A floor cutting machine according to the present invention can comprise: a main frame for supporting equipment required for cutting a floor; a plurality of front wheels positioned at the front of the main frame when the proceeding direction of the floor cutting machine is the front and the opposite direction thereof is the rear; at least one rear wheel positioned at the rear of the main frame; a cutting frame which is a frame separate from the main frame, and of which one side is fixed near the rear of the main frame and the other side vertically moves; a cutting shaft positioned near the other side of the cutting frame; and a cutting blade capable of being fitted into both ends of the cutting shaft.

A road striping removal and particulate capturing combination system includes a chassis having a front end and a rear end. A plurality of wheels is rotatably coupled to the chassis and extends downwardly therefrom. The chassis includes an open bottomed housing having an upper wall and a perimeter wall that is attached to and extends downwardly from the upper wall. A particulate conduit extends through the upper wall. A particulate nozzle is fluidly coupled to the particulate conduit. The particulate conduit delivers particulate under pressure to the nozzle such that the particulate is ejected from the nozzle toward road striping as the striping passes under the upper wall. A vacuum conduit is fluidly coupled to an interior space bounded by the housing. The vacuum conduit is fluidly coupled to a vacuum to suction the particulate after the particulate has struck the road surface.

The disclosure refers to a road construction machine, adapted in particular in the form of a road paver or a feeder vehicle for a road paver. According to the disclosure, the road construction machine comprises a first and/or a second air barrier device adapted to shield a driver and/or an operator of the road construction machine. Furthermore, the disclosure refers to a corresponding method for generating an air flow during operation of a road construction machine in order to shield a driver and/or an operator from vapors and/or aerosols rising during operation of the road construction machine.

A road construction machine in the form of a road finisher or feeder vehicle comprising an operator stand with a floor surface as a tread surface and a cooling system for producing a mist from a cooling agent. The cooling system comprises a tank for receiving the cooling agent and a spray apparatus for nebulizing the cooling agent into a mist. The cooling system is configured to produce the mist in the area of the operator stand, and the spray apparatus is arranged thereby at a height of at least 1.7 m above the tread surface.

A self-propelled roadway maintenance machine has an operator's station located on a front portion of the machine's chassis and including a forward-facing operator's seat. A driven implement, such as a crack routing cutter drum for routing cracks in a roadway surface, is mounted on the front portion of the chassis in a location that can be monitored by a forward-facing operator while controlling machine steering and propulsion. The implement may be removably mounted on the chassis by a quick-connect coupling. If the implement comprises a crack routing cutter drum, a plurality of peripherally spaced cutter wheel assemblies may be mounted between disks of the cutter drum, each cutter wheel assembly including a pin and first and second bushings that support the pin on the disks and that are removably inserted into respective bores in the disks. Machine steering and propulsion and implement operation may all be effected hydraulically.

Disclosed is a method for planing roadways by a mobile planing machine producing planings and dust, in which a rotary planing-milling tool is employed, arranged in a housing of the planing machine, the tool receiving water for cooling thereof. The method has reduced dust, in particular asbestos fibre dust, an additive being added to the water in order to form an aqueous composition for agglomerating the dust with the planings produced in order to form aggregates, the rotation of the tool causing a mixing of the planings, the dust and the water with additive, the aqueous composition being selected alone or in a chemically compatible combination with: a bitumen emulsion, a bitumen foam, an aqueous solution including mineral and/or organic fillers. The application also relates to a mobile planing machine.

A ventilation system and method for a cold planer are provided. The ventilation system includes a settling box inside a water tank. The settling box includes a body. The body includes at least one sidewall defining an air inlet having a first cross-section to accept dust and fumes generated by a milling drum operation of the cold planer but to reject particles from the milling drum operation at or above a predetermined size. The settling box further includes an air outlet having a second cross-section less than the first cross-section of the air inlet. The ventilation system further includes an outlet pipe connected to the air outlet, a fan and a cleaning system. The fan is configured to pull air from below the air inlet into the settling box, through the air outlet and to the outlet pipe.

A ground milling machine, comprising a milling drum, rotatably mounted in a milling-drum housing, for removing ground material, a milled-material conveying apparatus for transporting the removed ground material and a dust extraction apparatus for extracting dust-containing air from a region of the milled-material conveying apparatus, the dust extraction apparatus comprising at least one extraction line, which opens into the region of the milled-material conveying apparatus via an extraction opening, the ground milling machine comprising a left side wall, a right side wall, a front wall and a rear wall, and wherein a maintenance tunnel is provided which is designed such that it establishes an access connection, accessible from outside the ground milling machine, between the extraction opening and one of the side walls, the front wall or the rear wall of the ground milling machine. A method for maintenance of the dust extraction apparatus is also disclosed.

The present invention relates to a ground milling machine, in particular a road milling machine, for removing ground material, comprising a machine frame having a chassis, a milling drum supported on a machine frame, and a transport device having at least one conveyor belt, which is configured for conveying removed ground material in a conveying direction away from the milling drum to a discharge point, as well as to a method for operating a ground milling machine. One aspect of the present invention is to provide an electrostatic precipitator, which reduces the dust pollution.

A microtrenching system having a vacuum hose supported between a vacuum truck and a microtrencher so that the vacuum hose does not contact the roadway surface while cutting the microtrench. A method of using the microtrenching system to cut a microtrench in a roadway and vacuuming spoil from the roadway and microtrench through the supported vacuum hose into a spoil container on the vacuum truck.