CN104019781A - Measuring head capable of measuring radius height and contraaperture parallelism of bearing bush at the same time - Google Patents
Measuring head capable of measuring radius height and contraaperture parallelism of bearing bush at the same time Download PDFInfo
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- CN104019781A CN104019781A CN201410279426.5A CN201410279426A CN104019781A CN 104019781 A CN104019781 A CN 104019781A CN 201410279426 A CN201410279426 A CN 201410279426A CN 104019781 A CN104019781 A CN 104019781A
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
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Abstract
The invention relates to a measuring head capable of measuring the radius height and the contraaperture parallelism of a bearing bush at the same time. The measuring head comprises a measuring head mounting plate 1, a bearing pedestal 2, a parallelism sensor support 4, a parallelism sensor 5, a needle bearing 7, a rotating shaft 8, a radius height sensor support 9, a measuring plate support 11, a radius height sensor 12, a measuring plate 13, an extension spring 15 and screws. The measuring plate 13 fixedly connected with the rotating shaft 8 through the measuring plate support 11 and the second screw 6 can rotate around the center of the needle bearing 7, the needle bearing 7 is used for ensuring the rotation precision of the measuring plate 13, and the radius height sensor 12 and the parallelism sensor 5 are used for measuring the radius height error and the contraaperture parallelism error of the bearing bush respectively. The extension spring 15 is used for ensuring that the measuring plate 13 is in the vertical state when not used. The complete needle bearing with an inner ring is utilized for achieving the high-precision rotation of the measuring plate, and therefore the measuring precision is ensured, and the measuring head is simple in structure, low in cost and wide in application prospect.
Description
Technical field
The present invention relates to a kind of measurement mechanism, the especially a kind of measuring head that can simultaneously measure bearing bush radius projection height and the counterpart depth of parallelism.
Background technology
As everyone knows, bearing shell is one of vital part in all kinds of engine friction pairs.It is wide in variety, batch is large, quality requirements is high.Radius height and the counterpart depth of parallelism of bearing shell are to weigh two important parameters of its workmanship.Therefore, national standard requires radial height and the counterpart depth of parallelism to bearing shell to take full procuratorial organ formula to detect, and carries out category filter according to different accuracy class requirement.This work is subject to the great attention of domestic and international bearing shell manufacturer always.At present, domestic to the high detection of the bearing bush radius projection devices of announcing as patent CN201731845U " bearing bush radius projection height measurement device " that use more.It adopts monolateral load mode, manually carries out off-line measurement and sorting.There is the drawbacks such as detection efficiency is low, labour intensity is large, human factor is many, poor reliability in this detection mode, accuracy of detection is difficult to meet more and more higher requirement, and can not measure the counterpart depth of parallelism of bearing shell.For this reason, domestic minority bearing shell manufacturer has introduced the high and counterpart depth of parallelism automatic checkout equipment of bearing bush radius projection from external, though can meet testing requirement, the defect such as have that price is high, maintenance cost large, measurement data fluctuates larger.Undoubtedly, in bearing bush radius projection height and counterpart parallelism measuring apparatus, measuring head is the parts of most critical.Find by research, import equipment all adopts bilateral Loading Method, adopt two independently can be with a watt measuring head for mouth Plane Rotation, carry out the measurement of the high and counterpart depth of parallelism of radius simultaneously.It is to be realized by the needle bearing without inner ring of cutting open that the high-precision rotation of its measuring head requires.Its shortcoming is, measuring head complex structure, and after needle bearing cuts open, the resilience of outer ring can cause the reduction of its rotation precision, although can adopt pressing plate that the outer ring of cutting open is pressed in the hole in base with standard profile, but be difficult to reach the original rotation precision of bearing.On the other hand, the gauge head rotating part coordinating with needle roller also needs other manufacture, and accuracy requirement is higher, thereby causes the price of whole device higher; Measuring head in " bearing bush radius projection height and depth of parallelism automatic detection device " that national patent CN202204501U announces also adopts bilateral load mode, but it only provides the schematic diagram of measuring head profile, does not describe the structure of measuring head in detail.In view of the deficiency that in above-mentioned domestic and international bearing bush radius projection height and counterpart parallelism measuring apparatus, measuring head exists, develop precision measuring head high, simple in structure, with low cost most important.
