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Method for determining the probability of a handling truck's tipping over

A means of transportation, a possible technology, applied in the direction of hoisting devices, lifting equipment safety devices, etc., can solve the problems of high tipping danger, reduced tipping stability, etc.

Inactive Publication Date: 2013-02-06
ROBERT BOSCH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There is a potentially high risk of toppling over when a load is applied, when driving, and especially on inclined road surfaces, because the overall center of gravity of the FLT is shifted violently by the load on the lifting forks and the static and Dynamic rollover stability can be significantly reduced during driving, which is not always foreseeable for the driver

Method used

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  • Method for determining the probability of a handling truck's tipping over
  • Method for determining the probability of a handling truck's tipping over
  • Method for determining the probability of a handling truck's tipping over

Examples

Experimental program
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Embodiment Construction

[0018] figure 1 A counterbalanced truck 1 (hereinafter also referred to as FLT) is schematically shown from the side with a driver's cab 2 , a chassis with a front axle 4 , a steerable rear axle 6 such as a pivot axle, and a chassis arranged on the Counterweight 8 in area 6 of the rear axle. As mentioned above it is assumed here that the coordinate origin is in the center of the front axis, where in figure 1 The resulting coordinate axes x, y and z are plotted in .

[0019] On the front side of the FLT, a lifting frame 10 with a lifting mast 14 which can be tilted about a tilting axis 12 is supported. The adjustment of the inclination angle a of the lifting rod 14 is carried out by a tilting device having, for example, two tilting cylinders 16 , and the tilting cylinders are fixed on the vehicle frame and the lifting rod 14 in a hinged manner. Lifting forks 17 are displaceably guided on the frame-like lifting rod, wherein the lifting height h G It can be adjusted by means ...

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PUM

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Abstract

The invention relates to a method for determining the probability of a handling truck's (1) tipping over, said handling truck comprising at least three wheels, the normal force (FZVL, FZHL) acting in the z direction being determined for at least two wheels in each case, at least two normal forces (FZVL, FZHL) being compared and the probability of the handling truck's (1) tipping over being determined on the basis of the comparison result.

Description

technical field [0001] The invention relates to a method for determining the tipping potential of a ground vehicle, such as a forklift. Background technique [0002] Forklift trucks (so-called FLT, English: Fork-Lift-Truck) of different manufacturers are constructed very similarly with respect to the chassis. Predominant are the front axle drive with the front axle fixedly mounted on the body, the rear axle steering with the oscillating axle and the almost complete abandonment of the suspension (only the tires have elastic properties). The steering system is generally designed as a hydrostatic steering system, ie the steering wheel angle is transferred to the wheel steering angle via hydraulic connecting elements. Lifting rods with lifting forks are mounted in front of the front axles, between which the driver sits. The driving device of the FLT not only generates the driving torque, but also generates the braking torque through the power train. Common brakes acting on al...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66F9/24B66F17/00
CPCB66F9/07559B66F17/003B66F9/24
Inventor M.格德斯S.奥特贝因R.贝克C.施密特M.古斯特曼
Owner ROBERT BOSCH GMBH