CN111121682A - Dummy positioning device and method for trolley - Google Patents
Dummy positioning device and method for trolley Download PDFInfo
- Publication number
- CN111121682A CN111121682A CN201911149610.7A CN201911149610A CN111121682A CN 111121682 A CN111121682 A CN 111121682A CN 201911149610 A CN201911149610 A CN 201911149610A CN 111121682 A CN111121682 A CN 111121682A
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- dummy
- point
- laser beam
- laser
- trolley
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
- G01C15/002—Active optical surveying means
- G01C15/004—Reference lines, planes or sectors
Abstract
The invention provides a dummy positioning device and method for a trolley, which comprises a main body frame and a horizontal slideway, wherein the main body frame is provided with a plurality of horizontal sliding grooves; the left end and the right end of the main body frame are respectively provided with a vertical slideway which is vertically arranged, and the left end and the right end of the horizontal slideway are respectively correspondingly arranged in the two vertical slideways to slide; two horizontal slideways are arranged and are arranged in parallel; all be equipped with horizontal migration's slide in two horizontal slide, all be equipped with laser spirit level and displacement sensor on two slides, two displacement sensor all are connected with the digital display table. The invention relates to a dummy positioning device and method for a trolley, which are matched with a horizontal slideway, a vertical slideway, a laser level meter, a displacement sensor and a digital display meter; when different positions of the dummy are positioned, whether other positions are changed or not can be monitored simultaneously, so that the positioning error of the dummy is reduced, the positioning efficiency of the dummy is improved, the use and maintenance cost is reduced, and the testing efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of automobile crash tests, and particularly relates to a dummy positioning device and method for a trolley.
Background
With the development of automobile safety technology, automobile safety engineers pay more and more attention to the evaluation details of the developed products, so that the control precision requirement of variables is improved in the research and development test process. In the field of automobile collision safety, the safety of a vehicle is considered and mainly judged according to the injury degree of a dummy, so that the accurate positioning of the dummy becomes a problem which needs to be considered by an automobile safety engineer.
Under the prior art, a three-dimensional coordinate measuring instrument is generally used for accurately positioning a dummy, and in the actual dummy positioning process, the three-dimensional coordinate measuring instrument performs point-by-point positioning measurement, so that when one point is positioned, the positions of other measuring points are influenced, and the positions of other measuring points are not monitored, so that the position of the other measuring points is easily out of a standard range. In view of the above situation, the three-dimensional coordinate measuring machine is required to be used for repeated measurement and positioning, which seriously affects the test efficiency, and the three-dimensional coordinate measuring machine is used for dummy positioning, which has the problems of high purchase cost, large use loss and high equipment maintenance cost.
Disclosure of Invention
In view of the above, the present invention aims to provide a dummy positioning device and method for a trolley, which is used in cooperation with a horizontal slide, a vertical slide, a laser level, a displacement sensor and a digital display meter; when different positions of the dummy are positioned, whether other positions are changed or not can be monitored simultaneously, so that the positioning error of the dummy is reduced, the positioning efficiency of the dummy is improved, the use and maintenance cost is reduced, and the testing efficiency is improved.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a dummy positioning device for a trolley comprises a main body frame and a horizontal slideway; the left end and the right end of the main body frame are respectively provided with a vertical slideway which is vertically arranged, and the left end and the right end of the horizontal slideway are respectively correspondingly arranged in the two vertical slideways to slide; two horizontal slideways are arranged and are arranged in parallel; two horizontal sliding ways are internally provided with horizontally moving sliding seats, the two sliding seats are respectively provided with a laser level meter and a displacement sensor, and the two displacement sensors are connected with a digital display meter; the left end and the right end of the bottom of the main body frame are respectively provided with a detection rod, the two detection rods are respectively arranged perpendicular to the vertical slideway, and the lengths of the two detection rods extending out of the vertical slideway are the same; two ends of each horizontal slideway are provided with slideway vertical height locking mechanisms, and the extending directions of the two detection rods are the same as the laser irradiation directions of the two laser levels.
