CN103925356A - Rolling bearing pretension force adjusting device and method - Google Patents
Rolling bearing pretension force adjusting device and method Download PDFInfo
- Publication number
- CN103925356A CN103925356A CN201410123099.4A CN201410123099A CN103925356A CN 103925356 A CN103925356 A CN 103925356A CN 201410123099 A CN201410123099 A CN 201410123099A CN 103925356 A CN103925356 A CN 103925356A
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- CN
- China
- Prior art keywords
- bearing
- gib block
- hollow sleeve
- chamfered edge
- outer ring
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B33/00—Hand tools not covered by any other group in this subclass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H2057/0062—Tools specially adapted for assembly of transmissions
Abstract
The invention discloses a rolling bearing pretension force adjusting device which comprises a round guide bar, a handle cone head screw rod, a trimming hollow sleeve and two tension bolts. A method includes: screwing the two tension bolts into end-face threaded holes of a bevel gear housing, unscrewing the handle cone head screw rod to a certain height to be placed into the trimming hollow sleeve, enabling the trimming hollow sleeve to be in contact with an outer ring of a tapered roller bearing, rotating the handle cone head screw rod, enabling a cone head to be in contact with an end-face positioning hole of the trimming hollow sleeve to provide appropriate pretension force to the tapered roller bearing, then placing a dial gage contact at the position of the outer ring of the bearing, rotating a big screw gear with hands, measuring a reading of the dial gage, rotating the big screw gear while rotating the cone head screw rod to apply downward pretension force to the bearing, observing a reading of a pointer of the dial gage, enabling the big screw gear to rotate freely without obvious retardation, observing till the reading of the pointer of the dial gauge has no apparent jump, enabling a rolling body and the outer ring of the bearing to be in close contact, and showing that the pretension force is appropriate when the rolling body is in a pure rolling state.
Description
Technical field
The present invention relates to construction machinery gear box field, particularly a kind of rolling bearing pretightening regulating device and method.
Background technique
The working principle of continuous casting machine fan-shaped segment planetary speed reducer is that helical bevel gear carries out primary speed-down, then carries out double reduction by a seniority among brothers and sisters star-wheel, finally by two-row planetary wheel, carries out three grades of decelerations again.Planetary reduction gear box body and inner transmitting assemblies are more, cause assembly error excessive, add parts machining and have error, make the two tapered roller bearing adjustment of planetary speed reducer one-level king bolt gear shaft terminal cannot reach high-precision requirement.Reason: 1. input shaft bearing and bevel gear casing two bearings mounting hole die misalignment; 2. closed high temperature operation is without fueling facility insufficient lubrication; 3. while adjusting bearing play without counterweight pretightening force.
After fan-shaped section planetary speed reducer online assignment one-period, roll off the production line, king bolt gear shaft terminal two tapered roller bearings burn or seriously damage, and what have directly damages at operation process, causes that speed reducer is stuck not to be turned, after disintegrating, find that close component are impaired or scrap, causing any property loss.
Summary of the invention
The object of the invention is, in order to overcome the problems referred to above, provides a kind of rolling bearing pretightening regulating device and method.
For achieving the above object, the method that the present invention adopts is: a kind of rolling bearing pretightening regulating device, comprise circular gib block, handle conehead screw mandrel, chamfered edge hollow sleeve and two turnbuckles, described handle conehead screw mandrel is through the neutral position of described circular gib block, and be connected with described chamfered edge hollow sleeve, two described turnbuckles are separately positioned on the left and right sides of described circular gib block, its one end is connected and parallel and rotation within it with described circular gib block, and the other end is provided with connecting thread.
As a modification of the present invention, one end that described turnbuckle is connected with described circular gib block is a spherical structure.
A rolling bearing pretightening adjusting method, comprises the steps:
(1), first bevel gear box axon is held to hole end surface and clean neatly, two turnbuckles are packed into from circular gib block two ends respectively, parallel and rotation be freely in circular gib block for turnbuckle;
(2), then in the end-face helical hole of two turnbuckles screw-in bevel gear casings, now turnbuckle is not screwed in tapped hole completely, leaves 3-4 screw threads;
(3), again handle conehead leading screw 1 screwed in to circular gib block 2 neutral threaded hole to the auxiliary hole of king bolt gear shaft terminal and tighten, eliminating turnbuckle round end and circular gib block matching gap.
