CN111709091A - Visual field checking method for mining dump truck - Google Patents
Visual field checking method for mining dump truck Download PDFInfo
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- CN111709091A CN111709091A CN202010567522.5A CN202010567522A CN111709091A CN 111709091 A CN111709091 A CN 111709091A CN 202010567522 A CN202010567522 A CN 202010567522A CN 111709091 A CN111709091 A CN 111709091A
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- 230000004048 modification Effects 0.000 claims description 16
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- 238000010998 test method Methods 0.000 claims description 3
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Abstract
A visual field checking method for a mining dump truck comprises the steps of guiding a three-dimensional model of the mining dump truck into a visual field analysis platform; calling the driver in the driving position; then, a reference surface is made on the three-dimensional model; dividing a visual field area according to a standard; and finally, drawing lines in the three-dimensional model according to the visual field range seen by the eyes of the sitting position three-dimensional model of the 50 th percentile male, comparing the lines with the boundaries of the visual field, and checking whether the visual field requirements are met. The analysis of the oblique visual field of the three-dimensional model visual field check is more visual and clearer than that of a two-dimensional graph, and whether the visual field meets the requirements or not can be easily judged; after the visual field check is finished, if the visual field does not meet the standard requirement, the visual field check three-dimensional model can be directly modified until the visual field check meets the visual field requirement, and the step of three-dimensional derivation two-dimensional repeated check in the two-dimensional graph visual field check is omitted.
Description
Technical Field
The invention relates to a mining dump truck, in particular to a visual field checking method for the mining dump truck.
Background
The existing visual field checking method for the mining dump truck comprises the following steps: the three-dimensional model is exported to be a two-dimensional graph, then the view check is carried out on the two-dimensional graph, only the view of a single angle can be checked in the two-dimensional graph, the modification suggestion is given after the check is finished, and then the modification is carried out on the three-dimensional model according to the modification suggestion. The disadvantages of this method are: the oblique view is difficult to check by checking the view of the two-dimensional graph, the views in the left front and the right front are difficult to check, the two-dimensional graph needs to be changed on the three-dimensional model after a modification suggestion is given after checking, and the two-dimensional graph is repeatedly led out to check the view after the three-dimensional model is changed.
Disclosure of Invention
The invention aims to provide a visual field checking method for a mining dump truck, and overcomes the defects that an oblique visual field is difficult to analyze, and a two-dimensional graph is repeatedly derived for multiple times of checking after being modified according to a modification suggestion.
In order to solve the technical problems, the technical scheme of the invention is as follows: a visual field checking method for a mining dump truck comprises the following steps:
(1) firstly, guiding a three-dimensional model of the mining dump truck into a visual field analysis platform;
(2) then, a sitting posture three-dimensional model of a 50 th percentile male is called and is seated at the driving position of a driver of the mining dump truck;
(3) then, taking the tire bottom tangent plane as a reference plane as the actual ground; drawing a circle with the diameter of 24m on the reference plane by taking the point of the central point of the human eye vertically projected to the reference plane as the center of the circle;
(4) dividing a A, B, C, D, E, F area of a visual field and a 1m boundary rectangle on a reference plane according to the requirements of a visual field test method and a performance criterion of an earthwork mechanical driver 2010 GB/T169937-;
(5) and finally, marking the visual field range seen by the eyes of the sitting posture three-dimensional model of the 50 th percentile male in the three-dimensional model, comparing the visual field range with the boundary of the visual field, and checking whether the visual field requirement is met.
As an improvement, the visual field analysis platform is three-dimensional drawing software.
As an improvement, the area a is a field range, the area B is a left front field range, the area C is a right front field range, the area D is a left rear field range, the area E is a right rear field range, the area F is a rear field range, and the 1m bounding rectangle is a rectangular range formed by the mining dump truck outside 1 meter of the vehicle width.
And as improvement, if the vision field requirement is not met, giving a modification suggestion according to the checking result, directly modifying the three-dimensional model according to the modification suggestion, and directly performing comparative analysis according to the first checking result without rechecking after the modification is finished.
