CN104913023B - The bearing prepressing force mechanism of decelerator - Google Patents
The bearing prepressing force mechanism of decelerator Download PDFInfo
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- CN104913023B CN104913023B CN201510104635.0A CN201510104635A CN104913023B CN 104913023 B CN104913023 B CN 104913023B CN 201510104635 A CN201510104635 A CN 201510104635A CN 104913023 B CN104913023 B CN 104913023B
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- Prior art keywords
- ring
- bearing
- fixed shell
- groove
- decelerator
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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
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
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- 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
- F16C25/00—Bearings for exclusively rotary movement adjustable for wear or play
- F16C25/06—Ball or roller bearings
- F16C25/08—Ball or roller bearings self-adjusting
- F16C25/083—Ball or roller bearings self-adjusting with resilient means acting axially on a race ring to preload the bearing
-
- 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
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/36—Toothed gearings for conveying rotary motion with gears having orbital motion with two central gears coupled by intermeshing orbital gears
-
- 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
- F16C2361/00—Apparatus or articles in engineering in general
- F16C2361/65—Gear shifting, change speed gear, gear box
Abstract
Present invention offer is a kind of can to make shell of revolution body compared to the bearing prepressing force mechanism of the decelerator of conventional path.The bearing prepressing force mechanism includes：Fixed shell, it is formed on the outer periphery stage portion；Bearing unit, it is formed in the way of a pair of bearings, and a side (41) engage with above-mentioned stage portion；Groove (5), it is located at the periphery of fixed shell, and is formed at the position relative with the another side (42) of bearing unit；Ring (6), its be divided into it is multiple, by being embedded in groove (5) with the position for the another side (42) that the state limit of the precompressed bearing unit is applied with to bearing unit；And rotation housing, it is clipped between a pair of bearings, and is supported on fixed shell by a pair of bearings to rotate free mode relative to fixed shell.The both ends (21) for being divided into the inner circumferential side of multiple rings (6) are partially cut, so that the radial dimension of ring (6) is smaller closer to the two ends of each ring (6).
Description
Technical field
Decelerator is applied to the present invention relates to one kind and to for housing will to be rotated with relative to fixed shell rotation freely
Mode be supported on fixed shell bearing apply precompressed decelerator bearing prepressing force mechanism.
Background technology
As the technology related to this bearing prepressing force mechanism, for example, it there are the technology described in patent document 1.Patent
Described bearing prepressing force mechanism is characterised by document 1, provided with importing on the ring for applying precompressed and fixing bearing
Portion, the introduction part is formed as thinning in the side thickness for being inserted in groove (groove formed in the periphery of fixed shell).Utilize the knot
Structure, can be while make bearing gradually produce applied pre- by being inserted the ring into from the introduction part for being formed relatively thin in groove
Pressure is while be easily transferred into final preloading condition.Thus, as the part for constituting bearing prepressing force mechanism, even in order to cut
Subtract components number and in the case of using ring, also to bearing can apply precompressed in simple method, as a result, group can be sought
Fill the simplification of process.
Patent document 1：No. 4694899 publications of Japanese Patent Publication No.
Here, above-mentioned bearing prepressing force mechanism have can utilize compared to very simple method in the past to bearing gradually
Apply excellent effect as precompressed.It is well known, however, that the bearing prepressing force mechanism also leaves what should be solved from the point of view of other angles
Problem.It is described below.
The embodiment for the ring for having used the split shape for being divided into two is recorded in patent document 1.Here, in group
When filling decelerator, these rings are respectively put into rotation housing, and in the groove of the embedded periphery for having been formed on fixed shell, but
In the ring of the shape of embodiment described in patent document 1, in embedded rings, the radial outside protrusion of ring fixed shell
Prominent surplus is larger, leads to not make rotation housing path.Bearing prepressing force mechanism described in patent document 1 has also left this
The problem of sample.
The content of the invention
Problems to be solved by the invention
The present invention be in view of above-mentioned problem and complete, its object is to provide one kind can make shell of revolution body compared to
The bearing prepressing force mechanism of the decelerator of conventional path.
