CN114485361A - Driving-disc flatness measures frock - Google Patents
Driving-disc flatness measures frock Download PDFInfo
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- CN114485361A CN114485361A CN202210238161.9A CN202210238161A CN114485361A CN 114485361 A CN114485361 A CN 114485361A CN 202210238161 A CN202210238161 A CN 202210238161A CN 114485361 A CN114485361 A CN 114485361A
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- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims description 33
- 238000005259 measurement Methods 0.000 abstract description 13
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
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- 230000007547 defect Effects 0.000 description 1
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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
- G01B5/28—Measuring arrangements characterised by the use of mechanical techniques for measuring roughness or irregularity of surfaces
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention belongs to the technical field of flatness measuring devices, and particularly relates to a driving disc flatness measuring tool, aiming at the problem that currently, for professional dimension measurement, three-coordinate measurement is usually adopted, the measurement is not accurate enough, the operation efficiency is low, and the production process is seriously lagged, the driving disc flatness measuring tool comprises an operation table, wherein the top of the operation table is rotatably connected with a placing disc, the bottom of the placing disc is fixedly provided with a positioning shaft, the bottom of the operation table is fixedly provided with a motor, an output shaft of the motor is in transmission connection with the positioning shaft, the bottom of the operation table is fixedly provided with four symmetrically-arranged supporting legs, two symmetrically-arranged positioning rods are slidably connected onto the operation table, and the top ends of the positioning rods are rotatably connected with fixing rods. The invention has simple operation and convenient use, can conveniently clamp and fix the driving disc, can also measure the positions of the driving disc in different directions, and is convenient for people to use.
Description
Technical Field
The invention relates to the technical field of flatness measuring devices, in particular to a driving disc flatness measuring tool.
Background
The automobile driving disc is an important transmission disc part of an engine crankshaft and a hydraulic torque converter in an automobile and is used for an automatic transmission automobile. The driving disk is connected with the engine crankshaft and two transmission parts of the hydraulic torque converter of the automatic gearbox, transmits torque to the hydraulic torque converter, and can be driven by the motor when the automobile is started to enable the crankshaft to rotate. When the automobile driving disc works, the driving disc bears the radial torque which is generated when a crankshaft drives the hydraulic torque converter to act on the driving disc during running of an automobile and when the automobile starts, the motor drives the outer ring gear to generate the radial torque, and the flatness measurement is needed to be carried out when the automobile driving disc is processed to ensure the accuracy of the automobile driving disc.
At present, for professional size measurement, three coordinates are usually used for measurement, the measurement is not accurate enough, the operation efficiency is low, and the production process is delayed seriously.
Disclosure of Invention
The invention aims to solve the defects that the conventional three-coordinate measurement is usually adopted for professional dimension measurement, the measurement is not accurate enough, the operation efficiency is low, and the production process is seriously lagged, and provides a driving disc flatness measuring tool.
In order to achieve the purpose, the invention adopts the following technical scheme:
a driving disc flatness measuring tool comprises an operation table, wherein the top of the operation table is rotatably connected with a placing disc, the bottom of the placing disc is fixedly provided with a positioning shaft, the bottom of the operation table is fixedly provided with a motor, an output shaft of the motor is in transmission connection with the positioning shaft, the bottom of the operation table is fixedly provided with four symmetrically arranged supporting legs, the operation table is slidably connected with two symmetrically arranged positioning rods, the top ends of the positioning rods are rotatably connected with fixing rods, the positioning rods are provided with positioning mechanisms which are matched with the fixing rods, the two fixing rods are fixedly provided with supporting rods, one of the two supporting rods is provided with a dial indicator which is matched with the placing disc, the bottom of the operation table is provided with a reciprocating mechanism which is matched with the corresponding positioning rod, and the reciprocating mechanism is in transmission connection with the positioning shaft, the top of the placing plate is fixedly provided with a fixed seat, the fixed seat is provided with a clamping mechanism, and the clamping mechanism is matched with the placing plate.
