting rod, the back part of the swing arm is fixedly connected with the front supporting axle; the traveling device comprises a back traveling wheel, a transmission mechanism, a traveling control mechanism and a guide mechanism; and a dust suction device comprising a main axle, an air suction fan and an air suction pipe is installed on a machine base. The invention has the characteristics of reasonable and compact structure, convenient control on milling depth and operating speed, application in milling various road surfaces and improvement on work environment.

Description

technical field [0001] The invention relates to a road surface milling machine, which belongs to the technical field of road surface milling machines. Background technique [0002] With the rapid development of highways, high-speed railways and urban roads, the workload of road maintenance is also increasing. Among the road maintenance machinery, the milling machine is indispensable. After the milling machine crushes and collapses the pavement materials, the pavement materials are re-paved. At present, it is more common to divide into large-scale milling machines and small-scale milling machines, but large-scale road milling machines have complex structures, high cost of use, and can only be used for milling asphalt roads. The small road milling machine is more and more used in road maintenance because of its flexible use and low cost. Small road milling machines are mostly composed of a frame, a gasoline engine installed on the frame, a milling drum, and walking wheels lo...

AI Technical Summary

Problems solved by technology

The gearbox mechanism is not only complicated in structure and increases the manufacturing cost, but also increases the volume of the milling machine

In addition, road milling machines are usually divided into two working modes: up-cutting or down-cutting. Since the cutting mode of the down-cutting milling cutter is consistent with the forward direction of the milling machine, acceleration is caused during the working process, and the walking speed of the road milling machine is difficult to control. , which increases the labor intensity of the operator, and at the same time makes the cutting depth control inaccurate

The up-cut working method can solve the above problems, but when the road milling machine is milling, due to the influence of the changing resistance on the milling ground, its cutting depth and walking speed are controlled by various hydraulic mechanisms, resulting in complicated pipeline connections. The planer works in a harsh environment, thereby reducing the reliability of the work

Furthermore, when the milling machine is milling the ground, due to the continuous tumbling and splashing of the broken materials, a large amount of dust will be generated, so most of the milling machines are in a harsh working environment.

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