CN212843509U - Brake pad flatness detection device - Google Patents
Brake pad flatness detection device Download PDFInfo
- Publication number
- CN212843509U CN212843509U CN202021317237.XU CN202021317237U CN212843509U CN 212843509 U CN212843509 U CN 212843509U CN 202021317237 U CN202021317237 U CN 202021317237U CN 212843509 U CN212843509 U CN 212843509U
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- China
- Prior art keywords
- fixed
- bottom plate
- flatness detecting
- brake lining
- flatness
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- Expired - Fee Related
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- 238000001514 detection method Methods 0.000 title claims abstract description 37
- 230000005540 biological transmission Effects 0.000 claims description 21
- 238000003825 pressing Methods 0.000 claims description 16
- 239000000523 sample Substances 0.000 claims description 5
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000002783 friction material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model discloses a brake lining flatness detection device, including bottom plate and backing plate, be fixed with the backing plate on the bottom plate, the brake lining is placed on the backing plate, be fixed with the compact structure on the bottom plate, the bottom plate below is equipped with the drive structure, drive structure and connecting rod fixed connection, the connecting rod is articulated with the slider, the slider can slide on ring rail, be fixed with the flatness detection structure on the slider. The beneficial effects of the utility model are that, when carrying out the plane degree to the different positions of brake lining and detecting, need not to dismantle the part, move on ring rail through drive structure drive plane degree detection table, can detect at the different angles that need not to dismantle the brake lining under the condition of brake lining mounted position.
Description
Technical Field
The utility model relates to a railway rolling stock accessory makes technical field, especially a brake lining flatness detecting device.
Background
The brake pad is formed by combining four parts, namely a steel backing, a triangular support, a friction body and a positioning clamp spring, is one of key safety parts in a high-speed rail braking system of the motor train unit, and can play roles in emergency braking and composite braking of the motor train unit, anti-skid control, speed reduction and the like. The qualified brake pads can guarantee the safety of high-speed trains and personnel, when the bullet train brake pads work, the brake pad friction blocks are in contact with the brake disc under certain pressure, if the flatness of the brake pads is poor, partial friction blocks or individual friction blocks can be in contact with the brake disc, eccentric wear is caused, and meanwhile, the brake disc is excessively worn, gullies and steps appear, and the braking effect is directly influenced. Therefore, the flatness of the brake pad is a very critical evaluation factor in the quality of brake pad products, and directly influences the use effect of the brake pad. Need be in the flatness that uses the detection brake lining earlier stage, current brake lining flatness detects puts the brake lining on the platform, friction material is downward, select for use the appropriate briquetting of weight to push down the motor car brake lining, then detect the clearance between each position of friction material and the platform with measuring the feeler gauge, this method detects with the feeler gauge, it is higher to operating personnel's requirement, the error that manual operation exists is great, simultaneously, need dismantle the brake lining and re-clamp when detecting the flatness of different positions, detection efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the above problem, a brake lining flatness detecting device has been designed, including bottom plate and backing plate, be fixed with the backing plate on the bottom plate, the brake lining is placed on the backing plate, be fixed with the compression structure on the bottom plate, the bottom plate below is equipped with the drive structure, drive structure and connecting rod fixed connection, connecting rod and slider fixed connection, the slider can slide on ring rail, be fixed with flatness detection structure on the slider.
The flatness detection structure comprises a fixed column fixed on the sliding block, a movable sleeve is sleeved on the fixed column and can slide along the fixed column, and a flatness detection meter is fixed on the movable sleeve.
An electric telescopic rod is fixed between the fixed sleeve and the flatness detection meter.
The inner side and the outer side of the annular guide rail are respectively provided with an annular sliding groove, the side wall of the annular sliding groove can roll through the roller, and the fixed rod on the roller is fixedly connected with the sliding block.
The pressing structure comprises an air cylinder fixed on the bottom plate, a pressing plate is fixed at the push rod end of the air cylinder, a positioning pin is further fixed on the bottom plate, one end of the pressing plate is fixed on the upper portion of the air cylinder, and the other end of the pressing plate extends out of the air cylinder and is arranged above the brake pad.
The air cylinders are arranged in two groups, and the two groups of air cylinders are respectively arranged on two sides of the base plate.
