CN212512805U - Automobile brake drum jumping detection device - Google Patents
Automobile brake drum jumping detection device Download PDFInfo
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- CN212512805U CN212512805U CN202021808416.3U CN202021808416U CN212512805U CN 212512805 U CN212512805 U CN 212512805U CN 202021808416 U CN202021808416 U CN 202021808416U CN 212512805 U CN212512805 U CN 212512805U
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- 238000001514 detection method Methods 0.000 title claims abstract description 28
- 230000009191 jumping Effects 0.000 title claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 48
- 238000009434 installation Methods 0.000 claims abstract description 17
- 239000002184 metal Substances 0.000 claims description 9
- 210000000078 claw Anatomy 0.000 claims description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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Abstract
The utility model discloses a device for detecting the jumping of an automobile brake drum; belonging to the technical field of detection equipment; the device is characterized by comprising a workbench, a rotating disc arranged on the workbench and a three-jaw chuck arranged on the rotating disc, wherein the three-jaw chuck is provided with a clamping and positioning mechanism for clamping and positioning a workpiece to be measured; a fixed seat is arranged at the middle bottom of the workbench, a fixed upright post connected with the fixed seat is arranged between the three-jaw chuck and the rotating disk, an installation fixing mechanism is arranged at the top of the fixed upright post, a position adjusting mechanism is connected to the installation fixing mechanism, and a dial indicator for performing jumping detection on a workpiece to be detected is arranged on the position adjusting mechanism; the utility model aims at providing a simple structure, convenient to use, high efficiency can adapt to the automobile brake drum detection device that beats of different work piece sizes and detection demand.
Description
Technical Field
The utility model relates to a detection device, more specifically say, especially relate to an automobile brake drum detection device that beats.
Background
With the high-speed development of the automobile industry in China, the demand of automobile chassis parts, namely brake drums, is greatly increased, the annual market demand is tens of millions, due to the popularization of the expressway in China, all the technical requirements of the brake drums are configured according to the running condition of the expressway, the blank of the brake drum needs to be subjected to run-out detection, the size precision of the brake drum product is ensured, and the requirements of customers on processing efficiency and service performance are met, however, the run-out detection device commonly used in the industry takes the side surface of a mandrel as a matching surface and is matched with a small hole processed by the brake drum, and the data of a dial indicator is read through manually rotating a workpiece to carry out run-out detection, the detection tool is only suitable for the run-out detection of finished products processed by the brake drum, and the small hole of the blank product belongs to manual polishing and is rough and uneven, so the run-out, and the structure is single, and the detection requirements of workpieces with different sizes cannot be met.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to the not enough of above-mentioned prior art, provide a simple structure, convenient to use, high efficiency can adapt to the automobile brake drum detection device that beats of different work piece sizes and detection demand.
The technical scheme of the utility model is realized like this: a vehicle brake drum jumping detection device comprises a workbench, a rotating disk arranged on the workbench and a three-jaw chuck arranged on the rotating disk, wherein the three-jaw chuck is provided with a clamping and positioning mechanism for clamping and positioning a workpiece to be detected; the device comprises a worktable, a three-jaw chuck, a rotary disk, a fixed base, a fixed upright post, an installation fixing mechanism, a position adjusting mechanism and a dial indicator, wherein the fixed base is arranged at the middle bottom of the worktable, the fixed upright post connected with the fixed base is arranged between the three-jaw chuck and the rotary disk, the installation fixing mechanism is arranged at the top of the fixed upright post, the position adjusting mechanism is connected with the position adjusting mechanism, and the position adjusting mechanism is provided.
In the device for detecting the jumping of the automobile brake drum, the three-jaw chuck is provided with the sliding grooves which are uniformly distributed along the radial direction, the sliding grooves are provided with the sliding blocks matched with the sliding grooves, and the sliding blocks are provided with the clamping and positioning mechanisms.
In the above device for detecting the jumping of the brake drum of the automobile, the clamping and positioning mechanism comprises a jaw frame arranged on each sliding block, a plurality of screw holes arranged on the inner side surface of each jaw frame close to the three-jaw chuck, horizontal positioning screws matched with the screw holes, an installation cylinder arranged on the outer side of each jaw frame close to the three-jaw chuck, a lifting rod arranged in the installation cylinder and a jaw arranged at the top of the lifting rod; a positioning hole is formed in the side wall of the mounting cylinder, a fixing screw is arranged in the positioning hole, and a fixing groove is formed in the surface of the lifting rod at the position corresponding to the positioning hole and the fixing screw; and the inner side surfaces of the clamping jaws are provided with anti-slip pads.
