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A tower crane inclination acquisition and tipping warning line setting method

A collection method and warning line technology, applied to cranes and other directions, can solve problems such as safety accidents, high center of gravity of tower cranes, no tower crane overturning warning line method and application, etc.

Active Publication Date: 2016-07-06
SHANDONG FUYOU TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the large structure of the tower crane, the harsh working environment, the large workload, and the high center of gravity of the tower crane, the tower crane is more dangerous than other lifting equipment during work.
Once a tower crane overturning accident occurs, it will seriously endanger the health and life safety of the tower crane operators and related personnel, and even the innocent people around, and easily cause safety accidents.
At present, there is neither a tower crane body inclination angle data set specially used for tower crane tipping warning lines, nor a method and application for setting tower crane tipping warning lines

Method used

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  • A tower crane inclination acquisition and tipping warning line setting method
  • A tower crane inclination acquisition and tipping warning line setting method

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Such as figure 1 shown.

[0039] Existing tower cranes include a boom and a tower crane body, a boom is arranged on the top of the tower crane body, and the tower crane body includes four main limbs of the tower body; set a tower crane tower The three-dimensional coordinate system of the body, the origin O is the center point of the fixed section of the tower body on the ground, the positive direction of the coordinate axis X is the north direction of the ground, the positive direction of the coordinate axis Y is the west direction of the ground, and the positive direction of the coordinate axis Z is vertical to the ground upward; , the inclination angle data of the tower crane body includes θ x and θ y , the θ x is the angle between the tower body of the tower crane and the Z axis in the XZ plane, the θ y is the angle between the tower body of the tower crane and the Z axis in the YZ plane.

[0040] A method for collecting inclination angles for tower crane tippin...

Embodiment 2

[0054] Such as figure 2 shown.

[0055] A kind of method that utilizes the inclination angle of tower crane collected as described in embodiment 1 to set up the method for tower crane overturning warning line, establishes the two-dimensional coordinate system of tower crane tower body inclination angle, with tower crane tower body in XZ plane and Z axis The included angle θx of the tower crane body is the abscissa, and the angle θy between the tower body of the tower crane in the YZ plane and the Z axis is the ordinate; the data of the inclination angle of the 8 groups of tower crane bodies collected above are plotted in the form of point coordinates on In the tower crane tower body inclination angle coordinate system; in the above-mentioned tower crane tower body inclination angle coordinate system, draw the envelope of the 8 point coordinates according to the prior art, within the envelope is The tilting safe area of ​​the tower crane when the tower body is in normal opera...

Embodiment 3

[0057] The method for setting the tipping warning line of the tower crane as described in Embodiment 2, the difference is that the envelope is a rectangle, and the drawing process is as follows:

[0058] (1) In the two-dimensional coordinate system of the tower body inclination angle of the tower crane, the left side of the rectangle is drawn with the minimum value of the abscissa θx among the 8 coordinate points and perpendicular to the abscissa; the maximum value of the abscissa θx among the 8 coordinate points Value point, and perpendicular to the right side of the abscissa to draw the rectangle; pass the minimum value point of the ordinate θy among the 8 coordinate points, and draw the lower side of the rectangle perpendicular to the ordinate; pass the maximum value point of the ordinate θy among the 8 coordinate points, and Draw the upper side of the rectangle perpendicular to the ordinate;

[0059] (2) Multiply the rectangle drawn in step (1) by a coefficient K to expand...

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Abstract

The invention relates to a tipping angle collecting method for setting a tipping warning line of a tower crane. The method comprises the following steps of respectively collecting dip angle data of a tower crane body corresponding to multiple positions in one rotating circle of a cargo boom when the tower crane is in rated-load state and no-load state. The invention relates to a method for setting a tipping warning line of the tower crane by utilizing the method to collect the tipping angle of the tower crane. The method comprises the following steps of drawing an enveloping line of point coordinates according to the existing technology, wherein the area in the enveloping line is the tipping safety area of the tower crane body when the tower crane body is in work, and the enveloping line is the tipping warning line of the tower crane. The tipping warning line of the tower crane already contains the safety working area of the tower crane in the working state, so that the tower crane cannot exceed the warning line under the normal situation; when an abnormal situation occurs, the tower crane exceeds the tipping warning line when the cargo boom does not rotate to a position right above a main limb of the tower crane body, so that the alarming condition includes but is not limited to the situation that the dipping angle of one limb exceeds the range or the dipping angle on four main limbs exceeds the range.

Description

technical field [0001] The patent of the present invention relates to an inclination acquisition method for setting tower crane tipping warning lines, a method and application of tower crane tipping warning line setting, and belongs to the technical field of hoisting machinery safety. technical background [0002] Tower crane is one of the important construction machinery used in modern industry and civil engineering. Because of its high lifting height, large lifting weight and wide working range, it has been widely used in high-rise construction projects. Due to the large structure of the tower crane, the harsh working environment, the large workload, and the high center of gravity of the tower crane, the tower crane is more dangerous than other lifting equipment during work. Once a tower crane tipping accident occurs, it will seriously endanger the health and life safety of tower crane operators and related personnel, and even innocent people around, and easily cause safet...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B66C23/88
Inventor 宋世军李楠楠刘健康乔彩风王通
Owner SHANDONG FUYOU TECH CO LTD
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