The solution used to solve the problem
The bearing prepressing force mechanism of the decelerator of the present invention is characterised by that the bearing prepressing force mechanism of the decelerator includes：Institute
Fixed shell is stated, it is formed on the outer periphery stage portion；Bearing unit, it is formed in the way of a pair of bearings, and a side with
The stage portion engaging；Groove, it is located at the periphery of the fixed shell, and is formed at the another side phase with the bearing unit
Adjacent position；Ring, it is by the embedded groove to be applied with the state limit of the precompressed bearing unit to the bearing unit
Another side position；And the rotation housing, it is clipped between the pair of bearing, by a pair of bearings with relative
Free mode, which is rotated, in the fixed shell is supported on the fixed shell.The ring is divided into multiple, is divided into multiple
The two ends of inner circumferential side of the ring be partially cut so that the radial dimension of each ring is closer to two of ring each described
End is smaller.
The effect of invention
Using the present invention, the shell of revolution body of decelerator can be made compared to conventional path.Further, since rotation can be made
The wall thickness of housing compared in the past it is larger, therefore, also with can reduce because gear transmit and act on stress, rotation can be improved
Effect as the intensity of transcapsidation body.
Brief description of the drawings
Fig. 1 is provided with the sectional view of the decelerator of the bearing prepressing force mechanism of one embodiment of the present invention.
Fig. 2 is Fig. 1 A-A sectional views.
Fig. 3 is the figure for the ring for representing the semi-circular shape shown in Fig. 1.
Fig. 4 is Fig. 1 P portions enlarged drawing.
Fig. 5 is Fig. 2 Q portions enlarged drawing.
Fig. 6 is the sectional view of the state for the assembling midway for representing the decelerator shown in Fig. 1.
Fig. 7 is Fig. 6 B-B sectional views.
Fig. 8 is provided with the sectional view of the decelerator of the bearing prepressing force mechanism of prior art.
Fig. 9 is the figure of the ring for the semi-circular shape for representing the prior art shown in Fig. 8.
Description of reference numerals
1st, bearing prepressing force mechanism；2nd, fixed shell；3rd, housing is rotated；4th, bearing unit；5th, groove；6th, ring；11a, 11b, one
To bearing；16th, stage portion (stage portion for being formed at the periphery of fixed shell)；100th, decelerator.
Embodiment
Hereinafter, with reference to the accompanying drawings of the mode for implementing the present invention.Fig. 1~Fig. 7 is for illustrating that the one of the present invention is real
Apply the figure of the bearing prepressing force mechanism 1 of mode.The bearing prepressing force mechanism 1 of one embodiment is used as the engineering trucks such as hydraulic crawler excavator
The bearing prepressing force mechanism of the decelerator 100 of running driving device in.In addition, the purposes of the bearing prepressing force mechanism of the present invention is not
The decelerator of engineering truck is defined in, purposes is also not limited to travel the decelerator of driving.
The structure of bearing prepressing force mechanism
The structure of structure and bearing prepressing force mechanism 1 to the decelerator 100 including bearing prepressing force mechanism 1 is illustrated.Such as
Shown in Fig. 1, decelerator 100 is configured to, including：Fixed shell 2, it is cylindrical shape, is internally equipped with hydraulic motor mechanism M；
Housing 3 is rotated, it is cylindrical shape, and set casing is supported on to rotate free mode relative to fixed shell 2 by bearing unit 4
Body 2；And planetary gears R, it is disposed in the inside of rotation housing 3.
In addition, hydraulic motor mechanism M is, for example, known diagram plate type hydraulic motor, by from engine-driven hydraulic pump
Rotated for/row's pressure oil.On hydraulic motor mechanism M concrete structure, diagram is omitted.
The planetary gears R for being linked to hydraulic motor mechanism M is also known reducing gear.On the planetary gear machine
Structure R, Fig. 1 illustrate only one structure member, i.e., pass through 2nd gear of the spline with reference to the end 2a for being linked to fixed shell 2
Frame 57 (tooth rest), eliminates the diagram of other concrete structures.
In addition, the decelerator 200 of the prior art shown in reference picture 8, illustrates planetary gears R structure.Planet tooth
Mechanism R is taken turns by the input shaft 51 of the output for input hydraulic pressure motor mechanism M, the 1st central gear 52, the 1st planetary gear 53, the
1 tooth rest 54, the 2nd central gear 55, the 2nd planetary gear 56 and the 2nd tooth rest 57 etc. are constituted.Planetary gears R makes
Transmission hydraulic motor mechanism M output, finally rotates rotation housing 3 while rotary speed is slowed down, so that via being installed on
The sprocket wheel (not shown) of the flange part 14 of the rotation housing 3 drives non-driven portion (not shown).
