CN108006081A - Latent oil retarder bearing pre-tightening structure and latent oil retarder - Google Patents

Latent oil retarder bearing pre-tightening structure and latent oil retarder Download PDF

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Publication number
CN108006081A
CN108006081A CN201711263184.0A CN201711263184A CN108006081A CN 108006081 A CN108006081 A CN 108006081A CN 201711263184 A CN201711263184 A CN 201711263184A CN 108006081 A CN108006081 A CN 108006081A
Authority
CN
China
Prior art keywords
bearing
latent oil
retarder
tightening structure
oil retarder
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.)
Pending
Application number
CN201711263184.0A
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Chinese (zh)
Inventor
戴维·李斯特·奥尔森
王斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhongsheng Initiative (tianjin) Technology Co Ltd
Original Assignee
Zhongsheng Initiative (tianjin) Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhongsheng Initiative (tianjin) Technology Co Ltd filed Critical Zhongsheng Initiative (tianjin) Technology Co Ltd
Priority to CN201711263184.0A priority Critical patent/CN108006081A/en
Publication of CN108006081A publication Critical patent/CN108006081A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C35/00Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/04Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
    • F16C35/06Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/02Gearboxes; Mounting gearing therein
    • F16H57/021Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2229/00Setting preload

Abstract

The present invention relates to latent oil retarder technical field, is related to latent oil retarder bearing pre-tightening structure and latent oil retarder.Latent oil retarder bearing pre-tightening structure middle (center) bearing support is connected by the cooperation of screw element and threaded hole and bearing block, to adjust the pretightning force of taper roller, screw-in depth by adjusting screw element and threaded hole can adjust pressure change of the bearing retainer to bearing inner race, so as to adjust the pressure of bearing outer ring pressure cone roller, wherein, bearing outer ring function is similar to voussoir, bearing retainer knocks in " voussoir ", " voussoir " side is bearing block, opposite side is taper roller, bearing block will not be subjected to displacement change, therefore " voussoir " meeting pressure cone roller is close to rotation axis, make between the two that there are pretightning force, when latent oil retarder works, as long as rotation axis contacts the normal work that can ensure bearing with taper roller, it is not in failure phenomenon.Latent oil retarder has above-mentioned advantage compared with prior art.

