Utensil is examined to skirtboard outline
阅读说明：本技术 一种裙板外轮廓检具 (Utensil is examined to skirtboard outline ) 是由 解恩泽 谈源 王小清 沈蓝江 张军 于 2019-10-18 设计创作，主要内容包括：本发明公开了一种裙板外轮廓检具,属于检测工装领域,具有能够同时对裙板外轮廓圆弧面、裙板根部轮廓、铰接轴孔之间的同轴度进行检测,提高检测效率的优点,它包括定位面、第一检测面、第二检测面以及导套,定位面与裙板远离连接构件的一侧抵接；其中,第一检测面固定设置且为检测裙板弧度的基准面,通过观察裙板外轮廓圆弧面与第一检测面的贴合度以判断裙板自身弧度满足精度要求；第二检测面沿裙板弧度延伸方向移动至与裙板根部轮廓贴合,观察第二检测面对应的刻度与基准刻度的差值以判断裙板根部轮廓满足精度要求；导套与第二检测面相对固定,芯棒分别穿过铰接轴孔并插入导套以检测铰接轴孔之间的同轴度。本发明适用于裙板与连接构件的检测。(The invention discloses a skirt board outer contour checking fixture, which belongs to the field of detection tools, and has the advantages that the coaxiality among a skirt board outer contour arc surface, a skirt board root contour and a hinge shaft hole can be simultaneously detected, and the detection efficiency is improved; the first detection surface is fixedly arranged and is a reference surface for detecting the radian of the apron board, and the radian of the apron board per se is judged to meet the precision requirement by observing the attaching degree of an outer contour arc surface of the apron board and the first detection surface; the second detection surface moves along the extension direction of the radian of the apron board to be attached to the outline of the root of the apron board, and the difference value between the scale corresponding to the second detection surface and the reference scale is observed to judge that the outline of the root of the apron board meets the precision requirement; the guide sleeve and the second detection surface are relatively fixed, and the core rod respectively penetrates through the hinge shaft holes and is inserted into the guide sleeve to detect the coaxiality between the hinge shaft holes. The invention is suitable for detecting the skirtboard and the connecting component.)
1. The apron plate outer contour detection tool is characterized by comprising a positioning surface (1a), a first detection surface (1b), a second detection surface (2a) and a guide sleeve (3), wherein the positioning surface (1a) is abutted to one side, far away from a connecting component (6), of an apron plate (5);
the first detection surface (1b) is fixedly arranged and is a reference surface for detecting the radian of the apron board (5), and the radian of the apron board (5) is judged to meet the precision requirement by observing the attaching degree of the outer contour arc surface (5a) of the apron board and the first detection surface (1 b);
the second detection surface (2a) moves along the extension direction of the radian of the apron board (5) to be attached to the apron board root profile (5b), and the difference value between the scale corresponding to the second detection surface (2a) and the reference scale is observed to judge that the apron board root profile (5b) meets the precision requirement;
the guide sleeve (3) and the second detection surface (2a) are relatively fixed, and the core rod respectively penetrates through the hinge shaft holes (631) and is inserted into the guide sleeve (3) so as to detect the coaxiality between the hinge shaft holes (631).
2. The apron outer contour checking fixture as claimed in claim 1, further comprising a third detection surface (2b), wherein the third detection surface (2b) moves along the extension direction of the radian of the apron (5) to be attached to the hinge portion outer contour arc surface (6a), and the difference between the scale corresponding to the third detection surface (2b) and the reference scale is observed to judge that the hinge portion outer contour arc surface (6a) meets the precision requirement.
3. The apron outer contour gauge according to claim 1, further comprising a gauge body (1), wherein the first detection surface (1b) is located at the top of the gauge body (1), the positioning surface (1a) is located at one end of the gauge body (1) far away from the second detection surface (2a), and at least one mounting component (4) is fixedly connected to the gauge body (1) along the length direction of the gauge body to mount the gauge body (1) on a rack.
