CN116499333B - Double-sided runout measuring tool for brake disc - Google Patents
Double-sided runout measuring tool for brake disc Download PDFInfo
- Publication number
- CN116499333B CN116499333B CN202310586428.8A CN202310586428A CN116499333B CN 116499333 B CN116499333 B CN 116499333B CN 202310586428 A CN202310586428 A CN 202310586428A CN 116499333 B CN116499333 B CN 116499333B
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- Prior art keywords
- brake disc
- meter
- bearing
- rod
- guide sleeve
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- 238000009434 installation Methods 0.000 claims abstract description 5
- 230000009191 jumping Effects 0.000 claims abstract description 3
- 238000001514 detection method Methods 0.000 claims description 7
- 238000005096 rolling process Methods 0.000 claims description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 7
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 7
- 241001330002 Bambuseae Species 0.000 abstract description 7
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 7
- 239000011425 bamboo Substances 0.000 abstract description 7
- 238000005259 measurement Methods 0.000 abstract 1
- 239000007787 solid Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012031 short term test Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Braking Arrangements (AREA)
Abstract
The utility model provides a brake disc double-sided measurement frock, including bottom plate (1), brake disc place seat and set up the instruction formula measuring tool on bottom plate (1), brake disc place the seat including base (2), keep a section of thick bamboo (3), ejector pin (4) and uide bushing (5), base (2) are installed on bottom plate (1), keep a section of thick bamboo (3) demountable installation on base (2), ejector pin (4) are installed in keeping a section of thick bamboo (3), the top of ejector pin (4) is provided with bearing (6) that are used for bearing brake disc axle (100); the advantages are that: meanwhile, the jumping amounts of the top surface and the bottom surface of the brake disc are detected, the brake disc is fast to disassemble and assemble, and the labor intensity of workers is reduced.
Description
Technical Field
The invention relates to the field of quality detection equipment, in particular to a fixture for measuring runout of a double-sided brake disc.
Background
At present, the existing automobile brake disc has high requirements on the surface and the size of a product, two indexes in the surface and the size of the product are controlled mainly, namely the jump quantity and Bao Houcha of the brake disc, and the brake disc has the defects that the thickness of individual products is uneven and the disc surface is not perpendicular to the axis line in production, so that the automobile can be braked in a thick place and cannot be braked in a thin place when the automobile is braked, and the driving safety is directly influenced. Lack a frock that can short-term test car brake disc double-sided runout volume.
Disclosure of Invention
The invention aims to overcome the defects and provides a fixture for measuring the runout of the double sides of a brake disc.
The invention comprises a bottom plate, a brake disc placing seat and an indicating measuring tool arranged on the bottom plate,
The brake disc placing seat comprises a base, a holding cylinder, an ejector rod and a guide sleeve,
The base is arranged on the bottom plate, the holding cylinder is detachably arranged on the base, the ejector rod is arranged in the holding cylinder, the top of the ejector rod is provided with a bearing for bearing the brake disc shaft, the guide sleeve is arranged in the holding cylinder, the bearing is arranged in the guide sleeve, and the brake disc shaft can rotate in the guide sleeve.
The base comprises a half pipe and an A backing plate, the half pipe is fixedly arranged on the A backing plate, and the A backing plate is detachably arranged on the bottom plate through bolts.
The top of the half pipe is provided with a split flange, a semicircular fixing part of the split flange is arranged at the top of the half pipe, a semicircular locking part of the split flange is arranged on the semicircular fixing part through bolts, and the holding cylinder is fixed through the split flange.
The guide sleeve is a rolling guide sleeve, the guide sleeve is arranged in the guide hole, the top of the retaining cylinder is provided with an annular retaining cover, the annular retaining cover is positioned above the guide sleeve and is limited with the guide sleeve in a clearance fit manner, the bottom of the retaining cylinder is provided with a lower cover, and the annular retaining cover and the lower cover are detachably arranged on the retaining cylinder through bolts respectively.