In the above device for detecting the run-out of the brake drum of the automobile, the mounting and fixing mechanism comprises a metal base arranged on the upper end surface of the fixed upright post, a magnetic gauge stand absorbed on the metal base and a support post arranged on the magnetic gauge stand; a bearing is arranged at a through hole in the middle of the three-jaw chuck and the rotating disc and is connected with the fixed upright post; and a position adjusting mechanism which is connected with the dial indicator and is used for adjusting the position of the dial indicator is arranged on the strut.
In the above-mentioned device for detecting the jumping of the brake drum of the automobile, the position adjusting mechanism comprises a first lifting cylinder and a second lifting cylinder which are arranged on a pillar, locking screws which are arranged on the side walls of the first lifting cylinder and the second lifting cylinder in the same direction, crown gears which are fixedly arranged on the outer sides of the first lifting cylinder and the second lifting cylinder in opposite directions, a lock cylinder which is arranged in the middle of the crown gears, a connecting column of which both ends are provided with the lock cylinder, a supporting strip which is connected with the lock cylinders on the crown gears and the connecting column, a connecting column which is connected with the other end of the supporting strip, a lock ring which is matched with each lock cylinder and a dial indicator frame which is arranged on the connecting column and is connected with the; crown gears which are mutually matched are fixedly arranged at the two ends of the supporting bars and the matching parts of the supporting bars and the connecting columns.
By adopting the structure, the clamping and positioning mechanism is arranged on the three-jaw chuck, so that workpieces with different sizes can be clamped and positioned; the detection position of the dial indicator can be effectively positioned and adjusted by arranging the mounting and fixing mechanism and the position adjusting mechanism; the device has simple structure, convenient use and high efficiency, and can adapt to different workpiece sizes and detection requirements.
Drawings
The present invention will be described in further detail with reference to the following examples, which are not intended to limit the invention.
Fig. 1 is a top view of the present invention;
FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;
FIG. 3 is a schematic structural view of a three-jaw chuck according to the present invention;
fig. 4 is a schematic structural diagram of the middle position adjusting mechanism of the present invention.
In the figure: 1. a work table; 1a, a fixed seat; 1b, fixing the upright post; 2. rotating the disc; 3. a three-jaw chuck; 3a, a chute; 3b, a sliding block; 4. a clamping and positioning mechanism; 4a, a clamping jaw frame; 4b, screw holes; 4c, horizontally positioning screws; 4d, mounting the cylinder; 4e, a lifting rod; 4f, a claw; 5. installing a fixing mechanism; 5a, a metal seat; 5b, a magnetic gauge stand; 5c, a strut; 6. a position adjustment mechanism; 6a, a first lifting cylinder; 6b, a second lifting cylinder; 6c, locking screws; 6d, crown gear; 6e, a lock cylinder; 6f, connecting columns; 6g, supporting strips; 6h, locking a ring; 6i, a watch frame; 7. a dial indicator; 8. positioning holes; 9. fixing screws; 10. fixing grooves; 11. a non-slip mat; 12. and a bearing.
Detailed Description
Referring to fig. 1 to 4, the device for detecting the run-out of the brake drum of the automobile of the present invention comprises a workbench 1, a rotating disk 2 arranged on the workbench 1, and a three-jaw chuck 3 arranged on the rotating disk 2, wherein a clamping and positioning mechanism 4 for clamping and positioning a workpiece to be detected is arranged on the three-jaw chuck 3; a fixed seat 1a is arranged at the middle bottom of the workbench 1, a fixed upright post 1b connected with the fixed seat 1a is arranged between the three-jaw chuck 3 and the rotating disk 2, an installation fixing mechanism 5 is arranged at the top of the fixed upright post 1b, a position adjusting mechanism 6 is connected on the installation fixing mechanism 5, and a dial indicator 7 for performing jumping detection on a workpiece to be detected is arranged on the position adjusting mechanism 6; the clamping and positioning mechanism 4 is arranged on the three-jaw chuck 3, so that workpieces with different sizes can be clamped and positioned, and the application range is wide; the detection position of the dial indicator 7 can be effectively positioned and adjusted by arranging the installation fixing mechanism 5 and the position adjusting mechanism 6.
