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Forklift transverse stability control method and electronic control system thereof

A technology of lateral stability and control method, applied in the direction of the lifting device, etc., can solve the problems of the forklift supporting plane and the driving plane not overlapping, lateral instability, rollover, etc., so as to reduce the possibility of forklift rollover and improve the lateral stability. and the effect of active safety

Active Publication Date: 2015-09-23
HEFEI UNIV OF TECH
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AI Technical Summary

Problems solved by technology

Although the hinge connection method of the forklift improves the flexibility of the forklift operation and the stability of the vehicle body when passing through concave and convex roads, but due to the inclination angle of the support plane, the frame swings, so that the support plane of the forklift does not coincide with the driving plane. When turning, it is prone to lateral instability or even rollover due to the influence of centrifugal force, causing potential safety hazards for operators and cargo

Method used

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  • Forklift transverse stability control method and electronic control system thereof
  • Forklift transverse stability control method and electronic control system thereof
  • Forklift transverse stability control method and electronic control system thereof

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Embodiment Construction

[0017] Such as image 3 Shown, a kind of forklift lateral stability control method, comprises the following steps:

[0018] 1) Use the on-board sensor to collect the attitude parameters, motion parameters and power parameters of the forklift;

[0019] 2) Calculate the size of the rollover moment produced by the centrifugal force according to the parameters collected in step 1), and the size of the stabilizing moment produced by the center of gravity force of the forklift;

[0020] 3) Compare the rollover moment calculated in step 2) with the size of the stabilizing moment, and grade the forklift truck roll degree according to the comparison result;

[0021] 4) According to the roll level determined in step 3), adopt a lateral stability hierarchical control strategy for the forklift, the lateral stability hierarchical control strategy includes: figure 1 , 2 As shown, control the oil pressure of the left and right locking cylinders B1 and B2 of the frame and the axle to adjus...

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Abstract

The invention belongs to the technical field of the forklift stability control, and particularly relates to a forklift transverse stability control method and an electronic control system thereof. By means of the method, forklift collapsing postures can be judged and classified, and the basis can be provided for forklift transverse stability classification control; by means of the method, through the collapsing classification transverse stability control strategy, different transverse stability control strategies are adopted according to different forklift collapsing grades, the forklift collapsing posture adjustment and forklift collapsing probability reduction are achieved, and the transverse stability and active safety of a forklift are improved. The method and the electronic control system are suitable for three-point supporting type forklifts of various types.

Description

technical field [0001] The invention belongs to the technical field of forklift stability control, and in particular relates to a forklift lateral stability control method and an electric control system thereof. Background technique [0002] With the development of market economy, the status and role of logistics are becoming more and more important. As the main transportation tool in the field of logistics, forklift has the characteristics of strong lifting capacity and flexible operation, and its penetration rate is getting higher and higher, covering all walks of life in the national economy. [0003] The front part of the forklift is equipped with a working device for loading and unloading. The front wheel is a driving wheel, and the rear wheel is a steering wheel. It adopts a double trapezoidal steering mechanism. There is a hinge point in the middle of the steering axle to connect with the vehicle frame, and the vehicle frame can swing up and down relative to the stee...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66F9/075
CPCB66F9/075
Inventor 夏光黄帅涂波涛吴恵汪韶杰孙保群林澍
Owner HEFEI UNIV OF TECH
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