CN202994025U - Device used for measuring central axial position of bearing rolling way - Google Patents
Device used for measuring central axial position of bearing rolling way Download PDFInfo
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- CN202994025U CN202994025U CN 201220680707 CN201220680707U CN202994025U CN 202994025 U CN202994025 U CN 202994025U CN 201220680707 CN201220680707 CN 201220680707 CN 201220680707 U CN201220680707 U CN 201220680707U CN 202994025 U CN202994025 U CN 202994025U
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Abstract
The utility model discloses a device used for measuring a central axial position of a bearing rolling way and belongs to a bearing rolling way measuring device. The device comprises a main ruler, and a reference vernier and a measuring vernier which are arranged on the main ruler, wherein both the reference vernier and the measuring vernier can move along the main ruler forth and back, upper portions of the reference vernier and the measuring vernier are respectively provided with a locking part used for fixing the reference vernier and the measuring vernier on the main ruler, a lower end of the reference vernier is provided with a reference pin, a lower end of the measuring vernier is fixedly mounted with a measuring ring of which at least a lower portion is a circular arc face, a radial direction of the measuring ring and the reference pin are at a same side, the measuring ring contacts with the reference pin, and an end face of the reference pin which contacts with the measuring ring is perpendicular to the main ruler. By utilizing characteristics of a circular central position, a structure of which a zero position can be adjusted is established, so dimensions of the central axial position of the bearing rolling way can be directly read, and a measuring speed is fast, and bearing workpieces of different dimensions can be measured by replacing measuring rings of different radius dimensions. The device has a small volume, can be applied to mass industrialization production and is easy to realize popularization.
Description
Technical field
The utility model relates to a kind of raceway measurement mechanism, and in particular, the utility model relates generally to a kind of for the device of raceway central shaft to position measurement.
Background technology
be peach-shaped for the bearing upper section at present, the measurement of the raceway center size of v-shaped structure, existing multiple measurement scheme is promoted the use, wherein comparatively the metering system of main flow comprises employing position model measurement, the employing contourgraph is measured, adopt three-dimensional coordinates measurement and adopt ditch position measuring instrument measurement etc., though aforementioned manner can directly or indirectly be measured the central shaft of raceway to position dimension, but all there is in actual use in various degree the drawback with type, for example the mode of position model measurement can not be carried out quantitative measurment, be unfavorable for adjusting the machining state of bearing component, contourgraph is measured have relatively high expectations (namely when measuring, vibration can not be arranged) to environment, and it is low to measure efficient, is unfavorable for on-the-spot the use, and the metering system of three-dimensional needs that the bearing component of preparing to measure is delivered to special-purpose three-dimensional sensing chamber and measures, and measuring speed is slow, and efficient is low, also is unfavorable for on-the-spot the use, although and the more aforesaid three kinds of modes of aforesaid ditch position measuring instrument increase on the speed of measuring, but the instrument volume is larger, can not move in real time, and the price of this kind equipment is higher, increase use cost, and when the bearing component of a large amount of different sizes need to be measured, its measuring speed still can not satisfy actual measurement demand, and the measurement universality for the measured bearing workpiece size is also not enough, therefore based on the existing deficiency of aforementioned prior art centre bearer raceway center position measurement mode, be necessary to do further improvement.
The utility model content
One of the purpose of this utility model is for above-mentioned deficiency, provide a kind of for the device of raceway central shaft to position measurement, solving prior art centre bearer raceway central shaft with expectation, to measure efficient to position dimension lower, and the equipment use cost is high, and be unfavorable for the technical matters such as on-the-spot use
For solving above-mentioned technical matters, the utility model by the following technical solutions:
It is a kind of for the device of raceway central shaft to position measurement that the utility model provides on the one hand, described device comprise main scale and be arranged on main scale the benchmark vernier with measure vernier, described benchmark vernier with measure vernier and all can come and go along main scale mobile; Be equipped with for locking member fixing on main scale above described benchmark vernier and measurement vernier, and benchmark vernier lower end is provided with the benchmark card base, measure the vernier lower end and be mounted with the measurement ring that bottom at least is arc surface, described measurement ring radially with the benchmark card base on the same straight line, and can contact with the benchmark card base, described benchmark card base is perpendicular with the measurement contacted end face of ring and main scale; Be equipped with scale on described measurement vernier, benchmark vernier and main scale.
As preferably, further technical scheme is: the radian of described measurement ring bottom arc surface is greater than 180 degree, and be arranged on the measurement card base of measuring the vernier lower end take the circle centre position of arc surface as point of fixity, and the 0 scale mark position of measuring on vernier is corresponding with the circle centre position of arc surface; Any point at described measurement ring arc surface edge all equates to the distance of point of fixity.
