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Landing leg unfolding distance detection method and system and engineering equipment
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A technology of distance detection and engineering equipment, which is applied in the field of outrigger deployment distance detection method and system and engineering equipment, can solve the problems of high application cost, failure to implement, and limit the range of pump truck distribution, etc., to achieve cost control and accurate detection Effect
Pending Publication Date: 2022-04-29
SANY AUTOMOBILE MFG CO LTD +1
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Problems solved by technology
In actual working conditions, due to site constraints, the outriggers cannot be fully expanded. Taking the pump truck as an example, the current practical application of the pump truck basically uses proximity switches to judge whether the outriggers are fully expanded. If the outriggers of the pump truck are not fully expanded, Under the premise of ensuring safety, the distribution range of pump trucks will be greatly limited. In addition, some manufacturers have tried to use rotary encoders to detect the deployment distance of outriggers, but due to high application costs, they have not been implemented yet.
Method used
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Embodiment 1
[0028] Such as figure 1 Shown, a kind of outrigger spread distance detection method, comprises the following steps:
[0029] S100, preset the characteristic mark A on the outrigger 3, when the outrigger 3 is unfolded, collect the data containing the characteristic mark A on the outrigger 3 through the visual sensor 1, so as to obtain the distance L of the outrigger 3 1 , wherein, the characteristic mark A on the outrigger 3 will change with the expansion of the outrigger 3;
[0030] S200, preset the characteristic mark B on the outrigger 3, when the outrigger 3 is unfolded, collect the data containing the characteristic mark B on the outrigger 3 through the visual sensor 1, so as to obtain the distance L of the outrigger 3 2 , wherein, the characteristic mark B on the outrigger 3 will change with the expansion of the outrigger 3;
[0031] S300, based on distance L 1 and the distance L 2 Determine the distance that outrigger 3 is spread out.
Embodiment 2
[0033] Such as figure 1 As shown, the present embodiment is a further optimization carried out on the basis of embodiment 1, which is specifically as follows:
[0034] S100 mainly involves data acquisition, measurement and calculation. In S100, the visual sensor 1 is used to collect the data containing the characteristic mark A on the outrigger 3, wherein the collected data can be an image or video, and then extract the characteristic mark A in the data, measure The distance between the feature mark A and the visual sensor 1, and then calculate the distance L extended by the outrigger 3 according to the distance value 1 , usually, the position of the visual sensor 1 is fixed, and the setting position of the feature mark A on the leg 3 is fixed. When both are fixed, and the distance between the feature mark A and the visual sensor 1 is known by measurement, it can be Calculate the distance L extended by the outrigger 3 1 .
[0035] Furthermore, the measurement involved in S1...
Embodiment 3
[0037] Such as figure 1 As shown, the present embodiment is a further optimization carried out on the basis of embodiment 2, which is specifically as follows:
[0038] The feature mark A is preferably located on the support base 320 of the leg 3, and the feature mark A can be the body of the support base 320, or other feature marks of the mark, such as patterns, mark points or markers.
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Abstract
The invention relates to a supporting leg unfolding distance detection method and system and engineering equipment, and the method comprises the following steps: presetting a feature identifier A on a supporting leg, and collecting the data containing the feature identifier A on the supporting leg through a visual sensor, so as to obtain the unfolding distance L1 of the supporting leg; presetting a feature identifier B on the supporting leg, and collecting data containing the feature identifier B on the supporting leg through a visual sensor to obtain an unfolded distance L2 of the supporting leg; and determining the unfolding distance of the supporting leg based on the distance L1 and the distance L2. The landing leg unfolding distance detectionsystem comprises a visual sensor which is used for collecting an image, containing a feature identifier A and a feature identifier B, of a landing leg; and the controller is used for receiving the image data acquired by the visual sensor and determining the unfolding condition of the supporting legs according to the acquired image data. The engineering equipment comprises the landing leg unfolding distance detectionsystem. The dual-redundancy detection is realized, the detection is more accurate and reliable, and the cost is effectively controlled on the premise of ensuring the reliability.
Description
technical field [0001] The invention relates to the field of engineering equipment, in particular to a method and system for detecting the deployment distance of outriggers and engineering equipment. Background technique [0002] When large-scale mechanical equipment is performing engineering operations, it usually requires specific support devices to support it, especially engineering equipment with booms, especially engineering equipment with long booms, high center of gravity and shifting center of gravity during construction operations, including concrete pumps For vehicles, cranes, etc., outriggers are usually used to ensure a stable and sufficient support span to avoid risks such as rollover of the equipment. In actual working conditions, due to site constraints, the outriggers cannot be fully expanded. Taking the pump truck as an example, the current practical application of the pump truck basically uses proximity switches to judge whether the outriggers are fully exp...
Claims
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Application Information
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