CN201053861Y - Double row conical rolling bearing clearance valve device - Google Patents
Double row conical rolling bearing clearance valve device Download PDFInfo
- Publication number
- CN201053861Y CN201053861Y CNU2007200715813U CN200720071581U CN201053861Y CN 201053861 Y CN201053861 Y CN 201053861Y CN U2007200715813 U CNU2007200715813 U CN U2007200715813U CN 200720071581 U CN200720071581 U CN 200720071581U CN 201053861 Y CN201053861 Y CN 201053861Y
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- Prior art keywords
- bearing
- sleeve
- rolling bearing
- spiral cover
- value device
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Abstract
A windage dereferencing device for a double-row circular cone roller-bearing comprises a sleeve provided with a base, on which a regulated roller bearing is sleeved, a pressing device which is sleeved on the sleeve and arranged above the roller bearing, wherein, the pressing device is firmly connected with the sleeve, as well as an assistant pressing device which is sleeved above the pressing device and is connected and coordinated with the pressing device. The utility model uses the sleeve as the main body for assembling other components and the regulated roller bearing, so that the structure is more stable. Due to the pressing way combined with the pressing device and the assistant pressing device, the utility model can effectively guarantee the uniformity of the force form a pressing cover, and the measuring results are more accurate, moreover, the force application can be controlled.
Description
Technical field
The utility model relates to mechanical alignment measurement technical field, relates in particular to the precision measure technology of rolling bearing.
Background technology
In mechanical assembling process, especially in the assembling process of double row tapered roller dynamic bearing, must measure and check the play of double row tapered roller dynamic bearing, assemble the activity precision of rear bearing to guarantee machinery, and the mobility under practical working situation.In heavy industry enterprises such as iron and steel enterprise, equipment mostly operates under the high temperature and high load specific environment, thereby the play size of control double row tapered roller dynamic bearing is had specific requirement.In the past, the play of checking the double row tapered roller dynamic bearing generally is to carry out (referring to Fig. 1) under the free state of bearing, by directly measuring two bearings 1,2 outer ring 11, distance L 1 value between 21, the size that adds the required play of head bearing is on this basis come the thickness of reconditioning play adjustment circle then according to the final size of gained, with the play size of control double row tapered roller dynamic bearing.
, uses the double row tapered roller dynamic bearing measurement of two branches need being come during measurement in pairs because being divided into upper and lower two:
1) measures earlier one of them bearing 1 to be measured, the inner ring end face 121 of bearing 1 inner ring 12 is lain on the flat board down, put outer ring 11 then, measure the height b of inner ring end face 121 to cycle surface 111;
2) take off the height a that outer ring 11 is measured between its both ends of the surface;
3) calculate b-a and obtain the c1 value;
4) take same step to measure another bearing 2 to be measured, obtain the c2 value;
5) the required play of above-mentioned L1=c1+c2+ (being generally 0.08mm-0.10mm), the L1 value that is calculated are the thickness of the play adjustment circle that needs the processing reconditioning.
Under the situation of free state, itself there is the gap in bearing inside (bearing outer ring and roller, bearing inner race and roller).Therefore, the play of the double row tapered roller dynamic bearing that assembles out according to the L1 value under free state is often bigger than normal, make the machinery assembling adjust the requirement that can't reach expection, bearing easily produces axial float and causes mechanical vibration, influences the result of use and the life-span of built-up member.In addition, in actual use, can adopt the hot jacket method to load onto bearing insert by the bearing behind above-mentioned measuring method measurement and the match grinding, may there be certain clearance between the plane between two parts bearing up and down after cooling, and bearing is through producing wearing and tearing after using, comprise the uneven wearing and tearing of bearing outer ring, can compare difficulty if measure and adjust bearing clearance this moment on lining.Because bearing roller and bearing enclose loose contact meeting cause the actual gap of bearing excessive, thereby load onto and when turning, may cause axial float behind the roll shaft and produce the roll surface ripple.