Preferably, the reciprocating mechanism comprises two rotating shafts, the two rotating shafts are rotatably mounted at the bottom of the operating platform, cams are fixedly mounted at the bottom ends of the rotating shafts, ejection posts are fixedly mounted at one sides of the positioning rods, baffles are fixedly mounted at one ends of the ejection posts and are matched with the corresponding cams, driving gears are fixedly mounted on the positioning shafts, driven gears are fixedly mounted on the rotating shafts and are meshed with the two driven gears, two symmetrically-arranged sliding holes are formed in the operating platform, sliding rods are fixedly mounted on the inner walls of the sliding holes and are slidably connected with the corresponding positioning rods, return springs are fixedly mounted on the inner walls of one sides of the sliding holes, one ends of the return springs are fixedly connected with the corresponding positioning rods, the rotating positioning shafts can drive the two rotating shafts to rotate through the mutual meshing of the driving gears and the two driven gears, and the rotating shafts are matched with the cams and the baffles, thereby can drive the locating lever round trip movement, and then drive the amesdial and make a round trip to place the dish on the driving-disc measure.
Preferably, the positioning mechanism comprises two rotating plates which are fixedly mounted on the positioning rod and the fixing rod respectively, positioning holes are formed in the two rotating plates, the two positioning holes are movably connected with the same positioning pin, and the positioning rod and the fixing rod can be fixed through the positioning holes in the two rotating plates and the positioning pin.
Preferably, the clamping mechanism comprises two symmetrically-arranged wedge-shaped clamping blocks, positioning grooves are formed in two sides of the fixing base, the wedge-shaped clamping blocks are connected with the corresponding positioning grooves in a sliding mode, a top spring is fixedly mounted on the inner wall of one side of each positioning groove, one end of each top spring is fixedly connected with the corresponding wedge-shaped clamping block, a sliding cavity is formed in the fixing base, a movable plate is connected to the inner wall of the sliding cavity in a sliding mode, a push rod is fixedly mounted at the top of the movable plate, two symmetrically-arranged conical ejector rods are fixedly mounted at the bottom of the movable plate, grooves are formed in the tops of the wedge-shaped clamping blocks, the conical ejector rods are matched with the corresponding grooves, the wedge-shaped clamping blocks can clamp and fix the driving disc under the action of the top springs, the conical ejector rods moving simultaneously can drive the wedge-shaped clamping blocks to move through mutual matching with the grooves, and the driving disc is separated from clamping and fixed.
Preferably, the output shaft of motor is last fixed mounting has first sprocket, fixes a position epaxial fixed mounting and has the second sprocket, and the meshing has same chain on first sprocket and the second sprocket, and the output shaft of motor can drive the location axle through the intermeshing of first sprocket, second sprocket and chain and rotate, and then can drive and place the dish and rotate.
Compared with the prior art, the invention has the advantages that:
(1) according to the scheme, the first chain wheel, the second chain wheel and the chain are meshed with each other, so that the output shaft of the motor can drive the placing disc to rotate, and further the driving disc can be comprehensively measured;
(2) due to the mutual meshing of the driving gear and the driven gear and the mutual matching of the cam and the baffle, the rotating positioning shaft can drive the positioning rod to move back and forth, and further drive the dial indicator on the fixing rod to measure different positions back and forth;
(3) due to the action of the two wedge-shaped clamping blocks and the jacking action of the jacking spring on the wedge-shaped clamping blocks, the driving disc on the placing disc can be clamped and fixed, and the driving disc is detached and convenient to install through the mutual matching of the conical ejector rod and the groove.
The invention has simple operation and convenient use, can conveniently clamp and fix the driving disc, can also measure the positions of the driving disc in different directions, and is convenient for people to use.
Drawings
Fig. 1 is a schematic structural view of a drive disc flatness measuring tool according to the present invention;
fig. 2 is a schematic side view of a drive plate flatness measuring tool according to the present invention;
fig. 3 is a schematic cross-sectional structure view of a driving gear and a driven gear of the driving disc flatness measuring tool according to the present invention;
fig. 4 is a schematic structural diagram of a part a of the drive disc flatness measuring tool according to the present invention;
fig. 5 is a schematic structural diagram of a part B of the drive disc flatness measuring tool according to the present invention.
