What are the characteristics of an omnidirectional crawler excavator?

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The structure of the omnidirectional crawler excavator includes: an operating platform, a cab is arranged on the operating platform, a frame is arranged below the operating platform, a crawler travel device is installed below the frame, the crawler travel device includes symmetrically arranged crawler wheels, a straight-moving mechanism for controlling the forward and backward movement of the crawler wheels is arranged inside the crawler wheels, and a power mechanism for controlling the left and right movement of the crawler wheels is installed on the side of the crawler wheels.

The straight-moving mechanism of the omnidirectional crawler excavator includes two symmetrically distributed industrial sprockets arranged at the power end of the crawler wheels, and the two are connected by a double output shaft reduction motor; it also includes two industrial sprockets arranged at the driven end of the crawler wheels, and the two are connected by a wheel axle. The two industrial sprockets on the same side of the crawler wheels of the omnidirectional crawler excavator are connected by an industrial chain; multiple chain plates are evenly distributed on the outside of the industrial chain, and the chain plates are perpendicular to the tangent direction of the industrial chain. Multiple chain plates make the crawler wheels form a roller-like structure.

The chain plate of the omnidirectional crawler excavator is a quarter structure of a circular plate, and the industrial chain passes through each chain plate arranged on it in sequence; the four chain plates arranged on a plane perpendicular to the axis of the track wheel form a circular plate structure. A wheel hub matching the shape of the track wheel is arranged in the track wheel; the dual-output shaft reduction motor is located in the wheel hub, and the output shafts at both ends thereof extend out of both sides of the wheel hub, respectively connecting the two industrial sprockets at the power end of the track wheel located on both sides of the wheel hub; the two ends of the wheel axle extend out of both sides of the wheel hub, respectively connecting the two industrial sprockets at the driven end of the track wheel located on both sides of the wheel hub.

A tensioning mechanism that cooperates with the industrial chain is arranged inside the track wheel. The tensioning mechanism of the omnidirectional crawler excavator includes a U-shaped groove arranged coaxially with the end of the wheel hub, and the U-shaped groove can move relative to the wheel hub along its axial direction; the two ends of the wheel axle extend out of both sides of the U-shaped groove, respectively connecting the two industrial sprockets at the driven end of the track wheel. A connecting shaft is arranged at both ends of the wheel hub, and one end of the connecting shaft extends out of the track wheel, respectively connecting the power mechanism and the frame. The power mechanism of the omnidirectional crawler excavator includes a reduction motor arranged on a frame, the reduction motor is connected to a first pulley, the first pulley is connected to a second pulley via a first belt, the first pulley is connected to a third pulley via a second belt, and the second pulley and the third pulley are respectively connected to connecting shafts of symmetrically arranged crawler wheels.

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