Preferably, the three-jaw chuck 3 is provided with sliding chutes 3a which are uniformly distributed along the radial direction, the sliding chutes 3a are provided with sliding blocks 3b which are matched with the sliding chutes 3a, and the sliding blocks 3b are provided with clamping and positioning mechanisms 4; the sliding groove 3a and the sliding block 3b arranged on the three-jaw chuck 3 are matched with the clamping and positioning mechanism 4, so that the workpieces to be measured with different sizes can be effectively positioned and clamped.
In this embodiment, the clamping and positioning mechanism 4 includes a plurality of screw holes 4b disposed on the inner side surface of each jaw 4f frame 4a close to the three-jaw chuck 3, a plurality of horizontal positioning screws 4c engaged with the screw holes 4b, a mounting cylinder 4d disposed on the outer side of each jaw 4f frame 4a close to the three-jaw chuck 3, a lifting rod 4e disposed in the mounting cylinder 4d, and a jaw 4f disposed on the top of the lifting rod 4 e; a positioning hole 8 is formed in the side wall of the mounting cylinder 4d, a fixing screw 9 is arranged in the positioning hole 8, and a fixing groove 10 is formed in the surface of the lifting rod 4e at the position corresponding to the positioning hole 8 and the fixing screw 9; the inner side surface of the claw 4f is provided with an anti-skid pad 11; through the mutual matching of the screw hole 4b arranged on the jack catch 4f frame 4a and the horizontal positioning screw 4c, the workpiece to be detected placed on the jack catch 4f frame 4a can be horizontally positioned, and the accuracy of the workpiece detection is ensured; the installation cylinder 4d arranged on the outer side of the clamping jaw 4f frame 4a is matched with the lifting rod 4e arranged in the installation cylinder 4d, the height of the lifting rod 4e can be adjusted, and the lifting rod 4e in the installation cylinder 4d is locked through the fixing screw 9, so that workpieces with different sizes can be clamped; the anti-slip pad 11 arranged on the inner side surface of the clamping jaw 4f can clamp the workpiece to be tested more effectively.
Further, the mounting and fixing mechanism 5 comprises a metal base 5a arranged on the upper end surface of the fixed upright post 1b, a magnetic gauge stand 5b adsorbed on the metal base 5a, and a support post 5c arranged on the magnetic gauge stand 5 b; a bearing 12 is arranged at a through hole in the middle of the three-jaw chuck 3 and the rotating disc 2 and is connected with the fixed upright post 1 b; a position adjusting mechanism 6 which is connected with the dial indicator 7 and is used for adjusting the position of the dial indicator 7 is arranged on the strut 5 c; the metal base 5a of setting at fixed stand 1b up end can make things convenient for magnetic gauge stand 5b to adsorb, reaches the effect of quick installation.
Preferably, the position adjusting mechanism 6 comprises a first lifting cylinder 6a and a second lifting cylinder 6b which are arranged on the pillar 5c, locking screws 6c which are arranged on the side walls of the first lifting cylinder 6a and the second lifting cylinder 6b in the same direction, crown gears 6d which are fixedly arranged on the outer sides of the first lifting cylinder 6a and the second lifting cylinder 6b in opposite directions, a lock post 6e which is arranged in the middle of the crown gear 6d, a connecting post 6f of which two ends are provided with the lock post 6e, a supporting strip 6g which is used for connecting each crown gear 6d with the lock post 6e on the connecting post 6f, a connecting post 6f which is connected with the other end of the supporting strip 6g, a lock ring 6h which is matched with each lock post 6e, and a dial stand 6i which is arranged on the connecting post 6f and is connected with the dial indicator 7; crown gears 6d which are mutually matched are fixedly arranged at the two ends of the supporting strip 6g and the matching part of the supporting strip 6g and the connecting column 6 f; adjust the position adjustment support bar 6g of first a lift section of thick bamboo 6a and second lift section of thick bamboo 6b on pillar 5c through locking screw 6c and extend out length, then through catch 6h with crown gear 6d and the crown gear 6d cooperation locking that first a lift section of thick bamboo 6a and second lift section of thick bamboo 6b outside set up of support bar 6g one end set up on lock post 6e, can adjust the angle of two support bars 6g before locking, adjust the position of table frame 6i and percentage table 7 according to measuring needs after that, at last through catch 6h with the crown gear 6d of the crown gear 6d and the crown gear 6d cooperation locking that sets up on the spliced pole 6f that the support bar 6g other end set up on the lock post 6e that the spliced pole 6f both ends set up, thereby realize adjusting and fixing a position the detection position of percentage table 7.