Further technical scheme is: 0 scale position on described measurement vernier and the center of circle of measuring the ring arc surface are on same and the perpendicular vertical straight line of main scale.Be about to measure the center of circle that 0 scale mark position on vernier is set to measure the ring arc surface.
Further technical scheme is: described measurement ring is arranged on the measurement card base of measuring the vernier lower end by screw, nut and packing ring.
Further technical scheme is: the axial cross section lower end of described measurement ring is provided with an inclined-plane.
Further technical scheme is: described benchmark vernier is provided with the benchmark card base with the measurement vernier and is equipped with adjusting gear with the other end of measuring ring, is used at the benchmark vernier and measures the laggard line displacement fine setting of vernier locking.
Further technical scheme is: the scale on described main scale is for after determining 0 scale mark position, extends to the two ends of 0 scale mark position respectively with the scale division value that equates.
The utility model also provides a kind of above-mentioned raceway central shaft that is used for to the measuring method of the device of position measurement on the other hand, it is characterized in that described measuring method comprises the steps:
Steps A, the scale that will measure on vernier align with the reference graduation value on main scale according to the real radius value that its lower end installs and measures the ring arc surface, and lock by locking member and measure vernier;
Step B, moving reference vernier, and the benchmark card base of its lower end is contacted with measuring ring, then lock the benchmark vernier by locking member;
Step C, unclamp the locking member measured on vernier and move towards the other end of main scale, with on the benchmark card base with the lateral surface that end face is adjacent to bearing component that contacts of measuring ring;
Step D, will measure near the raceway that vernier moves to bearing component, the measurement ring arc surface that its lower end is installed contacts with the both sides of described raceway simultaneously, measure the distance of the reference graduation position on assigned scale positional distance main scale on vernier this moment, be the physical size of bearing component raceway center axial location.
As preferably, further technical scheme is: the scale that will measure in described steps A on vernier according to measuring the mode that the real radius value of encircling arc surface aligns with the reference graduation value on main scale is, make and measure the distance that vernier moves to 0 scale mark position to the main scale, its 0 scale mark position, equate with the real radius value of measuring the ring arc surface.
Further technical scheme is: in described steps A and step C, locking is measured vernier and benchmark vernier after locking, also by adjusting gear to it locked position on main scale finely tune; The assigned scale position of measuring in described step D on vernier is 0 scale mark, and the reference graduation position on main scale is also 0 scale mark; The physical size of described bearing component raceway center axial location is for measuring the distance of 0 scale mark position to the main scale, 0 scale mark position on vernier, add and measure on vernier on complete corresponding main scale the wherein scale mark of a scale mark, multiply by value sum after the minimum precision of measurement mechanism with the distance of its 0 scale mark position.
Compared with prior art, one of the beneficial effects of the utility model are: measure ring by arranging in the lower end of measuring vernier, and with the center of circle of measuring the ring arc surface as it at the point of fixity of measuring on card base, utilize the circular central position characteristic, set up the tactic pattern of capable of regulating zero-bit, make when measuring loop contacts raceway inside, can directly read the central shaft of raceway to position dimension, measuring speed is very fast, and easy to use, namely can be used for measuring the bearing component raceway of different size by the measurement ring of changing the different radii size; Simultaneously provided by the utility model a kind of simple to the apparatus structure of position measurement for the raceway central shaft, small volume is suitable for using in the production scene of bearing component, and can carries out industrial-scale production, is easy to promote.
Description of drawings
Fig. 1 is for being used for the structural representation of an embodiment of explanation the utility model;
Fig. 2 measures annulate shaft to the cross-sectional structure schematic diagram for being used for another embodiment of explanation the utility model;
Fig. 3 uses the status architecture schematic diagram for being used for explanation the utility model embodiment first;
Fig. 4 uses the status architecture schematic diagram for being used for explanation the utility model embodiment second;
In figure, 1 is that main scale, 2 for measure card base, 4 for locking member, 42 for benchmark card base, 5 for screw, 6 for nut, 7 for packing ring, 8 is adjusting gear for measuring ring, 311 for inclined-plane, 32 for measuring vernier, 31 for benchmark vernier, 3.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further elaborated.