Return to Fig. 1.Bearing prepressing force mechanism 1 be configured to by rotation housing 3 to rotate free side relative to fixed shell 2
Formula is supported on the mechanism of bearing (bearing unit 4) the application precompressed of fixed shell 2, including fixed shell 2, rotation housing 3, bearing
Unit 4, groove 5, the tooth rest 57 of ring 6 and the 2nd.
Fig. 4 is Fig. 1 P portions enlarged drawing.As shown in Figure 1 and Figure 4, fixed shell 2 is inserted in rotation housing 3 with its end 2a
Cylindric opening in state configuration.Provided with the stage portion for being formed as extending along its complete cycle on the periphery of fixed shell 2
16.It is linked with addition, being combined in the end 2a of fixed shell 2 by spline for keeping the 2nd planetary gear 56 (reference picture 8)
The end 57a of 2nd tooth rest 57.Moreover, when the extrapolation of the 2nd tooth rest 57 is held in the end 2a of fixed shell 2, its end
57a and ring 6 peripheral snap.
As shown in Figure 1 and Figure 4, bearing unit 4 is formed in the way of a pair of bearings 11a, 11b.Moreover, the bearing unit 4
It is configured to a side 41 with the stage portion 16 of fixed shell 2 to engage, in the present embodiment, is configured to the interior of bearing 11b
Circle 12b side engages (reference picture 4) across the pad 20 of ring-shaped of adjustment with the stage portion 16 of fixed shell 2.In addition,
Pad 20 can not also be arranged.That is, it can also be that a side 41 of bearing unit 4 and the stage portion 16 of fixed shell 2 are directly blocked
Close.
In addition, as shown in Figure 1 and Figure 4, groove 5 is located at the periphery of fixed shell 2, and located at the other end with bearing unit 4
The adjacent position in side 42 (another bearing 11a inner ring 12a side), is formed as the complete cycle extension along fixed shell 2.Separately
Outside, the end face 5a formation by the side of bearing unit 4 of groove 5 is in following location：Between the stage portion 16 of end face 5a and fixed shell 2
It (is specifically, that ring 6 is not embedding that distance is added obtained size with the thickness of pad 20 less than the width of itself of bearing unit 4
(ring 6 is not embedded into groove 5 for the distance between one side 41 of the bearing unit 4 in the state of entering in groove 5 and another side 42
In the state of bearing unit 4 width of itself) obtained size is added with the thickness of pad 20).
In addition, in order to show the situation for being equipped with pad 20 and the situation both of these case for not arranging pad 20, arranging
The pad 20 is considered as to a structural element of bearing unit 4 in the case of having pad 20, by the width of itself of bearing unit 4 and
The thickness of pad 20 is added obtained size and is defined as " width of bearing unit 4 ".
As shown in Figure 1 and Figure 4, rotation housing 3 is clipped between a pair of bearings 11a, 11b of bearing unit 4, thus, rotation
Housing 3 is supported on fixed shell 2 by a pair of bearings 11a, 11b to rotate free mode relative to fixed shell 2.That is,
In the inner circumferential of rotation housing 3, as the part being sandwiched between a pair of bearings 11a and 11b, provided with along whole circumferentially extending
The teat 15 that is formed of mode.The teat 15 is sandwiched between bearing 11a outer ring 13a and bearing 11b outer ring 13b.
Ring
As shown in Figure 1 and Figure 4, ring 6 is configured to, and is located at by being embedded into the groove 5 of the periphery of fixed shell 2, so that with
The state for being applied with precompressed to bearing unit 4 limits the position of the another side 42 of the bearing unit 4.In the present embodiment,
As shown in Fig. 2 the ring 6 is is divided into the form of two, as the semi-circular shape each other with same shape and identical size
Ring.Fig. 3 is the figure of a ring 6 of the semi-circular shape of side that is being divided into two.
