CN209745172U - Motor car brake lining adjuster detects frock - Google Patents
Motor car brake lining adjuster detects frock Download PDFInfo
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- CN209745172U CN209745172U CN201920473518.5U CN201920473518U CN209745172U CN 209745172 U CN209745172 U CN 209745172U CN 201920473518 U CN201920473518 U CN 201920473518U CN 209745172 U CN209745172 U CN 209745172U
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- brake pad
- convex body
- adjuster
- spherical
- bullet train
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Abstract
the utility model provides a motor car brake lining adjuster detects frock includes: the outer diameters of the three standard spheres are equal to the theoretical inner diameter of a ball cup of the bullet train brake pad adjuster; the sphere mounting rack comprises a reference platform and a sphere mounting unit; the spherical convex body standard block is provided with a measuring plane, the lower part of the spherical convex body standard block is provided with a spherical groove, the diameter of the spherical groove is the same as the theoretical diameter of the spherical convex body of the bullet train brake pad adjuster, the vertical intersection of the extension line of the vertical central shaft of the spherical groove and the measuring plane is provided with a measuring datum point, and the top of the spherical groove is provided with a positioning hole matched with the pin shaft of the bullet train brake pad adjuster. Utilize the utility model discloses detect the frock, realization adjuster sphere convex body summit that can be ingenious detects to the planar perpendicular distance that three ball cup bottoms of cups found, the utility model discloses frock simple structure, structural design is reasonable, is suitable for extensive popularization and application.
Description
Technical Field
The utility model belongs to the technical field of brake block spare part detection area and specifically relates to a motor car brake lining adjuster detects frock.
Background
With the trend of high-speed development of trains, higher requirements are put on train braking. The brake pad for the current high-speed train adopts a brake pad structure with an adjuster, so that each friction block on the adjuster can be automatically adjusted to the same plane under the high-speed and high-pressure braking condition of the brake pad, the contact area during working is increased, the overheating fatigue is reduced, the heat dissipation capacity of the brake pad is improved, and the decline of the friction performance of the brake pad is overcome.
As shown in fig. 3-4, the conventional bullet train brake pad adjuster 60 includes a bearing plate 601 in the shape of a three-leaf petal, three ball cups 602 respectively disposed on the three-leaf petal, and a spherical convex body 603 disposed at the center of the three-leaf petal, wherein a pin 604 is disposed at the center of the spherical convex body 603. When the brake pad is used, the friction material block on the brake pad is arranged on the back plate through the adjuster, the spherical convex body on the friction material block is arranged in the spherical cup 602 of the adjuster 60, the spherical convex body 603 of the adjuster 60 is arranged in the spherical cup on the back plate, and the height of the friction block is adjusted to follow up within a certain range through the matching of the spherical convex body and the spherical cup among the friction material block, the adjuster and the back plate during braking, so that the friction block on the brake pad is ensured to be simultaneously contacted with a brake disc, the braking effect is ensured, and a certain buffering effect is also realized; because the adjuster is a bridge arranged between the back plate and the friction material block, the vertical distance from the vertex of the spherical convex body of the adjuster (the intersection point of the axis of the pin shaft and the spherical surface of the spherical convex body) to the plane constructed by the bottom plane of the spherical cup on the adjuster is more important in the processing process, and important detection and control are needed. However, the conventional detection method cannot obtain the vertical distance from the vertex of the spherical convex body to the plane constructed by the bottom of the three-ball cup, and cannot realize more accurate detection and control of the size, so that a detection tool for the bullet train brake pad adjuster is urgently needed to realize the detection of the vertical distance from the vertex of the spherical convex body of the adjuster to the plane constructed by the bottom of the three-ball cup.
SUMMERY OF THE UTILITY MODEL
In view of the above prior art's shortcoming, the utility model aims to provide a motor car brake lining adjuster detects frock for can't detect the effective height on plane to adjuster sphere convex body summit that three ball cup bottom of cup found among the solution prior art, measuring error is big, the problem of inefficiency.
