CN110631445B - Utensil is examined to skirtboard outline - Google Patents
Utensil is examined to skirtboard outline Download PDFInfo
- Publication number
- CN110631445B CN110631445B CN201910994026.5A CN201910994026A CN110631445B CN 110631445 B CN110631445 B CN 110631445B CN 201910994026 A CN201910994026 A CN 201910994026A CN 110631445 B CN110631445 B CN 110631445B
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- apron
- outer contour
- detection surface
- detection
- board
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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
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0025—Measuring of vehicle parts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/20—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B5/25—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
- G01B5/252—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes for measuring eccentricity, i.e. lateral shift between two parallel axes
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
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.
Description
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 member 6 includes an insertion portion 61, a connecting portion 62 and a hinge portion 63, the insertion portion 61 is inserted into the apron 5 along the curvature of the apron 5 itself, the connecting portion 62 is used for connecting the insertion portion 61 and the hinge portion 63, the end portion of the apron 5 and the arc-shaped connecting portion 62 form an apron base contour 5b, the hinge portion 63 has two hinge portions, and hinge shaft holes 631 are coaxially opened in the two hinge portions 63.
In order to ensure the strength of the skirt panel 5 and the mounting accuracy of the skirt panel 5 and the vehicle body, the coaxiality between the skirt panel outer contour arc surface 5a, the skirt panel root contour 5b and the hinge shaft hole 631 needs to be detected, and therefore, a special detection tool for detecting the skirt panel 5 and the connecting member 6 is urgently needed to be designed.
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 embodiment 2.
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.
Example 1: a skirt plate outer contour detection tool comprises 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 of a skirt plate 5 far away from a connecting component 6;
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 per se 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 root profile 5b of the apron board, and the difference value between the scale corresponding to the second detection surface 2a and the reference scale is observed to judge that the root profile 5b of the apron board meets the precision requirement;
the guide bush 3 is relatively fixed to the second detection surface 2a, and the core rods pass through the hinge shaft holes 631 and are inserted into the guide bush 3 to detect the coaxiality between the hinge shaft holes 631.
The positioning surface 1a is used as a reference surface for placing the apron board 5, the first detection surface 1b is used for bearing the apron board 5 on one hand, and on the other hand, is used as a reference surface for detecting the radian of the apron board 5, and the radian of the outer contour arc surface 5a of the apron board is checked through visual inspection or a stopple ruler; the scale when the second detection surface 2a is attached to the skirting board root profile 5b is compared with the reference scale to check the skirting board root profile 5 b; the matching of the core rod and the guide sleeve 3 is used for detecting the coaxiality between the hinge shaft holes 631; therefore, the skirt board 5 outer contour detection tool provided by the invention can simultaneously detect the coaxiality among the skirt board outer contour arc surface 5a, the skirt board root contour 5b and the hinge shaft hole 631, and obviously improves the detection efficiency.
As shown in fig. 5 and 6, the checking fixture further comprises a checking fixture body 1, the first detection surface 1b is located at the top of the checking fixture body 1, the positioning surface 1a is located at one end, far away from the second detection surface 2a, of the checking fixture body 1, and a plurality of lightening holes 14 are formed in the checking fixture body 1. The gauge body 1 serves as a main bearing part and supports the apron board 5 (see fig. 3), and the design of the lightening holes 14 ensures the strength of the gauge body 1, ensures the light weight of the gauge body 1 as far as possible and is convenient to transport and mount. The checking fixture body 1 is fixedly connected with at least one mounting component 4 along the length direction of the checking fixture body so as to mount the checking fixture body 1 on a rack. Here, the mounting assembly 4 includes a T-shaped main plate 41 and a fixed sub-plate 42, the horizontal portion of the T-shaped main plate 41 is fixedly connected to the frame, the fixing manner can be detachable and fixed by fasteners such as bolts and nuts, and the inspection device body 1 is clamped between the fixed sub-plate 42 and the vertical portion of the T-shaped main plate 41 and is detachable and fixed by fasteners such as bolts and nuts. Preferably, the vertical part of T type mainboard 41 extends there is the boss, and the boss can play the supporting role to fixed subplate 42, alleviates the atress of fastener, guarantees the connection stability of examining utensil main part 1.
As shown in fig. 5 and 7, the device further comprises a secondary ruler 2, and the second detection surface 2a is positioned on one side of the secondary ruler 2 close to the apron board 5 (see fig. 3); the both ends of assistant ruler 2 extend there is deflector 21, examines the one end that utensil main part 1 kept away from locating surface 1a and has seted up guide way 11, and guide way 11 sets up along the extending direction of 5 radians of skirtboard, and deflector 21 slides along guide way 11 and connects to realize that second detection face 2a removes along the direction of guide way 11, until the laminating of skirtboard root profile 5 b. In order to ensure that the guide plate 21 is convenient to assemble and disassemble and is anti-falling, a sealing plate 12 is detachably fixed on the checking fixture body 1 to abut against the guide plate 21. Here, the closing plate 12 can be fixed to the fixture body 1 by a fastener such as a bolt and a nut. The auxiliary scale 2 is provided with scale marks 23, the gauge body 1 is provided with mark lines 13 (see fig. 4), the mark lines 13 are reference scales when pointing to zero scale, a difference value is preset and defined as a preset difference value, when the second detection surface 2a is attached to the skirt board root profile 5b, the difference value between the scale pointed by the mark lines 13 and the reference scales is observed, the difference value is compared with the preset difference value, if the difference value is smaller than the preset difference value, the skirt board root profile 5b meets the precision requirement, otherwise, the precision requirement is not met.
As shown in fig. 5 and 7, since the guide sleeve 3 is fixed relative to the second detection surface 2a, the guide sleeve 3 should be fixedly connected to the secondary scale 2 in the following manner: the bottom of the guide sleeve 3 is vertically provided with a connecting plate 31, the auxiliary 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 such as a bolt and a nut.