As shown in Figure 3 and Figure 4, ring 6 generally has specific thickness and regulation radial width, semi-circular shape metal
The ring of system.Two sides 22 of ring 6 are formed as, and turn into the state of the ring 6 is embedded in groove 5 with being applied from bearing unit 4
Plus load the vertical face in direction (the axially in parallel direction with decelerator 100).Ring 6 is respectively embedded into groove 5, so that two
Ring 6 bears the load from bearing unit 4, and a pair of bearings 11a, 11b is kept with preloading condition.
Here, the part of two ends 21 of the inner circumferential side of ring 6 is removed, with cause the radial dimension of each ring 6 closer to
Two ends are smaller.It cuts off face 21a and is formed as the face rectangular relative to the two sides 22 of ring 6.In addition, excision face 21a relative to
The moving direction C (assembly orientation) of ring 6 during mounting ring 6 inclined angle alpha is set to less than 30 °.In addition, the lower limit of inclined angle alpha
For 1 ° or so.In the present embodiment, inclined angle alpha=about 30 ° are set to.
Fig. 5 is Fig. 2 Q portions enlarged drawing.In the present embodiment, the inner peripheral surface side at the two ends after being partially cut of ring 6
Top 21b be located in the state of the ring 6 is embedded in groove 5 in groove 5.Specifically, ring 6 is made to be embedded in groove 5
Under state, the top that the top 21b of ring 6 is located at the spline of the periphery of the end 2a than will be formed in fixed shell 2 is connected to each other
Line 31b lean on bottom land side position.More specifically, in the present embodiment, the top 21b of ring 6 is located at the valley of spline
On line 31a connected to each other.In addition, in the present embodiment, the top 21b of the local inner peripheral surface side at the two ends of ring 6 is located at
It is that the top 21b of finger ring 6 does not exceed the top of the spline for the periphery that will be formed in fixed shell 2 each other to radial outside in groove 5
The line 31b of link.In addition, from by the complete cycle of ring bear load it is such from the viewpoint of, preferably on the basis that ensure that inclined angle alpha
On, the top 21b of ring 6 is leaned on footpath positioned at the valley of the spline of the periphery than will be formed in fixed shell 2 line 31a connected to each other
(further preferably as in the present embodiment, it is located at the top 21b of ring 6 to connect the valley of spline each other to the position of inner side
On the line 31a of knot).
In addition, two faces of the inner peripheral surface side of ring 6 are respectively formed on as top in addition to the part at its both ends 21 in complete cycle
The conical by its shape (conical surface 22a) attenuated.Moreover, as shown in figure 4, groove 5 be embedded in groove 5 in the state of ring 6 should
Conical surface 22a is relative, be formed with R at bottom two corner 5b (two corner 5b of the bottom of groove 5 are formed as arc-shaped).
The ring of prior art
In order to be compared, the ring of prior art is illustrated.Fig. 8 is provided with the bearing prepressing force mechanism of prior art
The sectional view of decelerator 200, Fig. 9 is the figure of the ring 50 for the semi-circular shape for representing the prior art shown in Fig. 8.As described above,
The part of two ends 21 of the inner circumferential side of the ring 6 of one embodiment of the present invention is removed, so that the radial dimension of each ring 6
Two ends closer to each ring 6 are smaller, but comparative example ring 50 as shown in figure 9, two end is not removed.
Rotate assembling of the housing to fixed shell
Fig. 6 is the sectional view of the state for the assembling midway for representing the decelerator 100 shown in Fig. 1, and the B-B that Fig. 7 is Fig. 6 is cutd open
View.To fixed shell 2 assembling rotation housing 3 when, as shown in fig. 7, will be embedded in located at fixed shell 2 groove 5 in it
The state of preceding ring 6 is that the outer peripheral face of ring 6 is abutted against with rotating the inner peripheral surface of housing 3.Moreover, by making ring 6 from the state edge
Assembly orientation C (towards the direction of the central shaft of decelerator 100) is mobile, so that ring 6 to be embedded in the groove 5 for being located at fixed shell 2
It is interior.The excision face 21a at inclined cut, its inner circumferential side the both ends 21 of ring 6 is abutted with fixed shell 2 first, and ring 6 is certainly
Excision face 21a starts embedded groove 5.By by the inclined cut of both ends 21 of the inner circumferential side of ring 6, so as in embedded rings
(state of the ring 6 of the top in Fig. 7) makes ring 6 turn into compared in the past closer to the state of fixed shell 2.