In order to realize above-mentioned purpose and other relevant purpose, the utility model provides a motor car brake lining adjuster detects frock, include:
The outer diameters SD of the three standard spheres are equal to the theoretical inner diameter of the ball cup of the bullet train brake pad adjuster;
The ball mounting rack comprises a reference platform and a ball mounting unit which can mount the three standard balls on the reference platform according to the positions of the three ball cups of the bullet train brake pad adjuster;
The device comprises a spherical convex body standard block, wherein a measuring plane is arranged on the upper portion of the spherical convex body standard block, a spherical groove is arranged on the lower portion of the spherical convex body standard block, the diameter of the spherical groove is the same as the theoretical diameter of a spherical convex body of the bullet train brake pad adjuster, a measuring datum point is arranged at the vertical intersection of the vertical central shaft extension line of the spherical groove and the measuring plane, the depth of the spherical groove is smaller than the minimum height of the spherical convex body of the bullet train brake pad adjuster allowed by tolerance, a positioning hole matched with a pin shaft of the bullet train brake pad adjuster is arranged at the top of the spherical groove, and the axis of the positioning hole is coincident with the extension line of the vertical central shaft of the spherical groove.
Preferably, the sphere mounting unit includes a sphere pressing plate and a connection structure, three circular through holes with the same diameter are provided on the sphere pressing plate, the positions of the three circular through holes correspond to the positions of the three ball cups on the adjuster, the diameter of the circular through hole is smaller than that of the standard sphere, and the sphere pressing plate is mounted on the reference platform through the connection structure and presses and mounts the three standard spheres on the reference platform from top to bottom.
furthermore, the connecting structure comprises at least two groups of bolt connecting structures, each bolt connecting structure comprises a connecting through hole arranged on the sphere pressing plate, and a threaded hole and a bolt arranged on the reference platform, and the small end of the bolt penetrates through the connecting through hole to be in threaded connection with the threaded hole.
Further, motor car brake lining adjuster detects frock still includes: a height measuring device.
Furthermore, the height measuring device is installed on the reference platform, a zero line of the height measuring device and the table top of the reference platform are at the same height, and a measuring head of the height measuring device can extend to be installed above the three standard spheres on the sphere installation frame.
Preferably, the spherical convex body standard block is a cylinder, the vertical central axis of the spherical groove is coincident with the central axis of the cylinder, and the measuring datum point is arranged at the center of the upper bottom surface of the cylinder.
As above, the utility model discloses motor car brake lining adjuster detects frock has following beneficial effect: when the device is used, the three standard spheres are placed on the reference platform, are positioned and installed through the sphere installation unit, and the three ball cups of the bullet train brake pad adjuster are reversely buckled on the three standard spheres; then the spherical groove of the spherical convex body standard block is reversely buckled on the spherical convex body on the bullet train brake pad adjuster, and meanwhile, the positioning hole is sleeved on the pin shaft of the bullet train brake pad adjuster; and detecting the inclination angle alpha of the measuring plane on the spherical convex body standard block relative to the horizontal plane and the height H1 of the measuring reference point from the reference platform. Utilize the utility model discloses detect frock and detection method, realization adjuster sphere convex body summit that can be ingenious detects to the planar perpendicular distance of three ball cup bottoms of cups institute, the utility model discloses frock simple structure, structural design is reasonable, is suitable for extensive popularization and application.
drawings
The features and advantages of the invention will be more clearly understood by reference to the accompanying drawings, which are schematic and should not be understood as imposing any limitation on the invention, in which:
FIG. 1 shows an installation diagram of the detection tool for the brake pad adjuster of the bullet train of the present invention;
FIG. 2 is a schematic position diagram of the bolt connection structure of the brake pad adjuster detection tool of the invention;
FIG. 3 is a three-dimensional isometric view of a railcar brake pad adjuster;
figure 4 shows a front view of the bullet rail brake pad adjuster.