As an improvement, the proposal of the modification includes moving away the blocking member or modifying the size of the shielding member.
As an improvement, before the visual field is checked, a three-dimensional model of the mining dump truck to be tested needs to be established in advance.
Compared with the prior art, the invention has the following beneficial effects:
the analysis of the oblique visual field of the three-dimensional model visual field check is more visual and clearer than that of a two-dimensional graph, and whether the visual field meets the requirements or not can be easily judged; after the visual field check is finished, if the visual field does not meet the standard requirement, the visual field check three-dimensional model can be directly modified until the visual field check meets the visual field requirement, and the step of three-dimensional derivation two-dimensional repeated check in the two-dimensional graph visual field check is omitted.
Drawings
FIG. 1 is a schematic diagram of a three-dimensional model of a mining dump truck with a human body model imported.
FIG. 2 is a schematic diagram of the requirements of the visual field standard.
Fig. 3 is a front view check diagram.
FIG. 4 is a schematic view of a two-sided view check.
FIG. 5 is a schematic diagram of oblique view checking.
FIG. 6 is a diagram of comprehensive visual field verification.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
A three-dimensional visual field checking method for a mining dump truck comprises the following steps:
(1) before checking the visual field, utilizing three-dimensional drawing software to pre-establish a three-dimensional model of the mining dump truck to be tested; the three-dimensional drawing software can be AutoCAD, 3dmax, UG, SolidWorks, Pro/E and the like;
(2) as shown in fig. 1, importing a three-dimensional model of a certain mining dump truck into three-dimensional drawing software serving as a visual field analysis platform;
(3) then, calling a sitting posture three-dimensional model of a 50 th percentile male, sitting on a driver driving position of a certain mining dump truck, and equivalently, sitting on the driving position to drive the truck;
(4) then, taking a tire bottom tangent plane as a reference plane as the actual ground, taking a point of a central point (the center of a filament position in the standard) of a human eye vertically projected to the reference plane (ground) as the center of a circle, and drawing a circle with the diameter of 24m on the reference plane;
(5) as shown in fig. 2, dividing a A, B, C, D, E, F area of a visual field and a 1m boundary rectangle according to the requirements of the visual field test method and performance criteria of earthwork mechanical driver 2010 GB/T16997 on a reference plane, and determining the boundary of the visual field; the area A is a visual field range, the area B is a left front visual field range, the area C is a right front visual field range, the area D is a left rear visual field range, the area E is a right rear visual field range, the area F is a rear visual field range, and the 1m boundary rectangle is a rectangular range formed by the mining dump truck outside 1m in width;
(6) as shown in fig. 3 to 6, the visual field range seen by the eyes of the three-dimensional model of the sitting posture of the 50 th percentile male is marked by drawing lines in the three-dimensional model, and compared with the boundary of the visual field to check whether the visual field requirement is met; each field of view needs to be checked separately and the three-dimensional model is rotated to the corresponding view angle, such as: when the current visual field is checked, the three-dimensional model needs to be rotated to a side view of the mining dump truck; when the two side views are checked, the three-dimensional model needs to be rotated to the front view of the mining dump truck; when the oblique view field is checked, the three-dimensional model needs to be rotated to a bearing view of the mining dump truck; when the comprehensive vision field is checked, the three-dimensional model needs to be rotated to the top view of the mining dump truck.
(7) If the vision field requirement is not met, giving a modified suggestion according to the checking result, wherein the modified suggestion comprises moving away the blocking component or modifying the size of the shielding component; according to the modification suggestion, the three-dimensional model can be directly modified, the three-dimensional model does not need to be checked again after the modification is finished, and the comparison analysis can be directly carried out according to the result of the first check.
The analysis of the oblique visual field of the three-dimensional model visual field check is more visual and clearer than that of a two-dimensional graph, and whether the visual field meets the requirements or not can be easily judged; after the visual field check is finished, if the visual field does not meet the standard requirement, the visual field check three-dimensional model can be directly modified until the visual field check meets the visual field requirement, and the step of three-dimensional derivation two-dimensional repeated check in the two-dimensional graph visual field check is omitted.