The utility model discloses the theory of operation: when the workpiece is detected, a spanner is used for rotating the bevel pinion in the three-jaw chuck 3 through the square hole according to the size of the workpiece to be detected, then the disc-shaped gear is driven to rotate, the plane thread on the back simultaneously drives the sliding block 3b to approach or withdraw from the center in the sliding chute 3a, thereby driving the claws 4f on the slide block 3b and the rack 4a to move to adapt to workpieces with different diameters, and simultaneously, the height of the clamping jaw 4f on the frame 4a of the clamping jaw 4f is adjusted by the position of the lifting rod 4e in the mounting cylinder 4d so as to adapt to workpieces with different heights, then the workpiece to be detected is placed on the horizontal positioning screw 4c on the frame 4a of the clamping jaw 4f, the horizontal height of the horizontal positioning screw 4c is adjusted to adjust the horizontal position of the workpiece to be detected so as to improve the detection accuracy, then, the spanner is rotated to enable the clamping jaw 4f frame 4a on the sliding block 3b to move inwards, so that the clamping jaw 4f can accurately and effectively clamp the workpiece to be tested; during measurement, a magnetic gauge stand 5b is adsorbed on a metal base 5a on the upper end face of a fixed upright post 1b, then a first lifting cylinder 6a and a second lifting cylinder 6b are locked on a support column 5c of the magnetic gauge stand 5b through a locking screw 6c, the position between the first lifting cylinder 6a and the second lifting cylinder 6b is adjusted to adjust the extending length of a supporting strip 6g, a crown gear 6d arranged at one end of the supporting strip 6g and a crown gear 6d arranged on the outer sides of the first lifting cylinder 6a and the second lifting cylinder 6b are locked on a lock column 6e in a matching way through a lock ring 6h, the angles of the two supporting strips 6g can be adjusted before locking, then a gauge stand 6i and a dial indicator 7 are adjusted according to measurement requirements, then a crown gear 6d arranged at the other end of the supporting strip 6g and a crown gear 6d arranged on a connecting column 6f are locked on lock columns 6e arranged at the two ends of the connecting column 6f in a matching way through the lock ring 6h, therefore, the detection position of the dial indicator 7 is adjusted and positioned, the probe of the dial indicator 7 is abutted to the inner side surface of the workpiece to be detected, then the pointer of the dial indicator 7 is adjusted to be zero, finally the three-jaw chuck 3 is slightly rotated, the pointer fluctuates in numerical value along with different contact conditions of the probe of the dial indicator 7 and the surface of the workpiece, and after one rotation, the result obtained by subtracting the maximum value and the minimum value indicated by the pointer is the required workpiece jumping value.
The above embodiment is the preferred embodiment of the present invention, which is only used to facilitate the explanation of the present invention, it is not right to the present invention, which makes the restriction on any form, and any person who knows commonly in the technical field can use the present invention to make the equivalent embodiment of local change or modification without departing from the technical features of the present invention.
Claims (5)
1. A vehicle brake drum jumping detection device comprises a workbench (1), a rotating disk (2) arranged on the workbench (1) and a three-jaw chuck (3) arranged on the rotating disk (2), and is characterized in that the three-jaw chuck (3) is provided with a clamping and positioning mechanism (4) for clamping and positioning a workpiece to be detected;
the workpiece jumping detection device is characterized in that a fixed seat (1a) is arranged at the bottom of the middle of a workbench (1), a fixed upright post (1b) connected with the fixed seat (1a) is arranged between a three-jaw chuck (3) and a rotating disk (2), an installation fixing mechanism (5) is arranged at the top of the fixed upright post (1b), a position adjusting mechanism (6) is connected onto the installation fixing mechanism (5), and a dial indicator (7) for jumping detection of a workpiece to be detected is arranged on the position adjusting mechanism (6).