As shown in fig. 6, the guide sleeves 3 are symmetrically arranged on the sub scale 2 along the central plane of the second detection surface 2a, and the sub scale 2 is provided with through holes coaxial with the guide sleeves 3. The mode that the auxiliary ruler 2 both sides all set up guide pin bushing 3 when the plug wears to establish, does benefit to the support of plug, reduces because of the plug overlength takes place to warp and leads to the possibility that the testing result produces the error.
As shown in fig. 3, a backing plate (not shown) is attached to the positioning surface 1a, and the backing plate is fixedly connected to the positioning surface 1 a. The backing plate can be made of polyurethane and used for compensating the machining error of the apron plate 5, the backing plate and the positioning surface 1a can be fixedly connected in an adhesive or clamping mode, when clamping is adopted, the backing plate and the positioning surface can be realized in a dovetail groove and wedge block matching mode, the backing plate fixing method is only an implementable backing plate fixing mode, and other fixing modes also fall into the protection scope of the invention.
Example 2: the apron 5 outer contour checking fixture is different from the embodiment 1 in that the fixture further comprises a third detection surface 2b as shown in fig. 8, the third detection surface 2b moves along the extension direction of the apron 5 radian to be attached to a hinged part outer contour arc surface 6a (see fig. 2), and the difference value between the scale corresponding to the third detection surface 2b and the reference scale is observed to judge that the hinged part outer contour arc surface 6a meets the precision requirement. Similarly, the third detection surface 2b is located on the side of the sub rule 2 close to the apron 5 (see fig. 2), and in practice, the rest of the components are identical to the mounting structure of the sub rule 2 with the second detection surface 2a (see fig. 4) in embodiment 1, but in this embodiment, the sub rule 2 is in another form of the sub rule 2, and the mounting structure of the sub rule 2 with the third detection surface 2b is not changed.
As shown in fig. 1 to 8, here, the third detection surface 2b is used for detecting the outer contour arc surface 6a of the hinge portion, in this embodiment, the detection steps can be divided into two steps, the first step is to simultaneously detect the coaxiality between the skirt board outer contour arc surface 5a, the skirt board root contour 5b and the hinge shaft hole 631, and the second step is to detect the outer contour arc surface 6a of the hinge portion; the detection step may be a step of simultaneously detecting the coaxiality between the apron outer contour arc surface 5a, the apron root contour 5b, and the hinge shaft hole 631, and the hinge portion outer contour arc surface 6 a. When the detection step is one step, as a preferable mode of the embodiment, the second detection surface 2a is attached to the skirt board root contour 5b, the two third detection surfaces 2b are symmetrically arranged about the central plane of the second detection surface 2a, and the two third detection surfaces 2b are attached to the hinge portion outer contour arc surface 6a, so that the detection of each part of the connecting member 6 and the skirt board 5 can be performed by the above design, and the detection efficiency is further improved.
As shown in fig. 1 to 8, the first detection surface 1b, the second detection surface 2a, and the third detection surface 2b can be understood as a set of detection tools, and since there is more than one connection member 6 on the apron board 5 side, by arranging a plurality of sets of detection tools, each part of the connection members 6 on the apron board 5 can be detected, thereby further improving the detection efficiency. When detecting each part of a plurality of connecting elements 6 on the apron board 5, here, can rationally increase the quantity of guide pin bushing 3 according to the assembly position of first detection face 1b, second detection face 2a and third detection face 2b in the actual detection process to reduce the probability of plug deformation, improve the test accuracy of the axiality between the articulated shaft hole 631.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (10)
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).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910994026.5A CN110631445B (en) | 2019-10-18 | 2019-10-18 | Utensil is examined to skirtboard outline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910994026.5A CN110631445B (en) | 2019-10-18 | 2019-10-18 | Utensil is examined to skirtboard outline |
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| Publication Number | Publication Date |
|---|---|
| CN110631445A CN110631445A (en) | 2019-12-31 |
| CN110631445B true CN110631445B (en) | 2021-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910994026.5A Active CN110631445B (en) | 2019-10-18 | 2019-10-18 | Utensil is examined to skirtboard outline |
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| CN (1) | CN110631445B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111426256A (en) * | 2020-03-25 | 2020-07-17 | 中车眉山车辆有限公司 | Device and method for detecting coaxiality of air cylinder cover |
| CN112124339B (en) * | 2020-09-27 | 2022-03-18 | 中车唐山机车车辆有限公司 | Skirtboard, carriage and rail vehicle |
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| CN207779277U (en) * | 2018-02-14 | 2018-08-28 | 广西桂景计量检测有限公司 | Wheel checker of rolling stock special gauge |
| CN208846941U (en) * | 2018-08-21 | 2019-05-10 | 滦县友顺页岩砖厂 | A kind of kiln car heat seal structure |
| CN209458375U (en) * | 2018-11-16 | 2019-10-01 | 宁波爱柯迪精密部件有限公司 | Gear box casing casting and its cubing |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202836400U (en) * | 2012-05-17 | 2013-03-27 | 宁波拓普电器有限公司 | Composite measuring die |
| CN203964813U (en) * | 2014-07-02 | 2014-11-26 | 安徽江淮汽车股份有限公司 | A kind of assembling detection device for rear torsion beam of car |
| CN206113796U (en) * | 2016-08-25 | 2017-04-19 | 天津磊峰实业有限公司 | Auto parts detect instrument |
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| CN207779277U (en) * | 2018-02-14 | 2018-08-28 | 广西桂景计量检测有限公司 | Wheel checker of rolling stock special gauge |
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| CN110631445A (en) | 2019-12-31 |
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