Reference numerals
10 standard sphere
20 sphere mounting rack
21 sphere mounting unit
22 reference platform
211 sphere pressing plate
2111 circular through hole
212 bolt
30 spherical convex body standard block
31 spherical groove
32 positioning hole
33 measuring plane
40 height measuring device
401 gauge head
60 adjuster
601 bearing plate
602 ball cup
603 spherical convex body
604 pin
Detailed Description
As shown in fig. 3-4, the conventional bullet train brake pad adjuster 60 includes a bearing plate 601 in the shape of a three-leaf petal, three ball cups 602 respectively disposed on the three-leaf petal, and a spherical convex body 603 disposed at the center of the three-leaf petal, wherein a pin 604 is disposed at the center of the spherical convex body 603. When the brake pad is used, the friction material block on the brake pad is arranged on the back plate through the adjuster 60, the spherical convex body on the friction material block is arranged in the spherical cup 602 of the adjuster 60, the spherical convex body 603 of the adjuster 60 is arranged in the spherical cup on the back plate, and the height of the friction block is adjusted to follow up within a certain range through the matching of the spherical convex body and the spherical cup among the friction material block, the adjuster and the back plate during braking, so that the friction block on the brake pad is ensured to be simultaneously contacted with a brake disc, the braking effect is ensured, and a certain buffering effect is also realized; because the adjuster is the bridge of setting between backplate and friction material piece, so in the course of working, the planar vertical distance that adjuster sphere convex body summit (the nodical of round pin axle axis and sphere convex body sphere) established to the adjuster on three ball cup base plane seems more important, needs key detection control, based on this, the utility model provides a motor car brake lining adjuster detects frock carries out the planar vertical distance that adjuster sphere convex body summit to three ball cup base of cup establish and detects to realize more accurate inspection and the control of motor car brake lining adjuster.
in order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 obvious that the described embodiments are some, but not all, embodiments of the present invention. The drawings in the specification show the structure, ratio, size, etc. only for the purpose of matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and not for the purpose of limiting the present invention, so the present invention does not have the essential meaning in the art, and any structure modification, ratio relationship change or size adjustment should still fall within the scope covered by the technical content disclosed in the present invention without affecting the function and achievable purpose of the present invention. Meanwhile, the terms "upper", "lower", "front", "rear", "middle", and the like used in the present specification are for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also considered to be the scope of the present invention without substantial changes in the technical content.
As shown in fig. 1-2, the present embodiment provides a detecting tool for a brake pad adjuster 60 of a motor car, including:
The outer diameters SD of the three standard spheres 10 are equal to the theoretical inner diameter of the sphere 602 of the bullet train brake pad adjuster 60;
The sphere mounting rack 20 comprises a reference platform 22 and a sphere mounting unit 21 which can mount three standard spheres 10 on the reference platform 22 according to the positions of three spherical cups 602 of the brake pad adjuster 60;
the spherical convex body standard block 30 is characterized in that a measuring plane 33 is arranged at the upper part of the spherical convex body standard block 30, a spherical groove 31 is arranged at the lower part of the spherical convex body standard block 30, the diameter of the spherical groove 31 is the same as the theoretical diameter of a spherical convex body 603 of the bullet train brake pad adjuster 60, a measuring reference point A is arranged at the vertical intersection of the extension line of the vertical central axis of the spherical groove 31 and the measuring plane 33, the distance from the vertex of the spherical groove 31 (namely the intersection point of the vertical central axis and the top of the spherical surface in the spherical groove 31) to the measuring reference point is H, the depth H of the spherical groove 31 is smaller than the minimum height of the spherical convex body 603 of the bullet train brake pad adjuster 60 allowed by tolerance, a positioning hole 32 matched with a pin 604 of the bullet train brake pad adjuster 60 is arranged at the top of the spherical groove 31, and the axis.
During detection, the three standard spheres 10 are placed on a reference platform 22, the three standard spheres 10 are installed on the reference platform 22 through the sphere installation unit 21 according to the position relation among the three spheres 602 of the bullet train brake pad adjuster 60, and then the three spheres 602 of the bullet train brake pad adjuster 60 are reversely buckled on the three standard spheres 10; and then the spherical groove 31 of the spherical convex body standard block 30 is reversely buckled on the spherical convex body 603 on the bullet train brake pad adjuster 60, and meanwhile, the positioning hole 32 is sleeved on the pin shaft 604 of the bullet train brake pad adjuster 60, so that the measurement can be carried out. The inclination angle alpha of the measuring plane 33 on the spherical convex body standard block 30 relative to the horizontal plane and the distance H1 between the measuring reference point and the reference platform 22 are detected, and then the effective height from the plane constructed by the cup bottoms of the three spherical cups 602 to the top point of the spherical convex body 603 of the adjuster 60 is obtained through calculation. Utilize the utility model discloses detect frock and detection method, planar perpendicular distance that can ingenious realization adjuster 60 spherical convex body 603 summit to three ball cup 602 bottoms of cups found detects, the utility model discloses frock simple structure, structural design is reasonable, is suitable for extensive popularization and application.
