CN217210643U - Bearing inner and outer ring height difference measuring clamp - Google Patents
Bearing inner and outer ring height difference measuring clamp Download PDFInfo
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- CN217210643U CN217210643U CN202120596106.8U CN202120596106U CN217210643U CN 217210643 U CN217210643 U CN 217210643U CN 202120596106 U CN202120596106 U CN 202120596106U CN 217210643 U CN217210643 U CN 217210643U
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- inner ring
- outer ring
- bearing
- ring
- pressing sheet
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Abstract
The utility model relates to a bearing inner and outer ring height difference measuring clamp, which comprises a mandrel, and an inner ring gasket, an inner ring pressing sheet, a nut, an outer ring gland and a screwing mechanism which are sleeved on the mandrel after the bearing inner and outer ring height difference measuring clamp is assembled; the mandrel comprises a base and a mandrel body, the nut and the screwing mechanism are respectively in threaded fit with the mandrel body, after the bearing to be tested is assembled, the bearing to be tested is positioned between the inner ring gasket and the inner ring pressing sheet, and the lower surface of the outer ring gland is contacted with the outer ring of the bearing to be tested; the nut is contacted with the upper surface of the inner ring pressing sheet, and the screwing mechanism is contacted with the upper surface of the outer ring gland; the inner ring pressing sheet is provided with an inner ring measuring groove, and the outer ring gland is provided with an outer ring measuring groove corresponding to the inner ring measuring groove. The utility model discloses the beneficial effect who reaches is: the measurement can be carried out without depending on equipment such as a press machine, a screw jack, a special base and the like, so that the requirement of measurement on the equipment is reduced; the height gauge can be used for direct measurement, and the defect that the precision is influenced by indirect measurement is overcome.
Description
Technical Field
The utility model relates to a bearing measures technical field, especially a bearing inner and outer ring difference in height measurement anchor clamps.
Background
In aviation repair, the situation that the height difference between the inner ring and the outer ring of the bearing needs to be measured is often met. Because the bearing has an axial clearance, in order to ensure the measurement accuracy, the axial clearance must be eliminated first, and then the end faces of the inner ring and the outer ring are measured. In the prior art, a bearing needs to be fixed on a manual press machine or a small-sized press machine, and an inner ring is pressed downwards by a pressure head. And then a screw jack is used for jacking the bearing outer ring from bottom to top, and the height of the end faces of the bearing inner ring and the bearing outer ring is measured.
In the prior art, a base matched with the size of a bearing inner hole is required to be manufactured to support a bearing inner ring, a screw jack is adjusted to jack an outer ring tightly, the preparation work for measurement is complicated, and the efficiency is low.
Meanwhile, the pressure head of the device can cover the measuring surface of the inner ring of the bearing, and the measuring work of the height difference can be completed only by adopting the switching measuring block. The indirect measurement increases the measurement error and affects the measurement precision.
Therefore, the clamp for measuring the height difference of the inner ring and the outer ring of the bearing is designed, the measurement can be carried out without depending on equipment such as a press machine, a screw jack, a special base and the like, and the requirement of measurement on the equipment is reduced; the height gauge can be used for direct measurement, and the defect that the precision is influenced by indirect measurement is overcome.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art, and provides a bearing inner and outer ring height difference measuring clamp, which can perform measuring work without depending on equipment such as a press machine, a screw jack, a special base and the like, thereby reducing the requirement of measuring on the equipment; the height gauge can be used for direct measurement, and the defect that the precision is influenced by indirect measurement is overcome.