In order to eliminate the excessive defective of bearing clearance, make bearing load onto the bearing clearance of measuring once more and adjusting after lining uses and to satisfy certain technology requirement, basic principle is that bearing need be in and carries out value under the gapless state, means that promptly need apply external force to bearing gets rid of the gap as far as possible.Existing measuring technique is to adopt case type bolted bonnet (BB) method (referring to Fig. 2), be about to pair of bearings 1,2 are placed in the housing 3, after covering gland 4, circumferentially fixing with a plurality of bolts 5, bearing 1,2 is evenly compressed the actual loading situation when simulating its loaded work piece, thereby between the elimination bearing or the inner gap that produces of bearing, the saturating window by corresponding play position on housing 3 faces of cylinder records L1 then.
Yet it is controlled to adopt the circumferentially fixing method of a plurality of bolts to be difficult for owing to the application of force of each bolt, and causes the discontinuity of bearing outer ring, and the possibility of the play value that records fluctuation is bigger, and accuracy is not high.
The utility model content
The purpose of this utility model is to provide a kind of value device of novel double row tapered roller dynamic bearing play to overcome above-mentioned defective of the prior art.
For this reason, value device of the present utility model has adopted following structure setting:
A kind of double row tapered roller dynamic bearing play value device, it comprises: one has the sleeve of base, and controlled rolling bearing is sleeved on this base; One hold down gag, it is set on the described sleeve and is positioned at the rolling bearing top, and this hold down gag and sleeve are fastenedly connected; And an auxiliary clamping device, it is set in this hold down gag top and is connected with described hold down gag.
Advantageously, between rolling bearing and described base, also be equiped with a plane rolling bearing.
Preferably, described hold down gag is a spiral cover, its with described sleeve by being threaded, circumferentially be connected by at least two locking pins with described auxiliary clamping device, and on described spiral cover, be provided with the through hole that cooperates with described locking pin.Described auxiliary clamping device is a swivel eye or weight ring, uniform at least two sliding trays that cooperate with described locking pin on it.
In addition, also evenly be provided with at least two handles on the described swivel eye, so that the even application of force of operator is to tighten or to unclamp spiral cover.
Also being provided with the stopper ring that is set on the described sleeve above the described swivel eye alternatively, to prevent the swivel eye accidental.
Preferably, the described spiral cover in described swivel eye cover part, described stopper ring is screwed on described spiral cover.Alternatively, described stopper ring directly is connected with bush whorl.
The utility model has adopted the value device of said structure structurally simple relatively, easy and simple to handle, can not only simulate the state of biserial cone rolling work, and can measure distance L 1 value between controlled rolling bearing two outer rings exactly, be the thickness of reconditioning play adjustment circle exactly, and the play of adjusting the double row tapered roller dynamic bearing further provides strong foundation.In addition, adopt this value device can bring into play the effect of double row tapered roller dynamic bearing better, improve mechanical precision of assembling, guarantee the service property (quality) of built-up member, and prolong the serviceable life of built-up member.
Description of drawings
Fig. 1 is a synoptic diagram of measuring bearing clearance in the prior art under the free state;
Fig. 2 is the synoptic diagram that available technology adopting case type bolted bonnet (BB) method is measured bearing clearance;
Fig. 3 is the structural representation of the preferred play value of the utility model device;
Fig. 4 is the schematic plan of the preferred spiral cover of the utility model;
Fig. 5 is the A-A ' sectional view of spiral cover among Fig. 4;
Fig. 6 is the schematic plan of the preferred swivel eye of the utility model;
Fig. 7 is the B-B ' sectional view of swivel eye among Fig. 6.
Description of reference numerals:
1,2 double row tapered roller dynamic bearing, 11,21 bearing outer rings
21,22 bearing inner races, 111 bearing outer ring end faces
121 bearing inner race end faces, 3 housings
4 glands, 5 bolts
6 sleeves, 61 sleeve bases
62 sleeve body, 63 bush whorls
7 thrusts ball bearing with flat seat, 8 spiral covers
81 through holes, 82 threaded holes
83 locking pins, 84 screws
85 spiral cover screw threads, 9 swivel eyes
91 sliding trays, 92 handles
10 stopper rings
Embodiment
Below in conjunction with accompanying drawing a preferred embodiment of the present utility model is described in further detail, to understand feature and advantage of the present utility model better.
