CN211085003U - Device for detecting angle consistency of eccentric circumferential position of crankshaft by using yaw meter - Google Patents
Device for detecting angle consistency of eccentric circumferential position of crankshaft by using yaw meter Download PDFInfo
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- CN211085003U CN211085003U CN201922252891.0U CN201922252891U CN211085003U CN 211085003 U CN211085003 U CN 211085003U CN 201922252891 U CN201922252891 U CN 201922252891U CN 211085003 U CN211085003 U CN 211085003U
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Abstract
The utility model provides an utilize eccentric circumference position angle uniformity of pendulum appearance detection crank axle device, including measuring the inspection workstation, desk-top pendulum appearance, amesdial bracing piece and lever amesdial, desk-top pendulum appearance is fixed on measuring the inspection workstation, the amesdial bracing piece is fixed at desk-top pendulum appearance one side and is fixed two amesdials on it, two amesdials are fixed at a distance from the two to be on the eccentric journal central point position separately of measuring the appearance axle eccentricity with the crank axle for the pair meter, the lever amesdial passes through lever amesdial bracing piece removal demountable installation and is close to crank axle spline journal part's spline tooth one side on measuring the inspection workstation, the measuring head of lever amesdial contacts with the highest point of profile of spline journal part one side. The utility model discloses can be applied to the production site and carry out the random inspection, and the error of the relative spline tooth part of two eccentric circle journals in circumference position angle uniformity is judged in the short-term examination, also can be applied to two or three and detect for a set of crank axle.
Description
Technical Field
The utility model relates to a crank axle detection device especially relates to an utilize beat appearance to detect eccentric circumference position angle uniformity device of crank axle.
Background
The detection mode of the eccentric dimension of the crank shaft is traditionally that a three-coordinate measuring instrument is adopted to check the dimension, although the three-coordinate measuring instrument can achieve higher detection precision, the three-coordinate measuring instrument is high in price and high in use cost, cannot be directly used in a production field, cannot realize timely tracking according to the production field, is low in sampling frequency, cannot meet the detection requirement of large-batch crank shaft parts, and particularly does not have a detection tool for detecting the angle consistency of two eccentric circular shaft necks relative to a spline tooth part at the circumferential position.
Disclosure of Invention
The utility model provides a solve above-mentioned problem, provide one kind can be to the relative spline tooth part of two eccentric round axle journals on the crank axle at the detection device of circumference position angle uniformity.
The utility model discloses the technical scheme who takes:
the utility model provides an utilize eccentric circumference position angle uniformity of yaw appearance detection crank axle device, including measuring the inspection workstation, desk-top yaw appearance, amesdial bracing piece and dial indicator, desk-top yaw appearance is fixed on measuring the inspection workstation, the amesdial bracing piece is fixed in desk-top yaw appearance one side and is fixed two amesdials on it, two amesdials are fixed on the eccentric journal central point position of measuring the sample shaft with the crank axle to the table, and between two amesdials apart from measuring the twice eccentricity of sample shaft with the crank axle for the table, the dial indicator passes through the removal of dial indicator bracing piece and demountable installation on measuring the inspection workstation and is close to crank axle spline journal part spline tooth one side, the measuring head of lever amesdial contacts with the highest point of profile of spline shaft journal part one side.
And a fixed central hole tip and a movable central hole tip on the table type deflection instrument are respectively pressed against the centers of the two ends of the crankshaft measuring sample shaft for the counter-meter or the centers of the two ends of the crankshaft to be detected.
The precision of the crankshaft measurement sample axis for the pair of the gauges is not lower than 3-level precision.
The utility model has the advantages that: the utility model discloses can be applied to the production site and carry out the random inspection, and the error of the relative spline tooth part of two eccentric circle journals in circumference position angle uniformity is judged in the short-term examination, also can be applied to two or three and detect for a set of crank axle.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a left side view of the utility model when the dial indicator is installed.
Fig. 3 is a schematic view of the crankshaft structure of the present invention.
Fig. 4 is a partially enlarged schematic view of a portion a in fig. 2.
