CN102840813B - Bearing clearance measuring device and method thereof - Google Patents
Bearing clearance measuring device and method thereof Download PDFInfo
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- CN102840813B CN102840813B CN201210318023.8A CN201210318023A CN102840813B CN 102840813 B CN102840813 B CN 102840813B CN 201210318023 A CN201210318023 A CN 201210318023A CN 102840813 B CN102840813 B CN 102840813B
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- outer ring
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- inner race
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Abstract
The invention discloses a bearing clearance measuring device, which comprises a pedestal and a stand column which is vertically connected to the pedestal, wherein the upper part and the lower part of the stand column are provided with through holes respectively, and a groove is formed in the middle of the stand column; the through holes and the groove are positioned on the same vertical line; a bearing inner ring fixing block and a bearing outer ring fixing block are alternately arranged on one side face of the stand column and are fixedly arranged in the through holes respectively; and another pair of bearing outer ring fixing block and bearing inner ring fixing block is arranged in the groove. The invention also discloses a method for measuring axial clearance and radial clearance of a bearing by using the bearing clearance measuring device. When the bearing clearance measuring device is vertically arranged, the radial clearance of the bearing can be measured; when the bearing clearance measuring device is horizontally arranged, the axial clearance of the bearing can be measured; for the bearing with smaller external diameter, the outer ring of the bearing can be clamped for measurement; and for the bearing with larger internal diameter, the inner ring of the bearing can be clamped for measurement. According to the bearing clearance measuring device and the measuring method thereof, the measuring range can be expanded and the measuring efficiency can be increased.
Description
Technical field
The present invention relates to Bearing testing field, especially bearing clearance fields of measurement.
Background technology
Can reliability service for ensureing that motor has assembled rear rotor, need the play to being arranged on epitrochanterian bearing to detect.Disclose a kind of bearing measuring device in China utility model patent description CN201120367316.6, structure is comparatively simple.During measurement, bearing is arranged on measuring table, compresses by fixture, hand rotation or push-and-pull bearing, make bearing outer ring produce displacement along play under force; This device can measure radial and axial play after repacking.This device has a taper briquetting, can meet the fixing of the bearing of different inner diameters; But accommodation is limited: due to the restriction of briquetting diameter, the internal diameter of measured bearing can not be very large; And when measured bearing internal diameter is very little, the tapering of briquetting section is not enough to the edge of location bearing exactly.In addition conventional raster pattern clearance measuring apparatus in addition, this measuring instrument precision is very high, but cost is high, difficult in maintenance, and use step complicated, efficiency is lower.
Summary of the invention
The applicant, for little, the awkward shortcoming of the existing bearing clearance measuring device scope of application, carries out linguistic term, provides another kind of bearing clearance measuring device and measuring method thereof, thus enlarge measurement range, raising measurement efficiency.
Technical scheme of the present invention is as follows.
A kind of bearing clearance measuring device, comprises base and is vertically connected on the column on base; Described column has through hole in upper and lower, and centre has groove, and described through hole and slot are on same vertical curve; Bearing inner race fixed block and bearing outer ring fixed block are alternately arranged on a side of described column, bearing inner race fixed block and bearing outer ring fixed block are separately fixed in described through hole, and pair of bearings outer ring fixed block and bearing inner race fixed block are arranged in described groove in addition;
Its further technical scheme is: described bearing inner race fixed block comprises the socket cap that one end is threaded hole, and described socket cap is close to the side of described column by large pad and is fastened by bolts; Described bearing outer ring fixed block comprises the location-plate that one end is threaded hole, and the side of described location-plate is fluted, and described location-plate is close to the side of column by large pad and is fastened by bolts.
The invention also discloses a kind of method using apparatus of the present invention to measure bearing clearance, its step is as follows:
Step one: the bearing inner race fixed block slided in described groove, is stuck in the periphery of two bearing inner race fixed blocks by the inner ring of measured rolling bearing;
Step 2: dial gauge is fixed on described column, and dial gauge gauge head is beaten on bearing outer ring, shift top with by bearing outer ring onto to gauge head direction, record dial gauge reading; Shift bearing outer ring onto top to opposite side again, and record reading, according to the play of twice reading numerical computations bearing.