With reference to shown in Figure 1, an embodiment of the present utility model is a kind of for the device of raceway central shaft to position measurement, this device comprise main scale 1 and be arranged on main scale 1 benchmark vernier 2 with measure vernier 3, described benchmark vernier 2 with measure vernier 3 and all can come and go mobile along main scale 1; Be equipped with for locking member 4 fixing on main scale 1 at benchmark vernier 2 and above measuring vernier 3 simultaneously, and also be provided with benchmark card base 41 in benchmark vernier 2 lower ends, measure vernier 3 lower ends be mounted with one at least the bottom be the measurement ring 31 of arc surface, this measures ring 31 radially can be with benchmark card base 41 on the same straight line, and can contact with benchmark card base 41, described benchmark card base 41 is perpendicular with measurement ring 31 contacted end faces and main scale 1; Be equipped with scale on described measurement vernier 3, benchmark vernier 2 and main scale 1, and this scale preferably scale division value be set to equate.In the present embodiment, aforesaid measurement ring 31 can adopt conventional fixed form to be arranged on to measure vernier 3 belows, for example is arranged on the measurement card base 32 of measuring vernier 3 lower ends by screw 5, nut 6 and packing ring 7.
And with vernier caliper difference of the prior art be, scale on above-mentioned main scale 1 is after determining 0 scale mark position, extend to the two ends of 0 scale mark position respectively with the scale division value that equates, namely the front and back of 0 scale mark position are equipped with the identical scale of scale division value, when facilitating it to be used to measure raceway center axial dimension on bearing component, adapt to the benchmark vernier 2 that all is active state and measure vernier 3.
Still with reference to shown in Figure 1, be used at the utility model the embodiment that the technical solution problem is more preferably, preferably the radian with above-mentioned measurement ring 31 bottom arc surfaces is made as greater than 180 degree, and be arranged on the measurement card base 32 of measuring vernier 3 lower ends take the circle centre position of arc surface as point of fixity, and the 0 scale mark position of measuring on vernier 3 is corresponding with the circle centre position of arc surface; Any point at described measurement ring 31 arc surface edges all equates to the distance of point of fixity.Aforementioned preferred structure, can utilize preferably the center characteristic in the center of circle, the dimensional data that it is shown when contacting with the bearing component raceway is more accurate, reduce error, need to prove simultaneously, 0 scale mark position on aforementioned measurement vernier 3 is corresponding with the circle centre position of arc surface should be understood between them bias free in theory.
And on the basis of above-described embodiment, for further reducing the error that the raceway central shaft is measured to position dimension, also the center of circle of 0 scale mark position on above-mentioned measurement vernier 3 and measurement ring 31 arc surfaces can be arranged on the perpendicular vertical straight line of same and main scale 1.but the inventor finds in experimentation, this kind mounting means implements and has certain difficulty, even if but the center of circle of measuring ring 31 arc surfaces with measure 0 scale mark position on vernier 3 not on the same straight line, before them, distance also will become the constant error value of measurement mechanism, namely measure 0 scale mark position on vernier 3 for setting the center of circle, the real data of measuring is deducted aforementioned constant error value obtain the physical size data, therefore aforementioned is only another preferred embodiment of the present utility model, be not to realize the necessary technical characterictic of the utility model.
And 0 scale mark of measuring vernier is set to measure the center of circle of ring, this is core of the present utility model, in actual production and using, can get rid of in theory the alignment error of measuring ring, also can get rid of the mismachining tolerance that does not overlap because measuring ring center of arc and mounting center, even if therefore do not consider above-mentioned constant error value, do not affect use in essence measured.
In conjunction with above-mentioned a plurality of embodiment, with reference to shown in Figure 2, be convenient to observe in order to measure, can narrow down measuring the surface of contact of ring 31 with raceway, fairly simple mode is for directly setting up an inclined-plane 311 in the axial cross section lower end of measuring ring 31.Simultaneously, in order to improve the serviceable life of measuring ring, improve machining precision, the hardness requirement of measuring ring is not less than 60HRC.
According to another embodiment of the present utility model, utility model is also with reference to the structure of vernier caliper in prior art, measurement mechanism in above-described embodiment has been done following improvement, be specially benchmark vernier 2 with measure vernier 3 and be provided with benchmark card base 41 and be equipped with adjusting gear 8 with the other end of measuring ring 31, be used for finely tuning with measuring the vernier 3 laggard line displacements of locking at benchmark vernier 2, with the Reduce measurement error value.And adjusting gear 8 in the present embodiment and the locking member in above-described embodiment, use comparatively generally in similar measurer in the prior art, parts such as lock-screw, fine-tuning nut all can be realized technique effect desired in the utility model embodiment.
