CN105299205A - Speed reducer having gap eliminating, buffering, oil gathering and lubricating structures - Google Patents

Speed reducer having gap eliminating, buffering, oil gathering and lubricating structures Download PDF

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Publication number
CN105299205A
CN105299205A CN201510849767.6A CN201510849767A CN105299205A CN 105299205 A CN105299205 A CN 105299205A CN 201510849767 A CN201510849767 A CN 201510849767A CN 105299205 A CN105299205 A CN 105299205A
Authority
CN
China
Prior art keywords
bevel gear
gear
oil
ring body
speed reducer
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
CN201510849767.6A
Other languages
Chinese (zh)
Inventor
吴思伟
刘永平
贺良中
官志远
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.)
Qijiang Benli Gear Co Ltd
Original Assignee
Qijiang Benli Gear 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 Qijiang Benli Gear Co Ltd filed Critical Qijiang Benli Gear Co Ltd
Priority to CN201510849767.6A priority Critical patent/CN105299205A/en
Publication of CN105299205A publication Critical patent/CN105299205A/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
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/12Arrangements for adjusting or for taking-up backlash not provided for elsewhere
    • 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
    • F16H57/028Gearboxes; Mounting gearing therein characterised by means for reducing vibration or noise
    • 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
    • F16H57/04Features relating to lubrication or cooling or heating
    • F16H57/042Guidance of lubricant
    • F16H57/043Guidance of lubricant within rotary parts, e.g. axial channels or radial openings in shafts
    • F16H57/0431Means for guiding lubricant directly onto a tooth surface or to foot areas of a gear, e.g. by holes or grooves in a tooth flank
    • 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
    • F16H57/04Features relating to lubrication or cooling or heating
    • F16H57/045Lubricant storage reservoirs, e.g. reservoirs in addition to a gear sump for collecting lubricant in the upper part of a gear case
    • 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
    • F16H57/12Arrangements for adjusting or for taking-up backlash not provided for elsewhere
    • F16H2057/126Self-adjusting during operation, e.g. by a spring
    • F16H2057/127Self-adjusting during operation, e.g. by a spring using springs

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Details Of Gearings (AREA)

Abstract

The invention discloses a speed reducer having gap eliminating, buffering, oil gathering and lubricating structures. The speed reducer comprises a speed reducer shell, a gear transmission mechanism and an oil gathering device, and further comprises a first butterfly spring for applying axial thrust to a first bevel gear and a second butterfly spring for applying axial thrust to a fourth bevel gear, wherein the second bevel gear and the fourth bevel gear of the speed reducer both comprise inner ring bodies, outer ring bodies and vibration reducing blocks; and the oil gathering device comprises a ring pipe body, a separation plate and an oil storage cavity. When gears are worn, the butterfly springs can automatically push the first bevel gear and the fourth bevel gears to axially move to eliminate the gear gap caused by friction and wear; the vibration reducing blocks are arranged between the inner ring bodies and the outer ring bodies for realizing the gear vibration reduction, so that the gear engagement noise and the wheel tooth impact harm can be reduced, the tooth break problem is prevented, and the service life of the speed reducer is prolonged; and the oil gathering device feeds lubricating oil to a gear engagement area for lubricating the gears, so that the lubricating effect of the gears can be improved, and the service life of the gears is prolonged.

