CN105865395A - Axial clearance measuring method for large-sized bearing - Google Patents
Axial clearance measuring method for large-sized bearing Download PDFInfo
- Publication number
- CN105865395A CN105865395A CN201610437952.9A CN201610437952A CN105865395A CN 105865395 A CN105865395 A CN 105865395A CN 201610437952 A CN201610437952 A CN 201610437952A CN 105865395 A CN105865395 A CN 105865395A
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- China
- Prior art keywords
- bearing
- outer ring
- inner race
- face
- ring
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/16—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring distance of clearance between spaced objects
Abstract
The invention discloses an axial clearance measuring method for a large-sized bearing, and aims to solve the problem of lack of a sized axial clearance detection instrument for a bearing of which the outer diameter is between phi300mm and phi700mm in the prior art. The method comprises the following steps: I, preparing tools; II, measuring the nominal size deviation of a bearing outer ring and the nominal size deviation of a bearing inner ring; III, measuring the distance between a projecting position and a depression position of an inner ring end face when outer rings at the two ends of the bearing drop freely; IV, substituting the distance into an axial clearance calculating formula to calculate an axial clearance actual value of a ball bearing Ga=[(C+DeltaC)-(B+DeltaB)]-(delta1+delta2) so as to obtain an axial clearance measured actual value of the ball bearing. The method is applied to axial clearance measurement of the large-sized bearing.
Description
Technical field
The present invention relates to a kind of bearing axial play measuring method, be specifically related to a kind of large size bearing method for measuring axial clearance.
Background technology
The large-scale combustion engine bearing (bearing outside diameter size is more than between φ 300mm to φ 500mm) of development newly developed, large scale
High-temperature self-lubrication vector spray steering bearing (bearing outside diameter size is more than between φ 500mm to φ 700mm), current China axle
Holding the ball bearing radial play measuring instrument device that instrument manufacturing factory produces, measurement scope is bearing outside diameter size≤φ 300mm, outward
The end-play detection equipment that the bearing of footpath size φ 300mm to φ 1000mm is not shaped, makes the large-scale combustion engine axle newly developed
Hold the measurement with large scale high-temperature self-lubrication vector spray steering bearing end-play and become technological difficulties.
Summary of the invention
The present invention is to solve that outside dimension in prior art is not shaped axial play at the bearing of φ 300mm～φ 1000mm
Gap detecting instrument, it is therefore desirable to a kind of large size bearing method for measuring axial clearance is provided.
The present invention solves that the problems referred to above the technical scheme is that
Described method realizes according to following steps；
Step one: preparation tool: preparing experiment platform, fixing dial framework, measuring instruments, gauge block, packing ring and one are to be measured
Bearing, the size of inside diameter of gasket is equivalently-sized with bearing inner ring interior diameter, the size of washer outer diameter and bearing inner race external diameter
Equivalently-sized, measuring instruments is arranged on fixing dial framework；
Step 2: measurement axis bearing outer-ring nominal dimension deviation and bearing inner race nominal dimension deviation: bearing to be measured is placed
On experiment porch, carry out table as bearing width measuring basis with gauge block, measure bearing outer ring width nominal chi respectively
Very little deviation is Δ C and inner race width nominal dimension deviation delta B；
Step 3: when measurement outer ring, bearing two ends is the most sagging, inner ring end face protrudes or the distance of depression: by bearing to be measured
Lie in a horizontal plane on experiment porch, and below an end face of bearing inner race to be measured, place packing ring, make bearing outer ring to have by oneself
Sagging, bearing outer ring is in lowest limit position, is to be supported by with bearing inner race, using bearing inner race end face as base during measurement
Directrix plane, bearing outer ring, relative to the change in displacement of bearing inner race generation axial direction, measures one end bearing by measuring instruments
Outer ring freely sagging time bearing outer ring one side end face protrude relative to the same side inner ring end face or the distance of depression is δ1, will
Bearing to be measured turns over turnback and lies in a horizontal plane on experiment porch, makes to place below another end face of bearing inner race pad
Circle, makes bearing outer ring to have by oneself sagging, and bearing outer ring is in lowest limit position, is with the other end bearing inner race quilt during measurement
Supporting, using bearing inner race end face as datum plane, bearing outer ring relative to the change in displacement of bearing inner race generation axial direction,
By measuring instruments measure the outer ring of other end bearing freely sagging time bearing outer ring one side end face relative to the same side inner ring end
Face is protruded or the distance of depression is δ2；
Step 4: computing formula calculating ball bearing radial play actual value: the Ga substituting into end-play is ball bearing axial play
Gap actual value, Ga=(C+ Δ C)-(B+ Δ B)-(δ1+δ2),
In formula, C is bearing outer ring width nominal dimension, and B is bearing inner race width nominal dimension, and then show that ball bearing is axial
Play measures actual value.
