CN106195138A - A kind of RV reductor - Google Patents
A kind of RV reductor Download PDFInfo
- Publication number
- CN106195138A CN106195138A CN201610808821.7A CN201610808821A CN106195138A CN 106195138 A CN106195138 A CN 106195138A CN 201610808821 A CN201610808821 A CN 201610808821A CN 106195138 A CN106195138 A CN 106195138A
- Authority
- CN
- China
- Prior art keywords
- bearing
- clutch shaft
- shaft bearing
- reductor
- axle
- 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
Links
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
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
-
- 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
-
- 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
- F16H57/022—Adjustment of gear shafts or bearings
-
- 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
- F16H57/08—General details of gearing of gearings with members having orbital motion
-
- 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
- F16H57/022—Adjustment of gear shafts or bearings
- F16H2057/0221—Axial adjustment
-
- 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
- F16H57/08—General details of gearing of gearings with members having orbital motion
- F16H2057/087—Arrangement and support of friction devices in planetary gearings, e.g. support of clutch drums, stacked arrangements of friction devices
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention provides a kind of RV reductor, be taper roll bearing including clutch shaft bearing, the second bearing, pivot flange, axle and the shell of hollow, clutch shaft bearing and the second bearing；The inner hole wall of shell is provided with interior step；The cylindrical wall of axle is provided with the first outer step；The cylindrical wall of pivot flange is provided with the second outer step；Clutch shaft bearing is arranged on the left side of interior step, the cylindrical wall of clutch shaft bearing contacts with the inner hole wall of shell, the inner hole wall of clutch shaft bearing contacts with the cylindrical wall of axle, the bearing capacity of bearing is substantially increased by the angular contact bearing between axle and shell is replaced by taper roll bearing, improve bearing capacity and the rigidity of reductor on the basis of not changing the original structure of original reductor, cost is relatively low and easy to maintenance.
Description
Technical field
The present invention relates to a kind of reductor, particularly relate to a kind of RV reductor.
Background technology
RV reductor is a kind of novel transmission mechanism grown up on the basis of Cycloidal pin-wheel drive, and it has volume
The a series of advantage such as little, lightweight, gear range is big, transmission efficiency is high, has than simple cycloid pinwheel planetary gear transmission system
Less volume and bigger overload capacity, and output shaft rigidity is big, thus the most in widespread attention, in day machine
In the drive mechanism of people, the most gradually replace simple cycloid pinwheel planetary gear transmission system and harmonic drive.
Robot field, RV reductor is frequently applied to, and is commonly used in lining joint and the shoulder joint of robot, needs outstanding
Arm-type crawl weight, so its rigidity is critically important.But, the bearing type of existing robot RV speed reducer output shaft is angle
Contact ball bearing, bearing capacity is limited.
Summary of the invention
The technical problem to be solved in the present invention is: the inferior position low in order to solve existing RV reductor bearing capacity, this
The bright one RV reductor that provides is to solve the problems referred to above.
The technical solution adopted for the present invention to solve the technical problems is: a kind of RV reductor, including clutch shaft bearing, second
The shell of bearing, pivot flange, axle and hollow, described clutch shaft bearing and the second bearing are taper roll bearing；Described shell
Inner hole wall is provided with radially protruding interior step；Described clutch shaft bearing and the back-to-back setting of the second bearing；Described clutch shaft bearing
It is arranged on the left side of interior step, the outer ring cylindrical wall of clutch shaft bearing and the fixing connection of the inner hole wall of shell, described clutch shaft bearing
The cylindrical wall of inner ring inner hole wall and described axle is fixing to be connected；Described second bearing is arranged on the right side of interior step, the second bearing
The inner hole wall of outer ring cylindrical wall and shell is fixing to be connected, the inner ring inner hole wall of described second bearing and the cylindrical of described pivot flange
Wall is fixing to be connected.
Further: on the cylindrical wall of described axle, the first radially protruding outer step it is provided with at nearly left side；Described
On the cylindrical wall that staying is blue, at nearly right side, it is provided with the second radially protruding outer step；The right flank of described first outer step
Fitting the inner ring left surface of described clutch shaft bearing, the left surface of described interior step is fitted the outer ring right flank of described clutch shaft bearing；
The inner ring right flank of left surface described second bearing of laminating of described second outer step, the right flank laminating of described interior step is described
The outer ring left surface of the second bearing.
Further: the pressure angle of described clutch shaft bearing and the second bearing is 45 °.
Further: described clutch shaft bearing includes the first retainer, circumferentially arranged with several on described first retainer
First roller；Described second bearing includes the second retainer, circumferentially arranged with several the second rollers on described second retainer.
Further: between right side and the left side of pivot flange of described axle, be provided with adjustment pad.
The invention has the beneficial effects as follows, the present invention a kind of RV reductor is by by the angular contact bearing between axle and shell more
It is changed to taper roll bearing and substantially increases the bearing capacity of bearing, carry on the basis of not changing the original structure of original reductor
The bearing capacity of high reductor and rigidity, cost is relatively low and easy to maintenance.