The center of the lower cover is provided with a threaded hole, the outer wall of the ejector rod is provided with threads, the ejector rod threads are arranged in the threaded hole of the lower cover and locked by a nut, and the bottom of the ejector rod is provided with square protrusions.
The top of ejector pin is provided with the bearing supporting bench, the center department of bearing supporting bench is provided with the fixed arch of circle under the bearing, it has the anticreep groove to open at the fixed protruding top of circle under the bearing, anticreep groove upper portion is oblong hole, anticreep groove lower part is circular hole, the volume of circular hole is greater than oblong hole's volume, be provided with L shape spare in the anticreep groove, the bottom of L shape spare is provided with the arc arch that matches with oblong hole, the top of L shape spare is provided with the fixed arch of circle on the bearing, L shape spare lower part is placed in the anticreep inslot, the bearing is thrust ball bearing, the lower circle of bearing is installed on the fixed arch of circle under the bearing, the upper circle of bearing is installed on the fixed arch of circle on the bearing.
The lower ring of the bearing is in interference fit with the lower ring fixing protrusion of the bearing, and the upper ring of the bearing is in interference fit with the upper ring fixing protrusion of the bearing.
The indicating type measuring tool consists of a top surface measuring mechanism and a bottom surface measuring mechanism, wherein the top surface measuring mechanism comprises an A screw rod, an A meter frame nut and an A dial indicator, the A screw rod is detachably arranged on a bottom plate, the A dial indicator is arranged on the A screw rod through the A meter frame nut, and a meter rod measuring contact of the A dial indicator is abutted against the top surface of a brake disc; the bottom surface measuring mechanism comprises a B screw rod, a B meter frame nut and a B dial indicator, wherein the B screw rod is detachably arranged on the bottom plate, the B dial indicator is arranged on the B screw rod through the B meter frame nut, and a meter rod measuring contact of the B dial indicator abuts against the bottom surface of the brake disc.
The structure of A table frame nut is the same with that of B table frame nut, and the one end of A table frame nut is solid fixed ring, is provided with the screw thread in the solid fixed ring, gu fixed ring screw thread mount is on the A screw rod, and the other end of A table frame nut is the clamping jaw, and open the tip of clamping jaw has a table pole mounting hole, and the table pole of A percentage table is located table pole mounting hole, opens on the lateral wall of clamping jaw has screw thread clearance adjustment hole and table pole clamping hole, and screw thread clearance adjustment downthehole screw thread fit clearance between solid fixed ring and the A screw rod, screw thread table pole clamping hole is tight to the table pole of A percentage table.
The bottoms of the screw A and the screw B are respectively provided with a base plate B, and the screw A and the screw B are detachably arranged on the bottom plate through the base plates B and screws respectively.
The invention has the advantages that: meanwhile, the jumping amounts of the top surface and the bottom surface of the brake disc are detected, the brake disc is fast to disassemble and assemble, and the labor intensity of workers is reduced.
Drawings
Fig. 1 is a schematic diagram of the structure of the present invention.
Fig. 2 is a schematic cross-sectional view of the present invention.
Fig. 3 is a schematic view of an exploded structure of the brake disc placement base of the present invention.
Fig. 4 is a schematic view of a partially enlarged structure of fig. 3 according to the present invention.
Fig. 5 is a schematic view of the structure of the top surface measuring mechanism of the present invention.
Description of the embodiments
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the embodiments of the present invention, it should be noted that, if the terms "upper," "lower," "inner," "outer," and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or the azimuth or the positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present invention and simplifying the description, and does not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like in the description of the present invention, if any, are used for distinguishing between the descriptions and not necessarily for indicating or implying a relative importance.
