CN102597577A - Bearing unit - Google Patents

Bearing unit Download PDF

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Publication number
CN102597577A
CN102597577A CN2010800479054A CN201080047905A CN102597577A CN 102597577 A CN102597577 A CN 102597577A CN 2010800479054 A CN2010800479054 A CN 2010800479054A CN 201080047905 A CN201080047905 A CN 201080047905A CN 102597577 A CN102597577 A CN 102597577A
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CN
China
Prior art keywords
bearing unit
gear
tooth
gear module
gears
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.)
Granted
Application number
CN2010800479054A
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Chinese (zh)
Other versions
CN102597577B (en
Inventor
金平诚
高桥利夫
牧野隆
石田裕树
青木敏彦
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.)
Tsubakimoto Chain Co
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Tsubakimoto Chain Co
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 Tsubakimoto Chain Co filed Critical Tsubakimoto Chain Co
Publication of CN102597577A publication Critical patent/CN102597577A/en
Application granted granted Critical
Publication of CN102597577B publication Critical patent/CN102597577B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/12—Toothed members; Worms with body or rim assembled out of detachable parts
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/02—Sliding-contact bearings for exclusively rotary movement for radial load only
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/04—Sliding-contact bearings for exclusively rotary movement for axial load only
    • 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
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/17—Toothed wheels
    • F16H2055/176—Ring gears with inner teeth

Abstract

Provided is a bearing unit wherein the accuracy of teeth is ensured when the bearing unit is machined, the production time is reduced, the production cost is reduced, and the reduction of the accuracy of teeth due to unevenness of a material, machining strain, heat strain, etc., is suppressed, so that noise or uneven rotation generated during an operation is prevented, and the durability is improved. A bearing unit (100) comprises a cylindrical gear (110) having teeth (111) which mesh with another gear (150) and a flange (132) which constitutes a bearing, on the inner periphery and the outer periphery of the cylindrical gear. The cylindrical gear (110) is formed by stacking and affixing a plurality of gear modules (120, 130, 140) in the axial direction.