Referring to Fig. 3, the play value device that is used for the double row tapered roller dynamic bearing of the present utility model comprises sleeve 6, and this sleeve 6 is made up of base 61 and body 62, and controlled double row tapered roller dynamic bearing 1,2 is sleeved on this base 61; One hold down gag, it is set on the body 62 of sleeve 6 and is positioned at the top of rolling bearing 1,2, and this hold down gag and sleeve 6 are fastenedly connected to compress rolling bearing 1,2; And an auxiliary clamping device, it is set in this hold down gag top and is connected with described hold down gag.
In the preferred embodiment, described hold down gag is a spiral cover 8, and described auxiliary clamping device is a swivel eye 9, and advantageously with these swivel eye 9 cover part spiral covers 8.Certainly also this swivel eye 9 directly can be covered spiral cover 8 fully, this depends on whether the employed material of swivel eye has enough deadweights, and with during measured value, it is difficult for coming off from sleeve in the time of with spiral cover 8 auxiliary compressing.Adopt being provided with in the preferred embodiment to be beneficial to and take into account the function that swivel eye can not come off and can freely rotate, promptly selectively a stopper ring 10 is set in the top of swivel eye 9.Preferably, described stopper ring 10 usefulness screws 84 are fixed on the described spiral cover 8.Alternatively, described stopper ring 10 also can directly be threaded with sleeve 6.
Spiral cover 8 and sleeve 6 circumferentially are connected by locking pin 83 with swivel eye 9 by being threaded.Described locking pin 83 runs through the through hole 81 that is provided with on the spiral cover 8 and extend in the sliding tray 91 that is equipped with on the swivel eye 9, by in sliding tray 91, sliding and assisting the effect of the power of applying to give spiral cover 8 with the end sides generation bump of sliding tray 91, thereby help tightening or unclamping of spiral cover 8, the process that should auxiliary apply power applies and finishes by evenly being arranged on handle 92 on the swivel eye 9, and its principle of work will be explained below.
Advantageously, between the base 61 of rolling bearing 1,2 and described sleeve 6, also be equiped with a plane rolling bearing or thrust ball bearing with flat seat 7.The use of this thrust ball bearing 7 helps can imitating the duty that is adjusted rolling bearing when value, and is more accurate to guarantee the play value of measuring.In addition, this thrust ball bearing 7 can also be distinguished the quality that is adjusted rolling bearing: after spiral cover 8 is compacted, but the bearing 2 that is positioned at the below is in free rotation state, because existing load, but manual force makes this free bearing 2 rotations, differentiate the quality of bearing 2 by the method for " distinguish its sound, see its shape ", will can distinguish another bearing 1 behind the metal (upper transposition.
The structure and the principle of work thereof of spiral cover 8 and swivel eye 9 are described respectively below with reference to Fig. 4-7.At first, with reference to Fig. 4 and Fig. 5, circumferential uniform two through holes 81 are to cooperate locking pin 83 on spiral cover 8, in addition, can be in conjunction with Fig. 3, be provided with on the inwall of spiral cover 8 screw thread 85 with sleeve 6 bodies 62 on screw thread 63 be connected, and also evenly be provided with threaded hole 82 at an upper portion thereof to be connected by screw 84 and stopper ring 10.
With reference to Fig. 6 and 7, and in conjunction with Figure 4 and 5, uniform two sliding trays 91 in the position of corresponding locking pin 83 on swivel eye 9.When control crank 92 rotates this swivel eye 9, locking pin 83 extend in the sliding tray 91 part respectively with the end 911 of sliding tray 91,911 ', 912, clash into two ends in 912 ', and by locking pin power is sent on the spiral cover, rotatably compress or loosen controlled rolling bearing thereby drive spiral cover 8.When for example swivel eye 9 up times being rotated, two locking pins 83 clash into the end 911 ' and 912 of sliding tray 91 respectively, thereby impose on locking pin and therefore be sent on the spiral cover the power of up time direction is auxiliary, make spiral cover also up time rotate to reach the effect of tightening.Vice versa.Adopt this application of force method can allow compressing of spiral cover more all even closely, and the application of force is controlled.