Description

Latent oil retarder bearing pre-tightening structure and latent oil retarder
Technical field
The present invention relates to latent oil retarder technical field, in particular to latent oil retarder bearing pre-tightening structure and dives Oily retarder.
Background technology
Bearing all uses roller bearing or ball bearing even in industry at present in the application of latent oil retarder class Alloy friction bearing pair.In the prior art, in retarder, generally installed using ball bearing or ball bearing, but due to The bearing capacity of bearing is too light (component of latent oil retarder all very littles, and latent oil retarder is vertically arranged in use), rolling Pin can not rotate, and rolling friction becomes sliding friction, so as to cause bearing failure.
Therefore it provides latent oil retarder bearing pre-tightening structure and latent oil retarder that a kind of bearing will not fail become ability Field technique personnel important technological problems to be solved.
The content of the invention
The first object of the present invention is to provide a kind of latent oil retarder bearing pre-tightening structure, to alleviate prior art axis Hold vulnerable technical problem.
In a first aspect, an embodiment of the present invention provides a kind of latent oil retarder bearing pre-tightening structure, including bearing block, bearing Outer ring, bearing inner race and taper roller;
The bearing outer ring axial end portion is provided with bearing retainer, and through hole, the bearing are provided with the bearing retainer Threaded hole is provided with seat, the bearing retainer is connected by the cooperation of screw element and threaded hole and the bearing block, to adjust The pretightning force of the taper roller.
With reference to first aspect, an embodiment of the present invention provides the first possible embodiment of first aspect, wherein, on State and the drive division contacted with the bearing outer ring and the adjustment portion contacted with the bearing block are provided with bearing retainer, the drive Dynamic portion is used for the pretightning force for adjusting the taper roller, and the drive division is set with the adjustment portion in angle.
With reference to first aspect, an embodiment of the present invention provides second of possible embodiment of first aspect, wherein, on State round-corner transition between drive division and the adjustment portion.
With reference to first aspect, an embodiment of the present invention provides the third possible embodiment of first aspect, wherein, on State and pretightning force gasket is provided between bearing retainer and the bearing block.
With reference to first aspect, an embodiment of the present invention provides the 4th kind of possible embodiment of first aspect, wherein, on State bearing block bottom and be provided with postive stop baffle for limiting the bearing outer ring displacement.
With reference to first aspect, an embodiment of the present invention provides the 5th kind of possible embodiment of first aspect, wherein, on State bearing block bottom and be provided with the postive stop baffle for limiting the bearing inner race displacement.
With reference to first aspect, an embodiment of the present invention provides the 6th kind of possible embodiment of first aspect, wherein, turn Backrest is provided with taper roller described in two groups on moving axis;
The limiting stand for limiting the bearing inner race displacement is provided with the rotation axis.
With reference to first aspect, an embodiment of the present invention provides the 7th kind of possible embodiment of first aspect, wherein, two The bearing inner race abuts, and the spacing ring for limiting the bearing inner race displacement is provided with the rotation axis.
With reference to first aspect, an embodiment of the present invention provides the 8th kind of possible embodiment of first aspect, wherein, two The bearing inner race is between the spacing ring and the limiting stand.
The second object of the present invention is to provide a kind of latent oil retarder, to alleviate the vulnerable skill of prior art middle (center) bearing Art problem.
Second aspect, the present invention provides a kind of latent oil retarder, including retarder body and the latent oil reducer shaft Hold pre-pressing structure;
The latent oil retarder bearing pre-tightening structure is arranged on the retarder body.
Beneficial effect:
An embodiment of the present invention provides a kind of latent oil retarder bearing pre-tightening structure, including bearing block, bearing outer ring, bearing Inner ring and taper roller, taper roller is between bearing outer ring and bearing inner race, and bearing outer ring is located on bearing block, in bearing Snare is set on the rotating shaft, wherein, bearing outer ring axial end portion is provided with bearing retainer, and through hole, axis are provided with bearing retainer Threaded hole is provided with bearing, bearing retainer is connected by the cooperation of screw element and threaded hole and bearing block, to adjust circular cone rolling The pretightning force of son, the screw-in depth by adjusting screw element and threaded hole can adjust bearing retainer and the pressure of bearing inner race become Change, so as to adjust the pressure of bearing outer ring pressure cone roller, wherein, bearing outer ring function is similar to voussoir, and bearing retainer is by " wedge Block " is knocked in, and " voussoir " side is bearing block, and opposite side is taper roller, and bearing block will not be subjected to displacement change, therefore " voussoir " Meeting pressure cone roller is close to rotation axis, makes between the two there are pretightning force, when latent oil retarder works, as long as rotation axis The normal work of bearing can be ensured by being contacted with taper roller, be not in failure phenomenon.
The present invention provides a kind of latent oil retarder, including retarder body and latent oil retarder bearing pre-tightening structure;It is latent Oily retarder bearing pre-tightening structure is arranged on retarder body, and latent oil retarder has above-mentioned excellent compared with prior art Gesture, details are not described herein again.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification Obtain it is clear that or being understood by implementing the present invention.The purpose of the present invention and other advantages are in specification, claims And specifically noted structure is realized and obtained in attached drawing.
To enable the above objects, features and advantages of the present invention to become apparent, preferred embodiment cited below particularly, and coordinate Appended attached drawing, is described in detail below.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution of the prior art Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in describing below Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor Put, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is a kind of embodiment structural representation of latent oil retarder bearing pre-tightening structure provided in an embodiment of the present invention Figure;
Fig. 2 is the another embodiment structural representation of latent oil retarder bearing pre-tightening structure provided in an embodiment of the present invention Figure;