Description

Be with the retarder of disappear gap, buffering and oil-collecting lubricating structure
Technical field
The present invention relates to a kind of speed reducer, particularly a kind of retarder.
Background technique
Retarder is the transmission device exported for the power of the high rpm low torque of motor or internal-combustion engine output being become low rotation speed large torque.
Lubricant oil in reducer shell too much easily causes oil leakage, the very few lubrication effect that easily causes again is poor, therefore in retarder the point of addition of lubricant oil generally at 1/1 to two/3rd of gear Lower Half, and gears meshing position is the tooth in the middle part of gear, and the lubricant level in reducer shell is lower than engaging tooth, therefore gear lubrication is that gear lubrication effect is poor by getting rid of the lubricant oil fallen down to eminence during pinion rotation in the course of the work
And retarder in the course of the work, because the engagement between gear exists impact, make noise during gears meshing comparatively large, and the collision taking turns between cog also cause gear to occur breakage problem.
And retarder is in transmission process, the easy fretting wear of its flank of tooth, fretting wear can cause the matching gap between gear to increase, and then when can cause gears meshing, noise increases and suffered by gear, impact force increases, accelerating gear damage.
Summary of the invention
In view of this, the object of this invention is to provide a kind of band and to disappear the retarder of gap, buffering and oil-collecting lubricating structure, to solve the technical problem that in prior art, reducer gear can increase in long-time using process middle gear gap; And in solution prior art, the gear of retarder does not have shock-damping structure, there is impact during gears meshing between gear, when making gears meshing easily there is the problem of fracture in the comparatively large and gear teeth of noise; And solve the poor technical problem of existing retarder middle gear lubrication effect.
Band of the present invention disappears the retarder of gap, buffering and oil-collecting lubricating structure, comprises speed reducer housing and is arranged on the gear drive in speed reducer housing;
Described gear drive comprises the input shaft, jack shaft and the output shaft that to be arranged on by bearing on speed reducer housing, described input shaft is provided with the first bevel gear, described jack shaft is provided with the third hand tap gear that the second bevel gear of engaging with the first bevel gear and diameter are less than the second bevel gear, described output shaft is provided with the 4th bevel gear with third hand tap gears meshing; Described second bevel gear and third hand tap gear and jack shaft secure fit in the axial direction; Described first bevel gear and input shaft are slidably matched in the axial direction, and are provided with axial adjusting play between the small end of the first bevel gear and input shaft, are provided with the first butterfly spring the first bevel gear being applied to end thrust between described first bevel gear and bearing; Described 4th bevel gear and output shaft are slidably matched in the axial direction, and are provided with axial adjusting play between the small end of the 4th bevel gear and output shaft, and the described 4th is provided with the second butterfly spring the 4th bevel gear being applied to end thrust between bevel gear and bearing;
Described second bevel gear and the 4th bevel gear include inner ring body and outer ring body, the external cylindrical surface of described outer ring body is provided with the gear teeth, the inner cylindrical surface of described outer ring body is evenly arranged groove, the external cylindrical surface of described inner ring body is provided with lobe, described lobe is arranged in groove, and is provided with snubber block in the circumferential gap of lobe and groove;
The outer ring body of described second bevel gear and the 4th bevel gear is provided with oil catcher, described oil catcher comprises the annulus body be fixed on outer ring body end face, evenly dividing plate is provided with in described annulus body, independently shoe cream room is formed between adjacent separator, teeth groove one_to_one corresponding on described shoe cream room and gear, the inner ring surface of described annulus body is provided with the oil inlet hole be communicated with shoe cream room, the side that described annulus body coordinates with gear face is provided with oil outlet.
Further, the end face of described inner ring body is connected by screw the baffle plate preventing outer ring body from coming off vertically.
Further, described inner ring body and outer ring body are made up of powder metallurgy.
Further, described snubber block is polyurethane snubber block.
Further, the cross section of described annulus body is rectangle.
Beneficial effect of the present invention:
1, band of the present invention disappears the retarder of gap, buffering and oil-collecting lubricating structure, when there are wearing and tearing in gear, butterfly spring just automatically can promote the first bevel gear and the 4th bevel gear is moved vertically, thus eliminate the gear matching gap caused because of fretting wear, can avoid being hit the problems such as power increase because gear matching gap increases the noise increase, the gear that cause.
2, band of the present invention disappears the retarder of gap, buffering and oil-collecting lubricating structure, it by arranging snubber block between inner ring body and outer ring body, and when gears meshing, gear is subject to impulsive load, now outer ring body just can to snubber block applying pressure along the circumferential direction, snubber block generation resiliently deformable, apparatus with shock absorbing, realizes gear damping, noise during gears meshing can be reduced, and can avoid impacting the injury to the gear teeth, avoid occurring broken teeth problem, the prolonged deceleration device life-span.