Description

Bearing unit
Technical field
The present invention relates to bearing unit; It is made up of the cylindrical gears that has the tooth that is meshed with other gears respectively in interior week or periphery and form the flange of bearing, especially relates to the bearing unit of the rotary part that is fit to be applied to big machineries such as construction plant or hoist.
Background technique
In the past, known had a kind of bearing unit, and it is made up of the cylindrical gears that has the tooth that is meshed with other gears respectively in interior week or periphery and form the flange of bearing.
Known bearing unit is to utilize lathes such as gear cutting machine to form (referring to patent documentation 1) by a blank processing and fabricating.
The existing technology document
Patent documentation
Patent documentation 1: TOHKEMY 2005-61574 number (the 5th page, Fig. 2)
Summary of the invention
Above-mentioned known bearing unit is large-scale and axial length tooth is longer, thus be difficult to the precision of guaranteeing tooth man-hour adding, and also have the problem that production time is long, fabricating cost is also very high.
In addition; The influence of the strain in the reprocessings such as strain that discontinuity of material, processing are caused or heat treatment also causes the precision of tooth lower; So cause the noise in when running and rotate inhomogeneously, and wearing and tearing and breakage etc. might take place, on durability, have problems.
The present invention will solve aforesaid prior art problems exactly; Promptly, the purpose of this invention is to provide following bearing unit: it is adding the precision that can guarantee tooth man-hour, shortens production time, reduces fabricating cost; Simultaneously; The precise decreasing of the tooth that can suppress to be caused because of discontinuity of material and processing strain, thermal strain etc., the noise when preventing to turn round and rotate inhomogeneously and has improved durability.
The 1 related invention of present technique scheme is a kind of bearing unit; It is made up of the cylindrical gears that has the tooth that is meshed with other gears respectively in interior week or periphery and form the flange of bearing; Said cylindrical gears is with having the overlapping vertically multilayer of a plurality of gear modules of the tooth that is meshed with other gears in interior week or periphery; And fix and form, can solve said problem thus.
The 2 related inventions of present technique scheme are on the basis of the structure of technological scheme 1 described bearing unit; Said a plurality of gear module along the circumferential direction is divided into a plurality of in all layers; Said cylindrical gears is the phase shifting with the split position of a plurality of gear modules; And carry out overlapping fixingly and form vertically, can further solve said problem thus.
The 3 related inventions of present technique scheme are on the basis of the structure of technological scheme 1 or 2 described bearing units; Said cylindrical gears is the phase shifting with the tooth of a plurality of gear modules; And carry out overlapping fixingly and form vertically, can further solve said problem thus.
The 4 related inventions of present technique scheme are on the basis of the structure of any described bearing unit in technological scheme 1 to 3; The periphery of the axial gear module of one deck at least in said a plurality of gear modules or in the flange of the said formation bearing of week formation, can further solve said problem thus.
The 5 related inventions of present technique scheme are on the basis of the structure of any described bearing unit in technological scheme 1 to 4; The tooth of said gear module has the concavity slot part at the ora terminalis with the adjacent side of the tooth of other gear modules at least, can further solve said problem thus.
The 6 related inventions of present technique scheme are on the basis of the structure of any described bearing unit in technological scheme 1 to 5, and said gear module forms and implemented heat treatment by common gear material, can further solve said problem thus.
The 7 related inventions of present technique scheme are on the basis of the structure of any described bearing unit in technological scheme 1 to 5, and said gear module is formed by wear-resisting steel plate, can further solve said problem thus.
The bearing unit of present technique scheme 1 related invention is made up of cylindrical gears; Said cylindrical gears has tooth that is meshed with other gears and the flange that forms bearing respectively in interior week or periphery; Form cylindrical gears through having the overlapping vertically multilayer of a plurality of gear modules of the tooth that is meshed with other gears and fix in interior week or periphery; The axial length of the tooth of each gear module is shortened; Thereby adding the precision that to guarantee tooth man-hour, and can shorten production time, reduce fabricating cost.
In addition, owing to can exchange respectively, so, also can only change, repair the gear module that breakage and defective are arranged, so can reduce maintenance cost even taken place under the situation of breakage and defective in the part of bearing unit by each gear module.
In addition, because of each gear module diminishes, the also attenuation of its thickness, thus the precise decreasing of the tooth that can suppress to be caused because of discontinuity of material and processing strain, thermal strain etc., and the noise can prevent to turn round the time and rotate inhomogeneously, improve durability.