Summary of the invention
The object of this invention is to provide a kind of measuring head that can simultaneously measure bearing bush radius projection height and the counterpart depth of parallelism, can be used for adopting radius height and the counterpart depth of parallelism of monolateral or bilateral load mode measurement bearing shell, and rotation precision is high, simple in structure, with low cost.Object of the present invention is achieved through the following technical solutions:
The measuring head that can simultaneously measure bearing bush radius projection height and the counterpart depth of parallelism of the present invention's proposition, comprises measuring head installing plate 1, bearing seat 2, depth of parallelism sensor stand 4, depth of parallelism sensor 5, needle bearing 7, rotation axis 8, the high sensor stand 9 of radius, measures board mount 11, the high sensor 12 of radius, measures plate 13, extension spring 15, screw.
Bearing seat 2 connects firmly with measuring head installing plate 1 by the 6th screw 17.Hole close-fitting on the outer ring of needle bearing 7 and bearing seat 2.The inner ring close-fitting of rotation axis 8 and needle bearing 7.Measuring board mount 11 connects firmly by the second screw 6 with rotation axis 8.Measuring plate 13 connects firmly by the 7th screw 18 with measurement board mount 11.Depth of parallelism sensor stand 4 connects firmly with bearing seat 2 by the 5th screw 16.Depth of parallelism sensor 5 inserts in the hole of depth of parallelism sensor stand 4, and is locked by the first screw 3.The high sensor stand 9 of radius connects firmly with bearing seat 2 by the 4th screw 14.The high sensor 12 of radius inserts in the hole of the high sensor stand 9 of radius, and is locked by the 3rd screw 10.The two ends of extension spring 15 connect firmly with measurement plate 13 and bearing seat 2 respectively.
The present invention utilizes the complete needle bearing with inner ring to realize the rotation of measuring plate high precision, thereby guarantee bearing bush radius projection is high and the measuring accuracy of the counterpart depth of parallelism, and simple in structure, with low cost, has a extensive future.
Brief description of the drawings
By the following examples and accompanying drawing be further described.
Fig. 1 is the structural representation of the measuring head that can simultaneously measure bearing bush radius projection height and the counterpart depth of parallelism of the present invention.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the left view of Fig. 1.
Fig. 4 is A-A, B-B, the C-C cut-open view of Fig. 1.
Fig. 5 is the work schematic diagram of the measuring head that can simultaneously measure bearing bush radius projection height and the counterpart depth of parallelism of the present invention.
Fig. 6 is the vertical view of Fig. 5.
Fig. 7 is the schematic diagram of the measuring head measurement standard watt-hour that can simultaneously measure bearing bush radius projection height and the counterpart depth of parallelism of the present invention.
Fig. 8 is the vertical view of Fig. 7.
Fig. 9 is the schematic diagram that the measuring head that can simultaneously measure bearing bush radius projection height and the counterpart depth of parallelism of the present invention is measured tested watt-hour.
Figure 10 is the vertical view of Fig. 9.
In figure, 1. measuring head installing plate, 2. bearing seat, 3. the first screw, 4. depth of parallelism sensor stand, 5. depth of parallelism sensor, 6. the second screw, 7. needle bearing, 8. rotation axis, the 9. high sensor stand of radius, 10. the 3rd screw, 11. measure board mount, the high sensor of 12. radius, 13. measure plate, 14. the 4th screws, 15. extension springs, 16. the 5th screws, 17. the 6th screws, 18. the 7th screws, 19. inspection moulds, 20. tested bearing shells, 21. standard bearings.
