CN206017587U - A kind of RV reductors - Google Patents
A kind of RV reductors Download PDFInfo
- Publication number
- CN206017587U CN206017587U CN201621041655.4U CN201621041655U CN206017587U CN 206017587 U CN206017587 U CN 206017587U CN 201621041655 U CN201621041655 U CN 201621041655U CN 206017587 U CN206017587 U CN 206017587U
- Authority
- CN
- China
- Prior art keywords
- bearing
- clutch shaft
- shaft bearing
- axle
- cylindrical wall
- 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.)
- Expired - Fee Related
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- Mechanical Operated Clutches (AREA)
Abstract
This utility model provides a kind of RV reductors, and including clutch shaft bearing, second bearing, pivot flange, axle and hollow shell, clutch shaft bearing and second bearing are taper roll 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 inner hole wall contact of the cylindrical wall and shell of clutch shaft bearing, the cylindrical wall contact of the inner hole wall and axle of clutch shaft bearing, by the angular contact bearing between axle and shell is replaced by the bearing capacity that taper roll bearing substantially increases bearing, the bearing capacity and rigidity of reductor is improve on the basis of the original structure of original reductor is not changed, and cost is relatively low and easy to maintenance.
Description
Technical field
This utility model is related to a kind of reductor, more particularly to a kind of RV reductors.
Background technology
RV reductors are a kind of novel transmission mechanisms 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 in widespread attention at home and abroad, in day machine
In the drive mechanism of people, simple cycloid pinwheel planetary gear transmission system harmonic has gradually been replaced to be driven to a great extent.
In robot field, RV reductors are frequently applied to, and are commonly used in lining joint and the shoulder joint of robot, need outstanding
Arm-type crawl weight, so its rigidity is critically important.However, the bearing type of existing robot RV speed reducer output shafts is angle
Contact ball bearing, bearing capacity are limited.
Utility model content
The technical problems to be solved in the utility model is：The inferior position low in order to solve existing RV reductors bearing capacity,
This utility model provides a kind of RV reductors to solve the above problems.
This utility model solves the technical scheme adopted by its technical problem：A kind of RV reductors, including clutch shaft bearing,
Second bearing, pivot flange, axle and hollow shell, the clutch shaft bearing and second bearing are taper roll bearing；Described outer
The inner hole wall of shell is provided with radially raised interior step；The clutch shaft bearing and the back-to-back setting of second bearing；Described first
Bearing is arranged on the left side of interior step, and the cylindrical wall in the outer ring of clutch shaft bearing is fixedly connected with the inner hole wall of shell, the first axle
The inner ring inner hole wall for holding is fixedly connected with the cylindrical wall of the axle；The second bearing is arranged on the right side of interior step, the second axle
The cylindrical wall in the outer ring held is fixedly connected with the inner hole wall of shell, the inner ring inner hole wall and the pivot flange of the second bearing
Cylindrical wall is fixedly connected.
Further：On the cylindrical wall of the axle, the first radially raised outer step at nearly left side, is provided with；Described
On the blue cylindrical wall of staying, the second radially raised outer step at nearly right side, is provided with；The right flank of first outer step
Fit the inner ring left surface of the clutch shaft bearing, the left surface of the interior step is fitted the outer ring right flank of the clutch shaft bearing；
The left surface of second outer step is fitted the inner ring right flank of the second bearing, and the right flank laminating of the interior step is described
The outer ring left surface of second bearing.
Further：The pressure angle of the clutch shaft bearing and second bearing is 45 °.
Further：The clutch shaft bearing includes the first retainer, circumferentially arranged with several on first retainer
First roller；The second bearing includes the second retainer, circumferentially arranged with several the second rollers on second retainer.
Further：Adjust pad is provided between the right side of the axle and the left side of pivot flange.
The beneficial effects of the utility model are that a kind of RV reductors of this utility model pass through the corner connection between axle and shell
Contact bearing is replaced by the bearing capacity that taper roll bearing substantially increases bearing, is not changing the original structure of original reductor
On the basis of improve the bearing capacity and rigidity of reductor, cost is relatively low and easy to maintenance.
Description of the drawings
With reference to the accompanying drawings and examples this utility model is further illustrated.
Fig. 1 is a kind of structural representation of RV reductors optimum embodiment of this utility model；
Fig. 2 is the structural representation of clutch shaft bearing；
Fig. 3 is the structural representation of second bearing.
1, axle in figure, 2, pivot flange, 3, shell, 4, clutch shaft bearing, 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.
Specific embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein ad initio
Same or similar element is represented to same or similar label eventually or the element with same or like function.Below by ginseng
The embodiment for examining Description of Drawings is exemplary, is only used for explaining this utility model, and it is not intended that to of the present utility model
Limit.Conversely, embodiment of the present utility model includes that fallen in the range of the spirit and intension of attached claims owns
Change, modification and equivalent.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " horizontal ", " length ", " width
Degree ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward ", " axle
To ", " radially ", the orientation of the instruction such as " circumference " or position relationship be based on orientation shown in the drawings or position relationship, be only for
It is easy to the description present invention and simplifies description, rather than indicates or the device or element of hint indication there must be specific side
Position, 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 indicating or implying relatively important
Property.In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " being connected ", " company
Connect " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or it is integrally connected；It can be machine
Tool connection, or electrical connection；Can be joined directly together, it is also possible to be indirectly connected to by intermediary.For this area
For those of ordinary skill, concrete meaning of the above-mentioned term in this utility model can be understood with concrete condition.Additionally, in this reality
With in new description, unless otherwise stated, " multiple " are meant that two or more.