The bearing unit of present technique scheme 2 related inventions is except the effect that technological scheme 1 related bearing unit is obtained; Through in all layers, along the circumferential direction being divided into a plurality of gear modules a plurality of; And with the phase shifting of the split position of a plurality of gear modules and carry out overlapping and fixing vertically and form cylindrical gears; Make to need not to use the circle-shaped gear module or the fixing circumference parts of usefulness,, the point of division of circumferencial direction is disperseed so can further reduce fabricating cost; And the noise can further prevent to turn round the time and rotate inhomogeneously, improve durability.
The bearing unit of present technique scheme 3 related inventions is except the effect that technological scheme 1 or 2 related bearing units are obtained; Through with the phase shifting of the tooth of a plurality of gear modules and carry out the overlapping and fixing cylindrical gears that forms vertically; Can become level and smooth with other gear meshing in the running thus; And the noise can further prevent to turn round the time and rotate inhomogeneously, improve durability.
The bearing unit of the present technique scheme 4 related inventions effect that any related bearing unit is obtained in technological scheme 1 to 3; Be formed on the periphery or the interior week of the axial gear module of one deck at least in a plurality of gear modules through the flange that will form bearing; Thus as long as only guarantee the needed amount of thickness that is used to form the flange of bearing; Because of become miniaturization and processing place of integral body also tails off, can further shorten production time, reduce fabricating cost.
The bearing unit of the present technique scheme 5 related inventions effect that any related bearing unit is obtained in technological scheme 1 to 4; Tooth through making gear module has the concavity slot part at the ora terminalis with the adjacent side of the tooth of other gear modules at least; Can be provided for keeping the space of lubricant oil at the axial intermediate portion of gear; So can become further level and smooth with other gear meshing in the running, the noise in the time of can preventing to turn round and rotate inhomogeneously and improves durability.
The bearing unit of the present technique scheme 6 related inventions effect that any related bearing unit is obtained in technological scheme 1 to 5; Through adopting general gear material formative gear module and implementing heat treatment; Durability, wear resistance are reduced; And can shorten production time, reduce fabricating cost, simultaneously, the noise in the time of can preventing to turn round and rotate inhomogeneous.
The bearing unit of the present technique scheme 7 related inventions effect that any related bearing unit is obtained in technological scheme 1 to 5; Through adopting wear-resisting steel plate formative gear module; Processing becomes easily and need not to heat-treat thus; And can further shorten production time, reduce fabricating cost, simultaneously, the noise in the time of can preventing to turn round and rotate inhomogeneous.
Description of drawings
Fig. 1 is the stereogram of the bearing unit of one embodiment of the present of invention.
Fig. 2 is the sectional view of the bearing unit of one embodiment of the present of invention.
Fig. 3 is partial cross section's explanatory drawing of the bearing unit of one embodiment of the present of invention.
Fig. 4 is the enlarged view of tooth of the bearing unit of one embodiment of the present of invention.
Fig. 5 is the sectional view of aligned portions of tooth of the bearing unit of one embodiment of the present of invention.
Fig. 6 is the stereogram of other embodiments' of the present invention bearing unit.
Fig. 7 is the sectional view of the bearing unit of the second embodiment of the present invention.
Embodiment
The present invention is a kind of bearing unit; It is made up of the cylindrical gears that has the tooth that is meshed with other gears respectively in interior week or periphery and form the flange of bearing, and said cylindrical gears is with having the overlapping vertically multilayer of a plurality of gear modules of the tooth that is meshed with other gears in interior week or periphery and fixing and form, so adding the precision that can guarantee tooth man-hour; Simultaneously; Shorten production time, reduce fabricating cost, and the precise decreasing of the tooth that suppresses to be caused because of discontinuity of material and processing strain, thermal strain etc.; Noise in the time of preventing to turn round and rotate inhomogeneous; And the raising durability, so long as aforesaid bearing unit, its concrete mode of execution can be an any way.
As long as promptly can guarantee the precision of each gear module at the tooth that adds man-hour, shorten production time, and reduce fabricating cost, the number of the gear module of bearing unit of the present invention can be any number.
In addition, the fixing of a plurality of gear modules both can be fixed with bolt, nut etc., also can fix with any method.
Embodiment 1
Below, based on accompanying drawing the bearing unit as one embodiment of the present of invention is described.
, be made up of cylindrical gears 110 as the bearing unit 100 of one embodiment of the present of invention to shown in Figure 3 like Fig. 1, said cylindrical gears 110 has the tooth 111 that is meshed with other gears 150 in interior all sides, and has the flange 132 that forms bearing at outer circumferential side.
Cylindrical gears 110 is (facewidth direction) and circumferencial direction and be divided into a plurality of gear modules 120,130,140 vertically; The below gear module 140 that forms the top gear module 120 on upper strata, the intermediate gear module 130 that forms the mesosphere and formation lower floor makes the phase shifting of the split position on its circumferencial direction, thereby is fixed into one through inserting logical bolt (not shown) in the bolt hole 123,133,143 on being arranged at each gear module 120,130,140.