Another embodiment of the present utility model is a kind of above-mentioned for the measuring method of raceway central shaft to the device of position measurement, and this measuring method comprises, and preferably operates in accordance with the following steps:
Steps A, with reference to shown in Figure 3, the scale of measuring on vernier 3 is alignd with the reference graduation value on main scale 1 according to the real radius value that its lower end installs and measures ring 31 arc surfaces, and by locking member 4 locking measurement verniers 3;
Step B, moving reference vernier 2, and the benchmark card base 41 of its lower end is contacted with measuring ring 31, then by locking member 4 locking benchmark verniers 2;
Step C, with reference to shown in Figure 4, unclamp the locking member 4 measured on vernier 3 and move towards the other end of main scale 1, with on benchmark card base 41 with the lateral surface that end face is adjacent to bearing component that contacts of measuring ring 31;
Step D, will measure near the raceway that vernier 3 moves to bearing component, measurement ring 31 arc surfaces that its lower end is installed contact with the both sides of described raceway simultaneously, measure the distance of the reference graduation position on assigned scale positional distance main scale 1 on vernier 3 this moment, be the physical size of bearing component raceway center axial location.
The utility model is used for the technical solution problem, an embodiment who is more preferably is: the scale that will measure in steps A on vernier 3 is preferably according to the real radius value of the measuring ring 31 arc surfaces mode that adopts of aliging with the reference graduation value on main scale 1, make and measure the distance that vernier 3 moves to 0 scale mark position to the main scale 1, its 0 scale mark position, equate with the real radius value of measuring ring 31 arc surfaces.
And in the above-described embodiments on the basis of method, the problem that may occur according to in-site measurement, the preferred mode of operation that also can carry out is, after vernier 3 and 2 lockings of benchmark vernier are measured in locking in steps A and step C, also can finely tune its locked position on main scale 1 by adjusting gear 8, with the accuracy of further raising measurement.
and in actual applications can be directly be 0 scale mark with the assigned scale position measured in above-mentioned steps D on vernier 3, be also 0 scale mark with the reference graduation position on main scale 1, the mode that the physical size of while bearing component raceway center axial location is read is, measure on vernier 3 distance of 0 scale mark position to the main scale 1,0 scale mark position, add and measure on vernier 3 on complete corresponding main scale 1 the wherein scale mark of a scale mark, multiply by value sum after the minimum precision of measurement mechanism with the distance of its 0 scale mark position, the distance (X) of for example measuring 0 scale mark position to the main scale 1,0 scale mark position on vernier 3 is 30 millimeters, and measure on vernier 3 with main scale 1 on a scale mark range observation vernier 3 overlapping fully the distance (Y) of 0 scale mark position be 12 millimeters, so it be multiply by the minimum precision of slide calliper rule, if minimum precision is 0.02 millimeter, the physical size value (L) of measured bearing workpiece raceway center axial location is 30.24 millimeters, as there is above-mentioned constant error value (Z) in the measurement mechanism that uses, the mode calculated of aforementioned physical size value (L) should for:
L=(X+Y×0.02)-Z
And in the above-mentioned reading mode of the utility model and prior art, vernier caliper is substantially similar, specifically can be with reference to the reading mode of vernier caliper.
With reference to shown in Figure 1, in conjunction with the above embodiments, the utility model design concept is again: on vernier caliper, design two movably card bases, wherein benchmark card base 41 is used for the location, measures to be fixed with on card base 32 and measures ring 31, is used for measuring.When vernier graduation arranges, 0 scale mark is arranged on the position of taking back, and the left and right of 0 scale mark there is scale, the scale method of groove and common calliper (precision 0.02) are identical.Utilize the center characteristic in the center of circle, set up the tactic pattern of capable of regulating zero-bit.When we adjusted to radius of a circle numerical value to the 0 scale mark position of measuring card base 32 with the distance of main scale 0 scale mark, the position at the left cut line place of justifying can be considered 0 point in the center of circle.With the arbitrary scale value of measuring card base and moving to right, be considered as the distance in the center of circle to 0.Pass through aforementioned principles, can complete the measurement of all kinds of special-shaped raceways such as bearing component raceway peach-shaped, V-arrangement, and can directly read numerical value, need not complicated the conversion, measuring speed is fast, and the instrument volume is little, and operation more for convenience, and the survey instrument cost is lower, and then aforementioned raceway central shaft is also reduced greatly to the cost of position measurement.