Also can adopt the sliding tray 91 of three or four locking pins 83 and respective numbers, but preferred in the present embodiment two locking pins and two sliding trays make that the stroke of locking pin in sliding tray is the longest, it is also maximum to adjust the scope that compresses or loosen.
Adopt this preferred value device to realize can being described below with reference to Fig. 3 to the process of rolling bearing play adjustment:
1, thrust ball bearing 7 is enclosed within on the base 61 of sleeve 6;
2, double row tapered roller dynamic bearing 1,2 to be measured is placed on the thrust ball bearing 7;
3, screw in spiral cover 8, and put swivel eye 9, both connect by locking pin 83;
4, stopper ring 10 is connected with spiral cover 8 by screw 84;
5, rotation swivel eye 9 is to compress rolling bearing 1,2 to be measured, the internal clearance when eliminating rolling bearing 1,2 free state;
6, the distance L 1 between measurement rolling bearing 1,2 outer ring.
7, according to the L1 value, add the required play of double row tapered roller dynamic bearing (being generally 0.08mm-0.10mm), promptly obtain the Rational Thickness of the play adjustment circle of need reconditioning.
As can be seen, the utility model value device is not only simple in structure, easy operation, and owing to adopt sleeve as main body, and miscellaneous part and be adjusted rolling bearing and all be assemblied on this sleeve was compared with former adjusting gear and is had constitutionally stable characteristics; The mode that adopts spiral cover to compress can guarantee effectively the homogeneity of the gland application of force to make the measurement of spacing L1 value abandon the process that in the past needs repeatedly measurement to average that measurement result is more accurate; Adopt the auxiliary mode that compresses of swivel eye, application of force controlled amount when operating personnel operate, method more in the past can be controlled firmly size effectively, have guaranteed the science that the L1 value is measured.
Technology contents of the present utility model and technical characterstic disclose as above, yet are appreciated that under creative ideas of the present utility model, those skilled in the art can make various changes and modifications to said structure, but all belong to protection domain of the present utility model.The description of the foregoing description is exemplary rather than restrictive, and protection domain of the present utility model is determined by claim.
Claims (8)
1. double row tapered roller dynamic bearing play value device is characterized in that this value device comprises:
Sleeve with base, rolling bearing are sleeved on this base;
Hold down gag is set on the sleeve and is positioned at rolling bearing top, and wherein, this hold down gag and sleeve are fastenedly connected; With
Auxiliary clamping device is set in this hold down gag top and is connected with described hold down gag.
2. value device according to claim 1 is characterized in that, also is equiped with a plane rolling bearing between rolling bearing and described base.
3. value device according to claim 1 and 2, it is characterized in that, described hold down gag is a spiral cover, its with described sleeve by being threaded, circumferentially be connected by at least two locking pins with described auxiliary clamping device, and on described spiral cover, be provided with the through hole that cooperates with described locking pin.
4. value device according to claim 3 is characterized in that described auxiliary clamping device is a swivel eye, uniform at least two sliding trays that cooperate with described locking pin on it.
5. value device according to claim 4 is characterized in that, also evenly is provided with at least two handles on the described swivel eye.
6. value device according to claim 5 is characterized in that, also is being provided with the stopper ring that is set on the described sleeve above the described swivel eye.
7. value device according to claim 6 is characterized in that, the described spiral cover in described swivel eye cover part, and described stopper ring is screwed on described spiral cover.
