CN217005689U

CN217005689U - Device for detecting SAE J826H point device size difference

Info

Publication number: CN217005689U
Application number: CN202220223318.6U
Authority: CN
Inventors: 朱丽丽; 黄玉强; 崔万良
Original assignee: Changchun Faway Adient Automotive Systems Co Ltd
Current assignee: Changchun Faway Adient Automotive Systems Co Ltd
Priority date: 2022-01-27
Filing date: 2022-01-27
Publication date: 2022-07-19
Anticipated expiration: 2032-01-27

Abstract

The utility model belongs to the technical field of automobile detection, and particularly relates to a device for detecting the size difference of an SAE J826H point device; the I-shaped support can slide along the two slideways, and the stop block is fixed at the left end of the horizontal support plate; the device obtains the appearance of the dummy by using a blue light scanning method, not only provides a dummy size detection method, but also can compare the difference of different appearance sizes of the dummy by using a key point alignment mode.

Description

Device for detecting SAE J826H point device size difference

Technical Field

The utility model belongs to the technical field of automobile detection, and particularly relates to a device for detecting size difference of an SAE J826H point device.

Background

The SAE J826H point device (HPM or dummy) is composed of a seat board, a back board, a shank, a foot and the like, wherein the back board and the seat board simulate the trunk and the thigh of a human body, the back board and the seat board are mechanically hinged at an 'H' point (a rotating point (crotch point) where the trunk and the thigh are connected), and the HPM is used for testing the H point of an automobile seat and the back head clearance test. Although the SAE J826H point device used by each enterprise meets the standard of the SAE J826, the test result still has certain difference, and the difference of the external dimension of the HPM is the main reason of different test results besides personnel, sample pieces, test equipment and environmental factors. In the automobile industry, the dimension of the HPM needs to be detected by using professional calibration equipment, which not only consumes equipment, manufacturing capital and a large amount of time, but also has high detection operation requirements, and no detection mechanism currently carries out the dimension detection of the device at the SAE J826H point. Also, there are some size detection blind spots in the current SAE J826 standard, and the back plate and seat plate profile sizes of the SAE J826H point device are not explicitly given.

Disclosure of Invention

In order to overcome the problems, the utility model provides a device for detecting SAE J826H point device size difference, which obtains the appearance of a dummy by using a blue light scanning method, not only provides a dummy size detection method, but also can compare different dummy appearance size differences by using a key point alignment method.

The utility model provides a detect device of SAE J826H point device size difference, including horizontal support plate 1, dog 3 and I shape support 2, the dog includes first dog 31 and second dog 32, wherein the right-hand member of horizontal support plate 1 is equipped with two slides that set up side by side, be first slide 11 and second slide 12 respectively, I shape support 2 bottom both ends are the cooperation respectively and are connected in first slide 11 and second slide 12, make I shape support 2 can slide along first slide 11 and second slide 12, first dog 31 and second dog 32 are fixed at the left end of horizontal support plate 1, and first slide 11 and second slide 12 are located between first dog 31 and the second dog 32.

The I-shaped support 2 comprises a base plate 21, a T-shaped column 22 and a boss 23, wherein the T-shaped column 22 is fixed on the base plate 21, the boss 23 is fixed at the top of the T-shaped column 22, and a U-shaped groove is formed in the boss 23.

The T-shaped column 22 comprises a vertical column and a top plate, wherein the vertical column is fixed on the bottom plate 21, the top plate is fixed at the top of the vertical column, and two bosses 23 are fixed above the top plate.

The utility model has the beneficial effects that:

the utility model acquires the profile of the HPM by using a blue light scanning method, not only provides dimension detection between the HPMs, but also can compare the dimension difference of different SAE J826H point devices by aligning key points.

Meanwhile, the manufacturing cost is low, the detection is convenient to operate, the detected size is comprehensive, and the seat plate and the back plate outline of the SAE J826H point device can be detected.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings may be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a side view of the present invention.

Fig. 4 is a top view of the present invention.

