CN218063058U - Standard eccentric shaft for coaxiality error calibration - Google Patents
Standard eccentric shaft for coaxiality error calibration Download PDFInfo
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- CN218063058U CN218063058U CN202222583441.1U CN202222583441U CN218063058U CN 218063058 U CN218063058 U CN 218063058U CN 202222583441 U CN202222583441 U CN 202222583441U CN 218063058 U CN218063058 U CN 218063058U
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- standard eccentric
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- 238000005259 measurement Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a standard eccentric shaft is used in axiality error calibration relates to work piece measurement technical field, including connecting axle one and connecting axle two, the one end fixedly connected with hexagon nut of connecting axle one, be provided with thread bush two in the hexagon nut, two internal rotations of thread bush are connected with screw one, the one end fixedly connected with standard eccentric portion of screw one, the other end fixedly connected with screw two of standard eccentric portion, the one end fixedly connected with screw section of connecting axle two, be provided with thread bush one in the screw section. The utility model discloses when using, can be through changing not unidimensional standard eccentric portion, accurate measuring out calculates the accurate numerical value of eccentricity, realizes quick measurement calibration, later puts into the eccentric shaft of production and calculates in measuring and calculating the instrument, carries out the comparison with standard eccentric value, reachs the indicating value error of instrument to the error to the eccentric shaft is calibrated.
Description
Technical Field
The utility model relates to a work piece measurement technical field, in particular to standard eccentric shaft is used in axiality error calibration.
Background
The workpiece with the excircle parallel to the axis of the excircle and not coincident with the axis of the excircle is called an eccentric shaft. The eccentric shaft is usually fixed on the rotating shaft of the motor through an eccentric hole, and when the motor is started, the eccentric shaft makes a cam motion. Therefore, the composite material is widely applied to automobiles, engines, pumps and the like. Because the camshaft has a complex contour curve, it is time-consuming and labor-consuming to achieve high-precision machining quality.
In the detection and calibration of the existing crankshaft and camshaft measuring instrument, a standard mandrel is arranged between two apexes, and the parallelism between an axis and a measuring carriage and the coaxiality between the two apexes are measured; and then, installing a standard eccentric shaft combined by a standard eccentric shaft and a standard mandrel between the two apexes, setting the instrument into a measuring state, measuring an eccentric value, and comparing the measured eccentric value with the standard eccentric value to obtain an indication value error of the instrument. However, at present, no corresponding complete standard apparatus exists in China, and the detection and calibration can be performed only on a single position of the apparatus. Therefore, the application provides a standard eccentric shaft for coaxiality error calibration to meet the requirement.
SUMMERY OF THE UTILITY MODEL
The present application is directed to a standard eccentric shaft for coaxiality error calibration, so as to solve the problems mentioned in the background art.
In order to achieve the above purpose, the present application provides the following technical solutions: the standard eccentric shaft for coaxiality error calibration comprises a first connecting shaft and a second connecting shaft, wherein a hexagon nut is fixedly connected to one end of the first connecting shaft, a second threaded sleeve is arranged in the hexagon nut, a first screw is connected to the second threaded sleeve in a rotating mode, a standard eccentric portion is fixedly connected to one end of the first screw, a second screw is fixedly connected to the other end of the standard eccentric portion, a threaded section is fixedly connected to one end of the second connecting shaft, a first threaded sleeve is arranged in the threaded section, and the first threaded sleeve is rotatably connected with the second screw.
Preferably, the top of the first connecting shaft and the top of the second connecting shaft are both provided with positioning holes.
Preferably, a center hole is formed in one side of each of the first connecting shaft and the second connecting shaft, and the center hole is located in the center shaft of the first connecting shaft and the center shaft of the second connecting shaft.
Preferably, two sides of the standard eccentric portion are respectively and fixedly connected with a first screw and a second screw, and the standard eccentric portion is respectively and rotatably connected with the first connecting shaft and the second connecting shaft through the first screw and the second screw.
Preferably, the two sides of the standard eccentric part are respectively connected with a gasket in a sliding manner, one side of one gasket is connected with the hexagonal nut in a sliding manner, and one side of the other gasket is connected with the threaded section in a sliding manner.