Except above-mentioned, also need to prove " embodiment ", " another embodiment " that speak of in this manual, " embodiment " etc., refer to specific features, structure or the characteristics described in conjunction with this embodiment and be included at least one embodiment that the application's generality describes.A plurality of local appearance statement of the same race is not necessarily to refer to same embodiment in instructions.Furthermore, when describing a specific features, structure or characteristics in conjunction with arbitrary embodiment, what advocate is to realize that in conjunction with other embodiment this feature, structure or characteristics also drop in scope of the present utility model.
Although with reference to a plurality of explanatory embodiment of the present utility model, the utility model is described here, but, should be appreciated that, the technician in this area or other field can design a lot of other modification and embodiments, and these are revised and within embodiment will drop on the disclosed principle scope and spirit of the application.More particularly, in the scope of, accompanying drawing open in the application and claim, can carry out multiple modification and improvement to building block and/or the layout of subject combination layout.Except modification that building block and/or layout are carried out with improving, for the technician in this area or other field, other purposes will be also obvious.
Claims (7)
1. one kind is used for the raceway central shaft to the device of position measurement, it is characterized in that: described device comprise main scale (1) and be arranged on main scale (1) benchmark vernier (2) with measure vernier (3), described benchmark vernier (2) with measure vernier (3) and all can come and go along main scale (1) mobile; Be equipped with the locking member (4) of upward fixing at main scale (1) above described benchmark vernier (2) and measurement vernier (3), and benchmark vernier (2) lower end is provided with benchmark card base (21), measure vernier (3) lower end and be mounted with the measurement ring (31) that bottom at least is arc surface, described measurement ring (31) radially with benchmark card base (21) on the same straight line, and can contact with benchmark card base (21), described benchmark card base (21) is perpendicular with measurement ring (31) contacted end face and main scale (1); Be equipped with scale on described measurement vernier (3), benchmark vernier (2) and main scale (1).
2. according to claim 1 for the device of raceway central shaft to position measurement, it is characterized in that: the radian of described measurement ring (31) bottom arc surface is greater than 180 degree, and be arranged on the measurement card base (32) of measuring vernier (3) lower end take the circle centre position of arc surface as point of fixity, and the 0 scale mark position of measuring on vernier (3) is corresponding with the circle centre position of arc surface; Any point at described measurement ring (31) arc surface edge all equates to the distance of point of fixity.
3. according to claim 2 for the device of raceway central shaft to position measurement, it is characterized in that: 0 scale position on described measurement vernier (3) and the center of circle of measuring ring (31) arc surface are on same and the perpendicular vertical straight line of main scale (1).
4. according to claim 2 for the device of raceway central shaft to position measurement, it is characterized in that: described measurement ring (31) is arranged on the measurement card base (32) of measuring vernier (3) lower end by screw (5), nut (6) and packing ring (7).
5. according to claim 1 for the device of raceway central shaft to position measurement, it is characterized in that: the axial cross section lower end of described measurement ring (31) is provided with an inclined-plane (311).
6. according to claim 1 for the device of raceway central shaft to position measurement, it is characterized in that: described benchmark vernier (2) is provided with benchmark card base (21) with measurement vernier (3) and is equipped with adjusting gear (8) with the other end of measuring ring (31), is used at benchmark vernier (2) and measures the laggard line displacement fine setting of vernier (3) locking.
7. according to claim 1 for the device of raceway central shaft to position measurement, it is characterized in that: the scale on described main scale (1) is for after determining 0 scale mark position, extends to the two ends of 0 scale mark position respectively with the scale division value that equates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220680707 CN202994025U (en) | 2012-12-11 | 2012-12-11 | Device used for measuring central axial position of bearing rolling way |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220680707 CN202994025U (en) | 2012-12-11 | 2012-12-11 | Device used for measuring central axial position of bearing rolling way |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202994025U true CN202994025U (en) | 2013-06-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220680707 Expired - Lifetime CN202994025U (en) | 2012-12-11 | 2012-12-11 | Device used for measuring central axial position of bearing rolling way |
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| Country | Link |
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| CN (1) | CN202994025U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103033107A (en) * | 2012-12-11 | 2013-04-10 | 成都天马铁路轴承有限公司 | Device used for ball track center axial position measuring and measuring method thereof |
-
2012
- 2012-12-11 CN CN 201220680707 patent/CN202994025U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103033107A (en) * | 2012-12-11 | 2013-04-10 | 成都天马铁路轴承有限公司 | Device used for ball track center axial position measuring and measuring method thereof |
| CN103033107B (en) * | 2012-12-11 | 2016-08-03 | 成都天马铁路轴承有限公司 | Device and measuring method thereof for the central axial position measurement of raceway |
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Granted publication date: 20130612 |
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| CX01 | Expiry of patent term |