CN201373723Y - Convex amount measuring apparatus for bearing - Google Patents
Convex amount measuring apparatus for bearing Download PDFInfo
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- CN201373723Y CN201373723Y CN200920300556U CN200920300556U CN201373723Y CN 201373723 Y CN201373723 Y CN 201373723Y CN 200920300556 U CN200920300556 U CN 200920300556U CN 200920300556 U CN200920300556 U CN 200920300556U CN 201373723 Y CN201373723 Y CN 201373723Y
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- bearing
- outer ring
- transmission rod
- measuring instrument
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- 238000005259 measurement Methods 0.000 claims abstract description 41
- 230000005540 biological transmission Effects 0.000 claims description 41
- 238000012546 transfer Methods 0.000 claims description 9
- 230000033001 locomotion Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to the measurement of an angular contact ball bearing, in particular to a convex amount measuring apparatus for the angular contact ball bearing, which comprises a rack and a measuring instrument, wherein the rack is provided with a positioning seat connected with a bearing outer ring, a measuring pad connected with a bearing inner ring is arranged above the positioning seat, a loading mechanism is arranged above the measuring pad and fixed with an outer ring measuring instrument, and the contact of the outer ring measuring instrument is connected with an outer ring; and the rack is fixed with an inner ring measuring instrument, and the contact of the inner ring measuring instrument is connected with the loading mechanism. The utility model mainly provides the convex amount measuring apparatus which has simple structure, good stability, flexible and convenient use and self-carrying load, and solves the technical problems of complex structure and large volume of an external power source of the prior art.
Description
Technical field
The utility model relates to a kind of measurement of angular contact ball bearing, relates in particular to a kind of measuring instrument of protrusion amount of angular contact ball bearing.
Background technology
The bearing of using for precision machine tool main shaft or water pump industry, not only require bearing itself that high dimensional accuracy and running accuracy are arranged, and require in use to keep the stability of main shaft precision, for this reason, select paired duplex angular contact ball bearing at present more widely for use.The assembly angular contact ball bearing, promptly two covers or the above angular contact ball bearing of two covers in accordance with regulations process measurement select assembly to form.With paired duplex angular contact ball bearing is example back-to-back, when bearing assembles,, make its inner ring end face be lower than outer ring wide end surface a few tenths of a mm through apolegamy or special processing, this parameter is called as " protrusion amount ", promptly has certain clearance to exist between the end face of two inner rings.After installation applies load, the end face of two inner rings is also contacted, the elimination gap also is close to, and bearing promptly obtains to add in advance axial load.Simultaneously, the outer ring wide end surface of two bearings also is close under the effect of axial force and claims as a whole.This shows that this class bearing is in the major technique in when assembling, guarantee that exactly the protrusion amount between the Internal and external cycle end face of bearing gets final product in certain scope.Make bearing the time guarantee earlier that in assembling bearing realizes the condition of pre-interference, promptly two of pairing cover bearings are under the measurement load of regulation, the protrusion amount of its end face that contacts must be able to be guaranteed, bearing is worked under the high temperature and high speed condition, aspects such as its precision, rotating speed, vibration, noise all there is very high requirement, satisfy these requirements, must measure the protrusion value of bearing exactly.The instrument of the protrusion amount of present measurement bearing has pneumatic measuring instrument, as Chinese patent: " bearing protrusion measuring device (CN1186586) ", form by machinery, pneumatic control and electric part.Mechanical part comprises the axis that the lower end is connected with elevating mechanism, and air spindle is equipped with in axis upper end, and the mandrel that can match with standard ring or bearing to be measured is equipped with in the air spindle upper end; Displacement transducer in the electric part passes the endoporus of abutment ring, and its lower end contacts with the interior ring end face of standard ring or bearing to be measured, and its upper end is connected with electric part or has refilled indicating gauge.This complex structure volume is big, needs the external gas driving source.