In the description of the embodiments of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in the drawings, the invention comprises a bottom plate 1, a brake disc placing seat and an indicating measuring tool arranged on the bottom plate 1,
The brake disc placing seat comprises a base 2, a holding cylinder 3, an ejector rod 4 and a guide sleeve 5,
The base 2 is arranged on the bottom plate 1, the holding cylinder 3 is detachably arranged on the base 2, the ejector rod 4 is arranged in the holding cylinder 3, the top of the ejector rod 4 is provided with a bearing 6 for bearing the brake disc shaft 100, the guide sleeve 5 is arranged in the holding cylinder 3, the bearing 6 is positioned in the guide sleeve 5, and the brake disc shaft 100 can be positioned in the guide sleeve 5 for rotation.
The base 2 comprises a half pipe 7 and an A base plate 8, the half pipe 7 is fixedly arranged on the A base plate 8, and the A base plate 8 is detachably arranged on the bottom plate 1 through bolts.
The top of the half pipe 7 is provided with a split flange 9, a semicircular fixing part of the split flange 9 is arranged at the top of the half pipe 7, a semicircular locking part of the split flange 9 is arranged on the semicircular fixing part through bolts, and the holding cylinder 3 is fixed through the split flange 9.
The open department in the top of keeping a section of thick bamboo 3 opens has guiding hole 10, and uide bushing 5 is the roll uide bushing, and uide bushing 5 installs in guiding hole 10, and the top of keeping a section of thick bamboo 3 is provided with annular and keeps lid 11, and annular keeps lid 11 to be located uide bushing 5 to with clearance fit spacing between the uide bushing 5, keep the bottom of section of thick bamboo 3 to be provided with lower cover 12, annular keeps lid 11 and lower cover 12 to be dismantled through the bolt respectively and install on keeping a section of thick bamboo 3.
The center of the lower cover 12 is provided with a threaded hole, the outer wall of the ejector rod 4 is provided with threads, the ejector rod 4 is installed in the threaded hole of the lower cover 12 in a threaded mode and locked through a nut, and the bottom of the ejector rod 4 is provided with square protrusions 13.
The top of ejector pin 4 is provided with bearing support platform 14, the center department of bearing support platform 14 is provided with the fixed arch of circle under the bearing 15 top of circle under the bearing and opens and have anticreep groove 16, anticreep groove 16 upper portion is oblong hole, anticreep groove 16 lower part is the circular hole, the volume of circular hole is greater than oblong hole's volume, be provided with L shape piece 17 in the anticreep groove 16, the bottom of L shape piece 17 is provided with the arc arch 18 that matches with oblong hole, the top of L shape piece 17 is provided with the fixed arch of circle 19 of the upper bearing, the lower part of L shape piece 17 is placed in anticreep groove 16, the bearing 6 is thrust ball bearing, the lower circle of bearing 6 is installed on the fixed arch of circle under the bearing 15, the upper circle of bearing 6 is installed on the fixed arch of circle 19 of the bearing.
The lower ring of the bearing 6 is in interference fit with the lower ring fixing protrusion 15 of the bearing, and the upper ring of the bearing 6 is in interference fit with the upper ring fixing protrusion 19 of the bearing.
The indicating type measuring tool consists of a top surface measuring mechanism and a bottom surface measuring mechanism, wherein the top surface measuring mechanism comprises an A screw rod 20, an A meter frame nut 21 and an A dial indicator 22, the A screw rod 20 is detachably arranged on the bottom plate 1, the A dial indicator 22 is arranged on the A screw rod 20 through the A meter frame nut 21, and a meter rod measuring contact of the A dial indicator 22 is abutted against the top surface of the brake disc 101; the bottom surface measuring mechanism comprises a B screw rod 23, a B meter frame nut 24 and a B dial indicator 25, wherein the B screw rod 23 is detachably arranged on the bottom plate 1, the B dial indicator 25 is arranged on the B screw rod 23 through the B meter frame nut 24, and a meter rod measuring contact of the B dial indicator 25 abuts against the bottom surface of the brake disc 101.