As shown in figure 4, due to groove 5 by between the end face 5a of the side of bearing unit 4 and the stage portion 16 of fixed shell 2 away from
Obtained chi is added with the thickness of pad 20 from the width of itself of bearing unit 4 in the state of being not embedded into less than ring 6 in groove 5
Very little (ring 6 is not embedded into the width of the bearing unit 4 in the state of groove 5), therefore, by by the embedded groove 5 of ring 6 to bearing unit
4 (a pair of bearings 11a, 11b) apply precompressed.Thus, using the bearing unit 4 (a pair of bearings 11a, 11b), housing 3 will be rotated
Fixed shell 2 is fixedly supported on to rotate free mode relative to fixed shell 2.
Action effect
In the bearing prepressing force mechanism of the present invention, the embedded ring in the groove of the periphery of fixed shell is divided into many
Individual (being divided into two in the above-described embodiment, but it is also possible to be divided into more than three), is divided into the inner circumferential of multiple rings
The part at the two ends of side is removed, so that the radial dimension of each ring is smaller closer to the two ends of each ring.As a comparison case, scheme
The part at the two ends of the ring 50 of the prior art shown in 9 is not removed.In the case of comparative example, fixed shell 2 and rotation
Ring embedded space between housing 3 becomes big.(the protrusion surplus prominent to the radial outside of fixed shell 2 of ring 50 is big).The opposing party
Face, using the ring of the bearing prepressing force mechanism of the present invention, due to the inner circumferential side of ring two ends it is local with closer to the two of each ring
The mode that the radial dimension of the end then ring is smaller is removed, therefore, ring embedded groove since the excision face, can reduce set casing
Ring embedded space between body 2 and rotation housing 3 (the protrusion surplus prominent to the radial outside of fixed shell 2 of ring 6 is small).It is tied
Really, shell of revolution body can be made (to compare D portions and Fig. 8 shell of revolution of the rotation housing 3 of reference picture 1 compared to more path in the past
The D portions of body 3).Further, since the wall thickness of rotation housing can be made (to compare the rotation housing 3 of reference picture 1 more than conventional wall thickness
E portions and Fig. 8 rotation housing 3 E portions), therefore, also with can reduce because gear transmit act on rotation housing should
Power, the effect that the intensity for rotating housing can be improved.
In the present embodiment, the top 21b of inner peripheral surface side at the two ends being partially cut of ring 6 is made the ring 6 is embedding
It is located in the state of entering in groove 5 in groove 5.Using the structure, even if being cut off to ring, also can as in the pastly with
The complete cycle of ring bears load, therefore, and the posture of bearing unit is more stablized.
Here, the local excision face 21a at the two ends of ring 6 can also as the crow flies be tilted unlike present embodiment, and
Be set to along it is in the end 2a of fixed shell 2, than groove 5 by planetary gears R sides part outer shape (with it is outer
Shape shape is consistent) face of circular shape.From the point of view of present embodiment, it is set to will be formed in fixed shell along (consistent therewith)
The face of the top of the spline of 2 end 2a periphery line 31b connected to each other (circle 31b) circular shape.Using the structure, energy
Enough protrusion surpluses for reducing ring 6 in the case where not reducing the bearing part of two top ends of ring 6.
In the present embodiment, as shown in figure 5, in the state of the ring 6 for being divided into two is embedded in groove 5, in ring 6
There is gap S, but it is also possible to make the end face of ring 6 phase each other in the state of the ring 6 is embedded in groove 5 between mutual end face
Abut.Using the structure, mutual movement is limited by two rings 6, therefore, the fixation of ring 6 is more stablized.As a result, bearing
The posture of unit 4 is more stablized.
In the present embodiment, two faces of the inner peripheral surface side of ring 6 are all formed as the conical by its shape (conical surface that top attenuates
22a), moreover, two corner 5b of the bottom of groove 5 are formed as arc-shaped.Using the structure, by two faces of the inner peripheral surface side of ring 6
Be set to the conical by its shape (conical surface 22a) that top attenuates, two corner 5b of the bottom of groove 5 R can be increased, can relax this two
Stress concentration at individual corner 5b.