4. The apron outer contour checking fixture as claimed in claim 3, further comprising a secondary ruler (2), wherein the second detection surface (2a) is located on one side of the secondary ruler (2) close to the apron (5);
the two ends of the auxiliary ruler (2) extend to form guide plates (21), one end, far away from the positioning surface (1a), of the checking fixture body (1) is provided with a guide groove (11), the guide plates (21) are connected in a sliding mode along the guide groove (11), and a sealing plate (12) is detachably fixed on the checking fixture body (1) to abut against the guide plates (21).
5. The apron outer contour checking fixture as claimed in claim 4, characterized in that a connecting plate (31) is vertically arranged at the bottom of the guide sleeve (3), the secondary ruler (2) extends upwards to form a mounting plate (22), and the connecting plate (31) is fixedly connected with the mounting plate (22) through a fastener.
6. The apron outer contour checking fixture according to claim 2, characterized in that the second detecting surface (2a) is attached to the apron root contour (5b), the two third detecting surfaces (2b) are symmetrically arranged about the center plane of the second detecting surface (2a), and the two third detecting surfaces (2b) are attached to the hinge portion outer contour circular arc surface (6 a).
7. The apron outer contour checking fixture according to claim 4, characterized in that the guide sleeve (3) is symmetrically arranged on the secondary scale (2) along the central plane of the second detection surface (2a), and the secondary scale (2) is provided with a through hole coaxial with the guide sleeve (3).
8. The apron outer contour checking fixture according to claim 4, characterized in that the secondary scale (2) is provided with scale marks (23), the checking fixture body (1) is provided with mark lines (13), and the mark lines (13) are reference scales when pointing to zero scale.
9. The apron outer contour checking fixture as claimed in claim 1, characterized in that the positioning surface (1a) is provided with a backing plate in an abutting manner, and the backing plate is fixedly connected with the positioning surface (1 a).
10. The tool for checking the outer contour of the apron board as claimed in claim 3, characterized in that a plurality of lightening holes (14) are formed in the tool body (1).
Technical Field
The invention relates to a detection tool, in particular to a skirtboard outer contour detection tool.
Background
In the prior art, in the technical field of rail transit, skirtboards are often arranged on the side surfaces of high-speed trains in order to reduce air resistance when the high-speed trains move at high speed and avoid influences on train equipment and even train operation caused by foreign matters entrained by high-speed airflow flying into train bottom equipment. The skirtboard is connected through the connecting elements with the automobile body, and the radian of skirtboard self plays important effect to the intensity of skirtboard, and the installation accuracy and the reliability of skirtboard and automobile body have been decided to the accurate degree of the relative position of skirtboard and connecting elements.
As shown in fig. 1 and 2, the connecting
In order to ensure the strength of the
Based on the practical experience and professional knowledge which are abundant for years in the engineering application of the products, the designer actively carries out research and innovation by matching with the application of the theory, and aims to create a skirt plate outer contour checking fixture, so that the skirt plate outer contour checking fixture is more practical.
Disclosure of Invention
The invention aims to provide a skirt plate outer contour detection tool which has the advantages that coaxiality among a skirt plate outer contour arc surface, a skirt plate root contour and a hinge shaft hole can be detected simultaneously, and detection efficiency is improved.
The technical purpose of the invention is realized by the following technical scheme:
a skirt plate outer contour detection tool comprises a positioning surface, a first detection surface, a second detection surface and a guide sleeve, wherein the positioning surface is abutted against one side of a skirt plate far away from a connecting component;
the first detection surface is fixedly arranged and is a reference surface for detecting the radian of the apron board, and the radian of the apron board per se is judged to meet the precision requirement by observing the attaching degree of an outer contour arc surface of the apron board and the first detection surface;
the second detection surface moves along the extension direction of the radian of the apron board to be attached to the outline of the root of the apron board, and the difference value between the scale corresponding to the second detection surface and the reference scale is observed to judge that the outline of the root of the apron board meets the precision requirement;
the guide sleeve and the second detection surface are fixed relatively, and the core rod penetrates through the hinge shaft holes respectively and is inserted into the guide sleeve to detect the coaxiality between the hinge shaft holes.
And further, the hinge part outer contour arc surface detection device further comprises a third detection surface, wherein the third detection surface moves along the extension direction of the radian of the apron board to be attached to the outer contour arc surface of the hinge part, and the difference value between the scale corresponding to the third detection surface and the reference scale is observed to judge that the outer contour arc surface of the hinge part meets the precision requirement.