The driving structure comprises a motor, an output shaft of the motor is connected with a first transmission shaft, a first chain wheel is sleeved on the first transmission shaft, a chain is arranged between the first chain wheel and a second chain wheel, the second chain wheel is sleeved on a second transmission shaft, and the first transmission shaft and the second transmission shaft are rotatably connected with the bottom plate.
One end of the connecting rod is fixedly connected with the sliding block, and the other end of the connecting rod is fixedly connected with one chain link of the chain.
And the probe of the flatness detection meter is vertical to the upper surface of the backing plate.
The annular guide rail is arranged outside the bottom plate in an enclosing mode, the annular guide rail is fixed on the rack, and the bottom of the bottom plate is fixedly provided with the stand column.
Utilize the technical scheme of the utility model a brake lining plane degree detection device of preparation when carrying out the plane degree to the different positions of brake lining and detecting, need not to dismantle the part, moves on ring rail through drive structure drive plane degree detection table, can detect at the different angles that need not to dismantle the brake lining under the condition of brake lining mounted position.
Drawings
Fig. 1 is a perspective view of a brake pad flatness detecting apparatus according to the present invention;
fig. 2 is a schematic view of a pressing structure of the brake pad flatness detecting apparatus of the present invention;
fig. 3 is a schematic view of a driving structure and a flatness detecting structure of a brake pad flatness detecting apparatus according to the present invention;
fig. 4 is a schematic view illustrating a driving structure of a brake pad flatness detecting apparatus according to the present invention connected to an annular guide rail;
fig. 5 is a schematic view illustrating the connection between the ring-shaped guide rail and the roller of the brake pad flatness detecting apparatus of the present invention;
in the figure, 1, a bottom plate; 2. a base plate; 3. a brake pad; 4. a compression structure; 41. a cylinder; 42. pressing a plate; 43. positioning pins; 5. a drive structure; 51. a motor; 52. a first drive shaft; 53. a first sprocket; 54. a second sprocket; 55. a second drive shaft; 56. a chain; 6. a connecting rod; 7. a slider; 8. an annular guide rail; 81. an annular chute; 9. a flatness detection structure; 91. fixing a column; 92. Moving the sleeve; 93. a flatness detection table; 94. an electric telescopic rod; 95. adjusting the bolt; 96. clamping a hoop; 10. a roller; 11. a frame; 12. and (4) a column.
Detailed Description
For a better understanding of the present invention, the following further description is given in conjunction with the following embodiments and accompanying drawings. As shown in fig. 1 to 5, a brake pad flatness detecting apparatus includes a base plate 1 and a backing plate 2, the backing plate 2 is fixed on the base plate 1, a brake pad 3 is placed on the backing plate 2, a compressing structure 4 is fixed on the base plate 1, a driving structure 5 is arranged below the base plate 1, the driving structure 5 is fixedly connected with a connecting rod 6, the connecting rod 6 is fixedly connected with a slider 7, the slider 7 can slide on an annular guide rail 8, and a flatness detecting structure 9 is fixed on the slider 7. The driving structure 5 drives the flatness detection structure 9 to move on the annular guide rail 8, so that the flatness detection structure 9 can detect the flatness of the brake pad at different positions for many times under the condition that the brake pad and the flatness detection meter are not required to be disassembled.
The pressing structure 4 comprises an air cylinder 41 fixed on the bottom plate 1, a pressing plate 42 is fixed at a push rod end of the air cylinder 41, a positioning pin 43 is further fixed on the bottom plate 1, one end of the pressing plate 42 is fixed at the upper part of the air cylinder 41, and the other end of the pressing plate extends out of the air cylinder 41 and is arranged above the brake pad 3. The air cylinders 41 are provided with two groups, and the two groups of air cylinders 41 are respectively arranged on two sides of the backing plate 2. The push rod of the cylinder 41 extends to drive the pressing plate 42 to move, and in the process, the pressing plate 42 can press the brake lining 3 on the backing plate 2. The cylinders 41 are provided with two groups, and each group of cylinders 41 is provided with 2 cylinders, so that the brake lining 3 is pressed on the backing plate 2 without deflection and play.
