CN106461057B - The decomposition method of geared system - Google Patents
The decomposition method of geared system Download PDFInfo
- Publication number
- CN106461057B CN106461057B CN201580027346.3A CN201580027346A CN106461057B CN 106461057 B CN106461057 B CN 106461057B CN 201580027346 A CN201580027346 A CN 201580027346A CN 106461057 B CN106461057 B CN 106461057B
- Authority
- CN
- China
- Prior art keywords
- ball bearing
- gear
- axial
- pinion gear
- box
- Prior art date
- 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.)
- Expired - Fee Related
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Classifications
-
- 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
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
- Rolling Contact Bearings (AREA)
- Mounting Of Bearings Or Others (AREA)
Abstract
A kind of decomposition method of geared system, the geared system is constituted are as follows: on the gear shaft (4) for being fixed with the pinion gear (3) engaged with the gear wheel (2) in gear-box (1), the cylinder roller bearing (5) and ball bearing (6) for being located at the axial side position and another side position of pinion gear are installed, the decomposition method of the geared system include: by the ball bearing case (8) of the outer outer ring embedded in ball bearing from gear-box (1) remove and by ball bearing, gear shaft and pinion gear are retracted to the outside of gear-box together with ball bearing case, the process that ball bearing is separated from gear shaft in this state；Ball bearing can be separated from gear shaft without the inner ring setting withdrawing in ball bearing with stage portion in this way.It uses: the fixture (9) with multiple push rods (91) corresponding with multiple through-holes (31) that formed on pinion gear (3), push rod (91) is inserted in through-hole (31) from the axial side of pinion gear (3) and abuts it with the end face of the inner ring (61) of ball bearing (6), it utilizes push rod (91), inner ring (61) is pressed to the axial other side relative to gear shaft (4), so that ball bearing (6) be separated from gear shaft (4).
Description
Technical field
The present invention relates to the decomposition methods of geared system used in rolling stock etc..
Background technique
In rolling stock, in order to which the power from main motor is transmitted to drive shaft, and geared system is used,
In the geared system be accommodated in gear-box: be fixed on the gear wheel of drive shaft and be fixed on and connect with main motor
Gear shaft and the pinion gear that is engaged with gear wheel.
In the past, it as this geared system, following geared system as known to patent document 1: is equipped on gear shaft
Carry the cylinder roller bearing of radial load positioned at the axial side of pinion gear and positioned at the axial other side of pinion gear and
The ball bearing of radial load and axial load is carry, and the opening of the sidewall portion in the axial side of gear-box is equipped with
The roller bearing case of the outer outer ring embedded in cylinder roller bearing, in the opening installation of the sidewall portion of the axial other side of gear-box
There is the ball bearing case of the outer outer ring embedded in ball bearing.
Herein, in the decomposition of geared system, if roller bearing case removed from gear-box, the outer ring of roller bearing
It is separated together with roller bearing case from gear shaft, it then, can be with the end of the pinion gear side of the inner ring of roller bearing using having
The fixture of the pawl of face engaging, it will be able to separate the inner ring of roller bearing from gear shaft together with roller.But ball axis
The inner ring and outer ring held be connected to by ball it is motionless in the axial direction, therefore, even if ball bearing case is removed from gear-box,
Ball bearing, gear shaft and pinion gear can be only retracted to the outside of gear-box together with ball bearing case, can not will be rolled
The outer ring of pearl bearing is separated from gear shaft.
Therefore, in the geared system of above-mentioned previous example, the inner ring of ball bearing is axially being divided into 2 parts, it is outside in axis
One half part of the inner ring setting of side outside withdrawing stage portion outstanding in the axial direction also than outer ring.It is hooked on as a result, by fixture
By axially external one half part of inner ring from gear shaft withdrawing in the state of in stage portion, then, by ball bearing case from gear
Case removes, and in this way can separate the outer ring of ball bearing and ball from gear shaft together with ball bearing case.
But if withdrawing stage portion is arranged in the inner ring of ball bearing in this way, the axial dimension of ball bearing increases
Greatly, so that geared system is enlarged.