In the figure: 1. an operation table; 2. placing a tray; 3. positioning the shaft; 4. a motor; 5. a rotating shaft; 6. positioning a rod; 7. fixing the rod; 8. a support bar; 9. a dial indicator; 10. a cleaning brush; 11. a slide hole; 12. a slide bar; 13. a return spring; 14. a cam; 15. a baffle plate; 16. a top pillar; 17. a driving gear; 18. a driven gear; 19. rotating the plate; 20. positioning holes; 21. positioning pins; 22. a fixed seat; 23. positioning a groove; 24. a wedge-shaped fixture block; 25. a sliding cavity; 26. a movable plate; 27. a push rod; 28. a conical ejector rod; 29. a groove; 30. and (4) a top spring.
Detailed Description
The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.
Example one
Referring to fig. 1-5, a driving disc flatness measuring tool comprises an operation table 1, a placing disc 2 is rotatably connected to the top of the operation table 1, a positioning shaft 3 is fixedly installed at the bottom of the placing disc 2, a motor 4 is fixedly installed at the bottom of the operation table 1, an output shaft of the motor 4 is in transmission connection with the positioning shaft 3, four symmetrically arranged supporting legs are fixedly installed at the bottom of the operation table 1, two symmetrically arranged positioning rods 6 are slidably connected to the operation table 1, a fixing rod 7 is rotatably connected to the top end of each positioning rod 6, a positioning mechanism is arranged on each positioning rod 6 and is matched with the corresponding fixing rod 7, supporting rods 8 are fixedly installed on the two fixing rods 7, a dial indicator 9 is installed on one supporting rod 8 of the two supporting rods 8, the dial indicator 9 is matched with the placing disc 2, a reciprocating mechanism is arranged at the bottom of the operation table 1 and is matched with the corresponding positioning rod 6, reciprocating mechanism is connected with location axle 3 transmission, and the top fixed mounting who places dish 2 has fixing base 22, is equipped with on the fixing base 22 and clamps the mechanism, clamps the mechanism and mutually supports with placing dish 2.
In the embodiment, the reciprocating mechanism comprises two rotating shafts 5, the two rotating shafts 5 are rotatably installed at the bottom of the operating platform 1, the bottom ends of the rotating shafts 5 are fixedly provided with cams 14, one side of each positioning rod 6 is fixedly provided with a top post 16, one end of each top post 16 is fixedly provided with a baffle 15, each baffle 15 is matched with the corresponding cam 14, each positioning shaft 3 is fixedly provided with a driving gear 17, each rotating shaft 5 is fixedly provided with a driven gear 18, each driving gear 17 is mutually meshed with the two driven gears 18, the operating platform 1 is provided with two sliding holes 11 which are symmetrically arranged, the inner walls of the sliding holes 11 are fixedly provided with sliding rods 12, the sliding rods 12 are slidably connected with the corresponding positioning rods 6, one side of each sliding hole 11 is fixedly provided with a return spring 13, one end of each return spring 13 is fixedly connected with the corresponding positioning rod 6, the rotating positioning shaft 3 can drive the two rotating shafts 5 to rotate through the mutual meshing of the driving gear 17 and the two driven gears 18, the rotating shaft 5 is matched with the baffle 15 through the cam 14, so that the positioning rod 6 can be driven to move back and forth, and the dial indicator 9 is driven to measure the driving disc on the placing disc 2 back and forth.
In this embodiment, positioning mechanism includes two commentaries on classics boards 19, and two commentaries on classics boards 19 are fixed mounting respectively on locating lever 6 and dead lever 7, and have all seted up locating hole 20 on two commentaries on classics boards 19, and swing joint has same locating pin 21 on two locating holes 20, thereby locating lever 6 and dead lever 7 can be fixed through the effect of locating hole 20 and locating pin 21 on two commentaries on classics boards 19.