the utility model provides a spheroid installation unit 21 also can be for can realize among the prior art that three standard spheroid 10 is according to multiple structure and mode of the three ball cup 602 position installation of motor car brake lining adjuster 60, preferably, spheroid installation unit 21 includes spheroid pressure strip 211 and connection structure in this embodiment, be provided with the circular through-hole 2111 that three diameter equals on the spheroid pressure strip 211, three ball cup 602 position on three circular through-hole 2111's position and the adjuster 60 is corresponding, circular through-hole 2111's diameter is less than the diameter of standard spheroid 10, spheroid pressure strip 211 passes through connection structure and installs on benchmark platform 22 and from last down compress tightly three standard spheroid 10 and install on benchmark platform 22. The installation structure can not cause the error of the standard sphere 10 in the height direction, and the whole measuring process is more accurate.
The utility model provides a connection structure can be for fixing the multiple structure on benchmark platform 22 with spheroid pressure strip 211, connection structure includes at least two sets of bolted connection structures in this embodiment (say theoretically two sets of location that can realize three standard spheroid 10 and compress tightly the installation), but the preferred, connection structure in this embodiment includes six sets of bolted connection structures, as shown in fig. 2, three circular through-hole 2111 is provided with the concentric pitch circle that the diameter equals outward, on the three sets of three concentric pitch circle's of evenly distributed respectively crosspoint in six sets of bolts 212, remaining three sets of bolts 212 set up respectively on three concentric pitch circle, and equally divide three concentric pitch circle, this kind of connected mode can make the more even dispersion of pressure around standard spheroid 10, prevent the standard spheroid 10 that causes because of the atress inequality and shift. The bolt 212 connecting structure comprises a connecting through hole arranged on the sphere pressing plate 211, a threaded hole arranged on the reference platform 22 and a bolt 212, wherein the small end of the bolt 212 penetrates through the connecting through hole to be in threaded connection with the threaded hole.
The utility model discloses the frock can not set up special high measuring device 40, and adopts ordinary height measuring device, nevertheless for the convenience of measurement, motor car brake lining adjuster 60 detects the frock and still includes special high measuring device 40 in this embodiment, and high measuring device 40 is installed on reference platform 22, and high measuring device 40's zero line and reference platform 22's mesa are on same height, and high measuring device 40's gauge head 401 can extend the measurement datum point A department on the protruding standard block of installation back sphere.
in order to realize more accurate measurement, the height measuring device 40 in this embodiment is a digital height gauge.
The utility model discloses well spherical convex body standard block 30's shape is unrestricted, but spherical convex body standard block 30 is a cylinder in this embodiment of preferred, and the vertical center pin of spherical recess 31 coincides mutually with the center axis of cylinder, measures datum point A and sets up the center department in the last bottom surface of cylinder.
As shown in fig. 1, the utility model discloses the frock detects including following step:
Placing the three standard spheres 10 on the reference platform 22, positioning and installing the three standard spheres 10 through the sphere installation unit 21, and reversely buckling the three ball cups 602 of the bullet train brake pad adjuster 60 on the three standard spheres 10
then the spherical groove 31 of the spherical convex body standard block 30 is reversely buckled on the spherical convex body 603 on the bullet train brake pad adjuster 60, and meanwhile, the positioning hole 32 is sleeved on the pin shaft 604 of the bullet train brake pad adjuster 60;
detecting the inclination angle of the measuring plane 33 on the spherical convex body standard block 30 and the distance H1 between the measuring reference point A and the reference platform; and the effective height X from the plane constructed by the cup bottoms of the three spherical cups 602 to the top point of the spherical convex body 603 of the adjuster 60 is obtained by the following formula
X＝H1-SD-H*cosα
H1- -measuring the distance of the reference point from the reference platform;
SD — standard sphere diameter;
H, the distance from the vertex of the spherical groove to the measuring reference point;
Alpha-the angle of inclination of the measuring plane on the spherical convex body standard block;
In conclusion, utilize the utility model discloses detect frock and detection method, planar perpendicular distance that realization adjuster sphere convex body summit to three ball cup bottoms of cup found that can be ingenious detects, the utility model discloses frock simple structure, structural design is reasonable, is suitable for extensive popularization and application. Therefore, the utility model discloses thereby effectively overcome some practical problems among the prior art and had very high use value and use meaning.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. The present invention can be modified in many ways without departing from the spirit and scope of the present invention, and those skilled in the art can modify or change the embodiments described above without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (6)