Claims (6)
1. The visual field checking method for the mining dump truck is characterized by comprising the following steps of:
(1) firstly, guiding a three-dimensional model of the mining dump truck into a visual field analysis platform;
(2) then, a sitting posture three-dimensional model of a 50 th percentile male is called and is seated at the driving position of a driver of the mining dump truck;
(3) then, taking the tire bottom tangent plane as a reference plane as the actual ground; drawing a circle with the diameter of 24m on the reference plane by taking the point of the central point of the human eye vertically projected to the reference plane as the center of the circle;
(4) dividing a A, B, C, D, E, F area of a visual field and a 1m boundary rectangle on a reference plane according to the requirements of a visual field test method and a performance criterion of an earthwork mechanical driver 2010 GB/T169937-;
(5) and finally, marking the visual field range seen by the eyes of the sitting posture three-dimensional model of the 50 th percentile male in the three-dimensional model, comparing the visual field range with the boundary of the visual field, and checking whether the visual field requirement is met.
2. The mining dump truck vision field checking method according to claim 1, characterized in that: the visual field analysis platform is three-dimensional drawing software.
3. The mining dump truck vision field checking method according to claim 1, characterized in that: the area A is a visual field range, the area B is a left front visual field range, the area C is a right front visual field range, the area D is a left rear visual field range, the area E is a right rear visual field range, the area F is a rear visual field range, and the 1m boundary rectangle is a rectangular range formed by the mining dump truck outside 1m in width.
4. The mining dump truck vision field checking method according to claim 1, characterized in that: if the vision field requirement is not met, a modification suggestion is given according to the checking result, modification is directly carried out on the three-dimensional model according to the modification suggestion, re-checking is not needed after modification is finished, and comparison analysis is directly carried out according to the first checking result.
5. The mining dump truck vision field checking method according to claim 4, characterized in that: the modification proposal includes moving away the blocking component or modifying the size of the shielding component.
6. The mining dump truck vision field checking method according to claim 1, characterized in that: before visual field check, a three-dimensional model of the mining dump truck to be tested needs to be established in advance.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010567522.5A CN111709091A (en) | 2020-06-19 | 2020-06-19 | Visual field checking method for mining dump truck |
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| CN202010567522.5A CN111709091A (en) | 2020-06-19 | 2020-06-19 | Visual field checking method for mining dump truck |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007241398A (en) * | 2006-03-06 | 2007-09-20 | Hitachi Constr Mach Co Ltd | Vision field analysis device for vehicle |
| CN107449617A (en) * | 2017-08-11 | 2017-12-08 | 西华大学 | A kind of method of automobile ergonomics view verification |
| CN110674594A (en) * | 2019-10-17 | 2020-01-10 | 吉林大学 | Ergonomic-based method for analyzing cab of compound-number motor train unit |
| JP2020042734A (en) * | 2018-09-13 | 2020-03-19 | スズキ株式会社 | Visibility evaluation system |
-
2020
- 2020-06-19 CN CN202010567522.5A patent/CN111709091A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007241398A (en) * | 2006-03-06 | 2007-09-20 | Hitachi Constr Mach Co Ltd | Vision field analysis device for vehicle |
| CN107449617A (en) * | 2017-08-11 | 2017-12-08 | 西华大学 | A kind of method of automobile ergonomics view verification |
| JP2020042734A (en) * | 2018-09-13 | 2020-03-19 | スズキ株式会社 | Visibility evaluation system |
| CN110674594A (en) * | 2019-10-17 | 2020-01-10 | 吉林大学 | Ergonomic-based method for analyzing cab of compound-number motor train unit |
Non-Patent Citations (1)
| Title |
|---|
| 刘灿 等: ""大型双层城市客车的驾驶员后视野校核"" * |
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Application publication date: 20200925 |
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