Wherein: 1-measuring and checking the working platform; 2-a table type yaw instrument; 3-fixing a center hole tip; 4-measuring a sample axis of the crankshaft for the pair of gauges; 5-dial indicator; 6-movable center hole tip; 7-dial gauge support bar; 8-dial indicator; 9-splined journal portion; 10-lever dial gauge support bar; 11-eccentricity; 12-highest point of tooth profile.
Detailed Description
A device for detecting the consistency of the eccentric circumferential position angle of a crankshaft by using a deflection instrument comprises a measuring and checking workbench 1, a table deflection instrument 2, a dial indicator support rod 7 and a lever dial indicator 8, wherein the table deflection instrument 2 is fixed on the measuring and checking workbench 1, the dial indicator support rod 7 is fixed on one side of the table deflection instrument 2, two dial indicators 5 are fixed on the dial indicator support rod 7, the two dial indicators 5 are fixed on the central point position of an eccentric shaft neck of a measuring sample shaft 4 of the crankshaft for calibration, and the distance between the two dial gauges 5 is twice the eccentricity of the crankshaft measurement sample shaft 4 for the gauge, the dial gauge 8 is movably and detachably mounted on the spline tooth side close to the crankshaft spline journal part 9 on the measurement and inspection workbench 1 through a dial gauge support rod 10, and a measurement head of the dial gauge 8 is in contact with the tooth profile peak 12 on the spline journal part 9 side.
A fixed center hole tip 3 and a movable center hole tip 6 on the table type deflection instrument 2 are respectively pressed against the centers of the two ends of a crankshaft measuring sample shaft 4 for alignment or the centers of the two ends of a crankshaft to be detected.
The precision of the crankshaft measurement sample shaft 4 for the pair of gauges is not lower than 3-level precision.
The operation steps for detecting the angle consistency of the two eccentric round shaft necks relative to the spline shaft neck part 9 at the circumferential position are as follows:
1. firstly, a crankshaft measurement sample shaft 4 for a counter meter is arranged on a table type deflection instrument 2 which is stably and reliably placed on a measurement and inspection workbench 1, and two ends of the crankshaft measurement sample shaft 4 for the counter meter are tightly leaned at a fixed center hole tip 3 and a movable center hole tip 6;
2. the specified numerical value of the pointer is respectively adjusted and determined at the central point position of each eccentric journal by two dial gauges 5 which are fixed on a dial gauge support rod 7 and have a distance of two times of eccentricity 11, and the dial gauge support rod 7 is equivalent to a measurement foundation and also needs to be fixed;
3. after finding out that the tooth form on one side of the spline tooth of a certain spline journal part 9 is in a convex shape, as shown in the attached drawing 2, moving a lever dial indicator 8 on a measurement and inspection workbench 1, finding out the highest point 12 of the tooth profile and adjusting and determining the designated numerical value of a pointer, wherein the actual involute spline common normal numerical value of a sample shaft is considered when the designated numerical value of the pointer is adjusted and determined, and the adjustment can be carried out according to the difference of common normal lines;
4. the crankshaft measuring sample shaft 4 for the counter gauge is dismounted, the measured crankshaft is replaced, the circumferential positions of the crankshafts are respectively adjusted by two dial gauges 5, then the indication value of the tooth-shaped convex point at one side of the involute spline shaft neck part 9 is measured and recorded by a lever dial gauge 8, and the actual common normal value of the involute spline is considered in the step of attention;
5. because the actual use of the crankshaft is two or three as one group, when other crankshaft workpieces are detected, the dial indicator 8 of the crankshaft is used for measuring the indication value of the tooth form convex point at one side of the involute spline shaft neck part 9, and the one group of two or three parts meets the design and assembly requirements, thus the crankshaft is qualified.
