The invention discloses a single-circuit integral steering gear, a steering power-assisted system and a crane, the steering gear comprises an input shaft device, a motor steering screw, a left shell and a right shell, a piston cavity in the right shell is slidably connected with a piston, and the input shaft device is rotatably connected in the left shell; one end of the steering screw rod is in threaded connection in a threaded hole of the piston, the other end of the steering screw rod is rotationally connected in the left shell and is sleeved on the periphery of the input shaft device, and the input shaft device is connected with the steering screw rod through a steering valve core torsion bar; teeth on the outer circumferential surface of the piston are meshed with the gear sector; the motor is connected with the input shaft device through the speed reducer, the torque sensor is connected to the input shaft device or integrated outside the input shaft device to obtain a torque signal of a steering wheel, and the motor transmits electric power torque to the steering screw according to the torque signal of the steering wheel and a vehicle speed signal of a vehicle.The power assisting characteristic is provided for the steering wheel, and the operation feeling of a driver is improved.
本发明公开了一种单回路整体式转向器、转向助力系统及起重机,该转向器包括输入轴装置、电机转向螺杆、左壳体和右壳体,右壳体内的活塞腔中滑动连接有活塞,输入轴装置转动连接在左壳体内,转向螺杆的一端螺纹连接在活塞的螺纹孔内,另一端转动连接在左壳体内,且套接在输入轴装置的外周,输入轴装置和转向螺杆之间通过转向阀芯扭杆相连接;活塞外周面上的齿和齿扇相啮合;电机通过减速装置和输入轴装置相连接,扭矩传感器连接在输入轴装置上或集成在输入轴装置外以获取方向盘的力矩信号,电机根据方向盘的力矩信号和车辆的车速信号向转向螺杆传递电动助力扭矩,本申请为方向盘提供助力特性,提高了驾驶员的操纵感。
Single-loop integral type steering gear, power-assisted steering system and crane
一种单回路整体式转向器、转向助力系统及起重机
2021-07-23
Patent
Electronic Resource
Chinese
IPC: | B62D MOTOR VEHICLES , Motorfahrzeuge |
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