(4), with depth gauge, measure two turnbuckle height, the faces parallel of circular gib block and bevel gear casing can, by regulating any turnbuckle to realize, can make handle conehead leading screw active force more concentrated like this;
(5), handle conehead leading screw cycle certain altitude is put into chamfered edge hollow sleeve, chamfered edge hollow sleeve contacts with tapered roller bearing outer ring, rotatable handle conehead leading screw, and conehead contacts to the suitable pretightening force of tapered roller bearing with chamfered edge hollow sleeve end face positioning hole;
(6), again dial gauge contact is placed on to bearing outer ring position, rotate king bolt gear by hand, measure dial gauge reading;
(7) rotate king bolt gear, on one side, on one side rotating cone captacula bar to bearing, apply downward pretightening force, observe dial gauge total indicator reading simultaneously;
(8), king bolt gear rotation is freely without obviously blocking, dial gauge total indicator reading is without obviously beating, the rolling element of bearing and outer ring close contact, be in pure rolling state, pretightening force is suitable this moment;
(9), at the another side of chamfered edge cover chamfered edge, use electronic depth chi to measure bearing hole end face and bearing outer ring depth dimensions, and to deduct bearing (ball) cover height be adjusting play size.
Beneficial effect:
The present invention is simple in structure, easy to use, reliable, can apply rapidly pretightening force and guarantee all kinds of bearing rollers and raceway comprehensive engagement, during adjustment, apply monitoring, make bearing play adjustment more accurate, to combination bearing and act on axle bearings at both ends, gap is adjusted to all and can normally be used, make bearing play more accurate, impaired while avoiding repeating to adjust because of bearing, and reduce operating life.
Accompanying drawing explanation
Accompanying drawing 1 is rolling bearing pretightening regulating device structural representation of the present invention;
Accompanying drawing 2 is partial enlarged drawing of the present invention;
Accompanying drawing 3 is fan-shaped section planetary speed reducer rolling bearing pretightening regulating device using effect figure.
Description of symbols in figure: the circular gib block 3-of 1-handle conehead leading screw 2-turnbuckle, 4-chamfered edge hollow sleeve.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further illustrated;
Below in conjunction with embodiment and with reference to accompanying drawing, the invention will be further described, should understand following embodiment and only for the present invention is described, is not used in and limits the scope of the invention.It should be noted that, word 'fornt', 'back', " left side ", " right side ", "up" and "down" that use is described below refer to the direction in width figure, and word " interior " and " outward " refer to respectively the direction towards or away from specific features geometrical center.
A kind of rolling bearing pretightening regulating device as shown in Figure 1, comprise circular gib block 2, handle conehead screw mandrel 1, chamfered edge hollow sleeve 4 and two tension spiral shell 3 bolts, described handle conehead screw mandrel 1 is through the neutral position of described circular gib block 2, and be connected with described chamfered edge hollow sleeve 4, two described turnbuckles 3 are separately positioned on the left and right sides of described circular gib block 2, its one end is connected and parallel and rotation within it with described circular gib block 2, and the other end is provided with connecting thread.
Further, one end that described turnbuckle 3 is connected with described circular gib block 2 is a spherical structure, by spherical structure, can move at circular gib block 2.
As shown in Figures 2 and 3, the method for using said apparatus to adjust rolling bearing pretightening, comprises the steps:
First bevel gear box axon is held to hole end surface and clean neatly, two turnbuckles are packed into from circular gib block two ends respectively, parallel and rotation be freely in circular gib block for turnbuckle; Then two turnbuckles are screwed in the end-face helical hole of bevel gear casing, now turnbuckle is not screwed in tapped hole completely, leaves 3-4 screw threads; Again handle conehead leading screw 1 screwed in to circular gib block 2 neutral threaded hole to the auxiliary hole of king bolt gear shaft terminal and tighten, eliminating turnbuckle 3 round ends and circular gib block 2 matching gaps; With depth gauge, measure two turnbuckle height, the faces parallel of circular gib block and bevel gear casing can, by regulating any turnbuckle to realize, can make handle conehead leading screw 1 active force more concentrated like this; Handle conehead leading screw cycle certain altitude is put into chamfered edge hollow sleeve, and chamfered edge hollow sleeve contacts with tapered roller bearing outer ring, rotatable handle conehead leading screw, and conehead contacts to the suitable pretightening force of tapered roller bearing with chamfered edge hollow sleeve end face positioning hole; Again dial gauge contact is placed on to bearing outer ring position, rotates king bolt gear by hand, measure dial gauge reading; Rotate on one side king bolt gear, on one side rotating cone captacula bar to bearing, apply downward pretightening force, observe dial gauge total indicator reading simultaneously; The rotation of king bolt gear is freely without obviously retardance, and dial gauge total indicator reading is without obviously beating, and the rolling element of bearing and outer ring close contact, be in pure rolling state, and pretightening force is suitable this moment; Another side at chamfered edge cover chamfered edge is used electronic depth chi to measure bearing hole end face and bearing outer ring depth dimensions, and to deduct bearing (ball) cover height be adjusting play size.