Fig. 3 is the explosion diagram of latent oil retarder bearing pre-tightening structure provided in an embodiment of the present invention;
Fig. 4 is the structure diagram of latent oil retarder bearing pre-tightening structure middle (center) bearing support provided in an embodiment of the present invention;
Fig. 5 is the partial schematic diagram of latent oil retarder provided in an embodiment of the present invention.
Icon:100- bearing blocks;110- threaded holes;200- bearing outer rings;300- bearing inner races;400- circular cones roll Son;500- bearing retainers;510- through holes;520- screw elements;530- pretightning force gaskets;540- drive divisions;550- is adjusted Portion;600- rotation axis.
Embodiment
Technical scheme is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation Example is part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill Personnel's all other embodiments obtained without making creative work, belong to the scope of protection of the invention.
In the description of the present invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ", The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to Easy to describe the present invention and simplify description, rather than instruction or imply signified device or element must have specific orientation, With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ", " the 3rd " is only used for description purpose, and it is not intended that instruction or hint relative importance.
In the description of the present invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected;Can To be mechanical connection or be electrically connected;It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi Connection inside two elements.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this Concrete meaning in invention.
The present invention is described in further detail below through specific implementation examples and in conjunction with the accompanying drawings.
With reference to shown in figure 1- Fig. 5:
It should be noted that latent oil retarder is in when in use vertical state, bearing block 100, the bearing of inside are arranged on The axis of inner ring 300, bearing outer ring 200 and bearing retainer 500 is in vertical state, and defining upper-lower position with this state closes System.
An embodiment of the present invention provides a kind of latent oil retarder bearing pre-tightening structure, including bearing block 100, bearing outer ring 200th, bearing inner race 300 and taper roller 400;
200 axial end portion of bearing outer ring is provided with bearing retainer 500, and through hole 510, bearing are provided with bearing retainer 500 Threaded hole 110 is provided with seat 100, bearing retainer 500 is connected by cooperation of the screw element 520 with threaded hole 110 and bearing block 100 Connect, to adjust the pretightning force of taper roller 400.
An embodiment of the present invention provides a kind of latent oil retarder bearing pre-tightening structure, including bearing block 100, bearing outer ring 200th, bearing inner race 300 and taper roller 400, taper roller 400 is between bearing outer ring 200 and bearing inner race 300, bearing Outer ring 200 is located on bearing block 100, and bearing inner race 300 is set in rotation axis 600, wherein, 200 axial end portion of bearing outer ring Bearing retainer 500 is provided with, through hole 510 is provided with bearing retainer 500, threaded hole 110, bearing are provided with bearing block 100 Support 500 is connected by cooperation of the screw element 520 with threaded hole 110 and bearing block 100, to adjust the pretension of taper roller 400 Power, pressure of the bearing retainer 500 to bearing inner race 300 can be adjusted by adjusting screw element 520 and the screw-in depth of threaded hole 110 Power changes, so as to adjust the pressure of 200 pressure cone roller 400 of bearing outer ring, wherein, 200 function of bearing outer ring similar to voussoir, Bearing retainer 500 knocks in " voussoir ", and " voussoir " side is bearing block 100, and opposite side is taper roller 400, and bearing block 100 is not Change can be subjected to displacement, therefore " voussoir " can pressure cone roller 400 it is close to rotation axis 600, make between the two that there are pretension Power, when latent oil retarder works, as long as rotation axis 600 contacts the normal work that can ensure bearing with taper roller 400, no Failure phenomenon occurs.
(component of latent oil retarder all very littles and dive in use since the bearing capacity of bearing is too light in the prior art Oily retarder is vertically arranged), needle roller can not rotate, and rolling friction becomes sliding friction, so that bearing failure.And the present invention carries The embodiment of confession can apply pretightning force by bearing retainer 500 to taper roller 400, taper roller 400 is pressed to rotation axis 600, there are certain contact force between taper roller 400 and rotation axis 600, make when latent oil retarder works, 600 meeting of rotation axis Start to rotate, so as to drive conical bearing to rotate, avoid conical bearing failure unstable wear.
Moreover, conical bearing, pre- next, bearing inner race 300 is contacted with rotation axis 600, make the contour of conical bearing with turning The axis of moving axis 600 is parallel, avoids outer ring contact from giving the rigid power of axis, when caused by latent oil retarder inner planet gear precision When Axial and radial moves, it will not give planetary gear extra radial load.
Specifically, being provided with through hole 510 on bearing retainer 500, threaded hole 110, wherein screw thread are offered on bearing block 100 It can also be blind hole that hole 110, which can penetrate through, and screw element 520 is inserted into from the through hole 510 on bearing retainer 500, and on bearing block 100 Threaded hole 110 connect, a part for bearing retainer 500 is abutted with bearing outer ring 200, screw element 520 screw in threaded hole 110 During, screw element 520 can drive bearing retainer 500 to be moved towards bearing outer ring 200, and bearing outer ring 200 coordinates circular cone Roller 400, when bearing outer ring 200 is inwardly oppressed, taper roller 400 can be oppressed to rotation axis 600, so as to fulfill conical bearing Pretension work, ensure rotation axis 600 rotate during conical bearing can work normally.
Wherein, multiple through holes 510 are offered on bearing retainer 500, multiple threaded holes 110 are offered on bearing block 100, It in actual installation process, can be required according to specific pretightning force, connect multiple through holes 510 and threaded hole 110.
The pretension step of conical bearing includes:First bearing block 100 is installed on the housing of latent oil retarder, then by one Conical roller bearing backrest is installed in rotation axis 600, then whole rotation axis 600 is located with a pair of of conical roller bearing Onto bearing block 100, bearing retainer 500 is finally installed, adjusts pretightning force gasket 530, screws in screw element 520 (bolt), is applied Pretightning force.
In the alternative of the present embodiment, the drive division 540 contacted with bearing outer ring 200 is provided with bearing retainer 500 With the adjustment portion 550 contacted with bearing block 100, drive division 540 is used to adjusting the pretightning force of taper roller 400, drive division 540 with Adjustment portion 550 is set in angle.