The purpose of the utility model is realized through the following technical scheme:
the utility model provides a bearing inner and outer ring difference in height measurement anchor clamps includes:
comprises a mandrel, an inner ring gasket, an inner ring pressing sheet, a nut, an outer ring gland and a screwing mechanism, wherein the inner ring gasket, the inner ring pressing sheet, the nut, the outer ring gland and the screwing mechanism are sleeved on the mandrel after being assembled;
the mandrel comprises a base and a mandrel body, the nut and the screwing mechanism are respectively in threaded fit with the mandrel body, after the bearing to be tested is assembled by the bearing positioning device, the bearing to be tested is positioned between the inner ring gasket and the inner ring pressing sheet, and the lower surface of the outer ring gland is contacted with the outer ring of the bearing to be tested;
the nut is in contact with the upper surface of the inner ring pressing sheet, and when the nut is screwed downwards, the inner ring pressing sheet moves downwards, so that the inner ring of the bearing to be tested is pressed downwards, and the inner ring of the bearing to be tested is clamped by the inner ring gasket and the inner ring pressing sheet;
the screwing mechanism is contacted with the upper surface of the outer ring gland, and when the screwing mechanism is screwed downwards, the outer ring gland moves downwards so as to downwards press the outer ring of the bearing to be tested;
the inner ring preforming seted up the inner ring and measured the groove, the outer loop gland seted up with the inner ring measure the corresponding outer loop in groove and measure the groove. The design of inner ring measuring groove, outer loop measuring groove is convenient for place the tongue and is carried out the altitude measurement.
Further, the screwing mechanism comprises a spring element and a rotating element.
Furthermore, the base is in a circular truncated cone shape, the base comprises a circular boss and a base plate, the radius of the boss is smaller than the radius of the inner ring gasket, the radius of the boss is smaller than the radius of the inner ring of the bearing to be tested, and the height of the boss is larger than the height of the inner ring gasket. The design of boss is convenient for mandrel, inner ring gasket, the quick counterpoint installation of bearing three that awaits measuring, and the boss can prevent that bearing or inner ring gasket that awaits measuring from producing great slip.
Furthermore, the inner ring pressing sheet comprises a clamping ring and a pressing sheet ring, the radius of the outer ring of the clamping ring is smaller than that of the inner ring of the bearing to be detected, and the radius of the outer ring of the pressing sheet ring is larger than that of the inner ring of the bearing to be detected and smaller than that of the outer ring of the inner ring of the bearing to be detected. The design of snap ring is convenient for the quick counterpoint installation of inner ring preforming and bearing that awaits measuring.
Furthermore, an annular extrusion pad is arranged at the bottom of the nut, and the radius of an outer ring of the annular extrusion pad is smaller than that of the pressing sheet ring. The design of the annular extrusion pad can increase the stress area of the inner ring pressing sheet, so that the pressure distribution on the upper surface of the inner ring pressing sheet is more uniform.
The utility model has the advantages of it is following:
(1) the bearing outer ring and the bearing outer ring can be directly pressed through the inner ring pressing sheet and the outer ring pressing sheet, so that the axial clearance of the inner ring and the outer ring is eliminated, the measurement work can be carried out without depending on equipment such as a press machine, a screw jack, a special base and the like, and the requirement of measurement on the equipment is reduced.
(2) Through setting up inner ring measuring groove, outer loop measuring groove, left measuring space, available tongue direct measurement has avoided the drawback that indirect measurement influences the precision.
Drawings
Fig. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic view of the present invention;
FIG. 3 is a schematic view of the structure of the outer ring-removing gland of the present invention;
FIG. 4 is a schematic view of the inner ring pressing sheet of the present invention;
FIG. 5 is a schematic view of the structure of the inner ring gasket of the present invention;
in the figure: 1-mandrel, 2-inner ring gasket, 3-inner ring pressing sheet, 4-nut, 5-outer ring gland, 6-spring part, 7-rotating part, 8-inner ring measuring groove, 9-outer ring measuring groove, 101-shaft body, 102-boss, 103-base plate, 301-snap ring, 302-pressing sheet ring and 401-annular extrusion pad.
Detailed Description
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.
As shown in figures 1-5, a bearing inner and outer ring height difference measuring clamp:
comprises a mandrel 1, an inner ring gasket 2, an inner ring pressing sheet 3, a nut 4, an outer ring gland 5 and a screwing mechanism, wherein the inner ring gasket, the inner ring pressing sheet 3, the nut 4, the outer ring gland and the screwing mechanism are sleeved on the mandrel 1 after the mandrel is assembled; wherein, mandrel 1 includes base and axle body 101, and the base is round platform shape, includes circular shape boss 102 and chassis 103 on the base, and the annular extrusion pad 401 that the nut 4 bottom was equipped with, inner ring preforming 3 have seted up inner ring measuring groove 8, and outer ring gland 5 has seted up outer ring measuring groove 9 corresponding with inner ring measuring groove 8, and nut 4, the mechanism of screwing respectively with axle body 102 screw-thread fit.