Accompanying drawing explanation
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of the present invention a kind of RV reductor optimum embodiment；
Fig. 2 is the structural representation of clutch shaft bearing；
Fig. 3 is the structural representation of the second bearing.
In figure 1, axle, 2, pivot flange, 3, shell, 4, clutch shaft bearing, the 5, second bearing, the 6, first outer step, 7, second
Outer step, 8, interior step, 9, adjust pad, the 10, first roller, the 11, first retainer, the 12, second roller, 13, second keeps
Frame.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, the most from start to finish
Same or similar label represents same or similar element or has the element of same or like function.Below with reference to attached
The embodiment that figure describes is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.On the contrary, originally
Inventive embodiment includes all changes in the range of the spirit falling into attached claims and intension, revises and be equal to
Thing.
In describing the invention, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward ", " axially ",
" radially ", the orientation of the instruction such as " circumferential " or position relationship be based on orientation shown in the drawings or position relationship, merely to just
In describe the present invention and simplifying describe rather than instruction or the hint device of indication or element must have specific orientation, with
Specific azimuth configuration and operation, be therefore not considered as limiting the invention.
Additionally, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicate or imply relatively important
Property.In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " is connected ", " connection " should
It is interpreted broadly, connects for example, it may be fixing, it is also possible to be to removably connect, or be integrally connected；Can be that machinery connects
Connect, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary.Common for this area
For technical staff, above-mentioned term concrete meaning in the present invention can be understood with concrete condition.Additionally, in description of the invention
In, except as otherwise noted, " multiple " are meant that two or more.
In flow chart or at this, any process described otherwise above or method description are construed as, and expression includes
One or more is for realizing the module of code, fragment or the portion of the executable instruction of the step of specific logical function or process
Point, and the scope of the preferred embodiment of the present invention includes other realization, wherein can not by shown or discuss suitable
Sequence, including according to involved function by basic mode simultaneously or in the opposite order, performs function, and this should be by the present invention
Embodiment person of ordinary skill in the field understood.
As it is shown in figure 1, the invention provides a kind of RV reductor, including clutch shaft bearing the 4, second bearing 5, pivot flange 2,
The shell 3 of axle 1 and hollow, described clutch shaft bearing 4 and the second bearing 5 are taper roll bearing；Set on the inner hole wall of described shell 3
There is radially protruding interior step 8；Described clutch shaft bearing 4 and the second back-to-back setting of bearing 5；Described clutch shaft bearing 4 is arranged on
The left side of interior step 8, the outer ring cylindrical wall of clutch shaft bearing 4 and the inner hole wall of shell 3 are fixing to be connected, described clutch shaft bearing 4 interior
The cylindrical wall of circle inner hole wall and described axle 1 is fixing to be connected；Described second bearing 5 is arranged on the right side of interior step 8, the second bearing 5
Outer ring cylindrical wall and the inner hole wall of shell 3 is fixing connects, the inner ring inner hole wall of described second bearing 5 and described pivot flange 2
Cylindrical wall fixing connect.
On the cylindrical wall of described axle 1, at nearly left side, it is provided with the first radially protruding outer step 6；Described pivot flange 2
Cylindrical wall on, be provided with the second radially protruding outer step 7 at nearly right side；The right flank laminating of described first outer step 6
The inner ring left surface of described clutch shaft bearing 4, the outer ring right flank of the left surface described clutch shaft bearing 4 of laminating of described interior step 8；Institute
State the second outer step 7 left surface fit described second bearing 5 inner ring right flank, described interior step 8 right flank laminating institute
State the outer ring left surface of the second bearing 5.
Supported by taper roll bearing between axle 1 and the shell 3 of described RV decelerator, the angular contact ball before instead of
The supporting way of bearing, on the premise of meeting kinematic accuracy, substantially increases bearing capacity, makes output shaft 1 can have more
High bearing capacity.Taper roll bearing can also bear higher axial force in addition to can bearing bigger radial force,
Use back-to-back bearing Installation Modes, and be fixed by connection mutual between axle 1 and pivot flange 2 so that first
The inside and outside circle of bearing 4 and the second bearing 5 tightens up fixing, and such axle 1 just can bear the external force of the most inside and outside both direction.
The pressure angle of described clutch shaft bearing 4 and the second bearing 5 is 45 °, and pressure angle is relatively big so that clutch shaft bearing 4 and the
Two bearings 5 bear the ability of axial force and are greatly improved, and the pressure angle of 45 ° can be on the premise of satisfied radial direction bearing capacity, to the greatest extent
Improve axial carrying capacity possibly.
With inner ring hole a size of 144mm, excircle dimension is 174mm, as a example by width is the bearing of 15mm, and original angular contact
Bearing technology parameter is radial rigidity 39.5KN/mm；Axial rigidity 55.7KN/mm；Roll stiffness 45328Nm/rad, and circular cone
The technical parameter of roller bearing is radial rigidity 409.7KN/mm；Axial rigidity 836.8KN/mm；Roll stiffness 1956130Nm/
Rad, this shows that the bearing capacity of bearing is greatly improved.