Embodiment
In embodiment shown in Fig. 1～4, can be around the central rotation of needle bearing 7 with the measurement plate 13 that rotation axis 8 connects firmly by measurement board mount 11 and the second screw 6.The effect of needle bearing 7 is to ensure to measure the precision that plate 13 rotates.The high sensor 12 of radius and depth of parallelism sensor 5 are respectively used to measure radius height and the counterpart depth of parallelism of bearing shell.Extension spring 15 is measured plate 13 in plumbness for ensureing while measurement.As shown in Figure 5 and Figure 6, while adopting the present invention to measure, first select and fix the inspection mould 19 mating with tested bearing shell, bearing shell is put in inspection mould 19, and its axial midship section is overlapped with the midship section of measuring head.Measuring head presses to bearing shell under the effect of driving force, and measurement plate 13 contacts with watt mouth of bearing shell and with the pressure of regulation, bearing shell is pressed in inspection mould 19 first circular pits.Now, the high sensor 12 of radius contacts with inspection mould 19, the high measuring-signal of output radius.Meanwhile, measure plate 13 along with watt actinal surface is around the central rotation of needle bearing 7.The depth of parallelism sensor 5 contacting with measurement plate 13 is exported the measuring-signal of the depth of parallelism.While adopting comparative method for measuring, first standard bearing 21 is put into inspection mould 19 and compressed bearing shell with the pressure of regulation and measure (as shown in Figure 7 and Figure 8), using the output valve of each sensor as reference value; Again standard bearing 21 is changed into tested bearing shell 20, under identical load, repeat to measure (as shown in Figure 9 and Figure 10), and using the output valve of each sensor as corresponding measured value.Process radius height and the counterpart parallelism error that can obtain respectively tested bearing shell by the measured value to each sensor and corresponding reference value thereof.
Claims (1)
1. can measure a measuring head for bearing bush radius projection height and the counterpart depth of parallelism simultaneously, comprise measuring head installing plate (1), bearing seat (2), depth of parallelism sensor stand (4), depth of parallelism sensor (5), needle bearing (7), rotation axis (8), the high sensor stand of radius (9), measure board mount (11), the high sensor of radius (12), measure plate (13), extension spring (15), screw; Bearing seat (2) connects firmly by the 6th screw (17) and measuring head installing plate (1); Hole close-fitting on the outer ring of needle bearing (7) and bearing seat (2); The inner ring close-fitting of rotation axis (8) and needle bearing (7); Measuring board mount (11) connects firmly by the second screw (6) with rotation axis (8); Measuring plate (13) connects firmly by the 7th screw (18) with measurement board mount (11); Depth of parallelism sensor stand (4) connects firmly by the 5th screw (16) and bearing seat (2); Depth of parallelism sensor (5) inserts in the hole of depth of parallelism sensor stand (4), and is locked by the first screw (3); The high sensor stand of radius (9) connects firmly by the 4th screw (14) and bearing seat (2); The high sensor of radius (12) inserts in the hole of the high sensor stand of radius (9), and by the 3rd screw (10) locking; The two ends of extension spring (15) connect firmly with measurement plate (13) and bearing seat (2) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410279426.5A CN104019781A (en) | 2014-06-17 | 2014-06-17 | Measuring head capable of measuring radius height and contraaperture parallelism of bearing bush at the same time |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410279426.5A CN104019781A (en) | 2014-06-17 | 2014-06-17 | Measuring head capable of measuring radius height and contraaperture parallelism of bearing bush at the same time |