Meanwhile, the screwing mechanism comprises a spring member 6 and a rotating member 7.
After the utility model is assembled, the bearing to be tested is positioned between the inner ring gasket 2 and the inner ring pressing sheet 3, the nut 4 is contacted with the upper surface of the inner ring pressing sheet 3, the lower surface of the outer ring gland 5 is contacted with the outer ring of the bearing to be tested, and the screwing mechanism is contacted with the upper surface of the outer ring gland 5; when the nut 4 is screwed downwards, the inner ring pressing sheet 3 moves downwards so as to extrude the inner ring of the bearing to be tested downwards, the inner ring of the bearing to be tested is clamped by the inner ring gasket 2 and the inner ring pressing sheet 3, and when the screwing mechanism is screwed downwards, the outer ring gland 5 moves downwards so as to press the outer ring of the bearing to be tested downwards.
During assembly, the inner ring gasket 2 is sleeved on the boss 102, the radius of the boss 102 is smaller than that of the inner ring gasket 2, the radius of the boss 102 is smaller than that of the inner ring of the bearing to be tested, and the height of the boss 102 is larger than that of the inner ring gasket 2, so that the design of the boss 102 is convenient for the rapid alignment installation of the mandrel 1, the inner ring gasket 2 and the bearing to be tested, and the boss 102 can prevent the bearing to be tested or the inner ring gasket 2 from sliding greatly, meanwhile, the outer ring radius of the clamp ring 301 on the inner ring pressing sheet 3 is smaller than that of the inner ring of the bearing to be tested, the outer ring radius of the pressing sheet ring 302 on the inner ring pressing sheet 3 is larger than that of the inner ring of the bearing to be tested and smaller than that of the inner ring outer ring of the bearing to be tested, and thus the design of the clamp ring 301 is convenient for the rapid alignment installation of the inner ring pressing sheet 3.
During measurement, the nut 4 is screwed downwards, and the inner ring pressing sheet 3 presses the upper end surface of the inner ring of the bearing to be measured from top to bottom; the outer ring gland 5 contacts with the outer ring of the bearing to be tested, and the rotating part 7 is rotated downwards, so that the spring part 6 is compressed, and the effects of downwards pressing the outer ring of the bearing to be tested and upwards pulling the inner ring of the bearing to be tested are achieved. And finally, the height gauge can be used for measuring the height difference of the inner ring and the outer ring of the bearing to be measured by hitting the inner ring measuring surface and the outer ring measuring surface from the inner ring measuring groove 8 and the outer ring measuring groove 9.
Meanwhile, in the scheme, when the nut 4 is screwed downwards, the design of the annular extrusion pad 401 arranged at the bottom of the nut 4 can increase the stress area of the inner ring pressing sheet 3, so that the pressure distribution on the upper surface of the inner ring pressing sheet 3 is more uniform.
A concrete measurement mode applying the scheme is as follows:
firstly, sequentially sleeving an inner ring gasket 2, a bearing to be tested, an inner ring pressing sheet 3 and a nut 4 on a mandrel 1, and screwing the nut 4 downwards to enable the inner ring pressing sheet 3 to tightly press the upper end face of the inner ring of the bearing to be tested from top to bottom; then, sequentially sleeving an outer ring gland 5, a spring part 6 and a rotating part 7 on the mandrel 1, aligning an inner ring measuring groove 8 with an outer ring measuring groove 9, and rotating the rotating part 7 to enable the outer ring gland 5 to downwards compress an outer ring of the bearing to be tested; and finally, the height gauge is used for measuring the inner ring measuring surface and the outer ring measuring surface through the inner ring measuring groove 8 and the outer ring measuring groove 9, wherein the inner ring measuring surface is the upper end surface of the inner ring of the bearing to be measured, the outer ring measuring surface is the upper surface of the shaft shoulder of the bearing to be measured, the height difference H between the inner ring measuring surface and the outer ring measuring surface is obtained, then the height gauge is used for measuring the upper end surface of the outer ring of the bearing to be measured and the upper surface of the shaft shoulder of the bearing to be measured to obtain the height H, and the H and the H are subtracted from each other, so that the height difference of the inner ring and the outer ring of the bearing to be measured, namely the axial gap of the inner ring and the outer ring of the bearing to be measured is obtained.