Preferably, the first connecting shaft is in threaded connection with a first screw fixedly connected with one side of the standard eccentric part through a second threaded sleeve arranged in the hexagon nut.
Preferably, the second connecting shaft is in threaded connection with a second screw fixedly connected with one side of the standard eccentric part through a first threaded sleeve arranged in the threaded section.
To sum up, the utility model discloses a technological effect and advantage:
1. the utility model discloses it is rational in infrastructure, can be through changing not unidimensional standard eccentric portion, accurate numerical value of the eccentricity of accurate measurement, realize quick measurement calibration, later put into the measuring and calculating instrument with the eccentric shaft of production and calculate, compare with standard eccentric value, the indicating value error of instrument reachs, thereby calibrate the error of eccentric shaft, this device simple structure simultaneously, make connecting axle and standard eccentric portion fix through hexagon nut and screw, can dismouting rapidly, realize the quick adjustment of different eccentricities, can calibrate different standard eccentric shafts.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic perspective view of a standard eccentric shaft for coaxiality error calibration;
FIG. 2 is a schematic perspective view of a connection shaft of a standard eccentric shaft for alignment of coaxiality errors;
FIG. 3 is a schematic perspective view showing a structure of a standard eccentric section of a standard eccentric shaft for coaxiality error calibration;
FIG. 4 is a schematic view of a three-dimensional connection structure of a first connection shaft structure in a standard eccentric shaft for coaxiality error calibration;
FIG. 5 is a schematic view of a three-dimensional connection structure of a standard eccentric shaft for coaxiality error calibration, in which a standard eccentric portion structure is replaced.
In the figure: 1. connecting a shaft I; 2. a hexagonal nut; 3. a standard eccentric portion; 4. a second connecting shaft; 5. a gasket; 6. a threaded section; 7. sleeving a first thread; 8. a tip hole; 9. a second thread sleeve; 10. a first screw; 11. positioning holes; 12. and a second screw.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Example (b): referring to fig. 1-5, a standard eccentric shaft for coaxiality error calibration includes a first connecting shaft 1 and a second connecting shaft 4, one end of the first connecting shaft 1 is fixedly connected with a hexagon nut 2, a second thread bushing 9 is arranged in the hexagon nut 2, a first screw 10 is rotatably connected in the second thread bushing 9, one end of the first screw 10 is fixedly connected with a standard eccentric portion 3, the other end of the standard eccentric portion 3 is fixedly connected with a second screw 12, one end of the second connecting shaft 4 is fixedly connected with a thread section 6, a first thread bushing 7 is arranged in the thread section 6, and the first thread bushing 7 is rotatably connected with the second screw 12.
Referring to fig. 1, 2 and 4, the top of the first connecting shaft 1 and the top of the second connecting shaft 4 are both provided with positioning holes 11, and the connecting shaft and the eccentric portion can be placed on a measuring and calculating instrument through the positioning holes 11 for detection.
Referring to fig. 1, 2 and 4, a center hole 8 is formed at one side of each of the first connecting shaft 1 and the second connecting shaft 4, the center hole 8 is located at a central axis of the first connecting shaft 1 and the second connecting shaft 4, a standard eccentric shaft formed by combining the standard eccentric portion 3 and the connecting shaft is installed between the two centers, and the eccentric value is measured by setting the instrument to be in a measuring state.
Referring to fig. 1-4, a first screw 10 and a second screw 12 are respectively fixedly connected to two sides of the standard eccentric portion 3, the standard eccentric portion 3 is rotatably connected to the first connecting shaft 1 and the second connecting shaft 4 through the first screw 10 and the second screw 12, and the washer 5 plays a role in protection during the connection process of the connecting shaft and the standard eccentric portion 3.
Referring to fig. 1-4, two sides of the standard eccentric portion 3 are slidably connected with washers 5, wherein one side of one washer 5 is slidably connected with the hexagon nut 2, one side of the other washer 5 is slidably connected with the threaded section 6, and the washers 5 play a role in protection during the connection process of the connecting shaft and the standard eccentric portion 3.