1. The utility model provides a motor car brake lining adjuster detects frock which characterized in that includes:
The outer diameters SD of the three standard spheres are equal to the theoretical inner diameter of the ball cup of the bullet train brake pad adjuster;
the ball mounting rack comprises a reference platform and a ball mounting unit which can mount the three standard balls on the reference platform according to the positions of the three ball cups of the bullet train brake pad adjuster;
The device comprises a spherical convex body standard block, wherein a measuring plane is arranged on the upper portion of the spherical convex body standard block, a spherical groove is arranged on the lower portion of the spherical convex body standard block, the diameter of the spherical groove is the same as the theoretical diameter of a spherical convex body of the bullet train brake pad adjuster, a measuring datum point is arranged at the vertical intersection of the vertical central shaft extension line of the spherical groove and the measuring plane, the depth of the spherical groove is smaller than the minimum height of the spherical convex body of the bullet train brake pad adjuster allowed by tolerance, a positioning hole matched with a pin shaft of the bullet train brake pad adjuster is arranged at the top of the spherical groove, and the axis of the positioning hole is coincident with the extension line of the vertical central shaft of the spherical groove.
2. The detection tool for the bullet train brake pad adjuster according to claim 1, wherein the sphere mounting unit comprises a sphere pressing plate and a connecting structure, three circular through holes with the same diameter are formed in the sphere pressing plate, the three circular through holes correspond to three ball cups on the adjuster in position, the diameter of each circular through hole is smaller than that of each standard sphere, the sphere pressing plate is mounted on the reference platform through the connecting structure and presses and mounts the three standard spheres on the reference platform from top to bottom, and the height difference between the highest position on the sphere pressing plate and the vertex of each standard sphere is larger than the maximum depth allowed by the ball cups.
3. The detection tool for the bullet train brake pad adjuster according to claim 2, wherein the connection structure comprises at least two groups of bolt connection structures, each bolt connection structure comprises a connection through hole formed in the ball pressing plate, and a threaded hole and a bolt which are arranged on the reference platform, and the small end of the bolt penetrates through the connection through hole and is in threaded connection with the threaded hole.
4. the detecting tool for the bullet train brake pad adjuster according to claim 2, further comprising: a height measuring device.
5. the detection tool for the bullet train brake pad adjuster according to claim 4, wherein the height measuring device is mounted on the reference platform, a zero line of the height measuring device is at the same height as a table top of the reference platform, and a measuring head of the height measuring device can extend above the three standard spheres mounted on the sphere mounting frame.
6. The detection tool for the bullet train brake pad adjuster according to claim 1, wherein the spherical convex body standard block is a cylinder, the vertical central axis of the spherical groove coincides with the central axis of the cylinder, and the measurement datum point is arranged at the center of the upper bottom surface of the cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920473518.5U CN209745172U (en) | 2019-04-10 | 2019-04-10 | Motor car brake lining adjuster detects frock |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920473518.5U CN209745172U (en) | 2019-04-10 | 2019-04-10 | Motor car brake lining adjuster detects frock |
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| Publication Number | Publication Date |
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| CN209745172U true CN209745172U (en) | 2019-12-06 |
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| CN201920473518.5U Active CN209745172U (en) | 2019-04-10 | 2019-04-10 | Motor car brake lining adjuster detects frock |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109990685A (en) * | 2019-04-10 | 2019-07-09 | 山东金麒麟股份有限公司 | A kind of motor-car brake lining adjuster detecting tool and detection method |
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2019
- 2019-04-10 CN CN201920473518.5U patent/CN209745172U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109990685A (en) * | 2019-04-10 | 2019-07-09 | 山东金麒麟股份有限公司 | A kind of motor-car brake lining adjuster detecting tool and detection method |
| CN109990685B (en) * | 2019-04-10 | 2024-01-26 | 山东金麒麟股份有限公司 | Brake pad adjuster detection tool and detection method for motor train |
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