Patent document
Patent document 1: Japanese Unexamined Patent Publication 9-119511 bulletin (paragraph 0020,0023)
Summary of the invention
The present invention puts in view of the above problems and completes, and project is to provide a kind of without in ball bearing
The decomposition method for the geared system that circle setting withdrawing can be separated ball bearing from gear shaft with stage portion.
In order to solve the above problems, the present invention is a kind of decomposition method of geared system, which is constituted are as follows: solid
Surely on the gear shaft for having the pinion gear engaged with the gear wheel in gear-box, the axial side position positioned at pinion gear is installed and
Carry radial load cylinder roller bearing and positioned at pinion gear another side position of axial direction and carry radial load and axial carry
The ball bearing of lotus, and the opening of the sidewall portion in the axial side of gear-box is equipped with outside embedded in the outer of cylinder roller bearing
The roller bearing case of circle is equipped with the outer outer ring for being embedded in ball bearing in the opening of the sidewall portion of the axial other side of gear-box
Ball bearing case；The decomposition method of the geared system includes: to remove ball bearing case from gear-box and by ball bearing, tooth
Wheel shaft and pinion gear are retracted to the outside of gear-box together with ball bearing case, in this state by ball bearing from gear shaft
The process separated, which is characterized in that circumferentially exist in pinion gear and alternately form multiple inner rings in face of ball bearing
End face axially extending bore, using the fixture with multiple push rods corresponding with these through-holes, by these push rods from pinion gear
Axial side is inserted in through-hole and abuts it with the end face of the inner ring of ball bearing, using push rod, by the inner ring of ball bearing
It is pressed to the axial other side relative to gear shaft, so that ball bearing be separated from gear shaft.
It according to the present invention, can be by ball axis using the fixture with the push rod for being inserted in the through-hole formed in pinion gear
It holds from gear shaft and separates.It is therefore not necessary to which withdrawing stage portion is arranged in the inner ring in ball bearing, rolling can be avoided
The axial dimension of pearl bearing increases the enlargement of caused geared system.
Detailed description of the invention
Fig. 1 is the sectional view of the major part of the geared system decomposed with method of the invention.
Fig. 2 (a) (b) (c) is the explanatory diagram for indicating each process of method of embodiments of the present invention.
Specific embodiment
Referring to Fig.1, the gear-box of geared system used in 1 expression rolling stock.It is accommodated in gear-box 1: fixed
Gear wheel 2 in the drive shaft that the illustration is omitted and the pinion gear 3 that is engaged with gear wheel 2.Pinion gear 3 is solid to be interference fitted
It is scheduled on: on the gear shaft 4 being connect by flexible shaft coupling with the main motor that the illustration is omitted.In addition, gear wheel 2 and small tooth
Wheel 3 is made of helical gear, and axial load acts on each gear 2,3 together with radial load.
Be equipped on gear shaft 4: positioned at pinion gear 3 an axial side position and carry the cylindrical roller axis of radial load
Hold 5 and positioned at pinion gear 3 another side position of axial direction and carry 4 point-contact types or 3 point contacts of radial load and axial load
The ball bearing 6 of type.Cylinder roller bearing 5 is provided with the cylinder kept by retainer 53 between inner ring 51 and outer ring 52
Roller 54, and inner ring 51 is embedded in gear shaft 4 to be interference fitted outside state.In addition, ball bearing 6 is between inner ring 61 and outer ring 62
It is provided with the spherical ball 64 kept by retainer 63, and inner ring 61 is embedded in gear shaft 4 to be interference fitted outside state.In addition,
In present embodiment, cylinder roller bearing 5 is mounted on to the shaft end side of gear shaft 4, but it is also possible to which ball bearing 6 is installed
In the shaft end side of gear shaft 4.
It is formed in the sidewall portion 11,12 of the axial sides of gear-box 1: diameter opening 11a, 12a bigger than pinion gear 3.