In the alternative of the present embodiment, round-corner transition between drive division 540 and adjustment portion 550.
Drive division 540 and adjustment portion 550, both drive division 540 and adjustment portion 550 angles are provided with bearing retainer 500 Set, the mobile drive drive division 540 of adjustment portion 550 moves, and the mobile drive bearing outer ring 200 of drive division 540 moves, and realizes Pretension.
Specifically, being provided with drive division 540 and adjustment portion 550 on bearing retainer 500, through hole 510 is opened in adjustment portion 550 On, and drive division 540 and the axial cross section of adjustment portion 550 are in " angle steel " shape.
And start in assembling, after drive division 540 is abutted with bearing outer ring 200, the lower face of adjustment portion 550 will not be with bearing The upper surface contact of seat 100, ensures that adjustment portion 550 can move under the drive of screw element 520, so as to drive drive division 540 Move driving bearing outer ring 200 and move generation pretightning force.
During bearing outer ring 200 reaches maximum pretightning force under the action of drive division 540,550 lower face of adjustment portion All the time will not be with 100 end contact of bearing block, avoiding the occurrence of adjustment portion 550 does not have regulated quantity, and bearing outer ring 200 does not reach also To setting Pre strained state.
Wherein, drive division 540 and the junction round-corner transition of adjustment portion 550, avoid right angle from scratching rotation axis 600 and bearing Outer ring 200.
In the alternative of the present embodiment, pretightning force gasket 530 is provided between bearing retainer 500 and bearing block 100.
Specifically, if being not provided with pretightning force gasket 530, when applying pretightning force, adjustment portion 550 occurs outstanding Sky, easily occurs stuck phenomenon between adjustment portion 550 and drive division 540;Therefore between bearing retainer 500 and bearing block 100 Pretightning force gasket 530 is set, and in the connection procedure of screw element 520 and threaded hole 110, pretightning force gasket 530 can save bit by bit elasticity Potential energy, and adjustment portion 550 can be supported, avoid the excessive generation offset of 550 one end stress of adjustment portion from causing drive division 540 to block Extremely.
Also, after mounting, pretightning force gasket 530 can stretching adjustment portion 550 and bearing block 100, avoid screw element 520 Loosened with threaded hole 110.
Pretightning force gasket 530 can use rubber sheet gasket, elastic force gasket etc. are a variety of to possess elastically-deformable gasket.
In the alternative of the present embodiment, 100 bottom of bearing block is provided with for limiting the spacing of 200 displacement of bearing outer ring Baffle.
In the alternative of the present embodiment, 100 bottom of bearing block is provided with for limiting the spacing of 300 displacement of bearing inner race Baffle.
Specifically, 100 bottom of bearing block (lower end) is provided with postive stop baffle, postive stop baffle can to bearing outer ring 200 into Row is spacing, avoids taper roller 400, bearing outer ring 200 from gliding under the effect of gravity, causes conical bearing to fail.
Moreover, if rotation axis 600 bearing inner race 300 is not carried out it is spacing if, postive stop baffle can lengthen and right Bearing inner race 300 carries out spacing.
Setting in this way avoids cone axis in latent oil retarder work process to ensure the normal work of conical bearing Failure is held, causes the speed in latent oil retarder worse than mechanism damage or rotation axis 600.
In the alternative of the present embodiment, backrest is provided with two groups of taper rollers 400 in rotation axis 600;In rotation axis 600 It is provided with the limiting stand for limiting 300 displacement of bearing inner race.
In the alternative of the present embodiment, two bearings inner ring 300 abuts, and is provided with rotation axis 600 for limiting bearing The spacing ring of 300 displacement of inner ring.
In the alternative of the present embodiment, two bearings inner ring 300 is between spacing ring and limiting stand.
Specifically, 600 both ends of rotation axis are both provided with two groups of conical bearings, and two groups of cone axis that rotation axis 600 is unilateral The back of the body is born against to set.
Also, limiting stand and spacing ring are provided with rotation axis 600, in assembling process, two groups of conical bearings are installed to Behind position, spacing ring, spacing ring and rotation axis 600 pin joint or bonded be set in rotation, and spacing ring install after with rotation axis 600 without relative displacement.
Rotation axis 600 carries out bearing inner race 300 by limiting stand and spacing ring spacing, avoids bearing inner race 300 from moving.
The installation steps of spacing ring include:First bearing block 100 is installed on the housing of latent oil retarder, then by a pair Conical roller bearing backrest is installed in rotation axis 600, then whole rotation axis 600 is located with a pair of of conical roller bearing On bearing block 100, then bearing retainer 500 is installed, adjusts pretightning force gasket 530, screw in screw element 520 (bolt), apply pre- Clamp force, finally installs spacing ring in rotation axis 600, and spacing ring is reinforced.
In latent oil retarder, by conical bearing and pretension mounting means, i.e., by bolt and stent by rolling bearing Locking, in existing latent oil retarder, the load at the righting rolling bearing of usual manner is smaller, and too small load is easily led to The roller part of rolling bearing is slided rather than is rolled, so as to cause bearing life to substantially reduce.And pass through the embodiment of the present invention Setting can avoid the problem completely.
In addition, being indirect fixation in this mounting means, i.e. mechanism of ammonium fixation on bearing block 100 rather than is directly anchored to rotate On axis 600, therefore the elementary errors of gear is allow for so as to provide more flexibilities in the operating of rotation axis 600.
The present invention provides a kind of latent oil retarder, including retarder body and latent oil retarder bearing pre-tightening structure;It is latent Oily retarder bearing pre-tightening structure is arranged on retarder body.
The present invention provides a kind of latent oil retarder, including retarder body and latent oil retarder bearing pre-tightening structure;It is latent Oily retarder bearing pre-tightening structure is arranged on retarder body, and latent oil retarder has the advantage that compared with prior art, this Place repeats no more.
Finally it should be noted that:The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations;To the greatest extent Pipe is described in detail the present invention with reference to foregoing embodiments, it will be understood by those of ordinary skill in the art that:Its according to Can so modify to the technical solution described in foregoing embodiments, either to which part or all technical characteristic into Row equivalent substitution;And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology The scope of scheme.