Further, the laser level is a PREXISO type laser level.
Further, the digital display meter is a YBGD-SDS-2V type digital display meter.
Furthermore, the laser level meter is adsorbed on the sliding seat through a magnet.
A dummy locating method for a dolly using the above-described dummy locating apparatus for a dolly, comprising:
step 1: two detection rods with the same length are aligned with the side face of the trolley, so that the main body framework of the dummy positioning device is parallel to the trolley; establishing a coordinate system of a positioning device, selecting a keyhole on a front door as an original point, and adjusting the posture of the dummy so that the coordinate value of a point H of the dummy is within a specified requirement range;
step 2: aligning a first laser beam emitted by one laser level instrument with an H point of the dummy, aligning a second laser beam emitted by the other laser level instrument with a knee point of the dummy, and adjusting the knee point of the dummy to be arranged at a required coordinate position according to the reading of a digital display meter, wherein the coordinate position of the H point of the dummy aligned by the first laser beam is ensured to be unchanged;
and step 3: aligning a first laser beam emitted by a laser level meter with an ankle point of the dummy, and adjusting the ankle point to be arranged at a required coordinate position according to the reading of a digital display meter; ensuring that the coordinate position of the knee point of the set dummy aligned by the second laser beam is unchanged;
and 4, step 4: aligning a first laser beam emitted by a laser level instrument with an H point of the dummy; aligning a second laser beam emitted by the other laser level meter with the shoulder point of the dummy, adjusting the shoulder point of the dummy to be arranged at the required coordinate position according to the reading of the digital display meter, and ensuring that the coordinate position of the H point of the set dummy aligned by the first laser beam is unchanged;
and 5: the second laser beam emitted by one laser level is aligned to the set shoulder point of the dummy, the first laser beam emitted by the other laser level is aligned to the head mass center of the dummy, and the head mass center is adjusted to be arranged at the required coordinate position according to the reading of the digital display meter, so that the coordinate position of the set shoulder point of the dummy aligned by the second laser beam is ensured to be unchanged.
Compared with the prior art, the dummy positioning device and method for the trolley have the following advantages:
the invention relates to a dummy positioning device and method for a trolley, which are matched with a horizontal slideway, a vertical slideway, a laser level meter, a displacement sensor and a digital display meter; when different positions of the dummy are positioned, whether other positions are changed or not can be monitored simultaneously, so that the positioning error of the dummy is reduced, the positioning efficiency of the dummy is improved, the use and maintenance cost is reduced, and the testing efficiency is improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention.
In the drawings:
FIG. 1 is a schematic structural diagram of a positioning device for a dummy of a trolley according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a dummy positioning method for a trolley according to an embodiment of the present invention.
Description of reference numerals:
1-a body frame; 2-a feeler lever; 3-a vertical slideway; 4-horizontal slide way; 5-a slide seat; point 6-H; 7-head centroid; 8-shoulder point; 9-knee point; 10-ankle point; 11-a first laser beam; 12-second laser beam.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1, a dummy positioning device for a dolly includes a main body frame 1 and a horizontal slide 4; the left end and the right end of the main body frame 1 are respectively provided with a vertical slideway 3 which is vertically arranged, and the left end and the right end of the horizontal slideway 4 are respectively and correspondingly arranged in the two vertical slideways 3 to slide; two horizontal slideways 4 are arranged, and the two horizontal slideways 4 are arranged in parallel; two horizontal sliding ways 4 are internally provided with horizontally moving sliding seats 5, the two sliding seats 5 are respectively provided with a laser level meter and a displacement sensor, and the two displacement sensors are connected with a digital display meter; the left end and the right end of the bottom of the main body frame 1 are respectively provided with a detection rod 2, the two detection rods 2 are respectively arranged perpendicular to the vertical slide way 3, and the lengths of the two detection rods 2 extending out of the vertical slide way 3 are the same; two ends of the two horizontal slideways 4 are respectively provided with a slideway vertical height locking mechanism, and the extending directions of the two detection rods 2 are the same as the laser irradiation directions of the two laser levels.