The driving structure 5 comprises a motor 51, an output shaft of the motor 51 is connected with a first transmission shaft 52, a first chain wheel 53 is sleeved on the first transmission shaft 52, a chain 56 is arranged between the first chain wheel 53 and a second chain wheel 54, the second chain wheel 54 is sleeved on a second transmission shaft 55, and the first transmission shaft 52 and the second transmission shaft 55 are rotatably connected with the bottom plate 1. The motor 51 is started to drive the first chain wheel 53 and the first transmission shaft 52 to rotate, the first chain wheel 53 is equivalent to a driving chain wheel, the second chain wheel 54 and the second transmission shaft 55 rotate along with the first chain wheel, the second chain wheel 54 is equivalent to a driven chain wheel, bearings are arranged at two ends of the first transmission shaft 52 and the second transmission shaft 55, the first transmission shaft and the second transmission shaft 55 are driven to rotate, when the first chain wheel 53 and the second chain wheel 54 rotate, the chain 56 meshed with the first chain wheel and the second chain wheel rotate along with the first chain wheel and the second chain wheel, a chain link on the chain 56 is fixedly connected with the connecting rod 6 through a fixed seat, the other end of the connecting rod 6 is fixedly connected with the sliding block 7, when the chain 56 rotates, the connecting rod 6 drives the sliding block 7 to move on the annular guide rail 8, the flatness detection structure 9 moves along the annular guide rail 8, and in the process. The distance between the inner wall and the outer wall of the annular guide rail 8 is the same, the distance between the inner side and the outer side at the arc sections of the four corners is consistent with the distance of the straight line sections, and the distance between the chain 56 and the annular guide rail 8 is also consistent at each chain link, so that the sliding block 7 can slide along the annular guide rail.
The inner side and the outer side of the annular guide rail 8 are respectively provided with an annular sliding groove 81, the roller 10 can roll on the side wall of the annular sliding groove 81, and a fixed rod on the roller 10 is fixedly connected with the sliding block 7. The rollers 10 roll along the annular sliding grooves 81, ensuring that the flatness detecting structure 9 moves on the annular guide rail 8.
The flatness detection structure 9 includes a fixed column 91 fixed on the slider 7, a movable sleeve 92 is sleeved on the fixed column 91 and can slide along the fixed column 91, and a flatness detection meter 93 is fixed on the movable sleeve 92. An electric telescopic rod 94 is fixed between the fixed sleeve and the flatness detection meter 93. In the use, earlier remove the cover 92 on fixed column 91 to the position that flatness detection table 93 and brake lining 3 contacted, with the fixed position of removing cover 92 on fixed column 91 of adjusting bolt 95, wherein, flatness detection table 93 is percentage table or amesdial, remove cover 92 and electric telescopic handle 94 fixed connection, electric telescopic handle 94 other end is fixed with clamp 96, clamp 96 plays the positioning action to flatness detection table 93, when carrying out flatness detection to different positions on brake lining 3, can adjust the operating position that flatness detection table 93 was measured to the flatness through electric telescopic handle 94.
The probe of the flatness detection gauge 93 is perpendicular to the upper surface of the backing plate 2. When the flatness detection table 93 is used for detecting the flatness of the surface of the brake pad 3, the probe of the flatness detection table 93 is required to be perpendicular to the upper surface of the backing plate 2, so that the measured result is accurate.
The annular guide rail 8 is arranged outside the bottom plate 1 in an enclosing mode, the annular guide rail 8 is fixed on the rack 11, and the bottom of the bottom plate 1 is fixedly provided with a stand column 12. The frame 11 plays a role in positioning and supporting the annular guide rail 8, and the upright post 12 plays a role in positioning and supporting the bottom plate 1.
The working process is as follows: firstly, the brake lining 3 is fixed on the backing plate 2 through the compression structure 4, and in the process, the pressing plate 42 is compressed on the brake lining 3 through the extension and retraction of the push rod of the air cylinder 41; the flatness detection meter 93 is fixed through the clamp 96, the position of the movable sleeve 92 on the fixed column 91 is adjusted, the probe of the flatness detection meter 93 is enabled to be abutted against the initial position to be detected on the brake pad 3, finally the chain 56 is driven to rotate through the starting motor 51, the connecting rod 6 fixed with one chain link on the chain 56 drives the sliding block 7 to move along the annular guide rail 8, the flatness detection meter 93 is further enabled to move, and the indicating number of the flatness detection meter 93 is observed so as to evaluate the flatness of the upper surface of the brake pad 3.