Also, installed at the opening 11a of the sidewall portion 11 of the axial side of gear-box 1: being embedded in cylinder rolling to be interference fitted outside state
The roller bearing case 7 of the outer ring 52 of sub- bearing 5, in addition, at the opening 12a of the sidewall portion 12 of the axial other side of gear-box 1
Installation: the ball bearing case 8 to be interference fitted the outer ring 62 for being embedded in ball bearing 6 outside state.It is outside in the axis of ball bearing case 8
Side is equipped with: bearing cap 81 and tegillum 82, is installed in the part of the gear shaft 4 surrounded by these bearing caps 81 and tegillum 82: anti-
The only oil retaining part part 41 of the tubular of the oil leakage in gear-box 1.
In addition, circumferentially there is the end face for alternately forming multiple inner rings 61 in face of ball bearing 6 in pinion gear 3
Through-hole 31.
When decomposing geared system, firstly, roller bearing case 7 is removed from gear-box 1 as shown in Fig. 2 (a).At this point, circle
The outer ring 52 of column roller bearing 5 and roller bearing case 7 are together by withdrawing, therefore, later can be from rolling using fixture appropriate
Sub- bearing housing 7 removes outer ring 52.
Next, successively remove tegillum 82 and bearing cap 81, then, as shown in Fig. 2 (b), by ball bearing case 8 from gear
Case 1 removes, so that ball bearing 6, gear shaft 4 and pinion gear 3 and ball bearing case 8 are retracted to the outer of gear-box 1 together
Portion.In addition, due to being embedded in gear shaft 4 outside the inner ring 51 of cylinder roller bearing 5, so using: having after extracting gear shaft 4 out
The fixture for the pawl that can be engaged with the end face of 3 side of pinion gear of inner ring 51, by inner ring 51 and roller 54 under the separation of gear shaft 4
Come.
Next, being used as shown in Fig. 2 (c): having multiple corresponding with multiple through-holes 31 that are being formed in pinion gear 3 push away
These push rods 91 (are equipped with side, Fig. 2 (c) of cylinder roller bearing 5 from the axial side of pinion gear 3 by the fixture 9 of bar 91
Lower section) be inserted in through-hole 31 and abut it with the end face of the inner ring 61 of ball bearing 6.Then, using push rod 91 by ball
The inner ring 61 of bearing 6 is pressed to the axial other side (top of Fig. 2 (c)) relative to gear shaft 4, thus by ball bearing 6 and rolling
Pearl bearing housing 8 and oil retaining part part 41 are separated from gear shaft 4 together.Then, Fig. 2 of the outer ring 62 with ball bearing 6 is utilized
(c) clamp cylinder that the end face of lower section abuts in, outer ring 62 is pushed upwards relative to ball bearing case 8, thus by ball
Bearing 6 is separated from ball bearing case 8.
Decomposition method according to the present embodiment uses: having the push rod 91 for being inserted in the through-hole 31 formed in pinion gear 3
Fixture 9, ball bearing 6 can be separated from gear shaft 4.It is therefore not necessary to as previous example in ball bearing 6
61 setting withdrawing stage portion of circle, so as to avoid the axial dimension of ball bearing 6 from increasing caused gear dress
The enlargement set.
Symbol description
1 ... gear-box, 11,12 ... sidewall portions, 11a, 12a ... opening, 2 ... gear wheels, 3 ... pinion gears, 31 ... through-holes,
4 ... gear shafts, 5 ... cylinder roller bearings, 6 ... ball bearings, 51,61 ... inner rings, 52,62 ... outer rings, 7 ... roller bearing casees,
8 ... ball bearing casees, 9 ... fixtures, 91 ... push rods.