As shown in FIG. 1, the laser level is a PREXISO model laser level.
As shown in FIG. 1, the digimatic table is a YBGD-SDS-2V type digimatic table.
As shown in fig. 1, the laser level is attracted to the carriage 5 by a magnet.
As shown in figures 1-2, a dummy positioning method for a trolley, using the above dummy positioning device for a trolley, positions a knee point 9, an ankle point 10, a shoulder point 8 and a head mass center 7 of a dummy, and finally realizes accurate positioning of the whole dummy.
The method comprises the following steps:
step 1: two detection rods 2 with the same length are aligned with the side face of the trolley, so that the main body frame 1 of the dummy positioning device is parallel to the trolley; establishing a coordinate system of a positioning device, selecting a keyhole on a front door as an original point, and adjusting the posture of the dummy so that the coordinate value of a point H of the dummy is within a specified requirement range; typically within + -13 mm of the HPM unit "H" point down 6 mm;
step 2: aligning a first laser beam 11 emitted by one laser level instrument with an H point 6 of the dummy, aligning a second laser beam 12 emitted by the other laser level instrument with a knee point 9 of the dummy, and adjusting the knee point 9 of the dummy to be arranged at a required coordinate position according to the reading of a digital display meter, wherein the coordinate position of the H point 6 of the dummy aligned by the first laser beam 11 is ensured to be unchanged;
and step 3: aiming a first laser beam 11 emitted by a laser level meter at an ankle point 10 of the dummy, and adjusting the ankle point 10 to be arranged at a required coordinate position according to the reading of a digital display meter; the coordinate position of the set knee point 9 of the dummy which ensures the alignment of the second laser beam 12 is unchanged;
and 4, step 4: aiming a first laser beam 11 emitted by a laser level at a H point 6 of the dummy; aligning a second laser beam 12 emitted by another laser level meter with the shoulder point 8 of the dummy, and adjusting the shoulder point 8 of the dummy to be arranged at a required coordinate position according to the reading of a digital display meter, wherein the coordinate position of the H point 6 of the dummy which is aligned with the first laser beam 11 and is set is ensured to be unchanged;
and 5: the second laser beam 12 emitted by one laser level is aligned to the set shoulder point 8 of the dummy, the first laser beam 11 emitted by the other laser level is aligned to the head mass center 7 of the dummy, and the head mass center 7 is adjusted to be arranged at the required coordinate position according to the reading of a digital display meter, and at the moment, the coordinate position of the set shoulder point 8 of the dummy aligned by the second laser beam 12 is ensured to be unchanged.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A dummy positioning device for a trolley, characterized in that: comprises a main body frame (1) and a horizontal slideway (4); the left end and the right end of the main body frame (1) are respectively provided with a vertical slideway (3) which is vertically arranged, and the left end and the right end of the horizontal slideway (4) are respectively and correspondingly arranged in the two vertical slideways (3) to slide; the number of the horizontal slideways (4) is two, and the two horizontal slideways (4) are arranged in parallel; sliding seats (5) which move horizontally are arranged in the two horizontal sliding ways (4), laser levels and displacement sensors are arranged on the two sliding seats (5), and the two displacement sensors are connected with a digital display meter; the left end and the right end of the bottom of the main body frame (1) are respectively provided with a detection rod (2), the two detection rods (2) are respectively perpendicular to the vertical slide way (3), and the lengths of the two detection rods (2) extending out of the vertical slide way (3) are the same; two horizontal slide (4) both ends all are equipped with the vertical high locking mechanical system of slide, two feeler lever (2) direction of stretching out is the same with two laser level appearance laser irradiation direction.