3, band of the present invention disappears the retarder of gap, buffering and oil-collecting lubricating structure, it by arranging oil catcher on gear mass end face, during work, in oil catcher, annulus body is immersed in lubricant oil a section of gear bottom, lubricant oil enters shoe cream room through oil inlet hole, pinion rotation followed by lubricant oil in shoe cream room, make parts of lubricating oil can be taken to meshing zone of gears to lubricate gear, thus the lubrication and cooling effect of gear can be improved, extend the working life of gear.
Accompanying drawing explanation
Fig. 1 is that the present embodiment band disappears the overall structure schematic diagram of retarder of gap, buffering and oil-collecting lubricating structure;
Fig. 2 is the structural representation of gear drive;
Fig. 3 is the combination perspective view of the oil catcher after gear and subdivision.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
As shown in the figure, the present embodiment band disappears the retarder of gap, buffering and oil-collecting lubricating structure, the gear drive comprising speed reducer housing 1 and be arranged in speed reducer housing, described gear drive comprises the input shaft 2, jack shaft 3 and the output shaft 4 that to be arranged on by bearing on speed reducer housing, described input shaft is provided with the first bevel gear 5, described jack shaft is provided with the third hand tap gear 7 that the second bevel gear 6 of engaging with the first bevel gear and diameter are less than the second bevel gear, described output shaft is provided with the 4th bevel gear 8 with third hand tap gears meshing; Described second bevel gear and third hand tap gear and jack shaft secure fit in the axial direction; Described first bevel gear and input shaft are slidably matched in the axial direction, and are provided with axial adjusting play between the small end of the first bevel gear and input shaft, are provided with the first butterfly spring 9 the first bevel gear being applied to end thrust between described first bevel gear and bearing; Described 4th bevel gear and output shaft are slidably matched in the axial direction, and be provided with axial adjusting play between the small end of the 4th bevel gear and output shaft, the described 4th is provided with the second butterfly spring 10 the 4th bevel gear being applied to end thrust between bevel gear and bearing;
Described second bevel gear and the 4th bevel gear include inner ring body 11 and outer ring body 12, the external cylindrical surface of described outer ring body is provided with the gear teeth, the inner cylindrical surface of described outer ring body is evenly arranged groove, the external cylindrical surface of described inner ring body is provided with lobe 13, described lobe is arranged in groove, and is provided with snubber block 14 in the circumferential gap of lobe and groove;
The outer ring body of described second gear and the 4th gear is provided with oil catcher, described oil catcher comprises the annulus body 15 be fixed on outer ring body end face, dividing plate 16 is evenly provided with in described annulus body, independently shoe cream room is formed between adjacent separator, teeth groove one_to_one corresponding on described shoe cream room and gear, the inner ring surface of described annulus body is provided with the oil inlet hole 17 be communicated with shoe cream room, the side that described annulus body coordinates with gear face is provided with oil outlet 18.
The present embodiment band disappears the retarder of gap, buffering and oil-collecting lubricating structure, when there are wearing and tearing in gear, butterfly spring just automatically can promote the first bevel gear and the 4th bevel gear is moved vertically, thus eliminate the gear matching gap caused because of fretting wear, can avoid being hit the problems such as power increase because gear matching gap increases the noise increase, the gear that cause.
The retarder of gap, buffering and oil-collecting lubricating structure and the present embodiment band disappears, it by arranging snubber block between inner ring body and outer ring body, and when gears meshing, gear is subject to impulsive load, now outer ring body just can to snubber block applying pressure along the circumferential direction, snubber block generation resiliently deformable, apparatus with shock absorbing, realizes gear damping, noise during gears meshing can be reduced, and can avoid impacting the injury to the gear teeth, avoid occurring broken teeth problem, the prolonged deceleration device life-span.
And the present embodiment band disappears the retarder of gap, buffering and oil-collecting lubricating structure, it by arranging oil catcher on gear mass end face, during work, in oil catcher, annulus body is immersed in lubricant oil a section of gear bottom, lubricant oil enters shoe cream room through oil inlet hole, pinion rotation followed by lubricant oil in shoe cream room, make parts of lubricating oil can be taken to meshing zone of gears to lubricate gear, thus the lubrication and cooling effect of gear can be improved, extend the working life of gear.
As the improvement to the present embodiment, the end face of described inner ring body is connected by screw the baffle plate 19 preventing outer ring body from coming off vertically, carries out axial limiting by baffle plate 19 pairs of outer ring bodies, the axial slip of working gear process China and foreign countries ring body can be avoided.
As the improvement to the present embodiment, described inner ring body 11 and outer ring body 12 are made up of powder metallurgy, and easily manufactured, manufacturing efficiency is high.
As the improvement to the present embodiment, described snubber block 14 is polyurethane snubber block, and damping performance is good, long service life.
As the improvement to the present embodiment, the cross section of described annulus body is rectangle, and ring tube physical efficiency and gear mass end face are better fitted, and installation reliability is better.
What finally illustrate is, above embodiment is only in order to illustrate technological scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technological scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.