Claims (10)

  1. A kind of 1. latent oil retarder bearing pre-tightening structure, it is characterised in that including:Bearing block, bearing outer ring, bearing inner race and circle Bore roller;
    The bearing outer ring axial end portion is provided with bearing retainer, is provided with through hole on the bearing retainer, on the bearing block Threaded hole is provided with, the bearing retainer is connected by the cooperation of screw element and threaded hole and the bearing block, with described in adjusting The pretightning force of taper roller.
  2. 2. latent oil retarder bearing pre-tightening structure according to claim 1, it is characterised in that set on the bearing retainer There are the drive division contacted with the bearing outer ring and the adjustment portion contacted with the bearing block, the drive division is used to adjust described The pretightning force of taper roller, the drive division are set with the adjustment portion in angle.
  3. 3. latent oil retarder bearing pre-tightening structure according to claim 2, it is characterised in that the drive division and the tune Round-corner transition between section portion.
  4. 4. latent oil retarder bearing pre-tightening structure according to claim 2, it is characterised in that the bearing retainer with it is described Pretightning force gasket is provided between bearing block.
  5. 5. latent oil retarder bearing pre-tightening structure according to claim 1, it is characterised in that the bearing block bottom is set It is useful for limiting the postive stop baffle of the bearing outer ring displacement.
  6. 6. latent oil retarder bearing pre-tightening structure according to claim 5, it is characterised in that the bearing block bottom is set It is useful for limiting the postive stop baffle of the bearing inner race displacement.
  7. 7. latent oil retarder bearing pre-tightening structure according to claim 1, it is characterised in that backrest is provided with rotation axis Taper roller described in two groups;
    The limiting stand for limiting the bearing inner race displacement is provided with the rotation axis.
  8. 8. latent oil retarder bearing pre-tightening structure according to claim 7, it is characterised in that two bearing inner races support Connect, the spacing ring for limiting the bearing inner race displacement is provided with the rotation axis.
  9. 9. latent oil retarder bearing pre-tightening structure according to claim 8, it is characterised in that two bearing inner races are located at Between the spacing ring and the limiting stand.
  10. 10. a kind of latent oil retarder, it is characterised in that including retarder body and claim 1-9 any one of them latent oils Retarder bearing pre-tightening structure;
    The latent oil retarder bearing pre-tightening structure is arranged on the retarder body.
CN201711263184.0A 2017-12-04 2017-12-04 Latent oil retarder bearing pre-tightening structure and latent oil retarder Pending CN108006081A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711263184.0A CN108006081A (en) 2017-12-04 2017-12-04 Latent oil retarder bearing pre-tightening structure and latent oil retarder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711263184.0A CN108006081A (en) 2017-12-04 2017-12-04 Latent oil retarder bearing pre-tightening structure and latent oil retarder