The first detection surface is located at the top of the detection tool body, the positioning surface is located at one end, away from the second detection surface, of the detection tool body, and the detection tool body is fixedly connected with at least one mounting assembly along the length direction of the detection tool body to mount the detection tool body on the rack.
Further, the device also comprises an auxiliary ruler, and the second detection surface is positioned on one side of the auxiliary ruler, which is close to the apron board;
the auxiliary ruler is characterized in that guide plates extend from two ends of the auxiliary ruler, a guide groove is formed in one end, away from the positioning surface, of the checking tool main body, the guide plates are connected in a sliding mode along the guide groove, and a sealing plate is detachably fixed on the checking tool main body to abut against the guide plates.
Furthermore, the bottom of the guide sleeve is vertically provided with a connecting plate, the auxiliary ruler extends upwards to form a mounting plate, and the connecting plate is fixedly connected with the mounting plate through a fastener.
Furthermore, the second detection surface is attached to the outline of the root of the apron board, the two third detection surfaces are symmetrically arranged relative to the central plane of the second detection surface, and the two third detection surfaces are attached to the arc surface of the outer contour of the hinged part.
Furthermore, the guide sleeves are symmetrically arranged on the auxiliary ruler along the central plane of the second detection surface, and through holes coaxial with the guide sleeves are formed in the auxiliary ruler.
Furthermore, the auxiliary ruler is provided with scale marks, the gauge body is provided with mark lines, and the mark lines are reference scales when pointing to zero scale.
Furthermore, the positioning surface is provided with a backing plate in a fitting manner, and the backing plate is fixedly connected with the positioning surface.
Furthermore, a plurality of lightening holes are formed in the checking fixture body.
The invention has the following beneficial effects:
the positioning surface is used as a reference surface for placing the apron plate, the first detection surface is used for bearing the apron plate on one hand, and on the other hand, the first detection surface is used as a reference surface for detecting the radian of the apron plate, and the radian of the arc surface of the outer contour of the apron plate is checked through visual inspection or a feeler gauge; the scale when the second detection surface is attached to the outline of the skirt board root is compared with the reference scale to check the outline of the skirt board root; the core rod is matched with the guide sleeve to detect the coaxiality between the hinge shaft holes; therefore, the apron plate outer contour detection tool provided by the invention can be used for simultaneously detecting the coaxiality of the apron plate outer contour arc surface, the apron plate root contour and the hinge shaft hole, and the detection efficiency is obviously improved.
Drawings
Fig. 1 is a schematic view for showing a connection relationship between a skirt board and a connecting member in the background art;
FIG. 2 is an enlarged view of the structure for embodying the connecting member at A in FIG. 1;
FIG. 3 is a front view of the whole inspection tool for embodying the outer contour of the apron plate in embodiment 1;
FIG. 4 is an enlarged view of the structure for embodying the guide plate and the guide groove at B in FIG. 3;
FIG. 5 is a schematic view of an overall checking fixture for embodying the outer contour of the apron plate in embodiment 1;
FIG. 6 is a schematic view of an overall checking fixture for embodying the outer contour of the apron plate in embodiment 1;
FIG. 7 is a schematic view of a structure for embodying the sub ruler in embodiment 1;
fig. 8 is a schematic structural view for embodying the sub scale in
In the drawing, 1, a gauge body; 1a, a positioning surface; 1b, a first detection surface; 11. a guide groove; 12. closing the plate; 13. marking a line; 14. lightening holes; 2. a secondary ruler; 2a, a second detection surface; 2b, a third detection surface; 21. a guide plate; 22. mounting a plate; 23. scale lines; 3. a guide sleeve; 31. a connecting plate; 4. mounting the component; 41. a T-shaped main board; 42. fixing the auxiliary plate; 5. a skirt board; 5a, an outer contour arc surface of the apron board; 5b, skirt board root profile; 6. a connecting member; 6a, hinging part outer contour arc surface; 61. an insertion portion; 62. a connecting portion; 63. a hinge portion; 631. the hinge shaft hole.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
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