2. A dummy localization apparatus for a trolley according to claim 1, characterized in that: the laser level is a PREXISO type laser level.
3. A dummy localization apparatus for a trolley according to claim 2, characterized in that: the digital display meter is a YBGD-SDS-2V type digital display meter.
4. A dummy localization apparatus for a trolley according to claim 1, characterized in that: the laser level meter is adsorbed on the sliding seat (5) through a magnet.
5. A dummy positioning method for a trolley, characterized in that: use of a dummy positioning device for a trolley according to any of the preceding claims 1-4, comprising:
step 1: two detection rods (2) with the same length are aligned with the side face of the trolley, so that the main body frame (1) of the dummy positioning device is parallel to the trolley; establishing a coordinate system of a positioning device, selecting a keyhole on a front door as an original point, and adjusting the posture of the dummy so that the coordinate value of a point H of the dummy is within a specified requirement range;
step 2: aligning a first laser beam (11) emitted by one laser level instrument with an H point (6) of the dummy, aligning a second laser beam (12) emitted by the other laser level instrument with a knee point (9) of the dummy, and adjusting the knee point (9) of the dummy to be arranged at a required coordinate position according to the reading of a digital display meter, wherein the coordinate position of the H point (6) of the dummy aligned by the first laser beam (11) is ensured to be unchanged;
and step 3: aiming a first laser beam (11) emitted by a laser level meter at an ankle point (10) of the dummy, and adjusting the ankle point (10) to be arranged at a required coordinate position according to the reading of a digital display meter; the coordinate position of the set knee point (9) of the dummy which ensures the alignment of the second laser beam (12) is unchanged;
and 4, step 4: aiming a first laser beam (11) emitted by a laser level at a point H (6) of the dummy; aligning a second laser beam (12) emitted by another laser level meter with the shoulder point (8) of the dummy, adjusting the shoulder point (8) of the dummy to be arranged at the required coordinate position according to the reading of a digital display meter, and ensuring that the coordinate position of the H point (6) of the dummy which is aligned with the first laser beam (11) and is set is unchanged;
and 5: the second laser beam (12) emitted by one laser level is aligned to the set shoulder point (8) of the dummy, the first laser beam (11) emitted by the other laser level is aligned to the head mass center (7) of the dummy, the head mass center (7) is adjusted to be arranged at the required coordinate position according to the reading of a digital display meter, and the coordinate position of the set shoulder point (8) of the dummy aligned by the second laser beam (12) is ensured to be unchanged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911149610.7A CN111121682A (en) | 2019-11-21 | 2019-11-21 | Dummy positioning device and method for trolley |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911149610.7A CN111121682A (en) | 2019-11-21 | 2019-11-21 | Dummy positioning device and method for trolley |
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| CN111121682A true CN111121682A (en) | 2020-05-08 |
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| CN201911149610.7A Pending CN111121682A (en) | 2019-11-21 | 2019-11-21 | Dummy positioning device and method for trolley |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111637959A (en) * | 2020-06-11 | 2020-09-08 | 中汽研汽车检验中心（天津）有限公司 | Method for testing position and quality of mass center of each part of human body |
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| CN107991682A (en) * | 2018-01-10 | 2018-05-04 | 吉林大学 | A kind of automobile dummy location measurement device |
| CN209485698U (en) * | 2019-03-25 | 2019-10-11 | 广州汽车集团股份有限公司 | Dummy's positioning device for vehicle impact testing |
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|---|---|---|---|---|
| CN202255384U (en) * | 2011-07-22 | 2012-05-30 | 浙江吉利汽车研究院有限公司 | Bracket for laser locator |
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| CN103868475A (en) * | 2014-02-20 | 2014-06-18 | 奇瑞汽车股份有限公司 | Automobile toe-in angle measuring device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111637959A (en) * | 2020-06-11 | 2020-09-08 | 中汽研汽车检验中心（天津）有限公司 | Method for testing position and quality of mass center of each part of human body |
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