The structure of the A meter frame nut 21 is the same as that of the B meter frame nut 24, one end of the A meter frame nut 21 is a fixed ring 26, threads are arranged in the fixed ring 26, the fixed ring 26 is installed on the A screw rod 20 in a threaded manner, the other end of the A meter frame nut 21 is a clamping jaw 27, a meter rod installation hole is formed in the end portion of the clamping jaw 27, a meter rod of the A meter 22 is located in the meter rod installation hole, a thread gap adjusting hole 28 and a meter rod clamping hole 29 are formed in the side wall of the clamping jaw 27, a screw is screwed into the thread gap adjusting hole 28 to adjust a thread fit gap between the fixed ring 26 and the A screw rod 20, and the screw is screwed into the meter rod clamping hole 29 to clamp the meter rod of the A meter 22.
The bottoms of the A screw rod 20 and the B screw rod 23 are respectively provided with a B backing plate 30, and the A screw rod 20 and the B screw rod 23 are detachably arranged on the bottom plate 1 through the B backing plates 30 and screws respectively.
Example 1: the brake disc shaft 100 is mounted on the brake disc 101 by bolts, and a worker puts the bottom of the brake disc shaft 100 into the guide sleeve 5, and the bottom surface of the brake disc shaft 100 abuts against the bearing 6. The bottom surface of the brake disc 101 is firstly pressed on the gauge rod measuring contact of the B-percentage gauge 25, at this time, a worker holds the gauge rod cap of the A-percentage gauge 22, lifts the gauge rod upwards, rotates the A-percentage gauge 22 to the position shown in fig. 1, releases the gauge rod cap, and the gauge rod measuring contact of the A-percentage gauge 22 abuts against the top surface of the brake disc 101. The staff rotates the brake disc 101, detects the jump quantity of brake disc 101 through the pointer rotation quantity of A percentage table 22 and B percentage table 25 promptly, and after the detection, the staff holds the table pole cap of A percentage table 22, upwards lifts the table pole, rotates A percentage table 22 and avoids brake disc 101, at this moment can upwards take out brake disc 101, places the next brake disc of waiting to examine.
The position of the bearing 6 in the guide sleeve 5 is adjusted by screwing the ejector rod 4 on the square bulge 13 to move up and down along the threaded hole in the center of the lower cover 12, so that the detection height of the brake disc during installation can be adjusted.
The position of the holding cylinder 3 on the base 2 can be adjusted by loosening the bolts on the split flange 9, and the detection height of the brake disc can be adjusted as well.
When the brake disc shaft 100 rotates, the bearing 6 supports the brake disc shaft to rotate, and the guide sleeve 5 limits the outer wall of the brake disc shaft 100, so that the brake disc shaft is kept at the same rotation center when rotating. The guide sleeve 5 is also rotatable in the guide hole 10 by means of balls.
After the whole tool is installed, the half pipe 7 can also extend into a spanner to twist the ejector rod 4.
When the L-shaped piece 17 is installed, the arc-shaped bulge 18 is aligned with the anti-falling groove 16, the L-shaped piece 17 is inserted into the anti-falling groove 16, and then the L-shaped piece 17 rotates in the anti-falling groove 16 for a certain angle, so that the L-shaped piece 17 can be prevented from being pulled out through the anti-falling groove 16.
