CN108680077B - A measuring device - Google Patents
A measuring device Download PDFInfo
- Publication number
- CN108680077B CN108680077B CN201810768221.1A CN201810768221A CN108680077B CN 108680077 B CN108680077 B CN 108680077B CN 201810768221 A CN201810768221 A CN 201810768221A CN 108680077 B CN108680077 B CN 108680077B
- Authority
- CN
- China
- Prior art keywords
- measuring
- workpiece
- adjusting mechanism
- clamping mechanism
- shaft sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
-
- 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
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
本发明属于测量工装技术领域，公开了一种测量装置。该测量装置包括：基座、测量机构、夹持机构及调节机构；测量机构设置于基座上，测量机构能够分别测量工件的端面误差和外圆的跳动误差。夹持机构的一端能够夹持工件；调节机构设置于基座上，调节机构穿设于夹持机构的另一端中并能与其相对旋转，调节机构能够调节夹持机构和调节机构之间的间隙。该测量装置减少了操作人员主观因素的影响，进而提高了测量精度和测量效率。同时调节机构能够调节夹持机构和调节机构之间由于磨损而出现的间隙，进而提高了测量的精度和准确性。
The present invention belongs to the technical field of measuring tooling, and discloses a measuring device. The measuring device comprises: a base, a measuring mechanism, a clamping mechanism and an adjusting mechanism; the measuring mechanism is arranged on the base, and the measuring mechanism can measure the end face error and the outer circle runout error of the workpiece respectively. One end of the clamping mechanism can clamp the workpiece; the adjusting mechanism is arranged on the base, the adjusting mechanism is inserted into the other end of the clamping mechanism and can rotate relative to it, and the adjusting mechanism can adjust the gap between the clamping mechanism and the adjusting mechanism. The measuring device reduces the influence of the subjective factors of the operator, thereby improving the measurement accuracy and measurement efficiency. At the same time, the adjusting mechanism can adjust the gap between the clamping mechanism and the adjusting mechanism due to wear, thereby improving the measurement accuracy and precision.
Description
Technical Field
The invention relates to the technical field of measurement tools, in particular to a measurement device.
Background
In practice, one type of workpiece is obtained from a blank after being machined by a grinding machine. As shown in fig. 1, the workpiece 5 includes a large shaft portion 51, a small shaft portion 52, and a transition portion 53 provided between the large shaft portion 51 and the small shaft portion 52, and after being machined by a grinding machine, it is necessary to measure an end face error of the large shaft portion 51 with respect to the a reference and a runout error of the outer circle, and it is also necessary to complete parallelism measurement of the transition portion 53 with respect to the B reference. Since the parts are produced in a production line by a special production machine, a checking fixture is required to finish the detection in order to ensure the quality of the final part products, so that the next working procedure can be allowed to be carried out after the detection is qualified.
At present, when the workpiece 5 is generally measured, an operator is required to rotate the workpiece 5 on the carrier, and the measurement is performed according to an empirical handheld instrument, so that the measurement mode is easily influenced by subjective factors of the operator, the measurement accuracy is low, and the measurement efficiency is low. More importantly, as no special measuring gauge is provided, after long-time rotation measurement, a gap is formed between the workpiece 5 and the carrier seat due to abrasion, and the accuracy of measurement is affected.
Disclosure of Invention
The invention aims to provide a measuring device which can adjust a gap between a workpiece and a carrier seat due to abrasion, thereby improving the measuring precision.
To achieve the purpose, the invention adopts the following technical scheme:
A measuring device includes: a base; the measuring mechanism is arranged on the base and can respectively measure the end face error of the large shaft part of the workpiece and the runout error of the outer circle; the clamping mechanism is provided with a transition part capable of clamping a workpiece at one end; the adjusting mechanism is arranged on the base, penetrates through the other end of the clamping mechanism and is rotatably arranged with the clamping mechanism, and the adjusting mechanism can adjust a gap between the clamping mechanism and the adjusting mechanism.
Preferably, the measuring mechanism comprises two base components, a sliding rail arranged between the two base components, and a first measuring component and a second measuring component which are arranged in a sliding manner with the sliding rail, wherein the first measuring component can measure the end face error of a large shaft part of a workpiece, and the second measuring component can measure the excircle runout error of the large shaft part of the workpiece.
