CN103925356B - A kind of rolling bearing pretightening method of adjustment - Google Patents
A kind of rolling bearing pretightening method of adjustment Download PDFInfo
- Publication number
- CN103925356B CN103925356B CN201410123099.4A CN201410123099A CN103925356B CN 103925356 B CN103925356 B CN 103925356B CN 201410123099 A CN201410123099 A CN 201410123099A CN 103925356 B CN103925356 B CN 103925356B
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- bearing
- chamfered edge
- gib block
- hollow sleeve
- dial gauge
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Support Of The Bearing (AREA)
Abstract
The invention discloses a kind of rolling bearing pretightening adjusting apparatus, including circular gib block, handle conehead screw mandrel, chamfered edge hollow sleeve and two turnbuckles.Method includes in the end-face helical hole two turnbuckles screw-in bevel gear casings, handle conehead leading screw cycle certain altitude is put into chamfered edge hollow sleeve, chamfered edge hollow sleeve contacts with taper roll bearing outer ring, rotary handle conehead leading screw, conehead contacts the pretightning force suitable to taper roll bearing with hole, chamfered edge hollow sleeve end face location, again dial gauge contact is placed on bearing outer ring position, rotate king bolt gear by hand, measure dial gauge reading, while rotating king bolt gear, rotating cone captacula bar applies downward pretightning force to bearing on one side, observe dial gauge total indicator reading simultaneously, the rotatable nothing of king bolt gear substantially blocks, dial gauge total indicator reading is without substantially beating, the rolling element of bearing and outer ring are in close contact, it is in pure rolling state, pretightning force is suitable this moment.
Description
Technical field
The present invention relates to construction machinery gear box field, particularly to a kind of rolling bearing pretightening adjusting apparatus and method.
Background technology
The operation principle of continuous casting machine fan-shaped segment planetary reducer is that spiral bevel gear carries out primary speed-down, then is carried out double reduction by a seniority among brothers and sisters star-wheel, is carried out three grades of decelerations by two-row planetary wheel the most again.Planetary reduction gear cabinet bulk and internal drive assembly are more, cause rigging error excessive, add parts machining and there is error, make planetary reducer one-level king bolt gear shaft terminal two taper roll bearing adjust and are unable to reach high-precision requirement.Reason: 1. power shaft bearing and bevel gear casing two bearings installing hole die misalignment；2. closed high temperature operation is without fueling facility insufficient lubrication；3. without counterweight pretightning force during adjustment bearing clearance.
One all after date of fan-shaped section planetary reducer online assignment rolls off the production line, king bolt gear shaft terminal two taper roll bearing burns or seriously damages, and have directly damages at operation process, causes reductor card to stubbornly refuse to turn, find after disintegration that close parts are impaired or scrap, cause any property loss.
Summary of the invention
The invention aims to overcome the problems referred to above, it is provided that a kind of rolling bearing pretightening adjusting apparatus and method.
For reaching above-mentioned purpose, the method that the present invention uses is: a kind of rolling bearing pretightening adjusting apparatus, including circular gib block, handle conehead screw mandrel, chamfered edge hollow sleeve and two turnbuckles, described handle conehead screw mandrel is through the centre 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 with described circular gib block and can within it move in parallel and rotate, and the other end is provided with connection screw 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 kind of rolling bearing pretightening method of adjustment, comprises the steps:
(1), first being cleaned by bevel gear casing dead eye end face clean and tidy, loaded from circular gib block two ends respectively by two turnbuckles, turnbuckle moves in parallel with rotatable in circular gib block；
(2), then two turnbuckles screw in bevel gear casings end-face helical hole in, now turnbuckle is not fully screwed in screwed hole, leaves 34 screw threads；
(3) screw in circular gib block 2 neutral threaded hole, again by handle conehead screw mandrel 1 in the fabrication hole of king bolt gear shaft terminal and tighten, eliminate turnbuckle round end and circular gib block fit clearance.
(4), with depth indicator measuring two turnbuckle height, circular gib block can be realized by any one turnbuckle of regulation with the faces parallel of bevel gear casing, handle conehead screw mandrel active force so can be made more to concentrate；
(5), handle conehead screw mandrel cycle certain altitude being put into chamfered edge hollow sleeve, chamfered edge hollow sleeve contacts with taper roll bearing outer ring, rotary handle conehead screw mandrel, and conehead contacts the pretightning force suitable to taper roll bearing with hole, chamfered edge hollow sleeve end face location；
(6), again by dial gauge contact it is placed on bearing outer ring position, rotates king bolt gear by hand, measure dial gauge reading；
(7), while rotating king bolt gear, rotating cone captacula bar applies downward pretightning force to bearing, observes dial gauge total indicator reading simultaneously；
(8), the rotatable nothing of king bolt gear substantially block, dial gauge total indicator reading is without substantially beating, and the rolling element of bearing and outer ring are in close contact, and are in pure rolling state, and pretightning force is suitable this moment；
(9), use electronic depth chi measurement axis bearing bore end face and bearing outer ring depth dimensions at the another side of chamfered edge set chamfered edge, and deduct bearing (ball) cover height for adjusting gap size.