At the outer circumferential side of intermediate gear module 130, be provided with the flange 132 of diameter greater than other gear modules 120,140, through at the thrust-bearing of butt up and down 101 of this flange 132, at outer circumferential side butt radial bearing 102, thereby form bearing.
In addition; Shown in the partial view of Fig. 4, Fig. 5; The tooth of intermediate gear module 130 131 with below gear module 140 tooth 141 separately above ora terminalis and above gear module 120 tooth 121 and intermediate gear module 130 tooth 131 separately below ora terminalis, be respectively arranged with concavity slot part 124,134,144.
Then; Overlapping and fixed above gear module 120, intermediate gear module 130 and below during gear module 140; Form the space through concavity slot part 124,134,144 in the boundary portion of the ora terminalis of each tooth 121,131,141, and in this space, keep lubricant oil.
According to the above bearing unit that constitutes 100, can enough general lathes process the tooth 121,131,141 of each gear module 120,130,140, and can be made into the less thickness of influence such as receiving discontinuity of material and processing strain, thermal strain.
In addition, each gear module 120,130,140 can adopt the wear-resisting steel plate of HARDOX (TM trade mark) etc., can also omit the heat treatment after the machining.
Thus, adding the precision that to guarantee tooth 111 man-hour, and can shorten production time, reduce fabricating cost; Simultaneously, through suppressing the precise decreasing of tooth 111, the noise when preventing to turn round and rotate inhomogeneous; And suppress wearing and tearing and breakage etc., thereby durability is improved.
In addition; Owing to can change respectively, so even under the situation of the part generation breakage of bearing unit and defective, also can only change, repair the gear module 120,130 that breakage and defective are arranged by each gear module 120,130,140; 140, so can reduce maintenance cost.
In addition; By concavity slot part 124,134,144 formed spaces; Can be used as on the whole axial intermediate portion of tooth 111 and keep the space of lubricant oil and bring into play function, so that the supply of lubricant oil can become is very smooth, thus the noise when further preventing to turn round; And suppressing wearing and tearing and breakage etc., durability improves.
And; Can also make the phase shifting of the tooth 121,131,141 of each gear module 120,130,140, and the gear 150 of engagement flute profile corresponding with it, the starting point of meshing of tooth 121,131,141 is disperseed; During running and the engagement of other gears 150 can become level and smooth; Noise when further preventing to turn round and rotate inhomogeneously and suppresses wearing and tearing and breakage etc., and durability improves.
Embodiment 2
Like Fig. 6, shown in Figure 7, to form by cylindrical gears 210 as other embodiments' of the present invention bearing unit 200, said cylindrical gears 210 has the tooth 211 that is meshed with other gears at outer circumferential side, and has the flange 232 that forms bearing in interior all sides.
Same with the foregoing description; Cylindrical gears 210 is (facewidth direction) and circumferencial direction and be divided into a plurality of gear modules 120,130,140 vertically; Make top gear module 220, intermediate gear module 230 and below gear module 240 phase shifting at the split position of its circumferencial direction; And slotting logical bolt (not shown) in the bolt hole 223,233,243 on being arranged at each gear module 220,230,240; Fix,, be provided with the flange 232 of diameter less than other gear modules 220,240 in interior all sides of intermediate gear module 230; And at the thrust-bearing of butt up and down of this flange 232, at interior all side butt radial bearings, thereby form bearing.
As described above, according to the present invention, adding the precision that can guarantee tooth man-hour; And can shorten production time, reduce fabricating cost, simultaneously; The precise decreasing of the tooth that can suppress to be caused because of discontinuity of material and processing strain, thermal strain etc.; And the noise can prevent to turn round the time and rotate inhomogeneously, improving durability etc., its effect is very big.
In addition; Though in the above-described embodiments; The axial layer of gear module is made as three layers, and on the gear module of centre, is provided with the flange that forms bearing, but also can be made as two-layer gear module or more than four layers; Also can on arbitrary layer gear module of the gear module that comprises the topmost part layer, foot layer, the flange that forms bearing be set.
In addition, as long as can be divided into the size of easy processing, the gear module number of cutting apart along the circumferential direction can be for cutting apart number arbitrarily, both can be that identical to cut apart number also can be the different numbers of cutting apart in all layers.In addition, arbitrary layer of gear module do not cut apart in a circumferential direction, and formed circle-shapedly, the circumference circular layer that is used for fixing that does not have tooth can also be set.
The explanation of reference character:
100,200: bearing unit
101: thrust-bearing
102: radial bearing
110,210: cylindrical gears
120,220: the top gear module
121,221: tooth
123,222: bolt hole
130,230: the intermediate gear module
131,231: tooth
132,232: flange
133: bolt hole
134: the concavity slot part
140,240: the below gear module
141,241: tooth
143: bolt hole
144: the concavity slot part
150: gear