The invention also discloses the another kind of method using apparatus of the present invention to measure bearing clearance, its step is as follows:
Step one: the bearing outer ring fixed block in sliding tray, is stuck in the inside of two bearing outer ring fixed blocks by the outer ring of measured rolling bearing;
Step 2: dial gauge is fixed on described column, and dial gauge gauge head is beaten on bearing inner race, shift top with by bearing inner race onto to gauge head direction, record dial gauge reading; Shift bearing inner race onto top to opposite side again, and record reading, according to the play of twice reading numerical computations bearing.
Beneficial effect of the present invention is as follows.
The bearing that the present invention is larger to internal diameter can use a pair inner ring fixed block to fix, and the bearing smaller to external diameter can use a pair outer ring fixed block to fix, and thus can measure the play of the bearing of various diameter; Often pair of fixed block is all made up of an immovable fixed block and a fixed block that can slide in groove, only needs adjustment fixed block during measurement, uses more for convenience.
Accompanying drawing explanation
Fig. 1 is the front view of apparatus of the present invention.
Fig. 2 is the left view of apparatus of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described.
As shown in Figure 1, a kind of bearing clearance measuring device, the rectangle column 1 comprising criss-cross base 5 and be vertically welded on base; The upper and lower of column 1 has manhole, and centre has kidney slot 3, and described through hole and kidney slot 3 are positioned on same vertical curve; Clutch shaft bearing inner ring fixed block 2-1 is installed in the through hole on column 1 top, the second bearing outer ring fixed block 4-2 is installed in the through hole of bottom, clutch shaft bearing outer ring fixed block 4-1 and the second bearing inner race fixed block 2-2 is installed in kidney slot 3 from top to bottom.
As shown in Figure 2, comprise the socket cap 8 that one end is threaded hole respectively in clutch shaft bearing inner ring fixed block 2-1 and the second bearing inner race fixed block 2-2, socket cap 8 is close to the leading flank of column 1 by large pad 7 and is fastened on column 1 by bolt 6; Clutch shaft bearing outer ring fixed block 4-1 and bearing outer ring fixed block 4-22 second bearing outer ring fixed block 4-2 comprises the location-plate 9 that one end is threaded hole respectively, the upper side of location-plate 9 has arc groove 10, and location-plate 9 is close to the leading flank of column 1 by large pad 7 and is fastened on column 1 by bolt 6.
The effect of arc groove 10 is the outer rings being convenient to locate measured bearing, for same object, certainly can adopt the form such as v-depression, rectangular recess.Theoretically, the leading flank of column 1 is arranged from top to bottom successively
first bearing outer ring fixed block 4-1, clutch shaft bearing inner ring fixed block 2-1, the second bearing outer ring fixed block 4-2 and clutch shaft bearing inner ring fixed block 2-1 also can obtain the technique effect same with the present embodiment, but described bearing inner race fixed block is fixed on the lower side of column 1, due to highly lower may cause clamping bearing inner race time bearing and base interfere, therefore not as most preferred embodiment.
The building block structure of apparatus of the present invention is simple, easy to process, and cost is lower; Simultaneously all parts is separate, can dismounting and change when occurring damaging, easy to maintenance.
When measuring the end-play of bearing, the column 1 of apparatus of the present invention is vertically placed; When measuring rolling bearing axial play, column 1 two ends pad is placed on and two contiguous blocks makes column 1 be horizontal positioned, and the front surface level making column 1 upward.Different according to the fixed block type used, bearing inner race can be clamped and measure outer ring displacement, also can measure inner ring displacement by clamp axis bearing outer-ring.Concrete steps are presented below respectively:
1, clamp bearing inner race and measure outer ring displacement, measure end-play, end-play respectively.
The end-play of A, measurement bearing: device is vertically placed, installs the clutch shaft bearing inner ring fixed block 2-1 of column 1 upper part, tight a bolt 6; The inner ring of measured rolling bearing is hung on clutch shaft bearing inner ring fixed block 2-1, then the second bearing inner race fixed block 2-2 in kidney slot 3 is installed, first not fastening, be against the bottom of bearing inner race, firmly push away downwards, until very close to each other and till can not promoting, then fastening second bearing inner race fixed block 2-2.Dial gauge is fixed on column 1, and by upper end that dial gauge gauge outfit is beaten on bearing outer ring, upwards shift bearing outer ring onto extreme position and reading with hand, then move bearing outer ring to extreme position downwards and reading with hand, according to the end-play of twice reading numerical computations bearing.