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| Publication Number | Publication Date |
|---|---|
| CN104019781A true CN104019781A (en) | 2014-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410279426.5A Pending CN104019781A (en) | 2014-06-17 | 2014-06-17 | Measuring head capable of measuring radius height and contraaperture parallelism of bearing bush at the same time |
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| Country | Link |
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| CN (1) | CN104019781A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883903A (en) * | 2017-11-08 | 2018-04-06 | 日照裕鑫动力有限公司 | Spinning machine cradle automatic detection device |
| CN110455159A (en) * | 2019-09-05 | 2019-11-15 | 广西玉柴机器股份有限公司 | The measuring device of the crankshaft bearing liner radial height of engine |
| CN113108745A (en) * | 2021-03-29 | 2021-07-13 | 中船重工重庆智能装备工程设计有限公司 | Bearing bush radius height and alignment parallelism detection device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1560611A (en) * | 1974-07-27 | 1980-02-06 | Gkn Group Services Ltd | Bearing measurement |
| CN2088233U (en) * | 1991-04-10 | 1991-11-06 | 铁道部成都机车车辆工厂 | Apparatus for measuring half perimeter and contra-aperture planes parallelness of thin bush |
| RU2082073C1 (en) * | 1991-03-21 | 1997-06-20 | Акционерное общество открытого типа подшипников скольжения | Device for checking parameters of bearing shell |
| CN1488915A (en) * | 2003-08-11 | 2004-04-14 | 中国计量学院 | The mechanical system device of automatic detection and sorting machine for bearing bush thickness |
| CN202204670U (en) * | 2011-08-29 | 2012-04-25 | 机科发展科技股份有限公司 | Multi-parameter automatic detection separator for bearing bush |
| CN202692956U (en) * | 2012-03-19 | 2013-01-23 | 哈尔滨智达测控技术有限公司 | Novel lever type automatic commutation probe |
| CN203929046U (en) * | 2014-06-17 | 2014-11-05 | 中国计量学院 | High and the counterpart measurement of paralleism head of bearing bush radius projection |
-
2014
- 2014-06-17 CN CN201410279426.5A patent/CN104019781A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1560611A (en) * | 1974-07-27 | 1980-02-06 | Gkn Group Services Ltd | Bearing measurement |
| RU2082073C1 (en) * | 1991-03-21 | 1997-06-20 | Акционерное общество открытого типа подшипников скольжения | Device for checking parameters of bearing shell |
| CN2088233U (en) * | 1991-04-10 | 1991-11-06 | 铁道部成都机车车辆工厂 | Apparatus for measuring half perimeter and contra-aperture planes parallelness of thin bush |
| CN1488915A (en) * | 2003-08-11 | 2004-04-14 | 中国计量学院 | The mechanical system device of automatic detection and sorting machine for bearing bush thickness |
| CN202204670U (en) * | 2011-08-29 | 2012-04-25 | 机科发展科技股份有限公司 | Multi-parameter automatic detection separator for bearing bush |
| CN202692956U (en) * | 2012-03-19 | 2013-01-23 | 哈尔滨智达测控技术有限公司 | Novel lever type automatic commutation probe |
| CN203929046U (en) * | 2014-06-17 | 2014-11-05 | 中国计量学院 | High and the counterpart measurement of paralleism head of bearing bush radius projection |
Non-Patent Citations (1)
| Title |
|---|
| 叶茂等: "轴瓦半径高度及对边平行度自动检测系统", 《机电工程》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883903A (en) * | 2017-11-08 | 2018-04-06 | 日照裕鑫动力有限公司 | Spinning machine cradle automatic detection device |
| CN107883903B (en) * | 2017-11-08 | 2023-11-24 | 日照裕鑫动力有限公司 | Automatic detecting device for cradle of spinning machine |
| CN110455159A (en) * | 2019-09-05 | 2019-11-15 | 广西玉柴机器股份有限公司 | The measuring device of the crankshaft bearing liner radial height of engine |
| CN113108745A (en) * | 2021-03-29 | 2021-07-13 | 中船重工重庆智能装备工程设计有限公司 | Bearing bush radius height and alignment parallelism detection device |
| CN113108745B (en) * | 2021-03-29 | 2023-03-10 | 中船重工重庆智能装备工程设计有限公司 | Bearing radius height and counterpart parallelism testing equipment |
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Application publication date: 20140903 |
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