A single tie rod hydraulic steering system and method
A steering system and tie rod technology, applied in steering mechanisms, steering tie rods, fluid steering mechanisms, etc., can solve problems such as the inability to realize multi-axis vehicle eight-character steering.
Active Publication Date: 2019-03-12
AEROSPACE HEAVY IND
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Problems solved by technology
[0003] The present invention provides a single tie-rod hydraulic steering system and method, which solves or partially solves the technical problem in the prior art that the hydraulic steering system cannot realize figure-of-eight steering of multi-axis vehicles under the condition that a single tie-rod is arranged.
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[0016] see figure 1 , a single tie-rod hydraulic steering system provided by the embodiment of the present invention is arranged on the vehicle body, the steering system is connected to the steering wheel, and the steering system is connected to the steering pump; the steering system includes: a first steering device 1, The second steering device 2 , the third steering device 3 , the fourth steering device 4 , the turntable device 5 and the steering gear 6 .
[0017] The first steering device 1 is arranged on the vehicle body.
[0018] The second steering device 2 is arranged on the vehicle body, and the second steering device 2 is symmetrical to the first steering device 1 on the longitudinal center line of the vehicle body. The chamber communicates with the rod chamber of the first steering device 1 through the first communication chamber 7 .
[0019] The third steering device 3 is arranged on the vehicle body.
[0020] The fourth steering device 4 is arranged on the vehi...
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The invention discloses a single-tie-rod hydraulic steering system and method and belongs to the technical field of multi-shaft heavy duty trucks. The single-tie-rod hydraulic steering system comprises: a first steering device is arranged on a vehicle body, a rod cavity of a second steering device is communicated with a rod cavity of the first steering device through a first communication cavity, a rod cavity of a fourth steering device is communicated with a rod cavity of a third steering device through a second communication cavity, a rotary disk device is connected with the fourth steering device and the second steering device, and a steering gear is connected with a steering wheel; a first oil opening, a load sensitive opening and a second oil opening are formed in the steering gear; the first oil opening is communicated with a rodless cavity of the second steering device and a rodless cavity of the fourth steering device, the second oil opening is communicated with a rodless cavity of the first steering device and a rodless cavity of the third steering device, and the load sensitive opening is communicated with a steering pump. According to the single-tie-rod hydraulic steering system and method disclosed by the invention, 8-shaped steering of a vehicle is achieved in the situation of a single tie rod.
Description
technical field [0001] The invention relates to the technical field of multi-axle trucks, in particular to a single tie rod hydraulic steering system and method. Background technique [0002] The hydraulic steering system is often used on large-scale heavy engineering equipment, and the oil flow is controlled by the steering gear and supplied to the steering cylinder to realize the steering function of the vehicle. In order to realize the all-wheel steering of the vehicle, the linkage mechanism (non-figure steering) and the hydraulic linkage of double tie rods and single cavity (figure 8 steering) are often used to realize the steering. However, since some multi-axis equipment can only be arranged with a single tie rod (such as a U-shaped frame), and it is necessary to reduce the turning radius through a figure-of-eight steering, the above-mentioned technology cannot realize a figure-of-eight steering in the case of a single tie rod. Contents of the invention [0003] The...
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IPC IPC(8): B62D5/06B62D7/14B62D7/16
CPCB62D5/06B62D7/14B62D7/16
Inventor 张亚杨程杨楠
Owner AEROSPACE HEAVY IND