Be in course of adjustment and do not need to dismantle rolling bearing pretightening regulating device.Small helical gear assembly is packed into bevel gear casing and rotates flange plate, observe dial gauge reading without extremely.If large small helical gear matching gap is excessive, release handle conehead leading screw 1 is fetched chamfered edge hollow sleeve 4 and dial gauge, hangs out bevel gear casing, at another place, tapered roller bearing outer ring of king bolt gear shaft, adds suitable spacer.Bevel gear casing is resetted fastening, put back to chamfered edge hollow sleeve 4 and dial gauge, rotatable handle conehead leading screw 1 applies pretightening force, rotate flange plate and observe dial gauge reading in critical field, be that available depth gauge is measured bevel gear casing end face and the tapered roller bearing outer ring degree of depth, measure fixedly end cap height of bearing, both differences are the gaps needing again.Adjust complete bearing pre-tightened regulating device, the fixedly end cap fetched.
For horizontal gear-box, also can use bearing pre-tightened regulating device, bearing (ball) cover is fastening.Select any one end symmetrical two bolts of back-outing, if what adjust is ball bearing, without chamfered edge hollow sleeve, turnbuckle 3 and circular gib block 2 assemblies are arranged in this end tapped hole, and running shaft makes ball bearing be close to pretension regulating device, opposite side fixedly dial gauge determine point position.Rotatable handle conehead leading screw 1 active force, in the auxiliary hole of axle and to dial gauge one side shifting, is observed dial gauge until pointer is motionless, and dial gauge reading is bearing play.
While using this rolling bearing pretightening regulating device, the pretightening force that rotatable handle conehead leading screw 1 gives necessarily can not be too tight or too loose.Use spiral principle has replaced originally directly up levering up or copper rod impacts mode, makes bearing play more accurate, impaired while avoiding bearing to repeat to adjust, and reduces operating life.
The above, be only preferred embodiment of the present invention, is not the present invention to be done to the restriction of any other form, and according to any modification or equivalent variations that technical spirit of the present invention is done, still belongs to the present invention's scope required for protection.
Claims (3)
1. a rolling bearing pretightening regulating device, it is characterized in that: comprise circular gib block, handle conehead screw mandrel, chamfered edge hollow sleeve and two turnbuckles, described handle conehead screw mandrel passes the neutral position of described circular gib block, and is connected with described chamfered edge hollow sleeve, and two described turnbuckles are separately positioned on the left and right sides of described circular gib block, its one end is connected and parallel and rotation within it with described circular gib block, and the other end is provided with connecting thread.
2. a kind of rolling bearing pretightening regulating device according to claim 1, is characterized in that: one end that described turnbuckle is connected with described circular gib block is a spherical structure.
3. a kind of rolling bearing pretightening adjusting method according to claim 1, is characterized in that: comprise the steps:
(1), first bevel gear box axon is held to hole end surface and clean neatly, two turnbuckles are packed into from circular gib block two ends respectively, parallel and rotation be freely in circular gib block for turnbuckle;
(2), then in the end-face helical hole of two turnbuckles screw-in bevel gear casings, now turnbuckle is not screwed in tapped hole completely, leaves 3-4 screw threads;
(3), again handle conehead leading screw screwed in to circular gib block neutral threaded hole to the auxiliary hole of king bolt gear shaft terminal and tighten, eliminating turnbuckle round end and circular gib block matching gap;
(4), with depth gauge, measure two turnbuckle height, the faces parallel of circular gib block and bevel gear casing is by regulating any turnbuckle to realize;
(5), handle conehead leading screw cycle certain altitude is put into chamfered edge hollow sleeve, chamfered edge hollow sleeve contacts with tapered roller bearing outer ring, rotatable handle conehead leading screw, and conehead contacts to the suitable pretightening force of tapered roller bearing with chamfered edge hollow sleeve end face positioning hole;
(6), again dial gauge contact is placed on to bearing outer ring position, rotate king bolt gear by hand, measure dial gauge reading;