Preferably, the first measuring assembly comprises a first sliding sleeve arranged in a sliding manner with the sliding rail, a first meter frame arranged on the first sliding sleeve and a first dial indicator arranged on the first meter frame, and the measuring head of the first dial indicator can be in contact with the end face of the large shaft part of the workpiece so as to measure the end face error of the workpiece.
Preferably, the second measuring assembly comprises a second sliding sleeve arranged in a sliding manner with the sliding rail, a second meter frame arranged on the second sliding sleeve and a second dial indicator arranged on the second meter frame, and the measuring head of the second dial indicator can be in contact with the outer circle of the large shaft part of the workpiece so as to measure the jumping error of the measuring head.
Preferably, the clamping mechanism comprises a three-jaw chuck for clamping the transition part and a connecting shaft, one end of the connecting shaft is connected with the three-jaw chuck, and the other end of the connecting shaft penetrates through the adjusting mechanism and is rotatably arranged with the adjusting mechanism.
Preferably, jaw pads are embedded on jaws of the three-jaw chuck, and the jaw pads can clamp transition portions of the workpiece.
Preferably, the adjusting mechanism comprises a carrier arranged on the base and a shaft sleeve penetrating through the carrier, and the other end of the clamping mechanism penetrates through the shaft sleeve and is rotatably arranged with the shaft sleeve.
Preferably, the inner wall of the carrier seat and the outer wall of the shaft sleeve are both conical structures, and the inner wall of the carrier seat is attached to the outer wall of the shaft sleeve.
Preferably, the adjusting mechanism further comprises two pressing blocks respectively pressed against two ends of the carrier, and the pressing blocks are sleeved on the shaft sleeve.
Preferably, the adjusting mechanism further comprises a bearing assembly and a stop assembly which are respectively sleeved at the other end of the clamping mechanism, the other end of the clamping mechanism is clamped to the stop assembly, and the bearing assembly is arranged between the carrying seat and the stop assembly and is attached to the shaft sleeve.
The invention has the beneficial effects that:
1) Through setting up fixture's one end and can centre gripping work piece, the other end wears to locate in the adjustment mechanism and rather than relative rotation, and measuring mechanism can measure the end face error and the outer circle of work piece for A benchmark respectively to with the clearance that is less than or equal to 0.02 mm's clearance between work piece and the fixture inserts in order to measure the parallelism error of B benchmark in the work piece, compare the mode that prior art handheld instrument was measured, reduced the influence of operating personnel subjective factor, and then improved measurement accuracy and measurement of efficiency.
2) The adjusting mechanism is arranged in the other end of the clamping mechanism in a penetrating mode and rotates relative to the clamping mechanism, and can adjust a gap between the clamping mechanism and the adjusting mechanism due to abrasion, so that measuring precision and accuracy are improved.
3) The measuring device has compact structure and small volume, and can be placed beside a flow line production line to carry out quick inspection of batch components in the flow line production.
Drawings
FIG. 1 is a schematic view of the structure of a workpiece to be measured in a measuring apparatus of the present invention;
FIG. 2 is a schematic view of the structure of the measuring device of the present invention;
Fig. 3 is a cross-sectional view of the clamping mechanism and the adjustment mechanism in the measuring device of the present invention.
In the figure:
1. a base; 2. a measuring mechanism; 3. a clamping mechanism; 4. an adjusting mechanism; 5.a workpiece;
21. A base assembly; 22. a slide rail; 23. a first measurement assembly; 24. a second measurement assembly;
211. A base body; 212. a top cover; 213. a cover plate;
231. the first sliding sleeve is arranged on the first sliding sleeve; 232. a first bezel; 233. a first dial gauge;
241. the second sliding sleeve; 242. a second bezel; 243. a second dial gauge;
31. a three-jaw chuck; 32. a connecting shaft;
311. A claw; 312. a jaw pad;
41. A carrier; 42. a shaft sleeve; 43. a compaction block; 44. a bearing assembly; 45. a stop assembly;
421. An oil filling hole;
441. A first gasket; 442. a second gasket; 443. a bearing;
451. A stop piece; 452. a limiting block;
51. a large shaft portion; 52. a small shaft portion; 53. a transition portion.