In this embodiment, the clamping mechanism includes two symmetrically arranged wedge-shaped clamping blocks 24, positioning grooves 23 are respectively formed on both sides of the fixing base 22, the wedge-shaped clamping blocks 24 are slidably connected with the corresponding positioning grooves 23, a top spring 30 is fixedly mounted on an inner wall of one side of each positioning groove 23, one end of each top spring 30 is fixedly connected with the corresponding wedge-shaped clamping block 24, a sliding cavity 25 is formed in the fixing base 22, a movable plate 26 is slidably connected with an inner wall of the sliding cavity 25, a push rod 27 is fixedly mounted at the top of the movable plate 26, two symmetrically arranged conical push rods 28 are fixedly mounted at the bottom of the movable plate 26, a groove 29 is formed in the top of each wedge-shaped clamping block 24, the conical push rods 28 are mutually matched with the corresponding grooves 29, the wedge-shaped clamping blocks 24 can fix the driving plate under the action of the top springs 30, and the movable conical push rods 28 can drive the wedge-shaped clamping blocks 24 to move through the mutual matching with the grooves 29, thereby enabling the driving disc to be separated from the clamping and fixing.
In this embodiment, fixed mounting has first sprocket on motor 4's the output shaft, and fixed mounting has the second sprocket on the location axle 3, and the meshing has same chain on first sprocket and the second sprocket, and motor 4's output shaft can drive location axle 3 through the intermeshing of first sprocket, second sprocket and chain and rotate, and then can drive and place dish 2 and rotate.
The working principle is that when the device works, a driving disc is placed on a placing disc 2, the driving disc is clamped and fixed through a top spring 30 and a wedge-shaped clamping block 24, a switch of a motor 4 is started, an output shaft of the motor 4 drives a positioning shaft 3 to rotate through mutual meshing of a first chain wheel, a second chain wheel and a chain, the rotating positioning shaft 3 drives two rotating shafts 5 to rotate through mutual meshing of a driving gear 17 and two driven gears 18, the rotating shafts 5 drive a positioning rod 6 to move through mutual matching of a cam 14 and a baffle 15, a back-and-forth movement effect is formed through the action of a reset spring 13, so that the positioning rod 6 drives a dial indicator 9 on a fixing rod 7 to move back and forth, the moving dial indicator 9 measures all positions on the rotating driving disc, the comprehensive and accuracy of measurement can be guaranteed, after the measurement is completed, positioning pins 21 in two positioning holes 20 are taken out, at rotation dead lever 7, dead lever 7 drives amesdial 9 and carries out the angle change to can be convenient for dismantle the driving-disc, press push rod 27 downwards again, push rod 27 drives fly leaf 26 and removes, fly leaf 26 passes through the mutually supporting of toper ejector pin 28 with recess 29, thereby can drive wedge fixture block 24 and remove in to constant head tank 23, and then make the driving-disc break away from to clamp fixed effect.
Example two
Referring to fig. 1-5, a driving disc flatness measuring tool comprises an operation table 1, a placing disc 2 is rotatably connected to the top of the operation table 1, a positioning shaft 3 is fixedly installed at the bottom of the placing disc 2, a motor 4 is fixedly installed at the bottom of the operation table 1, an output shaft of the motor 4 is in transmission connection with the positioning shaft 3, four symmetrically arranged supporting legs are fixedly installed at the bottom of the operation table 1, two symmetrically arranged positioning rods 6 are slidably connected to the operation table 1, a fixing rod 7 is rotatably connected to the top end of each positioning rod 6, a positioning mechanism is arranged on each positioning rod 6 and is matched with the corresponding fixing rod 7, supporting rods 8 are fixedly installed on the two fixing rods 7, a dial indicator 9 is installed on one supporting rod 8 of the two supporting rods 8, the dial indicator 9 is matched with the placing disc 2, a reciprocating mechanism is arranged at the bottom of the operation table 1 and is matched with the corresponding positioning rod 6, reciprocating mechanism is connected with the transmission of location axle 3, and the top fixed mounting who places dish 2 has fixing base 22, is equipped with on the fixing base 22 to clamp the mechanism, clamps the mechanism and mutually supports with placing dish 2, installs cleaning brush 10 on another bracing piece 8 in two bracing pieces 8, and cleaning brush 10 mutually supports with placing dish 2.