Claims (5)
1. A fixture for measuring runout of a double side of a brake disc comprises a bottom plate (1), a brake disc placing seat and an indicating type measuring tool arranged on the bottom plate (1),
It is characterized in that the brake disc placing seat comprises a base (2), a holding cylinder (3), an ejector rod (4) and a guide sleeve (5),
The base (2) is arranged on the bottom plate (1), the retaining cylinder (3) is detachably arranged on the base (2), the ejector rod (4) is arranged in the retaining cylinder (3), the top of the ejector rod (4) is provided with a bearing (6) for bearing a brake disc shaft (100), the guide sleeve (5) is placed in the retaining cylinder (3), the bearing (6) is positioned in the guide sleeve (5), and the brake disc shaft (100) can rotate in the guide sleeve (5);
the base (2) comprises a half pipe (7) and an A base plate (8), the half pipe (7) is fixedly arranged on the A base plate (8), and the A base plate (8) is detachably arranged on the bottom plate (1) through bolts;
The top of the half pipe (7) is provided with a split flange (9), a semicircular fixing part of the split flange (9) is arranged at the top of the half pipe (7), a semicircular locking part of the split flange (9) is arranged on the semicircular fixing part through bolts, and the holding cylinder (3) is fixed through the split flange (9);
A guide hole (10) is formed in the open top of the holding cylinder (3), the guide sleeve (5) is a rolling guide sleeve, the guide sleeve (5) is arranged in the guide hole (10), an annular holding cover (11) is arranged at the top of the holding cylinder (3), the annular holding cover (11) is positioned above the guide sleeve (5) and is limited with the guide sleeve (5) in a clearance fit manner, a lower cover (12) is arranged at the bottom of the holding cylinder (3), and the annular holding cover (11) and the lower cover (12) are respectively detachably arranged on the holding cylinder (3) through bolts;
a threaded hole is formed in the center of the lower cover (12), threads are formed in the outer wall of the ejector rod (4), the ejector rod (4) is installed in the threaded hole of the lower cover (12) in a threaded mode and locked through a nut, and square protrusions (13) are arranged at the bottom of the ejector rod (4);
The top of the ejector rod (4) is provided with a bearing supporting table (14), the center of the bearing supporting table (14) is provided with a bearing lower ring fixing protrusion (15), the top of the bearing lower ring fixing protrusion (15) is provided with an anti-falling groove (16), the upper part of the anti-falling groove (16) is an oblong hole, the lower part of the anti-falling groove (16) is a circular hole, the volume of the circular hole is larger than that of the oblong hole, an L-shaped part (17) is arranged in the anti-falling groove (16), the bottom of the L-shaped part (17) is provided with an arc-shaped protrusion (18) matched with the oblong hole, the top of the L-shaped part (17) is provided with a bearing upper ring fixing protrusion (19), the lower part of the L-shaped part (17) is arranged in the anti-falling groove (16), the bearing (6) is a thrust ball bearing, the lower ring of the bearing (6) is arranged on the bearing lower ring fixing protrusion (15), and the upper ring of the bearing (6) is arranged on the bearing upper ring fixing protrusion (19);
The brake disc shaft (100) is arranged on the brake disc (101) through bolts, the bottom of the brake disc shaft (100) is placed in the guide sleeve (5), the bottom surface of the brake disc shaft (100) is propped against the bearing (6), the bottom surface of the brake disc (101) is firstly pressed against the meter rod measuring contact of the B percentage meter (25), at the moment, the meter rod cap of the A percentage meter (22) is pinched, the meter rod is lifted upwards, the A percentage meter (22) is rotated, the meter rod measuring contact of the A percentage meter (22) is propped against the top surface of the brake disc (101), the brake disc (101) is rotated, namely, the jumping amount of the brake disc (101) is detected through the pointer rotation amounts of the A percentage meter (22) and the B percentage meter (25), after detection, the meter rod cap of the A percentage meter (22) is pinched, the meter rod is lifted upwards, the A percentage meter (22) is rotated to avoid the brake disc (101), at the moment, the brake disc (101) can be taken out upwards and placed next to be detected,
The wrench sleeve is used for screwing the ejector rod (4) on the square bulge (13) to move up and down along the threaded hole at the center of the lower cover (12) so as to adjust the position of the bearing (6) in the guide sleeve (5) and can be used for adjusting the detection height of the brake disc during installation,
The position of the holding cylinder (3) on the base (2) can be adjusted by loosening the bolts on the split flange (9), the detection height of the brake disc can be adjusted,
When the brake disc shaft (100) rotates, the brake disc shaft is supported to rotate through the bearing (6), the outer wall of the brake disc shaft (100) is limited through the guide sleeve (5), so that the brake disc shaft is kept at the same rotation center when rotating, the guide sleeve (5) can rotate in the guide hole (10) through the ball,
The half pipe (7) can be inserted into a spanner to twist the ejector rod (4) after the whole tool is installed,
When the L-shaped piece (17) is installed, the arc-shaped bulge (18) is aligned with the anti-falling groove (16), the L-shaped piece (17) is inserted into the anti-falling groove (16), and then the L-shaped piece (17) rotates in the anti-falling groove (16) for a certain angle, so that the L-shaped piece (17) can be prevented from being pulled out through the anti-falling groove (16).