Summary of the invention
The utility model has mainly provided simple in structure, and good stability is flexible and convenient to use, from the measuring instrument for projection of bringing onto load; Solve the existing in prior technology complex structure, need the bulky technical matters of external power source.
Above-mentioned technical matters of the present utility model is mainly solved by following technical proposals: a kind of measuring instrument for projection of bearing, comprise frame and measurement instrument, described frame is provided with the positioning seat that joins with bearing outer ring, above positioning seat, be provided with the measurement pad that joins with bearing inner race, above the measurement pad, be provided with mechanism loading, be fixed with the outer ring measurement instrument on mechanism loading, the contact and the outer ring of outer ring measurement instrument join; Be fixed with the inner ring measurement instrument on frame, the contact and the support structures of inner ring measurement instrument join.Each fixes a measuring instrument on inner ring and outer ring, utilizes the mechanism loading of measuring the pad top, lever loading and unloading and freely falling body principle, measure the protrusion amount of bearing, measure pad and join with inner ring, positioning seat and outer ring join, on positioning seat, leave a gap, the space that moves downward after can making things convenient for inner ring stressed, structure of the present utility model is saved material, reduces the instrument space, utilize the support structures of self, do not need external power source, dirigibility is good, and is simple and convenient.
As preferably, described support structures comprises and is positioned at the unloading column of measuring top, pad center, is provided with transmission rod in the inside of unloading column, is provided with loading structure above transmission rod; Described unloading column is by the unloading rod hinge connection on connecting rod and the frame; Described loading structure comprises the force rod that joins with transmission rod, and force rod one end is fixed on the unloading column, and the other end of the force rod load lever that has been connected through the hinge is fixed with the load piece in the end of load lever; The sheet that is fixedly coupled on the contact of described inner ring measurement instrument and the transmission rod joins; Described outer ring measurement instrument is fixed on the unloading column.Move up and down by operation unloading connecting rod drivening rod, thereby make unloading column and transmission rod move up and down, the power that the weight+load maintainer of the weight+transmission rod of the load that bearing bore=measurement pad spreads out of.The utility model is to utilize the power source of self that bearing is loaded fully, utilizes transmission rod to transmit load, utilizes unloading column and connecting rod to unload, and is simple in structure, handled easily.The measurement instrument of inner ring is fixed on the unloading column, and transmission rod is passed inner ring with power by measuring dig pass during loading, and the contact of inner ring is connected on the brace on the transmission rod, thereby records the data of inner ring end face; The outer ring measurement instrument is fixed on the unloading column, moves along with the motion of unloading column, and the contact of outer ring measurement instrument is connected on the outer ring, thereby records the data of cycle surface.
As more preferably, described unloading column and transmission rod are cylindrical, and described frame is provided with columniform directed cavity, and described unloading column is positioned at directed cavity, is provided with the Access Division of protrusion in the upper end of transmission rod.The upper surface apical grafting of unloading column is on the Access Division of the protrusion of transmission rod, and when the unloading column moved upward along with connecting rod, the unloading column headed on transmission rod and moves upward together, and both are synchronized with the movement, and have guaranteed the measurement accuracy of outer ring meter.
As more preferably, be connected with an end of spring on the described connecting rod, the other end of spring is fixed on the frame.Connect spring on connecting rod, after connecting rod will unload column jack-up and unload, utilize the pulling force of spring that connecting rod is pulled down and load, the loading blocks of load maintainer can be carried on the transmission rod by freely falling body simultaneously.
As more preferably, the two ends up and down of described transmission rod respectively are provided with a circular force transfer body, and two circular force transfer bodies are positioned on the center line of transmission rod, corresponding up and down the layout.On the same straight line of the upper and lower end face of transmission rod force transfer body is set, can reduces contact area, increase the service life, power transmission simultaneously is good, the power of load maintainer can be passed to bearing, improves the stability of instrument.