(7) rotate king bolt gear, on one side, on one side rotating cone captacula bar to bearing, apply downward pretightening force, observe dial gauge total indicator reading simultaneously;
(8), king bolt gear rotation is freely without obviously blocking, dial gauge total indicator reading is without obviously beating, the rolling element of bearing and outer ring close contact, be in pure rolling state, pretightening force is suitable this moment;
(9), at the another side of chamfered edge cover chamfered edge, use electronic depth chi to measure bearing hole end face and bearing outer ring depth dimensions, and to deduct bearing (ball) cover height be adjusting play size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410123099.4A CN103925356B (en) | 2014-03-31 | 2014-03-31 | A kind of rolling bearing pretightening method of adjustment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410123099.4A CN103925356B (en) | 2014-03-31 | 2014-03-31 | A kind of rolling bearing pretightening method of adjustment |
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| Publication Number | Publication Date |
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| CN103925356A true CN103925356A (en) | 2014-07-16 |
| CN103925356B CN103925356B (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410123099.4A Active CN103925356B (en) | 2014-03-31 | 2014-03-31 | A kind of rolling bearing pretightening method of adjustment |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105414955A (en) * | 2015-11-24 | 2016-03-23 | 宿州市祁南工贸有限责任公司 | Compressing structure for shaft type pre-tightening bases |
| CN109839051A (en) * | 2019-03-26 | 2019-06-04 | 洛阳新强联回转支承股份有限公司 | A kind of determination method of three-row cylinder roller pitch variable bearings end-play |
| CN111173843A (en) * | 2018-11-09 | 2020-05-19 | 约翰迪尔（天津）有限公司 | Loading method, loading equipment and mounting method for pre-tightening force of rolling bearing |
| CN113251131A (en) * | 2021-05-19 | 2021-08-13 | 山东华成中德传动设备有限公司 | Preload adjusting method for tapered roller bearing of industrial gearbox |
| CN114323224A (en) * | 2020-09-29 | 2022-04-12 | 上海梅山钢铁股份有限公司 | Method for improving stability of panel of truck scale |
| CN114323224B (en) * | 2020-09-29 | 2024-05-10 | 上海梅山钢铁股份有限公司 | Method for improving stability of automobile balance panel |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3932206A1 (en) * | 1989-09-27 | 1991-04-04 | Boening Edith | Linear guide with pre-tensioning - consists of load key plate with guide pieces, rollers and bearings |
| CN103206462A (en) * | 2013-04-12 | 2013-07-17 | 株洲高精传动技术有限公司 | Bearing pre-tightening device |
| CN203115055U (en) * | 2013-03-01 | 2013-08-07 | 上海索达传动机械有限公司 | Speed changing box and bearing pre-tightening force adjusting device thereof |
-
2014
- 2014-03-31 CN CN201410123099.4A patent/CN103925356B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3932206A1 (en) * | 1989-09-27 | 1991-04-04 | Boening Edith | Linear guide with pre-tensioning - consists of load key plate with guide pieces, rollers and bearings |
| CN203115055U (en) * | 2013-03-01 | 2013-08-07 | 上海索达传动机械有限公司 | Speed changing box and bearing pre-tightening force adjusting device thereof |
| CN103206462A (en) * | 2013-04-12 | 2013-07-17 | 株洲高精传动技术有限公司 | Bearing pre-tightening device |
Non-Patent Citations (1)
| Title |
|---|
| 李志江: "基于滚动轴承游隙调整与预紧的研究", 《装备制造技术》, no. 6, 15 June 2011 (2011-06-15), pages 158 - 160 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105414955A (en) * | 2015-11-24 | 2016-03-23 | 宿州市祁南工贸有限责任公司 | Compressing structure for shaft type pre-tightening bases |
| CN111173843A (en) * | 2018-11-09 | 2020-05-19 | 约翰迪尔（天津）有限公司 | Loading method, loading equipment and mounting method for pre-tightening force of rolling bearing |
| CN109839051A (en) * | 2019-03-26 | 2019-06-04 | 洛阳新强联回转支承股份有限公司 | A kind of determination method of three-row cylinder roller pitch variable bearings end-play |
| CN114323224A (en) * | 2020-09-29 | 2022-04-12 | 上海梅山钢铁股份有限公司 | Method for improving stability of panel of truck scale |
| CN114323224B (en) * | 2020-09-29 | 2024-05-10 | 上海梅山钢铁股份有限公司 | Method for improving stability of automobile balance panel |
| CN113251131A (en) * | 2021-05-19 | 2021-08-13 | 山东华成中德传动设备有限公司 | Preload adjusting method for tapered roller bearing of industrial gearbox |
| CN113251131B (en) * | 2021-05-19 | 2022-05-20 | 山东华成中德传动设备有限公司 | Preload adjusting method for tapered roller bearing of industrial gearbox |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103925356B (en) | 2016-12-07 |
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