Referring to fig. 1, 3 and 4, the first connecting shaft 1 is in threaded connection with a first screw 10 fixedly connected to one side of the standard eccentric portion 3 through a second threaded sleeve 9 disposed in the hexagon nut 2, so that the first connecting shaft 1 and the standard eccentric portion 3 are fastened and connected together through threads, and replacement of the standard eccentric portion 3 is facilitated.
This practical theory of operation: the installation and the use of the device should follow relevant safety regulations and avoid misoperation. When the device is used, when the error calibration needs to be carried out on the eccentric shaft in the production process, the standard eccentric part 3 is in threaded connection with the hexagon nut 2 at one end of the connecting shaft I1 through the screw I10, the other end of the standard eccentric part 3 is in threaded connection with the threaded section 6 at one end of the connecting shaft II 4 through the screw II 12, after the two connecting shafts are tightly connected with the standard eccentric part 3, the standard eccentric part is fixed on a crankshaft and camshaft measuring instrument through the tip holes 8 at the two ends of the connecting shafts to measure and calculate a standard eccentric value, then the produced eccentric shaft is placed on the measuring instrument to measure and calculate, and compared with the standard eccentric value, the indication value error of the instrument is obtained.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (7)
1. The utility model provides a standard eccentric shaft is used in axiality error calibration, includes connecting axle one (1) and connecting axle two (4), its characterized in that: the one end fixedly connected with hexagon nut (2) of connecting axle one (1), be provided with thread bush two (9) in hexagon nut (2), the internal rotation of thread bush two (9) is connected with screw one (10), one end fixedly connected with standard eccentric portion (3) of screw one (10), the other end fixedly connected with screw two (12) of standard eccentric portion (3), the one end fixedly connected with screw thread section (6) of connecting axle two (4), be provided with thread bush one (7) in screw thread section (6), thread bush one (7) is rotated with screw two (12) and is connected.
2. The eccentric shaft of claim 1, wherein: and positioning holes (11) are formed in the tops of the first connecting shaft (1) and the second connecting shaft (4).
3. The standard eccentric shaft for coaxiality error calibration according to claim 1, wherein: and a center hole (8) is formed in one side of each of the first connecting shaft (1) and the second connecting shaft (4), and the center hole (8) is located in the center shaft of the first connecting shaft (1) and the center shaft of the second connecting shaft (4).
4. The standard eccentric shaft for coaxiality error calibration according to claim 1, wherein: and the two sides of the standard eccentric part (3) are respectively and fixedly connected with a first screw (10) and a second screw (12), and the standard eccentric part (3) is respectively and rotatably connected with a first connecting shaft (1) and a second connecting shaft (4) through the first screw (10) and the second screw (12).
5. The standard eccentric shaft for coaxiality error calibration according to claim 1, wherein: and the two sides of the standard eccentric part (3) are respectively connected with a gasket (5) in a sliding manner, one side of one gasket (5) is connected with the hexagonal nut (2) in a sliding manner, and the other side of the other gasket (5) is connected with the threaded section (6) in a sliding manner.
6. The standard eccentric shaft for coaxiality error calibration according to claim 1, wherein: the connecting shaft I (1) is in threaded connection with a screw I (10) fixedly connected with one side of the standard eccentric part (3) through a threaded sleeve II (9) arranged in the hexagon nut (2).
7. The eccentric shaft of claim 1, wherein: and the second connecting shaft (4) is in threaded connection with a second screw (12) fixedly connected with one side of the standard eccentric part (3) through a first thread sleeve (7) arranged in the thread section (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222583441.1U CN218063058U (en) | 2022-09-28 | 2022-09-28 | Standard eccentric shaft for coaxiality error calibration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222583441.1U CN218063058U (en) | 2022-09-28 | 2022-09-28 | Standard eccentric shaft for coaxiality error calibration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218063058U true CN218063058U (en) | 2022-12-16 |
Family
ID=84409802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222583441.1U Expired - Fee Related CN218063058U (en) | 2022-09-28 | 2022-09-28 | Standard eccentric shaft for coaxiality error calibration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218063058U (en) |
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2022
- 2022-09-28 CN CN202222583441.1U patent/CN218063058U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221216 |
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| CF01 | Termination of patent right due to non-payment of annual fee |