Dynamic Postural Stability Testing During Standup Forklift (Lift Truck) Operation

Harris, Gerald F.; DeRosia, John

doi:10.1115/imece2003-43174

Cited by 6 publications

(2 citation statements)

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“…Previous studies have examined the issue of longitudinal acceleration and deceleration and found the acceleration levels to cause loss of balance. 1,2 Another injury mechanism that can occur to the lower limb of a stand up lift truck can occur due to intrusion into the operator compartment of the truck. When forklifts are traveling in queue, in a forks leading manner, and the following forklift fails to decelerate at the same time as the lead forklift, the forks on the trailing forklift can intrude into the operator compartment of the lead forklift.…”

Section: Figurementioning

confidence: 99%

Forensic Engineering Assessment Of Safety For Stand Up Forklifts

Ziernicki¹,

Benjamin²

2008

JotNAFE

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Forklifts Operated From A Stand Up Position Rather Than A Seated Position Offer A Significant Advantage To Increase Warehouse Capacity. Stand Up Lift Trucks Can Be Operated In Warehouse Aisles As Narrow As 8 Feet. In Contrast, Traditional Sit Down Lift Trucks Typically Require Aisles Approximately 11 Feet Wide. This Paper Will Detail The Hazards Of Horizontal Intrusion And Lower Limb Injury For The Operators Of Stand Up Lift Trucks, Review Standards Related To Operator Protection Against Horizontal Intrusion And Lower Limb Injury, Summarize A Safety Engineering Analysis Of The Stand Up Lift Truck Design Including Guarding To Mitigate The Hazards, And Present Three Cases Tried To Jury Verdict Regarding Injury Accidents On Stand Up Lift Trucks.

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Section: Figurementioning

confidence: 99%

Forensic Engineering Assessment Of Safety For Stand Up Forklifts

Ziernicki¹,

Benjamin²

2008

JotNAFE

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“…As one of the most common field (factory) special motor vehicles [1] , forklift brings the flexibility, efficiency and convenience to the warehouse, wharf cargo handling, stacking, short distance transportation and other production operations on one hand [2][3][4][5] . On the other hand, because of short driving distance, workload, stating& braking frequently, not standardized management, prominent safety problem and any effective maintenance or replacement for the mechanical failure timely, it often causes such goods dumped or vehicle rollover accidents [6,7] .…”

Section: Introductionmentioning

confidence: 99%

Typical Faults Analysis and Treatment Measures for Forklifts

Liu¹,

Huang

Wang

2014

AMM

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In order to study the typical fault types of Field (Factory) Special Motor Vehicle in the inspection process, we visited many warehouses and wharves in Huangpu District for inspection research, then summarizedthe typical failure modesand took its failure causes and treatment measures for key research. First, wemade statistics and summarized the failure law according to the typical fault types among the old vehicles of annual test. Then we analyzed the concrete manifestation and summarized the failure causes from the braking performance, knuckle mechanic, tire wear, fork loose and other failures of forklift. Then we aimed at the new vehicles of test and acceptance of fault type for statistical analysis. Finally, weformulate corresponding measures according to different fault types. As the result of Inspection and investigation showed, the failure rate of electric forkliftreaches to 1.3% as the failure rate of diesel forklift is to 10.7%; the market share of electric forklift of test and acceptance rose from 41.6% to 78.3% compared with electric forklift of annual test. Braking deviation oflinear acceleration is the most typical fault type of forklift; electric forklift make more excellent performance than diesel forklift on key parameterssuch as braking; forward forklift easily has rollover accidents.

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Biomechanical model to assess injury reduction during impact

Meyer

Fritz

Harris

2009

2009 Annual International Conference of the IEEE Engineering in Medicine and Biology Society

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This paper implements a biomechanical model and actual tipover trajectory data to assess the risk of head and neck injuries in standup forklift accidents. Seven accident scenarios were analyzed for right tipover, left tipover and off-dock accidents both with and without a door on the operator compartment. Each model had specific data including human anthropometry and trajectory input into the modeling and analysis software packages, Visual-Safe MAD and MADYMO. For all three accident scenarios, each of the seven biomechanical models was analyzed for Injury Assessment Reference Values (IARVs) including angular velocity (omega, omega), angular acceleration (alpha, alpha), Head Injury Criterion (HIC), Neck Injury Criterion--shear, tension and bending (NIC) and the biomechanical Neck Injury Predictor (N(ij)). The study concluded that, in general, the addition of a door to the standup forklift operator compartment leads to a reduction in injury during tipover and off-dock accidents. The ability to brace for impact is not included in these MADYMO models. Bracing is far more effective with an enclosed compartment provided by a latching rear door.

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Dynamic Postural Stability Testing During Standup Forklift (Lift Truck) Operation

Cited by 6 publications

References 0 publications

Forensic Engineering Assessment Of Safety For Stand Up Forklifts

Forensic Engineering Assessment Of Safety For Stand Up Forklifts

Typical Faults Analysis and Treatment Measures for Forklifts

Biomechanical model to assess injury reduction during impact

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