Detailed Description
The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.
The present embodiment provides a measuring apparatus, as shown in fig. 2, including: the measuring mechanism 2 is arranged on the base 1, and the measuring mechanism 2 can respectively measure the end face error of the large shaft part 51 of the workpiece 5 and the runout error of the outer circle. Wherein one end of the clamping mechanism 3 is capable of clamping the transition 53 of the workpiece 5. Meanwhile, the adjusting mechanism 4 is arranged on the base 1, the adjusting mechanism 4 is sleeved outside the other end of the clamping mechanism 3 and can rotate relative to the clamping mechanism 3, and the adjusting mechanism 4 can adjust a gap between the clamping mechanism 3 and the adjusting mechanism 4.
One end of the clamping mechanism 3 can clamp the transition part 53 of the workpiece 5, the other end of the clamping mechanism is arranged in the adjusting mechanism 4 in a penetrating mode and can rotate relative to the adjusting mechanism, the measuring mechanism 2 can respectively measure the end face error of the large shaft part 51 of the workpiece 5 relative to the A reference and the runout error of the outer circle, a clearance between the transition part 53 and the clamping mechanism 3 is inserted with a feeler gauge smaller than or equal to 0.02 mm to measure the parallelism error of the transition part 53 relative to the B reference, and compared with the mode of measuring by the handheld instrument in the prior art, the influence of subjective factors of operators is reduced, and further measuring accuracy and measuring efficiency are improved.
The adjusting mechanism 4 is sleeved outside the other end of the clamping mechanism 3 and can rotate relative to the clamping mechanism, and the adjusting mechanism 4 can adjust a gap between the clamping mechanism 3 and the adjusting mechanism 4 due to abrasion, so that the measuring precision and accuracy are improved.
The measuring device has compact structure and small volume, and can be placed beside a flow line production line to carry out quick inspection of batch components in the flow line production.
As shown in fig. 2, the measuring mechanism 2 includes two base components 21, a sliding rail 22 disposed between the two base components 21, and a first measuring component 23 and a second measuring component 24 both slidably disposed with the sliding rail 22, wherein the base components 21 include a base body 211 fixedly disposed on the base 1, a top cover 212 disposed on a top surface of the base body 211, and a cover plate 213 disposed between the base body 211 and the top cover 212, and in order to fix the sliding rail 22, the sliding rail 22 is disposed between the base body 211 and the top cover 212, and the sliding rail 22 is blocked between the base body 211 and the top cover 212 by the cover plate 213.
The first measuring assembly 23 includes a first sliding sleeve 231 slidably disposed on the sliding rail 22, a first gauge stand 232 disposed on the first sliding sleeve 231, and a first dial indicator 233 disposed on the first gauge stand 232, where a measuring head of the first dial indicator 233 is disposed along an axial direction of the workpiece 5, so that the measuring head can contact an end face of the large shaft 51 of the workpiece 5 to measure an end face error thereof. Meanwhile, the second measuring assembly 24 comprises a second sliding sleeve 241 which is slidably arranged with the sliding rail 22, a second dial indicator frame 242 which is arranged on the second sliding sleeve 241, and a second dial indicator 243 which is arranged on the second dial indicator frame 242, wherein a measuring head of the second dial indicator 243 is arranged along the radial direction of the workpiece 5, so that the measuring head can be in contact with the outer circle of the large shaft part 51 of the workpiece 5 to measure the runout error of the workpiece.
Before the first measuring component 23 and the second measuring component 24 measure the workpiece 5, a qualified workpiece is used as a standard sample, the positions of the first dial indicator 233 and the second dial indicator 243 on the slide rail 22 are respectively adjusted, and then two line segments of the qualified pointer range are marked on dial glass of the two dial indicators by using a marker pen for the standard sample.