Claims (7)

1. bearing unit is made up of the cylindrical gears that has the tooth that is meshed with other gears respectively in interior week or periphery and form the flange of bearing, it is characterized in that,
Said cylindrical gears is with having the overlapping vertically multilayer of a plurality of gear modules of the tooth that is meshed with other gears in interior week or periphery and fixing and form.
2. bearing unit according to claim 1 is characterized in that,
Said a plurality of gear module along the circumferential direction is divided into a plurality of in all layers,
Said cylindrical gears is the phase shifting with the split position of a plurality of gear modules, and carries out overlapping, fixing vertically and form.
3. bearing unit according to claim 1 and 2 is characterized in that,
Said cylindrical gears is the phase shifting with the tooth of a plurality of gear modules, and carries out overlapping, fixing vertically and form.
4. according to any described bearing unit in the claim 1 to 3, it is characterized in that,
The periphery of the axial gear module of one deck at least in said a plurality of gear modules or in the flange of the said formation bearing of week formation.
5. according to any described bearing unit in the claim 1 to 4, it is characterized in that,
The tooth of said gear module has the concavity slot part at the ora terminalis with the adjacent side of the tooth of other gear modules at least.
6. according to any described bearing unit in the claim 1 to 5, it is characterized in that,
Said gear module is formed by common gear material, and has implemented heat treatment.
7. according to any described bearing unit in the claim 1 to 5, it is characterized in that,
Said gear module is formed by wear-resisting steel plate.
CN201080047905.4A 2009-11-25 2010-10-29 Bearing unit Expired - Fee Related CN102597577B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2009-267739 2009-11-25
JP2009267739A JP5340898B2 (en) 2009-11-25 2009-11-25 Bearing unit
PCT/JP2010/069340 WO2011065186A1 (en) 2009-11-25 2010-10-29 Bearing unit

Publications (2)

Publication Number Publication Date
CN102597577A true CN102597577A (en) 2012-07-18
CN102597577B CN102597577B (en) 2015-02-18

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Application Number Title Priority Date Filing Date
CN201080047905.4A Expired - Fee Related CN102597577B (en) 2009-11-25 2010-10-29 Bearing unit

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JP (1) JP5340898B2 (en)
CN (1) CN102597577B (en)
GB (1) GB2487683A (en)
WO (1) WO2011065186A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106122446A (en) * 2016-08-22 2016-11-16 中国科学院上海高等研究院 A kind of ring gear and constitute the unit tooth of this ring gear

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107795663A (en) * 2016-08-30 2018-03-13 天津浩岩科技开发有限公司 A kind of spliced gear of reusable edible

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4669165A (en) * 1980-09-15 1987-06-02 Kraftwerk Union Aktiengesellschaft Method of manufacturing and mounting a split spur gear with external teeth
JPH11141565A (en) * 1997-11-12 1999-05-25 Toyoda Mach Works Ltd Slide type constant velocity joint
JP2004300870A (en) * 2003-04-01 2004-10-28 Hitachi Constr Mach Co Ltd Revolving device of construction machine and construction machine
JP2007010107A (en) * 2005-07-04 2007-01-18 Fuji Xerox Co Ltd Gear and driving transmission
US20090158875A1 (en) * 2007-12-19 2009-06-25 Wayne Crooks Stargear assembly

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11141656A (en) * 1997-11-07 1999-05-25 Mitsui Eng & Shipbuild Co Ltd Gear
JP2004068994A (en) * 2002-08-08 2004-03-04 Nidec Copal Corp Geared motor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4669165A (en) * 1980-09-15 1987-06-02 Kraftwerk Union Aktiengesellschaft Method of manufacturing and mounting a split spur gear with external teeth
JPH11141565A (en) * 1997-11-12 1999-05-25 Toyoda Mach Works Ltd Slide type constant velocity joint
JP2004300870A (en) * 2003-04-01 2004-10-28 Hitachi Constr Mach Co Ltd Revolving device of construction machine and construction machine
JP2007010107A (en) * 2005-07-04 2007-01-18 Fuji Xerox Co Ltd Gear and driving transmission
US20090158875A1 (en) * 2007-12-19 2009-06-25 Wayne Crooks Stargear assembly

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106122446A (en) * 2016-08-22 2016-11-16 中国科学院上海高等研究院 A kind of ring gear and constitute the unit tooth of this ring gear
CN106122446B (en) * 2016-08-22 2018-09-04 中国科学院上海高等研究院 A kind of ring gear and the unit tooth for constituting the ring gear

Also Published As

Publication number Publication date
GB2487683A (en) 2012-08-01
JP5340898B2 (en) 2013-11-13
JP2011112120A (en) 2011-06-09
GB201206688D0 (en) 2012-05-30
WO2011065186A1 (en) 2011-06-03
CN102597577B (en) 2015-02-18

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