The method have the advantages that
The measuring method of the present invention, in the case of bearing weight is capable of carrying and upset, it is adaptable to outside dimension is φ
The measurement of the multiple bearing axial play of 300mm to 1000mm；And the large-scale single-row radial ball bearing of small lot batch manufacture,
Double half inner ring three four-point contact balls；For outer ring and inner race width difference in size bigger time can use high accuracy gauge block conduct
Ancillary gauges measures；The measuring method accuracy of measurement of invention is higher, can tie the measurement of end-play Special measuring instrument
Really accuracy differentiates.
Accompanying drawing explanation
When Fig. 1 is bearing outside diameter to be measured a size of φ 300mm～φ 1000mm in the present invention, bearing inner race and bearing outer ring are public
Claim the structure chart that width dimensions is different, when Fig. 2 is bearing outside diameter to be measured a size of φ 300mm～φ 1000mm in the present invention
Bearing inner race and the equivalently-sized structure chart of bearing outer ring nominal width, Fig. 3 be by instrument measure the outer ring of one end bearing from
By a bearing outer ring time sagging side end face relative to the same side inner ring end face protrude or depression distance be δ1Structure chart, figure
4 for measured by instrument the outer ring of other end bearing freely sagging time bearing outer ring one side end face relative to the same side inner ring end
Face is protruded or the distance of depression is δ2Structure chart.
Detailed description of the invention
Detailed description of the invention one: combine Fig. 1-Fig. 4 and present embodiment is described, a kind of large size bearing axle described in present embodiment
To clearance measurement method, described method realizes according to following steps:
Step one: preparation tool: preparing experiment platform, fixing dial framework, measuring instruments, gauge block, packing ring and one are to be measured
Bearing, the size of inside diameter of gasket is equivalently-sized with bearing inner ring interior diameter, the size of washer outer diameter and bearing inner race external diameter
Equivalently-sized, measuring instruments is arranged on fixing dial framework, according to the weight size of bearing, it is possible to carry out the feelings carried and overturn
Under condition, the outside dimension bearing more than φ 300mm to 1000mm can realize the measurement of end-play；
Step 2: measurement axis bearing outer-ring nominal dimension deviation and bearing inner race nominal dimension deviation: bearing to be measured is placed
On experiment porch, carry out table as bearing width measuring basis with gauge block, measure bearing outer ring width nominal chi respectively
Very little deviation is Δ C and inner race width nominal dimension deviation delta B；
Step 3: when measurement outer ring, bearing two ends is the most sagging, inner ring end face protrudes or the distance of depression: by bearing to be measured
Lie in a horizontal plane on experiment porch, and below an end face of bearing inner race to be measured, place packing ring, make bearing outer ring to have by oneself
Sagging, bearing outer ring is in lowest limit position, is to be supported by with bearing inner race, using bearing inner race end face as base during measurement
Directrix plane, bearing outer ring, relative to the change in displacement of bearing inner race generation axial direction, measures one end bearing by measuring instruments
Outer ring freely sagging time bearing outer ring one side end face protrude relative to the same side inner ring end face or the distance of depression is δ1, will
Bearing to be measured turns over turnback and lies in a horizontal plane on experiment porch, makes to place below another end face of bearing inner race pad
Circle, makes bearing outer ring to have by oneself sagging, and bearing outer ring is in lowest limit position, is with the other end bearing inner race quilt during measurement
Supporting, using bearing inner race end face as datum plane, bearing outer ring relative to the change in displacement of bearing inner race generation axial direction,
By measuring instruments measure the outer ring of other end bearing freely sagging time bearing outer ring one side end face relative to the same side inner ring end
Face is protruded or the distance of depression is δ2；
Step 4: computing formula calculating ball bearing radial play actual value: the Ga substituting into end-play is ball bearing axial play
Gap actual value, Ga=(C+ Δ C)-(B+ Δ B)-(δ1+δ2),
In formula, C is bearing outer ring width nominal dimension, and B is bearing inner race width nominal dimension, and then show that ball bearing is axial
Play measures actual value.