The end-play of B, measurement bearing: by device horizontal positioned, rolling bearing inner ring is propped up respectively with clutch shaft bearing inner ring fixed block 2-1 and the second bearing inner race fixed block 2-2, by the second bearing inner race fixed block 2-2 in kidney slot 3 firmly to extrapolation, until very close to each other and till can not promoting, then fastening second bearing inner race fixed block 2-2.Again dial gauge is fixed on column 1, with hand, bearing outer ring is pushed away straight down, until push away motionless, beat at bearing outer ring upper surface reading with dial gauge, and then with hand, bearing outer ring is pulled to the limit straight up, beat at bearing outer ring upper surface reading, by the end-play of twice reading numerical computations rolling bearing with dial gauge again.
2, clamp axis bearing outer-ring measures inner ring displacement, measures end-play, end-play respectively.
The end-play of A, measurement bearing: device is vertically placed, install the second bearing outer ring fixed block 4-2 of column 1 bottom, tight a bolt 6, the outer ring of rolling bearing is placed in the groove 10 on the second bearing outer ring fixed block 4-2, then the clutch shaft bearing outer ring fixed block 4-1 in kidney slot 3 is installed, first not fastening, be against the top of bearing outer ring, firmly push away downwards, until very close to each other and till can not promoting, then fastening good clutch shaft bearing outer ring fixed block 4-1.Dial gauge is fixed on column 1, and dial gauge gauge outfit is beaten the upper end at bearing inner race, upwards shift bearing inner race onto extreme position and reading with hand, then shift bearing inner race onto extreme position downwards and reading with hand, according to the end-play of twice reading numerical computations bearing.
The end-play of B, measurement bearing: by device horizontal positioned, housing washer is clamped with clutch shaft bearing outer ring fixed block 4-1 and the second bearing outer ring fixed block 4-2, clutch shaft bearing outer ring fixed block 4-1 in kidney slot 3 is firmly inwardly pushed away, until very close to each other and till can not promoting, then fastening good clutch shaft bearing outer ring fixed block 4-1.Again dial gauge is fixed on column 1, with hand, bearing inner race is pushed away straight down, until push away motionless, beat at bearing inner race upper surface reading with dial gauge, and then with hand, bearing inner race is pulled to the limit straight up, beat at bearing inner race upper surface reading, by the end-play of twice reading numerical computations rolling bearing with dial gauge again.
More than describing is explanation of the invention, is not the restriction to invention.Limited range of the present invention is see claim, and without departing from the basic structure of the case in the present invention, the present invention can do any type of amendment.
Claims (4)
1. a bearing clearance measuring device, is characterized in that: comprise base (5) and be vertically connected on the column (1) on base, column (1) has through hole in upper and lower, and centre has groove (3), and described through hole and groove (3) are positioned on same vertical curve, bearing inner race fixed block and bearing outer ring fixed block are alternately arranged on a side of column (1), wherein, described bearing inner race fixed block comprises clutch shaft bearing inner ring fixed block (2-1) and the second bearing inner race fixed block (2-2), described bearing outer ring fixed block comprises clutch shaft bearing outer ring fixed block (4-1) and the second bearing outer ring fixed block (4-2), clutch shaft bearing inner ring fixed block (2-1) is arranged in the through hole on column (1) top, second bearing outer ring fixed block (4-2) is arranged in the through hole of column (1) bottom, from installing clutch shaft bearing outer ring fixed block (4-1) and the second bearing inner race fixed block (2-2) from top to bottom in groove (3).
2. bearing clearance measuring device as claimed in claim 1, it is characterized in that: described bearing inner race fixed block comprises the socket cap (8) that one end is threaded hole, the side that socket cap (8) is close to column (1) by large pad (7) is also fastening by bolt (6); Described bearing outer ring fixed block comprises the location-plate (9) that one end is threaded hole, and the side of location-plate (9) is fluted (10), and the side that location-plate (9) is close to column (1) by large pad (7) is also fastening by bolt (6).