Claims (5)

1. band disappears a retarder for gap, buffering and oil-collecting lubricating structure, comprises speed reducer housing and is arranged on the gear drive in speed reducer housing, it is characterized in that:
Described gear drive comprises the input shaft, jack shaft and the output shaft that to be arranged on by bearing on speed reducer housing, described input shaft is provided with the first bevel gear, described jack shaft is provided with the third hand tap gear that the second bevel gear of engaging with the first bevel gear and diameter are less than the second bevel gear, described output shaft is provided with the 4th bevel gear with third hand tap gears meshing; Described second bevel gear and third hand tap gear and jack shaft secure fit in the axial direction; Described first bevel gear and input shaft are slidably matched in the axial direction, and are provided with axial adjusting play between the small end of the first bevel gear and input shaft, are provided with the first butterfly spring the first bevel gear being applied to end thrust between described first bevel gear and bearing; Described 4th bevel gear and output shaft are slidably matched in the axial direction, and are provided with axial adjusting play between the small end of the 4th bevel gear and output shaft, and the described 4th is provided with the second butterfly spring the 4th bevel gear being applied to end thrust between bevel gear and bearing;
Described second bevel gear and the 4th bevel gear include inner ring body and outer ring body, the external cylindrical surface of described outer ring body is provided with the gear teeth, the inner cylindrical surface of described outer ring body is evenly arranged groove, the external cylindrical surface of described inner ring body is provided with lobe, described lobe is arranged in groove, and is provided with snubber block in the circumferential gap of lobe and groove;
The outer ring body of described second bevel gear and the 4th bevel gear is provided with oil catcher, described oil catcher comprises the annulus body be fixed on outer ring body end face, evenly dividing plate is provided with in described annulus body, independently shoe cream room is formed between adjacent separator, teeth groove one_to_one corresponding on described shoe cream room and gear, the inner ring surface of described annulus body is provided with the oil inlet hole be communicated with shoe cream room, the side that described annulus body coordinates with gear face is provided with oil outlet.
2. band according to claim 1 disappears the retarder of gap, buffering and oil-collecting lubricating structure, it is characterized in that: the end face of described inner ring body is connected by screw the baffle plate preventing outer ring body from coming off vertically.
3. band according to claim 1 disappears the retarder of gap, buffering and oil-collecting lubricating structure, it is characterized in that: described inner ring body and outer ring body are made up of powder metallurgy.
4. band according to claim 1 disappears the retarder of gap, buffering and oil-collecting lubricating structure, it is characterized in that: described snubber block is polyurethane snubber block.
5. band according to claim 1 disappears the retarder of gap, buffering and oil-collecting lubricating structure, it is characterized in that: the cross section of described annulus body is rectangle.
CN201510849767.6A 2015-11-30 2015-11-30 Speed reducer having gap eliminating, buffering, oil gathering and lubricating structures Pending CN105299205A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510849767.6A CN105299205A (en) 2015-11-30 2015-11-30 Speed reducer having gap eliminating, buffering, oil gathering and lubricating structures

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510849767.6A CN105299205A (en) 2015-11-30 2015-11-30 Speed reducer having gap eliminating, buffering, oil gathering and lubricating structures

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106812927A (en) * 2016-06-16 2017-06-09 无锡市盛宝嘉科技有限公司 A kind of technical method that drive gap is eliminated for manipulator double reduction gearing
CN109386594A (en) * 2017-08-03 2019-02-26 通用电气公司 Gear assembly dampening arrangement

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2040565U (en) * 1988-12-05 1989-07-05 常勇 Elestic gear
JPH09236167A (en) * 1996-02-29 1997-09-09 Suzuki Motor Corp Differential device
TW200613665A (en) * 2004-10-22 2006-05-01 Japan Servo Geared transmission apparatus
CN201925414U (en) * 2010-12-31 2011-08-10 厦门康柏机械集团有限公司 Reducer of elevator
US8235858B1 (en) * 2009-07-02 2012-08-07 Hydro-Gear Limited Partnership Gear drive
CN202381652U (en) * 2011-12-22 2012-08-15 河南科技大学东海硅产业节能技术研究院 Meshing drive mechanism of bevel gears without lateral clearances
CN204477200U (en) * 2015-03-12 2015-07-15 盐城工业职业技术学院 Parallel axes bevel gear drive clearance eliminating mechanism

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2040565U (en) * 1988-12-05 1989-07-05 常勇 Elestic gear
JPH09236167A (en) * 1996-02-29 1997-09-09 Suzuki Motor Corp Differential device
TW200613665A (en) * 2004-10-22 2006-05-01 Japan Servo Geared transmission apparatus
US8235858B1 (en) * 2009-07-02 2012-08-07 Hydro-Gear Limited Partnership Gear drive
CN201925414U (en) * 2010-12-31 2011-08-10 厦门康柏机械集团有限公司 Reducer of elevator
CN202381652U (en) * 2011-12-22 2012-08-15 河南科技大学东海硅产业节能技术研究院 Meshing drive mechanism of bevel gears without lateral clearances
CN204477200U (en) * 2015-03-12 2015-07-15 盐城工业职业技术学院 Parallel axes bevel gear drive clearance eliminating mechanism

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106812927A (en) * 2016-06-16 2017-06-09 无锡市盛宝嘉科技有限公司 A kind of technical method that drive gap is eliminated for manipulator double reduction gearing
CN109386594A (en) * 2017-08-03 2019-02-26 通用电气公司 Gear assembly dampening arrangement
CN109386594B (en) * 2017-08-03 2022-02-22 通用电气公司 Gear assembly shock absorber device

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Application publication date: 20160203