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Steering arrangement for vehicles

A steering gear and vehicle technology, applied to vehicle components, steering mechanisms, steering rods, etc., can solve problems such as insufficient steering angle compensation, tire wear, etc.

Inactive Publication Date: 2013-06-19
SANDVIK MINING & CONSTR OY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Although expensive lever mechanisms are used, the steering angle compensation between the inner wheel and the outer wheel is only insufficiently compatible with Ackermann's steering law, so that the ground still prevails in underground operation Conditions where very severe tire wear was observed

Method used

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  • Steering arrangement for vehicles
  • Steering arrangement for vehicles
  • Steering arrangement for vehicles

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0020] exist figure 1 In , a transport vehicle 1 can be seen, whose driven wheels are marked with 2 . Near the front end of the transport vehicle 1 can be seen a vehicle lifting device denoted 3 . Parts of the energy supply system and in particular the electrical box are identified with 4 . The driving device of conveyor chain or conveyor belt can also be seen beside cab 5 (it is in figure 2 7 to identify) parts 6. The material is fed through the figure 2 This is achieved with the feed chute 8 that can be seen in .

[0021] exist image 3 The supporting structures 9 for the wheels 2 and parts of the steering gear that cause the steering can be seen in each case. Next to the steering link 10 (the steering link 10 acts eccentrically on the bearing point 11 of the wheel suspension) at image 3 In particular the steering levers 12 and 13 can be seen. The steering levers 12 are each designed as a single-arm lever and are pivotable about an axis 14 . A coupling rod is ide...

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PUM

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Abstract

In a steering arrangement for vehicles, in particular underground transport vehicles, including at least four steerable wheels (2), wherein, during cornering, a respective curve-inner wheel is turned more sharply than the respective curve-outer wheel, at least two wheels (2) located opposite each other in respect to the longitudinal center plane of the vehicle are coupled with each other via angle levers (21) and a tie rod (22) connected to the angle levers (21). Curve-inner or curve-outer wheels consecutively arranged in the longitudinal direction of the vehicle are coupled to common pivotal movement via a gear. The angle levers (21), via a coupling rod (24), are each connected with a steering lever (13) each connected with a steerable wheel (2) via a steering rod (10).

Description

technical field [0001] The invention relates to a steering gear assembly (Lenkeranordnung) for vehicles, in particular for underground Transport vehicles with at least four steerable wheels (lenkbaren ), wherein when driving in a curve (Kurvenfahrt), the wheels on the inside of the respective curve deflect more strongly than the wheels on the respective outside of the curve. Background technique [0002] Underground transport vehicles, and in particular so-called "shuttle mine cars", are used only with mechanical steering systems, wherein the Ackermann steering law (Ackermann-Lenkprinzip) cannot be fully achieved in each case The optimal steering geometry (Lenkgeometrie) for . Ackermann's steering law defines an optimal steering geometry in which the extensions of all wheel axes meet at a common steering center when driving in a curve. Based on this geometrical consideration, it follows that the wheels on the inside of the curve must deflect more strongly than the wheel...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B62D7/14
CPCB62D7/142
Inventor E·克里维克T·格罗斯
Owner SANDVIK MINING & CONSTR OY