Above-mentioned technical scheme has only embodied the utility model discloses technical scheme's preferred technical scheme, some changes that this technical field's technical personnel probably made to some parts wherein have all embodied the utility model discloses a principle belongs to within the protection scope of the utility model.
Claims (10)
1. The utility model provides a brake lining flatness detection device, includes bottom plate (1) and backing plate (2), be fixed with backing plate (2) on bottom plate (1), brake lining (3) are placed on backing plate (2), its characterized in that, be fixed with compressing structure (4) on bottom plate (1), bottom plate (1) below is equipped with drive structure (5), drive structure (5) and connecting rod (6) fixed connection, connecting rod (6) and slider (7) fixed connection, slider (7) can slide on ring rail (8), be fixed with flatness detection structure (9) on slider (7).
2. The brake pad flatness detecting device according to claim 1, wherein the flatness detecting structure (9) includes a fixed post (91) fixed on the sliding block (7), a moving sleeve (92) is sleeved on the fixed post (91) and can slide along the fixed post (91), and a flatness detecting meter (93) is fixed on the moving sleeve (92).
3. The brake pad flatness detecting device according to claim 2, wherein an electric telescopic rod (94) is fixed between the moving sleeve (92) and the flatness detecting meter (93).
4. The brake pad flatness detecting device according to claim 1, wherein the inside and the outside of the annular guide rail (8) are respectively provided with an annular sliding groove (81), a roller (10) can roll on the side wall of the annular sliding groove (81), and a fixing rod on the roller (10) is fixedly connected with the sliding block (7).
5. The brake pad flatness detecting device according to claim 1, wherein the compressing structure (4) comprises a cylinder (41) fixed on the bottom plate (1), a pressing plate (42) is fixed at a push rod end of the cylinder (41), a positioning pin (43) is further fixed on the bottom plate (1), one end of the pressing plate (42) is fixed at the upper part of the cylinder (41), and the other end of the pressing plate extends out of the cylinder (41) and is arranged above the brake pad (3).
6. The brake pad flatness detecting apparatus according to claim 5, wherein two sets of air cylinders (41) are provided, and two sets of air cylinders (41) are respectively provided on both sides of the backing plate (2).
7. The brake lining flatness detecting device according to claim 1, wherein the driving structure (5) includes a motor (51), an output shaft of the motor (51) is connected to a first transmission shaft (52), a first chain wheel (53) is sleeved on the first transmission shaft (52), a chain (56) is arranged between the first chain wheel (53) and a second chain wheel (54), the second chain wheel (54) is sleeved on a second transmission shaft (55), and the first transmission shaft (52) and the second transmission shaft (55) are rotatably connected to the base plate (1).
8. A brake lining flatness detecting device according to claim 7, characterized in that one end of the connecting rod (6) is fixedly connected with the slider (7), and the other end of the connecting rod (6) is fixedly connected with one link of the chain (56).
9. A brake lining flatness detecting apparatus according to claim 3, wherein the probe of the flatness detecting gauge (93) is perpendicular to the upper surface of the backing plate (2).
10. The brake lining flatness detecting device according to claim 1, wherein the ring-shaped guide rail (8) is arranged around the bottom plate (1), the ring-shaped guide rail (8) is fixed on a frame (11), and a column (12) is fixed at the bottom of the bottom plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021317237.XU CN212843509U (en) | 2020-07-07 | 2020-07-07 | Brake pad flatness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021317237.XU CN212843509U (en) | 2020-07-07 | 2020-07-07 | Brake pad flatness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212843509U true CN212843509U (en) | 2021-03-30 |
Family
ID=75181864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021317237.XU Expired - Fee Related CN212843509U (en) | 2020-07-07 | 2020-07-07 | Brake pad flatness detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212843509U (en) |
-
2020
- 2020-07-07 CN CN202021317237.XU patent/CN212843509U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210330 |