It should be noted that the drawings of the present disclosure are only schematic structural diagrams, and all structural changes that do not depart from the idea of the present disclosure are within the scope of the present disclosure.
Claims (5)
1. The utility model provides a bearing inner and outer ring difference in height measurement anchor clamps which characterized in that:
comprises a mandrel (1), an inner ring gasket (2), an inner ring pressing sheet (3), a nut (4), an outer ring gland (5) and a screwing mechanism, wherein the inner ring gasket, the inner ring pressing sheet (3), the nut (4), the outer ring gland and the screwing mechanism are sleeved on the mandrel (1) after being assembled;
the mandrel (1) comprises a base and a shaft body (101), the nut (4) and the screwing mechanism are respectively in threaded fit with the shaft body (101), a bearing to be tested is arranged between the inner ring gasket (2) and the inner ring pressing sheet (3) after assembly, and the lower surface of the outer ring gland (5) is in contact with the outer ring of the bearing to be tested;
the nut (4) is in contact with the upper surface of the inner ring pressing sheet (3), and when the nut (4) is screwed downwards, the inner ring pressing sheet (3) moves downwards, so that the inner ring of the bearing to be tested is pressed downwards, and the inner ring of the bearing to be tested is clamped by the inner ring gasket (2) and the inner ring pressing sheet (3);
the screwing mechanism is contacted with the upper surface of the outer ring gland (5), and when the screwing mechanism is screwed downwards, the outer ring gland (5) moves downwards so as to downwards press the outer ring of the bearing to be tested;
the inner ring pressing plate (3) is provided with an inner ring measuring groove (8), and the outer ring gland (5) is provided with an outer ring measuring groove (9) corresponding to the inner ring measuring groove (8).
2. The clamp for measuring the height difference of the inner ring and the outer ring of the bearing according to claim 1, characterized in that: the screwing mechanism comprises a spring piece (6) and a rotating piece (7).
3. The bearing inner and outer ring height difference measuring clamp of claim 2, wherein: the base is in a circular truncated cone shape and comprises a circular boss (102) and a chassis (103), the radius of the boss (102) is smaller than the inner ring radius of the inner ring gasket (2), the radius of the boss (102) is smaller than the inner ring radius of the bearing to be tested, and the height of the boss (102) is larger than that of the inner ring gasket (2).
4. The bearing inner and outer ring height difference measuring clamp of claim 3, wherein: the inner ring pressing sheet (3) comprises a clamping ring (301) and a pressing sheet ring (302), the radius of the outer ring of the clamping ring (301) is smaller than that of the inner ring of the bearing to be tested, and the radius of the outer ring of the pressing sheet ring (302) is larger than that of the inner ring of the bearing to be tested and smaller than that of the outer ring of the bearing to be tested.
5. The bearing inner and outer ring height difference measuring clamp of claim 4, wherein: the bottom of the nut (4) is provided with an annular extrusion pad (401), and the outer ring radius of the annular extrusion pad (401) is smaller than that of the pressure plate ring (302).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120596106.8U CN217210643U (en) | 2021-03-24 | 2021-03-24 | Bearing inner and outer ring height difference measuring clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120596106.8U CN217210643U (en) | 2021-03-24 | 2021-03-24 | Bearing inner and outer ring height difference measuring clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217210643U true CN217210643U (en) | 2022-08-16 |
Family
ID=82752060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120596106.8U Active CN217210643U (en) | 2021-03-24 | 2021-03-24 | Bearing inner and outer ring height difference measuring clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217210643U (en) |
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2021
- 2021-03-24 CN CN202120596106.8U patent/CN217210643U/en active Active
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