11results about "Hydraulic steering gears" patented technology

Disclosed herein is a steering device (1) for a vehicle, the steering device (1) comprising, namely, a hydraulic drive unit (2), a converter unit (3), and an output element (4) configured to apply output torque or output to a steering mechanism, wherein the hydraulic drive unit (2) is fluidly connected to the converter unit (3), thereby allowing the hydraulic drive unit (2) to hydraulically apply pressure to the converter unit (3), the converter unit (3) comprising a piston (3.1) and a transmission unit (3.2), where, when hydraulic pressure is applied to the piston (3.1), the piston (3.1) transmits a piston force to the transmission unit (3.2), and the transmission unit (3.2) applies output torque or output to the output element (4) in accordance with the transmitted piston force, thus the steering device (1). Further disclosures include a steering system and a vehicle.

The present disclosure provides an asphalt finisher capable of improving the accuracy of rudder angle control. The asphalt finisher is provided with a plurality of wheels including a steering wheel, a steering cylinder (54) that adjusts the rudder angle of the steering wheel, and a hydraulic pump (55) that supplies working oil to the steering cylinder (54). Furthermore, the asphalt finisher is provided with a proportional control valve (56p) disposed between the hydraulic pump (55) and the steering cylinder (54) and controlling the flow rate and direction of the working oil supplied to the steering cylinder (54), and a controller that controls the rudder angle by controlling the proportional control valve (56p).

An asphalt finisher is provided and includes a plurality of wheels including a steered wheel; a steering cylinder configured to adjust a steered angle of the steered wheel; a hydraulic pump configured to supply hydraulic oil to the steering cylinder; a proportional control valve disposed between the hydraulic pump and the steering cylinder, and configured to control a flow rate and a direction of the hydraulic oil supplied to the steering cylinder; and a controller configured to control the proportional control valve to control the steered angle.

A steering gear (1) for a vehicle (200) is disclosed, comprising: - a case (2); - a first and a second displacement element (10, 11); - a force-absorbing element (9); - an output interface (30), where the displacement elements (10, 11) are provided in an interior of the housing (2) and divide this into displacement chambers (3, 4, 5), wherein the displacement elements (10, 11) are displaceable, wherein the displacement elements (10, 11) each have force transmission elements (12, 13), wherein the force transmission elements (12, 13) are mechanically engaged with the force receiving element (9), wherein the force receiving element (9) is rotatable about a rotation axis (14) and is mechanically coupled to the output interface (30), wherein the steering gear (1) is designed such that the displacement elements (10, 11) can be moved into and / or out of at least one of the displacement chambers (3, 4, 5) by supplying and / or removing pressure medium, so that force effects are applied to the force receiving element (9) via the engagement between the force receiving element (9) and the force transmission elements (12, 13), wherein The force acting on the force receiving element (9) imposes a torque on the output interface (30) via the mechanical coupling of the force receiving element (9) with the output interface (30). Furthermore, a steering unit (50), an axle unit (100) and a vehicle (200) are disclosed.

An asphalt finisher is provided and includes a plurality of wheels including a steered wheel; a steering cylinder configured to adjust a steered angle of the steered wheel; a hydraulic pump configured to supply hydraulic oil to the steering cylinder; a proportional control valve disposed between the hydraulic pump and the steering cylinder, and configured to control a flow rate and a direction of the hydraulic oil supplied to the steering cylinder; and a controller configured to control the proportional control valve to control the steered angle.

A kit for connecting an output shaft of an electric motor to an input shaft of a steering gear of a steering system includes: a housing including: a central section having a first central section end and a second central section end, the central section defining an adapter assembly passage extending in a longitudinal direction between the first central section end and the second central section end, an electric motor bracket disposed on the first central section end, and a steering gear bracket disposed on the second central section end; and an adapter assembly having a first adapter assembly end and a second adapter assembly end. The adapter assembly is disposable in the adapter assembly passage such that the first adapter assembly end is connectable to the output shaft and the second adapter assembly end is connectable to the input shaft.

This disclosure provides an asphalt finisher capable of improving the precision of steering angle control. [Solution] The asphalt finisher includes a plurality of wheels, including steering wheels, a steering cylinder 54 that adjusts the steering angle of the steering wheels, and a hydraulic pump 55 that supplies hydraulic fluid to the steering cylinder 54. The asphalt finisher also includes a proportional control valve 56p positioned between the hydraulic pump 55 and the steering cylinder 54, which controls the flow rate and direction of the hydraulic fluid supplied to the steering cylinder 54, and a controller that controls the steering angle by controlling the proportional control valve 56p.

A kit for connecting an output shaft of an electric motor to an input shaft of a steering gear of a steering system includes: a housing including: a central section having a first central section end and a second central section end, the central section defining an adapter assembly passage extending in a longitudinal direction between the first central section end and the second central section end, an electric motor bracket disposed on the first central section end, and a steering gear bracket disposed on the second central section end; and an adapter assembly having a first adapter assembly end and a second adapter assembly end. The adapter assembly is disposable in the adapter assembly passage such that the first adapter assembly end is connectable to the output shaft and the second adapter assembly end is connectable to the input shaft.

The present disclosure provides a steering system and an engineering vehicle. The steering system comprises: a steering mechanism comprising a steering bridge, a steering wheel and a steering cylinder, the steering cylinder being configured to drive the steering wheel to deflect left and right relative to the steering bridge; a steering control mechanism; a transmission mechanism configured to drive the steering wheel to deflect left and right relative to the steering bridge; a full hydraulic steering gear comprising a motor; and a steering mode switching device configured to switch the steering system between a first steering mode and a second steering mode, in the first steering mode, the steering control mechanism is in driving connection with the transmission mechanism, the transmission mechanism drives the steering wheel to deflect in response to a steering action of the steering control mechanism, in the second steering mode, the steering control mechanism is in driving connection with the motor, the motor supplies oil to the steering cylinder in response to the steering action of the steering control mechanism to drive the steering cylinder to deflect the steering wheel. The steering system and the engineering vehicle of the present disclosure can meet the steering requirements under different working conditions.

A smart steering kit for a legacy steering device for connecting an output shaft of an electric motor to an input shaft of a steering device of a steering system. The kit includes a housing and an adapter assembly having a first adapter assembly end and a second adapter assembly end. The housing includes: a central section having a first central section end and a second central section end, the central section defining an adapter assembly passage extending in a longitudinal direction between the first central section end and the second central section end; an electric motor bracket disposed on the first central section end; and the steering device bracket is arranged on the end part of the second central section. An adapter assembly can be disposed in the adapter assembly channel such that a first adapter assembly end can be connected to the output shaft and a second adapter assembly end can be connected to the input shaft.

The invention relates to a drive train of a working machine, wherein the drive train comprises a first power take-off (PTO) drive with a first PTO electric motor (92) and a first PTO shaft (96), an auxiliary electric motor (504), a main hydraulic pump (102), a steering pump (502), and a steering hydraulic system (500). The first PTO electric motor (92) is configured to drive the first PTO shaft (96) and the main hydraulic pump (102). The auxiliary electric motor (504) is configured to drive the steering pump (502). The steering pump (502) and the main hydraulic pump (102) are configured to supply the steering hydraulic system (500).