Since the clamping mechanism 3 for clamping the transition portion 53 of the workpiece 5 is rotatably disposed in the adjusting mechanism 4, an operator rotates the clamping mechanism 3 to drive the workpiece 5 to rotate therewith, the first measuring component 23 can measure the end face error of the large shaft portion 51 of the workpiece 5, and the second measuring component 24 can measure the outer circle runout error of the large shaft portion 51 of the workpiece 5, so as to determine whether the scales displayed on the first dial indicator 233 and the second dial indicator 243 are within the marked range. If the scales displayed on the first dial indicator 233 and the second dial indicator 243 are within the marked range, the workpiece 5 is judged to be a qualified product, and then the next process can be performed; otherwise, the product is a defective product, reworked and reprocessed or scrapped.
As shown in fig. 2-3, the clamping mechanism 3 includes a three-jaw chuck 31 for clamping the transition portion 53 and a connecting shaft 32, wherein the connecting shaft 32 has a T-shaped structure, a large shaft end of the connecting shaft 32 is attached to a bottom surface of the three-jaw chuck 31 and fixedly connected with the three-jaw chuck 31, and a small shaft end of the connecting shaft 32 is inserted into the adjusting mechanism 4 and rotates relative to the adjusting mechanism.
Wherein the three-jaw chuck 31 is provided at its center with a center hole (not shown) for penetrating the small shaft portion 52 of the workpiece 5, and three jaws 311 for holding the workpiece 5 are uniformly provided on the three-jaw chuck 31 in the circumferential direction of the center hole. Because the three-jaw chuck 31 is of a hydraulic fastening type, after the hydraulic pressure is regulated to 0.7MPa, the workpiece 5 is placed between the three jaw pads 312 and is attached to the three jaw pads, and the hydraulic switch is stepped on by foot, so that the three jaw pads 312 can clamp the transition part 53 of the workpiece 5, and further the end face error of the large shaft part 51 of the workpiece 5 and the runout error of the outer circle can be measured respectively.
In order to prevent the workpiece 5 from being damaged, the claws 311 of the three-jaw chuck 31 are embedded with claw pads 312, and the claw pads 312 are made of beryllium copper and have harder hardness after heat treatment, so that the claw pads 312 have the advantages of wear resistance, magnetization resistance and the like. When it is necessary to measure the parallelism error in the transition portion 53 of the work 5, a feeler gauge of 0.02 mm or less may be inserted into the gap between the transition portion 53 and the jaw pad 312 to obtain the parallelism error of the transition portion 53 with respect to the B reference.
As shown in fig. 2-3, the adjusting mechanism 4 includes a carrier 41 disposed on the base 1, a shaft sleeve 42 penetrating the carrier 41, and two pressing blocks 43 sleeved on the shaft sleeve 42, the small shaft end of the connecting shaft 32 penetrates the shaft sleeve 42 and rotates relative to the shaft sleeve 42, and the shaft sleeve 42 is made of copper. In order to avoid the gap between the connecting shaft 32 and the shaft sleeve 42 due to relative rotation and abrasion, the inner wall of the carrier 41 and the outer wall of the shaft sleeve 42 are both in conical structures, and the inner wall of the carrier 41 is attached to the outer wall of the shaft sleeve 42, so that the measuring precision and accuracy can be improved.
When a gap exists between the connecting shaft 32 and the shaft sleeve 42, the two pressing blocks 43 respectively pressed against the two ends of the carrier 41 are loosened, the shaft sleeve 42 is moved to a preset position in the small-caliber direction (i.e. the right direction in fig. 2), and then the two pressing blocks 43 are pressed against the two ends of the carrier 41 again, so that the purpose of locking and fixing is achieved, and then the gap adjustment between the connecting shaft 32 and the shaft sleeve 42 is completed.
Specifically, the compression block 43 may be a round nut, where one end of the compression block 43 sleeved on the large caliber of the shaft sleeve 42 may be a round nut with the specification of M56X2, one end of the compression block 43 sleeved on the small caliber of the shaft sleeve 42 may be a round nut with the specification of M48X1.5, the best fit between the connecting shaft 32 and the shaft sleeve 42 is achieved by adjusting two round nuts, and then even if the connecting shaft 32 and the shaft sleeve 42 wear, the fit requirement is still met by adjusting two round nuts, so as to achieve the purpose of timely adjustment.