As shown in Figures 2 and 3, described clutch shaft bearing 4 includes the first retainer 11, on described first retainer 11 circumferentially
It is provided with several the first rollers 10；Described second bearing 5 includes the second retainer 13, and described second retainer 13 circumferentially sets
Several the second rollers 12, the first retainer 11 and the second retainer 13 is had to can ensure that the first roller 10 and the second roller 12 exist
Normally roll between corresponding inner ring and outer ring, it is ensured that what bearing ran stablizes.
Being provided with adjustment pad 9 between right side and the left side of pivot flange 2 of described axle 1, adjusting pad 9 can protect
Card clutch shaft bearing 4 and the second bearing 5 inner ring and outer ring when back-to-back installation can be regulated adjust pad by correctly pretension
The thickness of 9 can obtain different Pre strained states.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or spy
Point is contained at least one embodiment or the example of the present invention.In this manual, to the schematic representation of described term not
Necessarily refer to identical embodiment or example.And, the specific features of description, structure, material or feature can be any
One or more embodiments or example in combine in an appropriate manner.
With the above-mentioned desirable embodiment according to the present invention for enlightenment, by above-mentioned description, relevant staff is complete
Entirely can carry out various change and amendment in the range of without departing from this invention technological thought.The technology of this invention
The content that property scope is not limited in description, it is necessary to determine its technical scope according to right.
Claims (5)
1. a RV reductor, including clutch shaft bearing (4), the second bearing (5), pivot flange (2), axle (1) and the shell of hollow
(3), it is characterised in that: described clutch shaft bearing (4) and the second bearing (5) they are taper roll bearing；The inner hole wall of described shell (3)
It is provided with radially protruding interior step (8)；Described clutch shaft bearing (4) and the second bearing (5) back-to-back setting；Described first axle
Hold (4) and be arranged on the left side of interior step (8), the outer ring cylindrical wall of clutch shaft bearing (4) and the fixing connection of the inner hole wall of shell (3),
The inner ring inner hole wall of described clutch shaft bearing (4) and the fixing connection of the cylindrical wall of described axle (1)；Described second bearing (5) is arranged on
The right side of interior step (8), the outer ring cylindrical wall of the second bearing (5) and the inner hole wall of shell (3) are fixing to be connected, described second bearing
(5) inner ring inner hole wall and the fixing connection of the cylindrical wall of described pivot flange (2).
2. a kind of RV reductor as claimed in claim 1, it is characterised in that: on the cylindrical wall of described axle (1), at nearly left side
It is provided with radially protruding the first outer step (6)；On the cylindrical wall of described pivot flange (2), it is provided with radially at nearly right side
Protruding the second outer step (7)；The inner ring left surface of the right flank described clutch shaft bearing of laminating (4) of described first outer step (6),
The outer ring right flank of the left surface described clutch shaft bearing of laminating (4) of described interior step (8)；The left side of described second outer step (7)
The inner ring right flank of described second bearing (5) of face laminating, right flank described second bearing (5) of laminating of described interior step (8)
Outer ring left surface.
3. RV reductor as claimed in claim 2 a kind of, it is characterised in that: described clutch shaft bearing (4) and the second bearing (5)
Pressure angle is 45 °.
4. a kind of RV reductor as claimed in claim 2, it is characterised in that: described clutch shaft bearing (4) includes the first retainer
(11), circumferentially arranged with several the first rollers (10) on described first retainer (11)；Described second bearing (5) includes second
Retainer (13), circumferentially arranged with several the second rollers (12) on described second retainer (13).
5. a kind of RV reductor as claimed in claim 2, it is characterised in that: the right side of described axle (1) and pivot flange (2)
Left side between be provided with adjustment pad (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610808821.7A CN106195138A (en) | 2016-09-07 | 2016-09-07 | A kind of RV reductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610808821.7A CN106195138A (en) | 2016-09-07 | 2016-09-07 | A kind of RV reductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106195138A true CN106195138A (en) | 2016-12-07 |
Family
ID=58067536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610808821.7A Pending CN106195138A (en) | 2016-09-07 | 2016-09-07 | A kind of RV reductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106195138A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106523521A (en) * | 2017-01-06 | 2017-03-22 | 洛阳轴研科技股份有限公司 | Bearing assembly, shaft system length regulating method and RV speed reducer |
| CN112983974A (en) * | 2021-04-23 | 2021-06-18 | 捷诺传动系统(常州)有限公司 | Tapered roller bearing clearance adjusting device and gear reducer |
-
2016
- 2016-09-07 CN CN201610808821.7A patent/CN106195138A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106523521A (en) * | 2017-01-06 | 2017-03-22 | 洛阳轴研科技股份有限公司 | Bearing assembly, shaft system length regulating method and RV speed reducer |
| CN112983974A (en) * | 2021-04-23 | 2021-06-18 | 捷诺传动系统(常州)有限公司 | Tapered roller bearing clearance adjusting device and gear reducer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161207 |
|
| RJ01 | Rejection of invention patent application after publication |