2. The fixture for measuring runout of the double sides of the brake disc according to claim 1 is characterized in that the lower ring of the bearing (6) is in interference fit with the lower ring fixing protrusion (15) of the bearing, and the upper ring of the bearing (6) is in interference fit with the upper ring fixing protrusion (19) of the bearing.
3. The fixture for measuring the runout of the double sides of the brake disc according to claim 1, wherein the indicating type measuring tool consists of a top surface measuring mechanism and a bottom surface measuring mechanism, the top surface measuring mechanism comprises an A screw rod (20), an A meter frame nut (21) and an A dial indicator (22), the A screw rod (20) is detachably arranged on a bottom plate (1), the A dial indicator (22) is arranged on the A screw rod (20) through the A meter frame nut (21), and a meter rod measuring contact of the A dial indicator (22) abuts against the top surface of the brake disc (101); the bottom surface measuring mechanism comprises a B screw rod (23), a B meter frame nut (24) and a B dial indicator (25), wherein the B screw rod (23) is detachably arranged on the bottom plate (1), the B dial indicator (25) is arranged on the B screw rod (23) through the B meter frame nut (24), and a meter rod measuring contact of the B dial indicator (25) abuts against the bottom surface of the brake disc (101).
4. The fixture for measuring the runout of the double sides of the brake disc according to claim 3 is characterized in that the structure of the A meter frame nut (21) is identical to that of the B meter frame nut (24), one end of the A meter frame nut (21) is a fixed ring (26), threads are arranged in the fixed ring (26), the fixed ring (26) is arranged on the A screw rod (20) in a threaded mode, the other end of the A meter frame nut (21) is a clamping jaw (27), a meter rod mounting hole is formed in the end portion of the clamping jaw (27), a meter rod of the A meter (22) is located in the meter rod mounting hole, a thread clearance adjusting hole (28) and a meter rod clamping hole (29) are formed in the side wall of the clamping jaw (27), a screw is screwed into the thread clearance adjusting hole (28) to adjust a thread fit clearance between the fixed ring (26) and the A screw rod (20), and the screw is screwed into the meter rod clamping hole (29) to clamp a meter rod of the A meter (22).
5. The fixture for measuring the runout of the double sides of the brake disc according to claim 4, wherein the bottoms of the A screw rod (20) and the B screw rod (23) are respectively provided with a B base plate (30), and the A screw rod (20) and the B screw rod (23) are detachably mounted on the bottom plate (1) through the B base plate (30) and the screws respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310586428.8A CN116499333B (en) | 2023-05-24 | 2023-05-24 | Double-sided runout measuring tool for brake disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310586428.8A CN116499333B (en) | 2023-05-24 | 2023-05-24 | Double-sided runout measuring tool for brake disc |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116499333A CN116499333A (en) | 2023-07-28 |
| CN116499333B true CN116499333B (en) | 2024-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310586428.8A Active CN116499333B (en) | 2023-05-24 | 2023-05-24 | Double-sided runout measuring tool for brake disc |
Country Status (1)
| Country | Link |
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| CN (1) | CN116499333B (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN116499333A (en) | 2023-07-28 |
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