As shown in fig. 2-3, the adjusting mechanism 4 further includes a bearing assembly 44 and a stop assembly 45 respectively sleeved on the other end of the connecting shaft 32, where the bearing assembly 44 is disposed between the carrier 41 and the stop assembly 45, and the stop assembly 45 includes a stop tab 451 and a stop block 452 both sleeved on the connecting shaft 32, and since an inner stop lug of the stop tab 451 is clamped with a stop slot formed on the connecting shaft 32, an outer stop lug of the stop tab 451 is clamped with a stop slot formed on the stop block 452, so that the bearing assembly 44 can be fastened and limited. Meanwhile, as the other end of the connecting shaft 32 is sleeved with the shaft sleeve 42, the bearing assembly 44, the stop piece 451 and the stop block 452 in sequence, the stop assembly 45 is pressed against the end face of the shaft sleeve 42 through the bearing assembly 44, so that the bearing assembly 44 is only attached to the shaft sleeve 42, and looseness is prevented.
The bearing assembly 44 includes a first washer 441 contacting the sleeve 42, a second washer 442 contacting the stop piece 451, and a bearing 443 disposed between the first washer 441 and the second washer 442, wherein the bearing 443 is a GB 292 angular contact ball bearing. The first washer 441 and the second washer 442 are both sleeved on the connecting shaft 32, and can fix and axially limit the bearing 443.
In order to ensure smooth rotation of the connecting shaft 32, an oil filling hole 421 is formed in the shaft sleeve 42, wherein the oil filling hole 421 is a kidney-shaped hole for enhancing lubrication effects of the shaft sleeve 42 and the bearing 443, thereby ensuring measurement accuracy. Meanwhile, in order to ensure that the three-jaw chuck 31 rotates more lightly and flexibly, the mating surface of the bearing 443 and the sleeve 42 is provided with a plurality of oil grooves (not shown in the drawings) of a spiral structure.
It should be noted that, an operator can determine the fit state between the shaft sleeve 42 and the bearing 443 according to the rotation condition of the three-jaw chuck 31, and adjust the two round nuts in time to achieve a better fit clearance, thereby improving the use efficiency and durability of the measuring device.
The working process of the measuring device provided in this embodiment is as follows:
Firstly, a qualified workpiece is used as a standard sample, after the hydraulic pressure is regulated to 0.7MPa, the qualified workpiece is placed between three jaw pads 312 and is attached to the jaw pads, and a hydraulic switch is stepped on by foot, so that the three jaw pads 312 can clamp the transition part 53 of the qualified workpiece 5; after the positions of the first dial indicator 233 and the second dial indicator 243 on the slide rail 22 are respectively adjusted, two line segments of the qualified range of the pointer are marked on dial glass of the two dial indicators by using a standard sample and a marker;
secondly, after the qualified workpiece is removed from the three-jaw chuck 31, the workpiece 5 to be measured is clamped by the three-jaw chuck 31 in the same manner, and then a clearance gauge smaller than or equal to 0.02 mm is inserted into a clearance between the transition part 53 and the jaw pad 312, so that the parallelism error of the transition part 53 relative to the B reference is obtained; meanwhile, an operator rotates the three-jaw chuck 31 to drive the workpiece 5 to rotate along with the workpiece, and when scales displayed on the first dial indicator 233 and the second dial indicator 243 are within the marked range, the workpiece 5 is judged to be a qualified product, and then the next working procedure can be performed; otherwise, the product is a defective product;
When a gap appears between the connecting shaft 32 and the shaft sleeve 42, the two pressing blocks 43 respectively pressed against the two ends of the carrier 41 are loosened, the shaft sleeve 42 is moved to a preset position in the small-caliber direction, and then the two pressing blocks 43 are pressed against the two ends of the carrier 41 again, so that the purpose of locking and fixing is achieved, and then the gap adjustment between the connecting shaft 32 and the shaft sleeve 42 is completed.