As preferably, described positioning seat is a disc, is provided with two step surfaces in the upper surface of positioning seat, joining by first step surface of top and the outer ring of bearing wherein.Appear on the stage terrace and outer ring joins, and the leave from office terrace leaves a gap, can allow inner ring under stressed situation, and the space of downward motion is arranged, and is convenient for measuring and debugs.
As preferably, described measurement pad is a disc, is provided with the step surface of annular in the lower surface of described measurement pad, and step surface is connected on the inner ring of bearing.The annular table terrace is set, measurement simple in structure, as to make things convenient for bearing.
Therefore, the measuring instrument for projection of a kind of bearing of the present utility model has following advantage: utilize the support structures of self, do not need the additionaling power source during use, dirigibility is good, convenient moving and operation; Make full use of transmission rod and measure the weight of filling up, utilize the lever loading principle, save material, reduce the volume of instrument; Adopted unloading of mechanical lever principle and freely falling body to load, long service life, stability of instrument is good.
Description of drawings:
Fig. 1 is the synoptic diagram of the measuring instrument for projection of bearing of the present utility model.
The concrete thing mode of implementing:
Below by embodiment, and in conjunction with the accompanying drawings, the technical scheme of utility model is described in further detail.
Embodiment:
As shown in Figure 1, a kind of measuring instrument for projection of bearing, comprise frame 1, below frame 1, be provided with positioning seat 2, the upper surface of positioning seat 2 and the lower surface of angular contact ball bearing join, the upper surface of positioning seat 2 is provided with two step surfaces that concave 4, the outer ring 3 of angular contact ball bearing is connected on first step surface of positioning seat 2 upper surfaces, thereby make and leave a gap between the upper surface of the lower surface of angular contact ball bearing and positioning seat 2, can allow the inner ring 5 of angular contact ball bearing that the space of motion is arranged.Be provided with discoidal measurement pad 6 in the upper surface of angular contact ball bearing, the inner ring 5 of measuring pad 6 and angular contact ball bearing connects, be provided with circular groove at the center of measuring pad 6, be placed with circular force transfer body 7 in the groove, the top butt of circular force transfer body 7 has transmission rod 8, transmission rod 8 is cylindric, be provided with the Access Division 9 of protrusion in the upper end of transmission rod 8, external peripheral surface at transmission rod 8 is socketed with unloading column 10, the upper surface of unloading column 10 is connected on the Access Division 9 of transmission rod 8, unloading column 10 is cylindrical, and unloading column 10 moves in the circular cylindrical cavity of frame 1, is hinged with unloading lever 11 by connecting rod 19 above unloading column 10.Rear surface at unloading column 10 is fixed with outer ring measurement instrument 12, the contact of outer ring measurement instrument 12 and the outer ring of bearing 3 join, on transmission rod 8, be circumscribed with brace 13, be fixed with inner ring measurement instrument 14 on the frame outside the unloading column 10, the contact of inner ring measurement instrument 14 and brace 13 join.Center above transmission rod 8 is connected with force rod 15 by the force transfer body 7 of circle, and force rod 15 is fixed on the unloading column 10, and force rod 15 is connected with load lever 17 by hinge 16, is fixed with load piece 18 in the end of load lever 17.Transmission rod about in the of 8 the circular force transfer body 7 at two ends be positioned on the center line of transmission rod 8.Be connected with spring 20 on connecting rod 19, the other end of spring 20 is fixed on the frame 1.
Principle of work of the present utility model is as follows:
Specific embodiment described herein only is that design of the present utility model is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (7)
1. the measuring instrument for projection of a bearing, comprise frame and measurement instrument, it is characterized in that: described frame is provided with the positioning seat that joins with bearing outer ring, above positioning seat, be provided with the measurement pad that joins with bearing inner race, above the measurement pad, be provided with mechanism loading, be fixed with the outer ring measurement instrument on mechanism loading, the contact and the outer ring of outer ring measurement instrument join; Be fixed with the inner ring measurement instrument on frame, the contact and the support structures of inner ring measurement instrument join.