In the embodiment, the reciprocating mechanism comprises two rotating shafts 5, the two rotating shafts 5 are rotatably installed at the bottom of the operating platform 1, the bottom ends of the rotating shafts 5 are fixedly provided with cams 14, one side of each positioning rod 6 is fixedly provided with a top post 16, one end of each top post 16 is fixedly provided with a baffle 15, each baffle 15 is matched with the corresponding cam 14, each positioning shaft 3 is fixedly provided with a driving gear 17, each rotating shaft 5 is fixedly provided with a driven gear 18, each driving gear 17 is mutually meshed with the two driven gears 18, the operating platform 1 is provided with two sliding holes 11 which are symmetrically arranged, the inner walls of the sliding holes 11 are fixedly provided with sliding rods 12, the sliding rods 12 are slidably connected with the corresponding positioning rods 6, one side of each sliding hole 11 is fixedly provided with a return spring 13, one end of each return spring 13 is fixedly connected with the corresponding positioning rod 6, the rotating positioning shaft 3 can drive the two rotating shafts 5 to rotate through the mutual meshing of the driving gear 17 and the two driven gears 18, the rotating shaft 5 is matched with the baffle 15 through the cam 14, so that the positioning rod 6 can be driven to move back and forth, and the dial indicator 9 is driven to measure the driving disc on the placing disc 2 back and forth.
In this embodiment, positioning mechanism includes two commentaries on classics boards 19, and two commentaries on classics boards 19 are fixed mounting respectively on locating lever 6 and dead lever 7, and have all seted up locating hole 20 on two commentaries on classics boards 19, and swing joint has same locating pin 21 on two locating holes 20, thereby locating lever 6 and dead lever 7 can be fixed through the effect of locating hole 20 and locating pin 21 on two commentaries on classics boards 19.
In the embodiment, the clamping mechanism includes two symmetrically arranged wedge-shaped clamping blocks 24, positioning grooves 23 are respectively formed on two sides of the fixing base 22, the wedge-shaped clamping blocks 24 are slidably connected with the corresponding positioning grooves 23, a top spring 30 is fixedly mounted on an inner wall on one side of each positioning groove 23, one end of each top spring 30 is fixedly connected with the corresponding wedge-shaped clamping block 24, a sliding cavity 25 is formed in the fixing base 22, a movable plate 26 is slidably connected on an inner wall of the sliding cavity 25, a push rod 27 is fixedly mounted at the top of the movable plate 26, two symmetrically arranged conical push rods 28 are fixedly mounted at the bottom of the movable plate 26, grooves 29 are formed in the tops of the wedge-shaped clamping blocks 24, the conical push rods 28 are matched with the corresponding grooves 29, the wedge-shaped clamping blocks 24 can clamp and fix the driving disc under the action of the top springs 30, and the movable conical push rods 28 can drive the wedge-shaped clamping blocks 24 to move through the mutual matching with the grooves 29, thereby enabling the driving disc to be separated from the clamping and fixing.
In this embodiment, fixed mounting has first sprocket on motor 4's the output shaft, and fixed mounting has the second sprocket on the location axle 3, and the meshing has same chain on first sprocket and the second sprocket, and motor 4's output shaft can drive location axle 3 through the intermeshing of first sprocket, second sprocket and chain and rotate, and then can drive and place dish 2 and rotate.
The difference between the second embodiment and the first embodiment is that the cleaning brush 10 can clean the driving disk on the placing disk 2, so that the accuracy of measurement can be ensured, and the use by people is facilitated.
The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention in the technical scope of the present invention.
Claims (8)
1. A driving disc flatness measuring tool comprises an operating table (1) and is characterized in that the top of the operating table (1) is rotatably connected with a placing disc (2), the bottom of the placing disc (2) is fixedly provided with a positioning shaft (3), the bottom of the operating table (1) is fixedly provided with a motor (4), an output shaft of the motor (4) is in transmission connection with the positioning shaft (3), the bottom of the operating table (1) is fixedly provided with four symmetrically-arranged supporting legs, the operating table (1) is slidably connected with two symmetrically-arranged positioning rods (6), the top ends of the positioning rods (6) are rotatably connected with fixing rods (7), the positioning rods (6) are provided with positioning mechanisms which are matched with the fixing rods (7), the two fixing rods (7) are fixedly provided with supporting rods (8), one of the two supporting rods (8) is provided with a dial indicator (9), amesdial (9) and place dish (2) and mutually support, the bottom of operation panel (1) is equipped with reciprocating mechanism, and reciprocating mechanism and corresponding locating lever (6) mutually support, reciprocating mechanism is connected with location axle (3) transmission, the top fixed mounting who places dish (2) has fixing base (22), be equipped with on fixing base (22) and clamp the mechanism, clamp the mechanism and place dish (2) and mutually support.