It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (5)
1. A measurement device, comprising:
A base (1);
The measuring mechanism (2) is arranged on the base (1), and the measuring mechanism (2) can respectively measure the end face error and the runout error of the outer circle of the workpiece (5);
The clamping mechanism (3), one end of the clamping mechanism (3) can clamp the workpiece (5);
the adjusting mechanism (4) is arranged on the base (1), the other end of the clamping mechanism (3) penetrates through the adjusting mechanism (4) and can rotate relative to the clamping mechanism, and the adjusting mechanism (4) can adjust a gap between the clamping mechanism (3) and the adjusting mechanism (4);
The adjusting mechanism (4) comprises a carrying seat (41) arranged on the base (1) and a shaft sleeve (42) penetrating through the carrying seat (41), and the other end of the clamping mechanism (3) penetrates through the shaft sleeve (42) and rotates relative to the shaft sleeve;
The clamping mechanism (3) comprises a three-jaw chuck (31) for clamping the workpiece (5) and a connecting shaft (32), one end of the connecting shaft (32) is connected with the three-jaw chuck (31), and the other end of the connecting shaft is arranged in the adjusting mechanism (4) in a penetrating manner and can rotate relative to the adjusting mechanism;
The inner wall of the carrying seat (41) and the outer wall of the shaft sleeve (42) are both in conical structures, and the inner wall of the carrying seat (41) is attached to the outer wall of the shaft sleeve (42);
The adjusting mechanism (4) further comprises two pressing blocks (43) respectively propped against the two ends of the carrier seat (41), and the pressing blocks (43) are sleeved on the shaft sleeve (42);
The adjusting mechanism (4) further comprises a bearing assembly (44) and a stop assembly (45) which are respectively sleeved at the other end of the clamping mechanism (3), the other end of the clamping mechanism (3) is clamped to the stop assembly (45), and the bearing assembly (44) is arranged between the carrying seat (41) and the stop assembly (45) and is attached to the shaft sleeve (42);
When a gap is formed between the connecting shaft (32) and the shaft sleeve (42), the two pressing blocks (43) respectively pressed against the two ends of the carrier seat (41) are loosened, the shaft sleeve (42) is moved to a preset position in the small-caliber direction, and then the two pressing blocks (43) are pressed against the two ends of the carrier seat (41) again.
2. The measuring device according to claim 1, wherein the measuring mechanism (2) comprises two base components (21), a sliding rail (22) arranged between the two base components (21), and a first measuring component (23) and a second measuring component (24) which are respectively arranged in a sliding manner with the sliding rail (22), wherein the first measuring component (23) can measure the end face error of the workpiece (5), and the second measuring component (24) can measure the excircle runout error of the workpiece (5).
3. The measuring device according to claim 2, wherein the first measuring component (23) comprises a first sliding sleeve (231) slidably arranged with the sliding rail (22), a first gauge stand (232) arranged on the first sliding sleeve (231) and a first dial indicator (233) arranged on the first gauge stand (232), and a measuring head of the first dial indicator (233) can be contacted with an end face of the workpiece (5) to measure an end face error thereof.
4. The measuring device according to claim 2, wherein the second measuring assembly (24) comprises a second sliding sleeve (241) slidably arranged with the sliding rail (22), a second gauge stand (242) arranged on the second sliding sleeve (241) and a second dial indicator (243) arranged on the second gauge stand (242), and the measuring head of the second dial indicator (243) can be contacted with the outer circle of the workpiece (5) to measure the runout error thereof.