Beneficial effect:
Present configuration is simple, easy to use, reliable, pretightning force can be applied rapidly ensure all kinds of bearing rollers and raceway comprehensive engagement, monitoring is applied during adjustment, bearing clearance is adjusted more accurate, to combination bearing and act on axle bearings at both ends, gap is adjusted to all can normally use, makes bearing clearance more accurate, avoid because of impaired when bearing repeats to adjust, and reduce working life.
Accompanying drawing explanation
Accompanying drawing 1 is the rolling bearing pretightening adjusting apparatus 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 reducer rolling bearing pretightening adjusting apparatus using effect figure.
Description of symbols in figure: 1-handle conehead screw mandrel 2-circle gib block 3-turnbuckle, 4-chamfered edge hollow sleeve.
Detailed description of the invention
The present invention is further illustrated below in conjunction with the accompanying drawings；
Below in conjunction with embodiment and referring to the drawings the invention will be further described, it should be understood that following detailed description of the invention is merely to illustrate the present invention rather than limits the scope of the present invention.It should be noted that the word "front", "rear" used in describing below, "left", "right", "up" and "down" refer to the direction in width figure, word " interior " and " outward " refer respectively to the direction towards or away from particular elements geometric center.
A kind of rolling bearing pretightening adjusting apparatus as shown in Figure 1, including 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 centre 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 with described circular gib block 2 and can within it move in parallel and rotate, and the other end is provided with connection screw thread.
Further, one end that described turnbuckle 3 is connected with described circular gib block 2 is a spherical structure, can be moved at circular gib block 2 by spherical structure.
As shown in Figures 2 and 3, the method using said apparatus that rolling bearing pretightening is adjusted, comprise the steps:
First being cleaned by bevel gear casing dead eye end face clean and tidy, loaded from circular gib block two ends respectively by two turnbuckles, turnbuckle moves in parallel with rotatable in circular gib block；Then two turnbuckles being screwed in the end-face helical hole of bevel gear casing, now turnbuckle is not fully screwed in screwed hole, leaves 34 screw threads；Handle conehead screw mandrel 1 is screwed in circular gib block 2 neutral threaded hole in the fabrication hole of king bolt gear shaft terminal and tighten again, eliminate turnbuckle 3 round end and circular gib block 2 fit clearance；Measuring two turnbuckle height with depth indicator, circular gib block can be realized by any one turnbuckle of regulation with the faces parallel of bevel gear casing, handle conehead screw mandrel 1 active force so can be made more to concentrate；Handle conehead screw mandrel cycle certain altitude is put into chamfered edge hollow sleeve, and chamfered edge hollow sleeve contacts with taper roll bearing outer ring, rotary handle conehead screw mandrel, and conehead contacts the pretightning force suitable to taper roll bearing with hole, chamfered edge hollow sleeve end face location；Again dial gauge contact is placed on bearing outer ring position, rotates king bolt gear by hand, measure dial gauge reading；While rotating king bolt gear, rotating cone captacula bar applies downward pretightning force to bearing, observes dial gauge total indicator reading simultaneously；The rotatable nothing of king bolt gear substantially blocks, and dial gauge total indicator reading is without substantially beating, and the rolling element of bearing and outer ring are in close contact, and are in pure rolling state, and pretightning force is suitable this moment；Another side at chamfered edge set chamfered edge uses electronic depth chi measurement axis bearing bore end face and bearing outer ring depth dimensions, and deducts bearing (ball) cover height for adjusting gap size.
It is in course of adjustment and need not dismantle rolling bearing pretightening adjusting apparatus.Small helical gear assembly loaded bevel gear casing and rotates ring flange, observing dial gauge reading without exception.If big small helical gear fit clearance is excessive, then release handle conehead screw mandrel 1 fetches chamfered edge hollow sleeve 4 and dial gauge, hangs out bevel gear casing, adds suitable adjusting pad at another taper roll bearing outer ring of king bolt gear shaft.Reset fastening by bevel gear casing, put back to chamfered edge hollow sleeve 4 and dial gauge, rotary handle conehead screw mandrel 1 applies pretightning force, rotate ring flange and observe dial gauge reading in critical field, depth indicator is i.e. can use to measure bevel gear casing end face and the taper roll bearing outer ring degree of depth, measuring bearing again and fix end cap height, both differences are then the gaps needed.Adjust and complete fetch bearing pre-tightened adjusting apparatus, fixing end cap.