3. use bearing clearance measuring device as claimed in claim 1 or 2 to measure the method for bearing clearance, it is characterized in that comprising the following steps:
Step one: slide the second bearing inner race fixed block (2-2), the inner ring of measured rolling bearing is stuck in the periphery of clutch shaft bearing inner ring fixed block (2-1) and the second bearing inner race fixed block (2-2);
Step 2: dial gauge is fixed on column (1), and dial gauge gauge head is beaten on bearing outer ring, shift bearing outer ring onto top to gauge head direction with hand, record dial gauge reading; Shift bearing outer ring onto top to opposite side again, and record reading, according to the play of twice reading numerical computations bearing.
4. use bearing clearance measuring device as claimed in claim 1 or 2 to measure the method for bearing clearance, it is characterized in that comprising the following steps:
Step one: slip clutch shaft bearing outer ring fixed block (4-1), is stuck in the inside of clutch shaft bearing outer ring fixed block (4-1) and the second bearing outer ring fixed block (4-2) by the outer ring of measured rolling bearing;
Step 2: dial gauge is fixed on column (1), and dial gauge gauge head is beaten on bearing inner race, shift bearing inner race onto top to gauge head direction with hand, record dial gauge reading; Shift bearing inner race onto top to opposite side again, and record reading, according to the play of twice reading numerical computations bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210318023.8A CN102840813B (en) | 2012-08-31 | 2012-08-31 | Bearing clearance measuring device and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210318023.8A CN102840813B (en) | 2012-08-31 | 2012-08-31 | Bearing clearance measuring device and method thereof |
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| Publication Number | Publication Date |
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| CN102840813A CN102840813A (en) | 2012-12-26 |
| CN102840813B true CN102840813B (en) | 2015-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210318023.8A Active CN102840813B (en) | 2012-08-31 | 2012-08-31 | Bearing clearance measuring device and method thereof |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103389024B (en) * | 2013-07-19 | 2016-05-04 | 西北轴承股份有限公司 | Medium-and-large-sized rolling bearing radial play measuring instrument |
| CN105021109A (en) * | 2014-09-06 | 2015-11-04 | 杨海斌 | Angular contact ball bearing clearance detection device |
| CN107101560A (en) * | 2017-07-06 | 2017-08-29 | 国电联合动力技术有限公司 | A kind of bearing end-play measurement assembly and the method for measuring bearing clearance |
| CN108759758B (en) * | 2018-05-25 | 2020-10-16 | 永康市久爱久科技有限公司 | Engine bearing clearance detection device and measurement method |
| CN108592760B (en) * | 2018-08-14 | 2023-12-19 | 慈溪市倍尔林实业有限公司 | Bearing radial play measuring instrument convenient to operate |
| CN114087955A (en) * | 2021-11-29 | 2022-02-25 | 中国航发哈尔滨轴承有限公司 | Device and method for measuring outer compound circle radius of cylindrical roller in sagging state |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3216389B2 (en) * | 1994-02-04 | 2001-10-09 | 日本精工株式会社 | Method and apparatus for measuring the preload gap of double row rolling bearings |
| KR20050064834A (en) * | 2003-12-24 | 2005-06-29 | 두산인프라코어 주식회사 | Bearing clearance measuring device |
| CN101458060B (en) * | 2009-01-04 | 2010-07-14 | 瓦房店轴承集团有限责任公司 | Outer ring retaining side height, angle and parallel difference detection device for cylindrical roller bearing |
| CN102230777B (en) * | 2011-04-07 | 2013-02-27 | 洛阳Lyc轴承有限公司 | Method for precisely measuring radial internal clearance of large-size bearing |
| CN202204445U (en) * | 2011-09-30 | 2012-04-25 | 中国核工业二三建设有限公司 | Bearing clearance measuring device |
| CN202903088U (en) * | 2012-08-31 | 2013-04-24 | 中电电机股份有限公司 | Bearing clearance measuring device |
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2012
- 2012-08-31 CN CN201210318023.8A patent/CN102840813B/en active Active
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| CN102840813A (en) | 2012-12-26 |
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