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Overturn control method, device, system and construction machinery

A technology of construction machinery and control methods, applied in safety devices, cranes, transportation and packaging, etc., can solve problems such as difficulty in accurately determining

Active Publication Date: 2019-04-02
XCMG CONSTR MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The basis for judging dangerous working conditions of this technology is whether the vehicle angle exceeds the limit, but it is difficult to accurately determine the specific limit value

Method used

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  • Overturn control method, device, system and construction machinery
  • Overturn control method, device, system and construction machinery
  • Overturn control method, device, system and construction machinery

Examples

Experimental program
Comparison scheme
Effect test

no. 1 Embodiment

[0312] The first specific embodiment (straight arm type truck-mounted crane)

[0313] This embodiment is directed to a tilting control method, device and system for a straight-arm truck-mounted crane with a 6×4 chassis, a five-section telescopic boom and no rear outrigger. Figure 21 It is a schematic diagram of the installation position of the parameter sensor in the first specific embodiment of the present invention. Figure 22 It is a schematic diagram of the rollover control system in the first specific embodiment of the present invention.

[0314] In this embodiment, the tipping control system of the straight arm truck-mounted crane includes a parameter sensor, a tipping control device 4 and an alarm device.

[0315] In this embodiment, the parameter sensors specifically include an outrigger length sensor 1, an angle sensor 2 and an oil pressure sensor 3, wherein, as Figure 21 As shown, the outrigger length sensor 1 is installed on the head of the basic arm and the end...

no. 2 Embodiment

[0400] The second specific embodiment (knuckle-arm type truck-mounted crane)

[0401] This embodiment is directed to a tilting control method, device and system for a knuckle-arm truck-mounted crane with a 6×4 chassis, a six-section telescopic boom, and no rear outrigger. Figure 26 It is a schematic diagram of the installation of the parameter sensor in the second specific embodiment of the present invention. Figure 27 It is a schematic diagram of the rollover control system in the second specific embodiment of the present invention.

[0402] In this embodiment, the tipping control system of the knuckle-boom truck-mounted crane includes a parameter sensor, a tipping control device 5 and an alarm device.

[0403] In this example, if Figure 27 As shown, the parameter sensors specifically include an outrigger length sensor 1 , a rotation angle sensor 2 , two inclination sensors 3 , and an oil pressure sensor 4 .

[0404] Such as Figure 26 As shown, the outrigger length se...

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Abstract

The invention discloses a tipping control method, device, system and engineering machinery. The method includes: determining a current tipping determination line of the construction machine, wherein the current tipping determination line includes at least one of the tipping lines of the construction machine, and the tipping line is a connection line between various support points of the construction machine; Determine the current overturning coefficient of the construction machinery relative to the current overturning judgment line; by comparing the current overturning coefficient with the overturning warning threshold, it is judged whether the construction machinery is in a state of overturning danger. The present invention can promptly and effectively remind the driver to drive carefully and reduce the possibility of rollover accidents; at the same time, the present invention is easy to operate and reliable in control, and the driver can grasp the support state of the vehicle in real time through the present invention, and can better perceive the vehicle, thereby Better control the vehicle and avoid danger.

Description

technical field [0001] The invention relates to the field of construction machinery, in particular to a method, device, system and construction machinery for overturning control. Background technique [0002] As a kind of flexible and convenient construction machinery, truck-mounted cranes are widely used in stations, warehouses, docks, construction sites, field rescue and other places. [0003] When the truck-mounted crane is working, the outriggers and tires share the loading and hoisting load. There are many support points, and there is a problem of rigid-flexible joint support, and the total weight of the vehicle and the position of the center of gravity will change according to the loading status of the vehicle. , Therefore, it is difficult to obtain its specific rollover stability performance from the theoretical aspect. However, truck-mounted cranes usually need to carry out long-arm working conditions. When the hoisting weight is large, if the operator blindly lifts...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B66C15/00
CPCB66C23/42B66C23/44
Inventor 赵云亮陆永能
Owner XCMG CONSTR MACHINERY
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