Claims (4)
1. a kind of bearing prepressing force mechanism of decelerator, it is applied to decelerator, to by rotation housing to be revolved relative to fixed shell
Turn the bearing application precompressed that free mode is supported on fixed shell, the bearing prepressing force mechanism of the decelerator is characterised by, is wrapped
Include：
The fixed shell, it is formed on the outer periphery stage portion；
Bearing unit, it is formed in the way of a pair of bearings, and a side engages with the stage portion；
Groove, it is located at the periphery of the fixed shell, and is formed at the position adjacent with the another side of the bearing unit；
Ring, it is by the embedded groove to be applied with the another of the state limit of the precompressed bearing unit to the bearing unit
The position of side；And
The rotation housing, it is clipped between the pair of bearing, by a pair of bearings with relative to fixed shell rotation
Turn free mode and be supported on the fixed shell,
The ring be divided into it is multiple,
The part for being divided into the inner circumferential side at the two ends of multiple rings is partially cut, so that the radial dimension of each ring
Two ends closer to ring each described are smaller.
2. the bearing prepressing force mechanism of decelerator according to claim 1, it is characterised in that
The top of the inner peripheral surface side of two end portions after being partially cut of the ring is in the shape for making the ring be embedded in the groove
It is located under state in groove.
3. the bearing prepressing force mechanism of decelerator according to claim 1 or 2, it is characterised in that
It is divided into the end face of multiple rings against each other in the state of the ring is embedded in the groove.
4. the bearing prepressing force mechanism of decelerator according to claim 1 or 2, it is characterised in that
Two faces of the inner peripheral surface side of the ring are formed as closer to the narrower conical by its shape of top spacing,
Two corners of the bottom of the groove are formed as arc-shaped.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014050192A JP6326252B2 (en) | 2014-03-13 | 2014-03-13 | Reduction gear bearing preload mechanism |
| JP2014-050192 | 2014-03-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104913023A CN104913023A (en) | 2015-09-16 |
| CN104913023B true CN104913023B (en) | 2017-08-04 |
Family
ID=54082353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510104635.0A Active CN104913023B (en) | 2014-03-13 | 2015-03-10 | The bearing prepressing force mechanism of decelerator |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6326252B2 (en) |
| KR (1) | KR101697854B1 (en) |
| CN (1) | CN104913023B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7444551B2 (en) * | 2019-05-31 | 2024-03-06 | ナブテスコ株式会社 | Bearing assembly structure of rotating equipment |
| JP7349937B2 (en) * | 2020-03-04 | 2023-09-25 | 住友重機械工業株式会社 | Flexible mesh gear system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103542042A (en) * | 2012-07-11 | 2014-01-29 | 株式会社捷太格特 | Speed reduction mechanism and motor torque transmission apparatus including the same |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3920342A (en) * | 1974-05-17 | 1975-11-18 | Charles W Warda | Bearing locking device |
| JPS53150349U (en) * | 1977-05-04 | 1978-11-27 | ||
| JPH09100820A (en) * | 1995-10-04 | 1997-04-15 | Ntn Corp | Bearing inner ring fixing stopper ring and bearing fixing structure using it |
| JP3510726B2 (en) * | 1995-12-25 | 2004-03-29 | Ｎｔｎ株式会社 | Roller bearing |
| JP2005265057A (en) * | 2004-03-18 | 2005-09-29 | Nsk Ltd | Thin rolling bearing with retaining ring |
| JP4694899B2 (en) * | 2005-06-22 | 2011-06-08 | ナブテスコ株式会社 | Reduction gear bearing preload mechanism |
-
2014
- 2014-03-13 JP JP2014050192A patent/JP6326252B2/en active Active
-
2015
- 2015-03-10 CN CN201510104635.0A patent/CN104913023B/en active Active
- 2015-03-12 KR KR1020150034621A patent/KR101697854B1/en active IP Right Grant
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103542042A (en) * | 2012-07-11 | 2014-01-29 | 株式会社捷太格特 | Speed reduction mechanism and motor torque transmission apparatus including the same |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20150107666A (en) | 2015-09-23 |
| CN104913023A (en) | 2015-09-16 |
| KR101697854B1 (en) | 2017-01-18 |
| JP6326252B2 (en) | 2018-05-16 |
| JP2015175388A (en) | 2015-10-05 |
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