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Publication Number Publication Date
CN108006081A true CN108006081A (en) 2018-05-08

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109630656A (en) * 2018-12-29 2019-04-16 重庆百吉四兴压铸有限公司 The rotating support and passivating production line of gearbox case lid
CN113272568A (en) * 2019-04-08 2021-08-17 三菱电机大楼技术服务株式会社 Pre-pressure adjusting method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2605148A (en) * 1947-11-13 1952-07-29 Nat Supply Co Preloaded bearing cartridge assembly
EP1568918A2 (en) * 2004-02-24 2005-08-31 Iveco S.p.A. Improvements to a driven-axle differential for a vehicle
CN101349325A (en) * 2008-08-29 2009-01-21 丁焰 Overlapped parallel type involute oil-submersible screw pump planetary reducer
EP2525109A2 (en) * 2011-05-18 2012-11-21 Scania CV AB Device and method for a bearing
JP2013170656A (en) * 2012-02-22 2013-09-02 Ntn Corp Preload adjustment structure and preload adjustment method of bearing device
DE102015201172A1 (en) * 2015-01-23 2016-07-28 Aktiebolaget Skf bearing arrangement

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2605148A (en) * 1947-11-13 1952-07-29 Nat Supply Co Preloaded bearing cartridge assembly
EP1568918A2 (en) * 2004-02-24 2005-08-31 Iveco S.p.A. Improvements to a driven-axle differential for a vehicle
CN101349325A (en) * 2008-08-29 2009-01-21 丁焰 Overlapped parallel type involute oil-submersible screw pump planetary reducer
EP2525109A2 (en) * 2011-05-18 2012-11-21 Scania CV AB Device and method for a bearing
JP2013170656A (en) * 2012-02-22 2013-09-02 Ntn Corp Preload adjustment structure and preload adjustment method of bearing device
DE102015201172A1 (en) * 2015-01-23 2016-07-28 Aktiebolaget Skf bearing arrangement

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109630656A (en) * 2018-12-29 2019-04-16 重庆百吉四兴压铸有限公司 The rotating support and passivating production line of gearbox case lid
CN113272568A (en) * 2019-04-08 2021-08-17 三菱电机大楼技术服务株式会社 Pre-pressure adjusting method
CN113272568B (en) * 2019-04-08 2023-03-31 三菱电机楼宇解决方案株式会社 Pre-pressure adjusting method

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