2. the measuring instrument for projection of bearing according to claim 1 is characterized in that: described support structures comprises and is positioned at the unloading column of measuring top, pad center, is provided with transmission rod in the inside of unloading column, is provided with loading structure above transmission rod; Described unloading column is by the unloading rod hinge connection on connecting rod and the frame; Described loading structure comprises the force rod that joins with transmission rod, and force rod one end is fixed on the unloading column, and the other end of the force rod load lever that has been connected through the hinge is fixed with the load piece in the end of load lever; The contact of described inner ring measurement instrument joins with the sheet that is fixedly coupled that unloads on the column; Described outer ring measurement instrument is fixed on the unloading column.
3. the measuring instrument for projection of bearing according to claim 2, it is characterized in that: described unloading column and transmission rod are cylindrical, described frame is provided with columniform directed cavity, and described unloading column is positioned at directed cavity, is provided with the Access Division of protrusion in the upper end of transmission rod.
4. according to the measuring instrument for projection of claim 2 or 3 described bearings, it is characterized in that: be connected with an end of spring on the described connecting rod, the other end of spring is fixed on the frame.
5. according to the measuring instrument for projection of claim 2 or 3 described bearings, it is characterized in that: the two ends up and down of described transmission rod respectively are provided with a circular force transfer body, and two circular force transfer bodies are positioned on the center line of transmission rod, corresponding up and down the layout.
6. the measuring instrument for projection of bearing according to claim 1, it is characterized in that: described positioning seat is a disc, is provided with two step surfaces in the upper surface of positioning seat, joining by first step surface of top and the outer ring of bearing wherein.
7. the measuring instrument for projection of bearing according to claim 1, it is characterized in that: described measurement pad is a disc, is provided with the step surface of annular in the lower surface of described measurement pad, step surface is connected on the inner ring of bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920300556U CN201373723Y (en) | 2009-02-11 | 2009-02-11 | Convex amount measuring apparatus for bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920300556U CN201373723Y (en) | 2009-02-11 | 2009-02-11 | Convex amount measuring apparatus for bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201373723Y true CN201373723Y (en) | 2009-12-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920300556U Expired - Lifetime CN201373723Y (en) | 2009-02-11 | 2009-02-11 | Convex amount measuring apparatus for bearing |
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| CN (1) | CN201373723Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101922906A (en) * | 2010-08-11 | 2010-12-22 | 洛阳轴研科技股份有限公司 | Method of measuring axial clearance and preload clearance of back-to-back angular contact ball bearings |
| CN102829694A (en) * | 2012-08-24 | 2012-12-19 | 长春富维—江森自控汽车饰件系统有限公司 | Device for detecting heights and retraction or shedding of vehicle interior projections |
| CN107144203A (en) * | 2017-06-30 | 2017-09-08 | 中国航发哈尔滨轴承有限公司 | A kind of measuring method for being precisely controlled bearing face depression value |
| CN110132592A (en) * | 2019-04-16 | 2019-08-16 | 上海交通大学 | Method for measuring effective preload of bearings for assembly |
-
2009
- 2009-02-11 CN CN200920300556U patent/CN201373723Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101922906A (en) * | 2010-08-11 | 2010-12-22 | 洛阳轴研科技股份有限公司 | Method of measuring axial clearance and preload clearance of back-to-back angular contact ball bearings |
| CN102829694A (en) * | 2012-08-24 | 2012-12-19 | 长春富维—江森自控汽车饰件系统有限公司 | Device for detecting heights and retraction or shedding of vehicle interior projections |
| CN107144203A (en) * | 2017-06-30 | 2017-09-08 | 中国航发哈尔滨轴承有限公司 | A kind of measuring method for being precisely controlled bearing face depression value |
| CN110132592A (en) * | 2019-04-16 | 2019-08-16 | 上海交通大学 | Method for measuring effective preload of bearings for assembly |
| CN110132592B (en) * | 2019-04-16 | 2020-06-12 | 上海交通大学 | Method for measuring effective pre-tightening load of bearing for assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091230 |