2. The drive plate flatness measuring tool according to claim 1, characterized in that the reciprocating mechanism includes two rotating shafts (5), the two rotating shafts (5) are rotatably installed at the bottom of the operating platform (1), a cam (14) is fixedly installed at the bottom end of the rotating shafts (5), a top post (16) is fixedly installed at one side of the positioning rod (6), a baffle (15) is fixedly installed at one end of the top post (16), and the baffle (15) is matched with the corresponding cam (14).
3. The drive disc flatness measuring tool according to claim 1, characterized in that the positioning mechanism includes two rotating plates (19), the two rotating plates (19) are respectively and fixedly installed on the positioning rod (6) and the fixing rod (7), positioning holes (20) are respectively formed on the two rotating plates (19), and the same positioning pin (21) is movably connected to the two positioning holes (20).
4. The drive disc flatness measuring tool according to claim 1, wherein the clamping mechanism includes two symmetrically arranged wedge-shaped clamping blocks (24), positioning grooves (23) are formed on both sides of the fixing seat (22), the wedge-shaped clamping blocks (24) are slidably connected with the corresponding positioning grooves (23), a top spring (30) is fixedly installed on an inner wall of one side of each positioning groove (23), and one end of each top spring (30) is fixedly connected with the corresponding wedge-shaped clamping block (24).
5. The drive disc flatness measuring tool according to claim 1, characterized in that a first chain wheel is fixedly installed on an output shaft of the motor (4), a second chain wheel is fixedly installed on the positioning shaft (3), and the first chain wheel and the second chain wheel are meshed with a same chain.
6. The drive disc flatness measuring tool according to claim 2, characterized in that a driving gear (17) is fixedly installed on the positioning shaft (3), a driven gear (18) is fixedly installed on the rotating shaft (5), and the driving gear (17) and the two driven gears (18) are meshed with each other.
7. The drive disc flatness measuring tool according to claim 1, characterized in that the operation table (1) is provided with two symmetrically arranged sliding holes (11), a sliding rod (12) is fixedly installed on an inner wall of each sliding hole (11), the sliding rod (12) is slidably connected with the corresponding positioning rod (6), a return spring (13) is fixedly installed on an inner wall of one side of each sliding hole (11), and one end of each return spring (13) is fixedly connected with the corresponding positioning rod (6).
8. The drive disc flatness measuring tool according to claim 4, characterized in that the fixing seat (22) is provided with a sliding cavity (25), the inner wall of the sliding cavity (25) is connected with a movable plate (26) in a sliding manner, the top of the movable plate (26) is fixedly provided with a push rod (27), the bottom of the movable plate (26) is fixedly provided with two symmetrically arranged conical push rods (28), the top of the wedge-shaped fixture block (24) is provided with a groove (29), and the conical push rods (28) are matched with the corresponding grooves (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210238161.9A CN114485361B (en) | 2022-03-11 | 2022-03-11 | Flatness measuring tool for driving disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210238161.9A CN114485361B (en) | 2022-03-11 | 2022-03-11 | Flatness measuring tool for driving disc |
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| CN114485361A true CN114485361A (en) | 2022-05-13 |
| CN114485361B CN114485361B (en) | 2024-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210238161.9A Active CN114485361B (en) | 2022-03-11 | 2022-03-11 | Flatness measuring tool for driving disc |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117029616A (en) * | 2023-10-10 | 2023-11-10 | 烟台美丰机械集团有限公司 | Brake disc size detection equipment |
| CN117029616B (en) * | 2023-10-10 | 2024-01-12 | 烟台美丰机械集团有限公司 | Brake disc size detection equipment |
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| CN114485361B (en) | 2024-05-17 |
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