Claims (1)
1. a kind of decomposition method of geared system, which is constituted are as follows: is engaged being fixed with the gear wheel in gear-box
Pinion gear gear shaft on, the axial side position positioned at pinion gear is installed and carries the cylindrical roller axis of radial load
Hold and positioned at pinion gear another side position of axial direction and carry the ball bearing of radial load and axial load, and in gear-box
The opening of sidewall portion of axial side the roller bearing case of the outer outer ring embedded in cylinder roller bearing is installed, in gear-box
The opening of sidewall portion of the axial other side ball bearing case of the outer outer ring embedded in ball bearing is installed,
The decomposition method of the geared system include: by ball bearing case removed from gear-box and by ball bearing, gear shaft and
Pinion gear is retracted to the outside of gear-box together with ball bearing case, in this state separates ball bearing from gear shaft
Process, which is characterized in that
Circumferentially there is the axially extending bore for the end face for alternately forming multiple inner rings in face of ball bearing in pinion gear, uses tool
There are multiple push rods corresponding with these through-holes and can be abutted and making each push rod pass through a corresponding through-hole for pinion gear
In the end face of the inner ring of ball bearing come the fixture that is pushed, each push rod is inserted in from the axial side of pinion gear corresponding
One through-hole and abut it with the end face of the inner ring of ball bearing, using push rod, by the inner ring of ball bearing relative to gear
Axis is pressed to the axial other side, so that ball bearing be separated from gear shaft, then, utilizes the outer ring with ball bearing
The clamp cylinder that the end face of the axial other side abuts, by outer ring, relative to ball bearing case, the other side is pushed in the axial direction, thus will
The outer ring of ball bearing is separated from ball bearing case.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014-132325 | 2014-06-27 | ||
| JP2014132325 | 2014-06-27 | ||
| PCT/JP2015/002885 WO2015198544A1 (en) | 2014-06-27 | 2015-06-09 | Method for disassembling gear device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106461057A CN106461057A (en) | 2017-02-22 |
| CN106461057B true CN106461057B (en) | 2019-11-12 |
Family
ID=54937655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580027346.3A Expired - Fee Related CN106461057B (en) | 2014-06-27 | 2015-06-09 | The decomposition method of geared system |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6455894B2 (en) |
| CN (1) | CN106461057B (en) |
| WO (1) | WO2015198544A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016213997A1 (en) * | 2016-07-29 | 2018-02-01 | Voith Patent Gmbh | Gearboxes and methods of assembly |
| CN107009439B (en) * | 2017-05-03 | 2021-11-05 | 青岛铠硕机械科技有限公司 | Feeding worm gear box for automatic planing and sawing machine |
| US10305015B1 (en) | 2017-11-30 | 2019-05-28 | International Business Machines Corporation | Low loss architecture for superconducting qubit circuits |
| CN110589469A (en) * | 2019-09-19 | 2019-12-20 | 东莞市桩本自动化机械设备有限公司 | Aluminum profile mounting seat structure of transfer mechanism |
| JP7433526B2 (en) | 2021-06-04 | 2024-02-19 | 三菱電機株式会社 | Gear device, bearing removal device, and bearing removal method |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60114329U (en) * | 1984-01-10 | 1985-08-02 | 東洋電機製造株式会社 | gear system |
| JPH1110553A (en) * | 1997-06-27 | 1999-01-19 | Hitachi Building Syst Co Ltd | Bearing exchange device for pulley shaft for governor |
| JP2005273736A (en) * | 2004-03-24 | 2005-10-06 | Koyo Seiko Co Ltd | Pulley unit and dry type continuously variable transmission |
| CN101085515A (en) * | 2006-06-09 | 2007-12-12 | 中国第二十冶金建设公司 | Method for replacing bearing of working mechanism driving medium |
| CN201560901U (en) * | 2009-11-12 | 2010-08-25 | 南车戚墅堰机车车辆工艺研究所有限公司 | Wind power generation speed-increasing gear box |
| KR20120019587A (en) * | 2010-08-26 | 2012-03-07 | 한전케이피에스 주식회사 | A ball bearing withdraw device |
| CN103195913B (en) * | 2013-03-27 | 2015-10-28 | 南车戚墅堰机车车辆工艺研究所有限公司 | Rail traffic vehicle gear box |
-
2015
- 2015-06-09 WO PCT/JP2015/002885 patent/WO2015198544A1/en active Application Filing
- 2015-06-09 CN CN201580027346.3A patent/CN106461057B/en not_active Expired - Fee Related
- 2015-06-09 JP JP2016529014A patent/JP6455894B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015198544A1 (en) | 2015-12-30 |
| JP6455894B2 (en) | 2019-01-23 |
| JPWO2015198544A1 (en) | 2017-04-20 |
| CN106461057A (en) | 2017-02-22 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191112 |