Detailed description of the invention two: combine Fig. 2-Fig. 4 and present embodiment is described, a kind of large size bearing axle described in present embodiment
To clearance measurement method, in described step 4 Chinese style, C is bearing outer ring width nominal dimension and B is bearing inner race width nominal
Time equal sized, Ga=(Δ C-Δ B)-(δ1+δ2)。
Embodiment
Such as certain emphasis model ball bearing outside dimension φ 300mm, measure with end-play Special measuring instrument, during adjusting due to instrument
Do not account for the impact of the weight of bearing own, make measurement result misalignment, differentiate by the measuring method of the present invention, checked measurement result
Misalignment and measuring instrument adjust the basic reason of error.
Claims (2)
1. a large size bearing method for measuring axial clearance, it is characterised in that: described method is to realize according to following steps
:
Step one: preparation tool: preparing experiment platform, fixing dial framework, measuring instruments, gauge block, packing ring and one are to be measured
Bearing, the size of inside diameter of gasket is equivalently-sized with bearing inner ring interior diameter, the size of washer outer diameter and bearing inner race external diameter
Equivalently-sized, measuring instruments is arranged on fixing dial framework；
Step 2: measurement axis bearing outer-ring nominal dimension deviation and bearing inner race nominal dimension deviation: bearing to be measured is placed
On experiment porch, carry out table as bearing width measuring basis with gauge block, measure bearing outer ring width nominal chi respectively
Very little deviation is Δ C and inner race width nominal dimension deviation delta B；
Step 3: when measurement outer ring, bearing two ends is the most sagging, inner ring end face protrudes or the distance of depression: by bearing to be measured
Lie in a horizontal plane on experiment porch, and below an end face of bearing inner race to be measured, place packing ring, make bearing outer ring to have by oneself
Sagging, bearing outer ring is in lowest limit position, is to be supported by with bearing inner race, using bearing inner race end face as base during measurement
Directrix plane, bearing outer ring, relative to the change in displacement of bearing inner race generation axial direction, measures one end bearing by measuring instruments
Outer ring freely sagging time bearing outer ring one side end face protrude relative to the same side inner ring end face or the distance of depression is δ1, will
Bearing to be measured turns over turnback and lies in a horizontal plane on experiment porch, makes to place below another end face of bearing inner race pad
Circle, makes bearing outer ring to have by oneself sagging, and bearing outer ring is in lowest limit position, is with the other end bearing inner race quilt during measurement
Supporting, becomes relative to the displacement of bearing inner race generation axial direction using bearing inner race end face as datum plane, bearing outer ring
Change, by measuring instruments measure the outer ring of other end bearing freely sagging time bearing outer ring one side end face relative to the same side inner ring
End face protrudes or the distance of depression is δ2；
Step 4: computing formula calculating ball bearing radial play actual value: the Ga substituting into end-play is ball bearing axial play
Gap actual value, Ga=(C+ Δ C)-(B+ Δ B)-(δ1+δ2),
In formula, C is bearing outer ring width nominal dimension, and B is bearing inner race width nominal dimension, and then show that ball bearing is axial
Play measures actual value.
A kind of large size bearing method for measuring axial clearance, it is characterised in that: step 4 Chinese style
Middle C be bearing outer ring width nominal dimension with B be bearing inner race width nominal dimension equal time, Ga=(Δ C-Δ B)-
(δ1+δ2)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610437952.9A CN105865395A (en) | 2016-06-17 | 2016-06-17 | Axial clearance measuring method for large-sized bearing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610437952.9A CN105865395A (en) | 2016-06-17 | 2016-06-17 | Axial clearance measuring method for large-sized bearing |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110044340A (en) * | 2019-02-26 | 2019-07-23 | 中国一冶集团有限公司 | Hemispherical steel construction shell dimension measures control method |
| CN110285744A (en) * | 2019-08-07 | 2019-09-27 | 重庆齿轮箱有限责任公司 | The measuring device and its measurement method of power shift gear bearing axial play |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110044340A (en) * | 2019-02-26 | 2019-07-23 | 中国一冶集团有限公司 | Hemispherical steel construction shell dimension measures control method |
| CN110285744A (en) * | 2019-08-07 | 2019-09-27 | 重庆齿轮箱有限责任公司 | The measuring device and its measurement method of power shift gear bearing axial play |
| CN110285744B (en) * | 2019-08-07 | 2021-05-28 | 重庆齿轮箱有限责任公司 | Device and method for measuring axial clearance of gear shifting gear bearing |
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Application publication date: 20160817 |