Bearing pre-tightened adjusting apparatus can also be used for horizontal gear-box, bearing (ball) cover is fastened.Any one end is selected to back-out symmetrical two bolts, if adjust is ball bearing, without chamfered edge hollow sleeve, turnbuckle 3 and circular gib block 2 assembly being arranged in this end screwed hole, rotary shaft makes ball bearing be close to pretension adjusting apparatus, fixes dial gauge at opposite side and determines point position.Rotary handle conehead screw mandrel 1 active force is in the fabrication hole of axle and to dial gauge one side shifting, and observation dial gauge is till pointer is motionless, and dial gauge reading is bearing clearance.
When using this rolling bearing pretightening adjusting apparatus, the pretightning force that rotary handle conehead screw mandrel 1 gives necessarily can not be too tight or too loose.Use spiral principle instead of originally directly up to lever up or copper rod impact method, make bearing clearance more accurate, it is to avoid bearing is impaired when repeating to adjust, and reduces working life.
The above, be only presently preferred embodiments of the present invention, is not the restriction that the present invention makees any other form, and any amendment made according to the technical spirit of the present invention or equivalent variations, still fall within scope of the present invention.
Claims (1)
1. a rolling bearing pretightening method of adjustment, it is characterized in that: described method of adjustment is based on a kind of rolling bearing pretightening adjusting apparatus, this device includes circular gib block, handle conehead screw mandrel, chamfered edge hollow sleeve and two turnbuckles, described handle conehead screw mandrel is through the centre 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 with described circular gib block and can within it move in parallel and rotate, the other end is provided with connection screw thread, one end that described turnbuckle is connected with described circular gib block is a spherical structure；Its method of adjustment comprises the steps:
(1), first being cleaned by bevel gear casing dead eye end face clean and tidy, loaded from circular gib block two ends respectively by two turnbuckles, turnbuckle moves in parallel with rotatable in circular gib block；
(2), then two turnbuckles screw in bevel gear casings end-face helical hole in, now turnbuckle is not fully screwed in screwed hole, leaves 34 screw threads；
(3) screw in circular gib block neutral threaded hole, again by handle conehead screw mandrel in the fabrication hole of king bolt gear shaft terminal and tighten, eliminate turnbuckle round end and circular gib block fit clearance；
(4), with depth indicator measuring two turnbuckle height, circular gib block is realized by any one turnbuckle of regulation with the faces parallel of bevel gear casing；
(5), handle conehead screw mandrel cycle certain altitude being put into chamfered edge hollow sleeve, chamfered edge hollow sleeve contacts with taper roll bearing outer ring, rotary handle conehead screw mandrel, and conehead contacts the pretightning force suitable to taper roll bearing with hole, chamfered edge hollow sleeve end face location；
(6), again by dial gauge contact it is placed on bearing outer ring position, rotates king bolt gear by hand, measure dial gauge reading；
(7), while rotating king bolt gear, rotating cone captacula bar applies downward pretightning force to bearing, observes dial gauge total indicator reading simultaneously；
(8), the rotatable nothing of king bolt gear substantially block, dial gauge total indicator reading is without substantially beating, and the rolling element of bearing and outer ring are in close contact, and are in pure rolling state, and pretightning force is suitable this moment；
(9), use electronic depth chi measurement axis bearing bore end face and bearing outer ring depth dimensions at the another side of chamfered edge set chamfered edge, and deduct bearing (ball) cover height for adjusting gap 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 CN103925356A (en) | 2014-07-16 |
| CN103925356B true CN103925356B (en) | 2016-12-07 |
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Families Citing this family (5)
| 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 |
| CN111173843B (en) * | 2018-11-09 | 2021-04-27 | 约翰迪尔（天津）有限公司 | Loading method, loading equipment and mounting method for pre-tightening force of rolling bearing |
| CN109839051B (en) * | 2019-03-26 | 2021-01-29 | 洛阳新强联回转支承股份有限公司 | Method for determining axial clearance of three-row cylindrical roller variable pitch bearing |
| 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 |
| 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 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| DE8911511U1 (en) * | 1989-09-27 | 1991-01-31 | Boening, Edith, 7410 Reutlingen, De | |
| 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 |
| CN103206462B (en) * | 2013-04-12 | 2015-08-19 | 株洲高精传动技术有限公司 | Bearing pre-tightening device |
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| CN103925356A (en) | 2014-07-16 |
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