The precision of the crankshaft measurement sample shaft 4 for the configured pair-checking gauge is not lower than 3-level precision, various precision of the deflection instrument is required to be detected to meet the requirement during application, and the position precision is accurate and reliable after the workpiece is positioned and compacted for multiple times; the positions of the crankshaft, such as the eccentricity, the cylindricity of the eccentric shaft, the diameter of the eccentric cylinder, the connection line of three points of the centers of the two eccentric circles and the rotation center of the crankshaft, which are basically a straight line, meet the precision requirement; the spline shaft neck part 9 is finished by fine grinding after quenching; each part of the crank shaft is processed by a high-precision numerical control machine tool, and the processing precision is not lower than 4 grade.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (3)
1. A device for detecting the consistency of the eccentric circumferential position angle of a crankshaft by using a deflection instrument is characterized by comprising a measuring and checking workbench (1), a table-type deflection instrument (2), dial indicator supporting rods (7) and dial indicators (8), wherein the table-type deflection instrument (2) is fixed on the measuring and checking workbench (1), the dial indicator supporting rods (7) are fixed on one side of the table-type deflection instrument (2) and two dial indicators (5) are fixed on the dial indicator supporting rods (7), the two dial indicators (5) are fixed on the eccentric journal central point position of a crankshaft measuring sample shaft (4) for a meter, the distance between the two dial indicators is twice the eccentric distance of the crankshaft measuring sample shaft (4), the dial indicators (8) are movably and detachably arranged on one side of spline teeth, close to a spline journal part (9), on the measuring and checking workbench (1) through the lever dial indicator supporting rods (10), the measuring head of the lever dial indicator (8) is in contact with the highest point (12) of the tooth profile on one side of the spline shaft neck part (9).
2. The device for detecting the consistency of the eccentric circumferential position angle of the crank shaft by using the yaw instrument according to claim 1, wherein a fixed central hole tip (3) and a movable central hole tip (6) on the table-type yaw instrument (2) are respectively close to the shaft centers at two ends of a measuring sample shaft (4) of the crank shaft for counter-measuring or the shaft centers at two ends of the crank shaft to be detected.
3. The apparatus for detecting the angular uniformity of an eccentric circumferential position of a crankshaft using a yaw rate gauge according to claim 1, wherein the accuracy of the measurement sample axis (4) of the crankshaft for the gauge is not less than 3 levels of accuracy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922252891.0U CN211085003U (en) | 2019-12-16 | 2019-12-16 | Device for detecting angle consistency of eccentric circumferential position of crankshaft by using yaw meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922252891.0U CN211085003U (en) | 2019-12-16 | 2019-12-16 | Device for detecting angle consistency of eccentric circumferential position of crankshaft by using yaw meter |
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| Publication Number | Publication Date |
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| CN211085003U true CN211085003U (en) | 2020-07-24 |
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| CN201922252891.0U Active CN211085003U (en) | 2019-12-16 | 2019-12-16 | Device for detecting angle consistency of eccentric circumferential position of crankshaft by using yaw meter |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112461098A (en) * | 2020-10-19 | 2021-03-09 | 中能（天津）智能传动设备有限公司 | Detection method for crankshaft eccentric shaft diameter consistency production field |
| CN112525118A (en) * | 2020-10-19 | 2021-03-19 | 珠海飞马传动机械有限公司 | Eccentric shaft composite size detection tool clamp and detection method |
| CN114800084A (en) * | 2022-02-25 | 2022-07-29 | 上海机床厂有限公司 | Precision machining method of eccentric shaft |
| CN118023912A (en) * | 2024-04-12 | 2024-05-14 | 北京特思迪半导体设备有限公司 | Spindle adjusting method and equipment based on spindle assembly tool |
-
2019
- 2019-12-16 CN CN201922252891.0U patent/CN211085003U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112461098A (en) * | 2020-10-19 | 2021-03-09 | 中能（天津）智能传动设备有限公司 | Detection method for crankshaft eccentric shaft diameter consistency production field |
| CN112525118A (en) * | 2020-10-19 | 2021-03-19 | 珠海飞马传动机械有限公司 | Eccentric shaft composite size detection tool clamp and detection method |
| CN112525118B (en) * | 2020-10-19 | 2022-08-19 | 珠海飞马传动机械有限公司 | Eccentric shaft composite size detection method |
| CN114800084A (en) * | 2022-02-25 | 2022-07-29 | 上海机床厂有限公司 | Precision machining method of eccentric shaft |
| CN118023912A (en) * | 2024-04-12 | 2024-05-14 | 北京特思迪半导体设备有限公司 | Spindle adjusting method and equipment based on spindle assembly tool |
| CN118023912B (en) * | 2024-04-12 | 2024-06-07 | 北京特思迪半导体设备有限公司 | Spindle adjusting method and equipment based on spindle assembly tool |
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