2. The device for detecting the run-out of the brake drum of the automobile as claimed in claim 1, wherein the three-jaw chuck (3) is provided with sliding grooves (3a) uniformly distributed along the radial direction, the sliding grooves (3a) are provided with sliding blocks (3b) matched with the sliding grooves (3a), and the sliding blocks (3b) are provided with clamping and positioning mechanisms (4).
3. The device for detecting the jumping of the brake drum of the automobile as claimed in claim 2, wherein the clamping and positioning mechanism (4) comprises a jaw frame (4a) disposed on each slide block (3b), a plurality of screw holes (4b) disposed on the inner side surface of each jaw frame (4a) close to the three-jaw chuck (3), horizontal positioning screws (4c) matched with each screw hole (4b), an installation cylinder (4d) disposed on the outer side of each jaw frame (4a) close to the three-jaw chuck (3), a lifting rod (4e) disposed in the installation cylinder (4d), and a jaw (4f) disposed on the top of the lifting rod (4 e); a positioning hole (8) is formed in the side wall of the mounting cylinder (4d), a fixing screw (9) is arranged in the positioning hole (8), and a fixing groove (10) is formed in the surface of the lifting rod (4e) at the position corresponding to the positioning hole (8) and the fixing screw (9); the inner side surface of the claw (4f) is provided with a non-slip mat (11).
4. The device for detecting the run-out of the brake drum of the automobile as claimed in claim 1, wherein the mounting and fixing mechanism (5) comprises a metal base (5a) arranged on the upper end surface of the fixing upright post (1b), a magnetic gauge stand (5b) adsorbed on the metal base (5a) and a support column (5c) arranged on the magnetic gauge stand (5 b); a bearing (12) is arranged at a through hole in the middle of the three-jaw chuck (3) and the rotating disc (2) and is connected with the fixed upright post (1 b); a position adjusting mechanism (6) which is connected with the dial indicator (7) and is used for adjusting the position of the dial indicator (7) is arranged on the strut (5 c).
5. The apparatus for detecting drum runout of a vehicle brake according to claim 1 or 4, the position adjusting mechanism (6) comprises a first lifting cylinder (6a) and a second lifting cylinder (6b) which are arranged on a support column (5c), locking screws (6c) which are arranged on the side walls of the first lifting cylinder (6a) and the second lifting cylinder (6b) in the same direction, crown gears (6d) which are fixedly arranged on the outer sides of the first lifting cylinder (6a) and the second lifting cylinder (6b) in opposite directions, a locking column (6e) which is arranged in the middle of the crown gears (6d), a connecting column (6f) of which two ends are provided with the locking column (6e), and supporting strips (6g) which are used for connecting each crown gear (6d) and the locking column (6e) on the connecting column (6f), a lock ring (6h) matched with each lock column (6e) and a meter frame (6i) arranged on the connecting column (6f) and connected with the dial indicator (7); crown gears (6d) which are mutually matched are fixedly arranged at the two ends of the supporting strip (6g) and the matching part of the connecting column (6f) and the supporting strip (6 g).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021808416.3U CN212512805U (en) | 2020-08-26 | 2020-08-26 | Automobile brake drum jumping detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021808416.3U CN212512805U (en) | 2020-08-26 | 2020-08-26 | Automobile brake drum jumping detection device |
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| Publication Number | Publication Date |
|---|---|
| CN212512805U true CN212512805U (en) | 2021-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021808416.3U Active CN212512805U (en) | 2020-08-26 | 2020-08-26 | Automobile brake drum jumping detection device |
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| Country | Link |
|---|---|
| CN (1) | CN212512805U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118848044A (en) * | 2023-03-23 | 2024-10-29 | 林国杰 | Mechanical machine tool component and manufacturing method thereof |
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2020
- 2020-08-26 CN CN202021808416.3U patent/CN212512805U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118848044A (en) * | 2023-03-23 | 2024-10-29 | 林国杰 | Mechanical machine tool component and manufacturing method thereof |
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Denomination of utility model: A vehicle brake drum jump detection device Effective date of registration: 20220829 Granted publication date: 20210209 Pledgee: Meizhou Rural Commercial Bank Co.,Ltd. Meixian Branch Pledgor: Meizhou Ford metal products Co.,Ltd. Registration number: Y2022980013842 |