8. value device according to claim 6 is characterized in that described stopper ring is connected with bush whorl.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200715813U CN201053861Y (en) | 2007-06-25 | 2007-06-25 | Double row conical rolling bearing clearance valve device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200715813U CN201053861Y (en) | 2007-06-25 | 2007-06-25 | Double row conical rolling bearing clearance valve device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201053861Y true CN201053861Y (en) | 2008-04-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200715813U Expired - Fee Related CN201053861Y (en) | 2007-06-25 | 2007-06-25 | Double row conical rolling bearing clearance valve device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201053861Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101957163A (en) * | 2010-08-11 | 2011-01-26 | 洛阳轴研科技股份有限公司 | Method for measuring axial clearance and preloading chearance of face-to-face angular contact ball bearing |
| CN102022965A (en) * | 2010-10-23 | 2011-04-20 | 瓦房店轴承集团有限责任公司 | Device for measuring axial internal clearance of matched angular contact ball bearing |
| CN101929830B (en) * | 2009-06-19 | 2012-02-29 | 宝山钢铁股份有限公司 | Method for measuring gap between bearings of roll shafts of pinch rolls |
| CN102384171A (en) * | 2011-11-21 | 2012-03-21 | 宝鸡石油机械有限责任公司 | Method for adjusting windage of double-row self-aligning roller bearing in dissection-type bearing support |
| CN103090761A (en) * | 2011-10-29 | 2013-05-08 | 洛阳市洛凌轴承科技股份有限公司 | Measuring table with self load |
| CN103363915A (en) * | 2013-07-04 | 2013-10-23 | 西安航天动力机械厂 | Wall thickness monitoring device and method for reverse-rotation forming cylinder |
| CN113294433A (en) * | 2021-05-06 | 2021-08-24 | 洛阳轴承研究所有限公司 | Thrust bearing group for screw drill and grinding method thereof |
-
2007
- 2007-06-25 CN CNU2007200715813U patent/CN201053861Y/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101929830B (en) * | 2009-06-19 | 2012-02-29 | 宝山钢铁股份有限公司 | Method for measuring gap between bearings of roll shafts of pinch rolls |
| CN101957163A (en) * | 2010-08-11 | 2011-01-26 | 洛阳轴研科技股份有限公司 | Method for measuring axial clearance and preloading chearance of face-to-face angular contact ball bearing |
| CN101957163B (en) * | 2010-08-11 | 2011-12-21 | 洛阳轴研科技股份有限公司 | Method for measuring axial clearance and preloading chearance of face-to-face angular contact ball bearing |
| CN102022965A (en) * | 2010-10-23 | 2011-04-20 | 瓦房店轴承集团有限责任公司 | Device for measuring axial internal clearance of matched angular contact ball bearing |
| CN102022965B (en) * | 2010-10-23 | 2013-02-06 | 瓦房店轴承集团有限责任公司 | Device for measuring axial internal clearance of matched angular contact ball bearing |
| CN103090761A (en) * | 2011-10-29 | 2013-05-08 | 洛阳市洛凌轴承科技股份有限公司 | Measuring table with self load |
| CN102384171A (en) * | 2011-11-21 | 2012-03-21 | 宝鸡石油机械有限责任公司 | Method for adjusting windage of double-row self-aligning roller bearing in dissection-type bearing support |
| CN102384171B (en) * | 2011-11-21 | 2013-09-25 | 宝鸡石油机械有限责任公司 | Method for adjusting windage of double-row self-aligning roller bearing in dissection-type bearing support |
| CN103363915A (en) * | 2013-07-04 | 2013-10-23 | 西安航天动力机械厂 | Wall thickness monitoring device and method for reverse-rotation forming cylinder |
| CN103363915B (en) * | 2013-07-04 | 2015-09-23 | 西安航天动力机械厂 | A kind of wall thickness monitoring device of Forming of backward spinning cylinder and monitoring method |
| CN113294433A (en) * | 2021-05-06 | 2021-08-24 | 洛阳轴承研究所有限公司 | Thrust bearing group for screw drill and grinding method thereof |
| CN113294433B (en) * | 2021-05-06 | 2023-08-11 | 洛阳轴承研究所有限公司 | Thrust bearing group for screw drilling tool and grinding method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080430 Termination date: 20130625 |