Wherein: the device comprises a horizontal support plate 1, a first slide way 11, a second slide way 12, an I-shaped support 2, a bottom plate 21, a T-shaped column 22, a boss 23, a stop block 3, a first stop block 31 and a second stop block 32.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings, and are only for convenience of description and simplicity of operation, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

Example 1

The utility model provides a detect device of SAE J826H point device size difference, including horizontal support plate 1, dog 3 and I shape support 2, the dog includes first dog 31 and second dog 32, wherein the right-hand member of horizontal support plate 1 is equipped with two slides that set up side by side, be first slide 11 and second slide 12 respectively, I shape support 2 bottom both ends are the cooperation respectively and are connected in first slide 11 and second slide 12, make I shape support 2 can slide along first slide 11 and second slide 12, first dog 31 and second dog 32 are fixed at the left end of horizontal support plate 1, and the distance between first slide 11 and the second slide 12 is less than the distance between first dog 31 and the second dog 32.

A method for detecting SAE J826H point device size difference comprises the following steps:

step one, pasting mark points: marking points special for the blue light scanning test are pasted at different positions inside and outside the dummy and are used for acquiring three-dimensional point cloud data of the dummy; the position can be selected at will, as long as the mark points can be identified during scanning to shoot the appearance of the dummy;

placing a dummy, placing a seat plate of the dummy on the horizontal support plate 1, fixing a T-shaped rod of the dummy through the first stop block 31 and the second stop block 32, and fixing a back plate of the dummy through the I-shaped support 2 to prevent the dummy from moving;

thirdly, scanning the inner structure of the dummy and the external contour exposed outside by using a blue light scanner;

placing the dummy upside down to enable a back plate and a seat plate of the dummy to be completely unfolded, fixing a T-shaped rod of the dummy through a first stop block 31 and a second stop block 32, and fixing a counterweight suspension of the chest of the dummy in a U-shaped groove;

step five, scanning the base plate and the back plate of the dummy which are placed upside down by using a blue light scanner, and constructing integral point cloud data of the dummy by using common mark points (namely the mark points pasted in the step one) used in the scanning in the step three to obtain the appearance outline of the dummy; (the object can be overlapped through the overlapping mark points on the front and back surfaces of the object respectively scanned during scanning);

step six, data processing-seat plate and back plate comparison analysis;

aligning seat plates and back plates of different dummy in a point-line-surface mode according to the overall point cloud data of different dummy obtained in the step five, namely the appearance outline of the dummy, and carrying out analysis, namely analyzing the influence on the experimental result by aligning the blue light scanning data of the two dummy in a special point mode, wherein the aligning mode of the seat plates is as follows:

point: the middle points of the H point buttons on the two sides are superposed;

line: connecting lines of the H point buttons on the two sides are superposed;

dough making: the hip angle measuring surface of the seat plate of the dummy is parallel;

the alignment of the back plate is as follows:

line: connecting lines of the H point buttons on the two sides are superposed;

dough making: the trunk angle measuring surfaces of the dummy are parallel;

and seventhly, analyzing the influence of different dummy on the H point test and the Backset test according to the difference result.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the scope of the present invention is not limited to the specific details of the above embodiments, and any person skilled in the art can equally and equally replace or change the technical solution of the present invention and the inventive concept within the technical scope of the present invention.

It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the utility model is not described in any way for the possible combinations in order to avoid unnecessary repetition.

In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.

Claims

1. The utility model provides a detect device of SAE J826H point device size difference, its characterized in that includes horizontal support plate (1), dog (3) and I shape support (2), the dog includes first dog (31) and second dog (32), wherein the right-hand member of horizontal support plate (1) is equipped with two slides that set up side by side, be first slide (11) and second slide (12) respectively, I shape support (2) bottom both ends are the cooperation respectively and are connected in first slide (11) and second slide (12), make I shape support (2) can slide along first slide (11) and second slide (12), first dog (31) and second dog (32) are fixed at the left end of horizontal support plate (1), and first slide (11) and second slide (12) are located between first dog (31) and second dog (32).

2. The device for detecting SAE J826H spot device size difference according to claim 1, wherein said I-shaped bracket (2) comprises a bottom plate (21), a T-shaped pillar (22) and a boss (23), wherein the T-shaped pillar (22) is fixed on the bottom plate (21), the boss (23) is fixed on the top of the T-shaped pillar (22), and the boss (23) is provided with a U-shaped groove.

3. The device for detecting SAE J826H spot device size difference according to claim 2, wherein said T-shaped pillar (22) comprises a pillar and a top plate, wherein the pillar is fixed on the bottom plate (21), the top plate is fixed on the top of the pillar, and two bosses (23) are fixed above the top plate.