5. Measuring device according to claim 1, characterized in that the jaws (311) of the three-jaw chuck (31) are each provided with a jaw pad (312), which jaw pad (312) is capable of clamping the workpiece (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810768221.1A CN108680077B (en) | 2018-07-13 | 2018-07-13 | A measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810768221.1A CN108680077B (en) | 2018-07-13 | 2018-07-13 | A measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108680077A CN108680077A (en) | 2018-10-19 |
| CN108680077B true CN108680077B (en) | 2024-11-15 |
Family
ID=63813846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810768221.1A Active CN108680077B (en) | 2018-07-13 | 2018-07-13 | A measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108680077B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112197665A (en) * | 2020-09-07 | 2021-01-08 | 舒城久联精密机械有限公司 | Finished product detection device is used in motor shaft processing |
| CN114927050B (en) * | 2022-05-31 | 2023-07-14 | 西安航空学院 | A Runout Tolerance Testing Teaching Aid |
| CN114935298B (en) * | 2022-06-04 | 2025-02-07 | 精效悬浮(苏州)科技有限公司 | An assembly measuring tool for blower |
| CN117464041A (en) * | 2023-12-13 | 2024-01-30 | 超同步股份有限公司 | An impeller tooling fixture based on five-axis machining and its debugging method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107421425A (en) * | 2017-08-17 | 2017-12-01 | 青岛华瑞汽车零部件股份有限公司 | A kind of camshaft device for detecting symmetry degree and its measuring method |
| CN107941508A (en) * | 2018-01-03 | 2018-04-20 | 中铁检验认证中心 | Gear-box bracket loading test platform axle support structure |
| CN208579694U (en) * | 2018-07-13 | 2019-03-05 | 上海精智实业股份有限公司 | A kind of measuring device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200950052Y (en) * | 2006-05-26 | 2007-09-19 | 万向钱潮股份有限公司 | Forgeable piece error displacement detecting instrument |
| JP4205146B1 (en) * | 2007-12-27 | 2009-01-07 | 株式会社アイオー精密 | Device for measuring eccentricity of toothed rotor |
| CN105509675B (en) * | 2016-01-19 | 2018-03-02 | 浙江爱易特智能技术有限公司 | Bearing parameter measurement assembly |
| CN107403043B (en) * | 2017-07-24 | 2020-06-16 | 太原科技大学 | A method for checking the design dimensions of wind power locking discs |
| CN107726969B (en) * | 2017-11-14 | 2019-12-10 | 苏州市相城区黄桥工业园经济发展有限公司 | Multifunctional coaxiality measuring instrument |
-
2018
- 2018-07-13 CN CN201810768221.1A patent/CN108680077B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107421425A (en) * | 2017-08-17 | 2017-12-01 | 青岛华瑞汽车零部件股份有限公司 | A kind of camshaft device for detecting symmetry degree and its measuring method |
| CN107941508A (en) * | 2018-01-03 | 2018-04-20 | 中铁检验认证中心 | Gear-box bracket loading test platform axle support structure |
| CN208579694U (en) * | 2018-07-13 | 2019-03-05 | 上海精智实业股份有限公司 | A kind of measuring device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108680077A (en) | 2018-10-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9707649B2 (en) | Method for centering grinding wheel in thread grinder and measurement device for centering | |
| CN107421425B (en) | Camshaft symmetry detection device and measurement method thereof | |
| CN207936891U (en) | A kind of instrument for measuring pitch diameter of internal thread | |
| CN204085362U (en) | Fly wheel assembly is beated comprehensive check tool | |
| CN108680077A (en) | a measuring device | |
| CN105371722A (en) | Checking tool capable of measuring 0.7-dimension end surface teeth | |
| CN105021525B (en) | Solid carbide state of wear detects fixture | |
| CN102193039A (en) | Linear tester and test method for potentiometers | |
| CN217475506U (en) | Digit control machine tool gauge head calibrating device | |
| CN223551051U (en) | Taper shaft type dimension measuring tool | |
| CN108050922B (en) | Coaxiality detection device | |
| CN104502211B (en) | A kind of frock and accurate main shaft cylinder roller bearing rockwell hardness measurement method | |
| CN103878553B (en) | The processing method of high accuracy V-ring shape bearing assembly | |
| CN208579694U (en) | A kind of measuring device | |
| US3877151A (en) | Method of checking horizontal spacings on a crankshaft | |
| CN104308110B (en) | Alignment table centering contact mechanism precision micromatic setting and method | |
| CN216523574U (en) | Detection measuring tool | |
| CN102901423B (en) | Valve seat ring jerk testing tool | |
| JP3866432B2 (en) | Ball screw nut inspection device | |
| CN104374277A (en) | Hole diameter measuring tool | |
| CN201548187U (en) | A chuck accuracy detection device with an autorotation mechanism that can be used offline | |
| CN215766834U (en) | A play detects frock for plunger motor plunger subassembly | |
| CN106903612B (en) | Tool detector and implementation method | |
| CN213336057U (en) | Device for detecting angle of sealing seat surface of needle valve body | |
| TW201335592A (en) | Automatic abrasion scraping tester |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Measuring device and shaft body detection equipment Granted publication date: 20241115 Pledgee: Industrial Commercial Bank of China Ltd. Yangpu branch Shanghai China Pledgor: SHANGHAI JINGZHI INDUSTRY Co.,Ltd. Registration number: Y2025980042797 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |