CN203929046U - High and the counterpart measurement of paralleism head of bearing bush radius projection - Google Patents
High and the counterpart measurement of paralleism head of bearing bush radius projection Download PDFInfo
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- CN203929046U CN203929046U CN201420332881.2U CN201420332881U CN203929046U CN 203929046 U CN203929046 U CN 203929046U CN 201420332881 U CN201420332881 U CN 201420332881U CN 203929046 U CN203929046 U CN 203929046U
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- radius
- bearing
- parallelism
- depth
- plate
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Abstract
The utility model relates to the high and counterpart measurement of paralleism head of a kind of bearing bush radius projection, comprises measuring head installing plate, bearing seat, depth of parallelism sensor stand, depth of parallelism sensor, needle bearing, rotation axis, the high sensor stand of radius, measures board mount, the high sensor of radius, measures plate, extension spring, screw.Can be around the central rotation of needle bearing by measuring the measurement plate that board mount and the second screw and rotation axis connect firmly.Needle bearing is for guaranteeing to measure the precision that plate rotates.The high sensor of radius and depth of parallelism sensor are respectively used to measure radius height and the counterpart parallelism error of bearing shell.When not measuring for assurance, extension spring do not measure plate in plumbness.The utility model utilizes the complete needle bearing with inner ring to realize the rotation of measuring plate high precision, thereby guarantees the precision of measurement, and simple in structure, with low cost, has a extensive future.
Description
Technical field
The utility model relates to a kind of measurement mechanism, the high and counterpart measurement of paralleism head of especially a kind of bearing bush radius projection.
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 the radial height of bearing shell and the counterpart depth of parallelism 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 one of parts of most critical.By research, find, import equipment all adopts bilateral Loading Method, adopts two independently can, with a watt measuring head for mouth Plane Rotation, carry out the measurement of radius height and the counterpart depth of parallelism 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 purpose of this utility model is to provide the high and counterpart measurement of paralleism head of a kind of bearing bush radius projection, the high and counterpart depth of parallelism of the radius that can be used for adopting monolateral or bilateral load mode to measure bearing shell, and rotation precision is high, simple in structure, with low cost.The purpose of this utility model is achieved through the following technical solutions:
High and the counterpart measurement of paralleism head of the bearing bush radius projection that the utility model proposes, 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 by the first screw 3 lockings.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 by the 3rd screw 10 lockings.The two ends of extension spring 15 connect firmly with measurement plate 13 and bearing seat 2 respectively.
The utility model utilizes the complete needle bearing with inner ring to realize the rotation of measuring plate high precision, thereby assurance 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.
Accompanying drawing explanation
By the following examples and accompanying drawing be further described.
Fig. 1 is the structural representation of the high and counterpart measurement of paralleism head of bearing bush radius projection described in the utility model.
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 high and counterpart measurement of paralleism head of bearing bush radius projection described in the utility model.
Fig. 6 is the vertical view of Fig. 5.
Fig. 7 is the schematic diagram of the high and counterpart measurement of paralleism measurement standard watt-hour of bearing bush radius projection described in the utility model.
Fig. 8 is the vertical view of Fig. 7.
Fig. 9 is the schematic diagram that the high and counterpart measurement of paralleism head of bearing bush radius projection described in the utility model 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 mounts, 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. check 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 guarantee 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.When not measuring for assurance, extension spring 15 do not measure plate 13 in plumbness.As shown in Figure 5 and Figure 6, while adopting the utility model to measure, first select and fix the check mould 19 mating with tested bearing shell, bearing shell is put in check 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 stipulating, bearing shell is pressed in check mould 19 first circular pits.Now, the high sensor 12 of radius contacts with check mould 19, the high measuring-signal of output radius.Meanwhile, measure plate 13 along with the central rotation of watt actinal surface around needle bearing 7.The measuring-signal of the depth of parallelism sensor 5 output depth of parallelisms that contact with measurement plate 13.While adopting comparative method for measuring, first standard bearing 21 is put into check mould 19 and measured (as shown in Figure 7 and Figure 8) with the pressure compression bearing shell of regulation, 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.By the measured value of each sensor and corresponding reference value thereof are processed to radius height and the counterpart parallelism error that can obtain respectively tested bearing shell.
Claims (1)
1. the high and counterpart measurement of paralleism head of bearing bush radius projection, 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 of radius (9), measures board mount (11), the high sensor of radius (12), measures 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 |
|---|---|---|---|
| CN201420332881.2U CN203929046U (en) | 2014-06-17 | 2014-06-17 | High and the counterpart measurement of paralleism head of bearing bush radius projection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420332881.2U CN203929046U (en) | 2014-06-17 | 2014-06-17 | High and the counterpart measurement of paralleism head of bearing bush radius projection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203929046U true CN203929046U (en) | 2014-11-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420332881.2U Expired - Fee Related CN203929046U (en) | 2014-06-17 | 2014-06-17 | High and the counterpart measurement of paralleism head of bearing bush radius projection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203929046U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019781A (en) * | 2014-06-17 | 2014-09-03 | 中国计量学院 | Measuring head capable of measuring radius height and contraaperture parallelism of bearing bush at the same time |
-
2014
- 2014-06-17 CN CN201420332881.2U patent/CN203929046U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019781A (en) * | 2014-06-17 | 2014-09-03 | 中国计量学院 | Measuring head capable of measuring radius height and contraaperture parallelism of bearing bush at the same time |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 Termination date: 20160617 |