In flow chart or here any process described otherwise above or method description are construed as, expression includes
One or more for realizing specific logical function or process the step of the module of code of executable instruction, fragment or portion
Point, and the scope of preferred implementation of the present utility model includes other realization, can not wherein press shown or discuss
Order, including according to involved function by basic simultaneously in the way of or in the opposite order, carry out perform function, this should be by this
The embodiment person of ordinary skill in the field of utility model is understood.
As shown in figure 1, this utility model provides a kind of RV reductors, including clutch shaft bearing 4, second bearing 5, supporting methods
Blue 2, axle 1 and hollow shell 3, the clutch shaft bearing 4 and second bearing 5 are taper roll bearing；The inner hole wall of the shell 3
It is provided with radially raised interior step 8；The 5 back-to-back setting of the clutch shaft bearing 4 and second bearing；The clutch shaft bearing 4 sets
Put in the left side of interior step 8, the cylindrical wall in the outer ring of clutch shaft bearing 4 is fixedly connected with the inner hole wall of shell 3, the clutch shaft bearing 4
Inner ring inner hole wall be fixedly connected with the cylindrical wall of the axle 1；The second bearing 5 is arranged on the right side of interior step 8, the second axle
Hold the 5 cylindrical wall in outer ring to be fixedly connected with the inner hole wall of shell 3, the inner ring inner hole wall and the supporting methods of the second bearing 5
Blue 2 cylindrical wall is fixedly connected.
On the cylindrical wall of the axle 1, the first radially raised outer step 6 at nearly left side, is provided with；The pivot flange 2
Cylindrical wall on, be provided with the second radially raised outer step 7 at nearly right side；The right flank laminating of first outer step 6
The inner ring left surface of the clutch shaft bearing 4, the left surface of the interior step 8 are fitted the outer ring right flank of the clutch shaft bearing 4；Institute
The left surface for stating the second outer step 7 is fitted the inner ring right flank of the second bearing 5, the right flank laminating institute of the interior step 8
State the outer ring left surface of second bearing 5.
Supported by taper roll bearing between the axle 1 and shell 3 of the RV decelerators, the angular contact ball before instead of
The supporting way of bearing, on the premise of kinematic accuracy is met, substantially increases bearing capacity, output shaft 1 is had more
High bearing capacity.Taper roll bearing can also bear higher axial force in addition to it can bear larger radial force,
Using back-to-back bearing Installation Modes, and it is fixed by mutual connection between axle 1 and pivot flange 2 so that first
The inside and outside circle of bearing 4 and second bearing 5 tightens up fixation, and such axle 1 can just bear the external force of both direction inside and outside axially.
The pressure angle of the clutch shaft bearing 4 and second bearing 5 is 45 °, and pressure angle is larger can to cause clutch shaft bearing 4 and the
Two bearings 5 bear the ability of axial force and greatly improve, and 45 ° of pressure angle can be on the premise of radial direction bearing capacity be met, to the greatest extent
Axial carrying capacity is possibly improved.
With inner ring hole size as 144mm, excircle dimension is 174mm, as a example by width is for the bearing of 15mm, 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, it can be seen that the bearing capacity of bearing is improved significantly.
As shown in Figures 2 and 3, the clutch shaft bearing 4 includes the first retainer 11, on first retainer 11 circumferentially
It is provided with several the first rollers 10；The second bearing 5 includes the second retainer 13, circumferentially sets on second retainer 13
There are several the second rollers 12, the first retainer 11 and the second retainer 13 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.
Adjust pad 9 is provided between the left side of the right side of the axle 1 and pivot flange 2, and adjust pad 9 can be protected
Card clutch shaft bearing 4 and second bearing 5 inner ring and outer ring in back-to-back installation can be adjusted adjust pad by correctly pretension
9 thickness can obtain different Pre strained states.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy described with reference to the embodiment or example
Point is contained at least one embodiment of the present utility model or example.In this manual, the schematic table to the term
State and be not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or feature can be
Combined in any one or more embodiments or example in an appropriate manner.
With above-mentioned according to desirable embodiment of the present utility model as enlightenment, by above-mentioned description, related work people
Member can carry out various change and modification completely in the range of without departing from this utility model technological thought.This reality
The content being not limited to new technical scope in description, it is necessary to determine its technology according to right
Property scope.
Claims (5)
1. a kind of RV reductors, including clutch shaft bearing（4）, second bearing（5）, pivot flange（2）, axle（1）With hollow shell
（3）, it is characterised in that：The clutch shaft bearing（4）And second bearing（5）For taper roll bearing；The shell（3）Inner hole wall
It is provided with radially raised interior step（8）；The clutch shaft bearing（4）And second bearing（5）Back-to-back setting；The first axle
Hold（4）It is arranged on interior step（8）Left side, clutch shaft bearing（4）The cylindrical wall in outer ring and shell（3）Inner hole wall be fixedly connected,
The clutch shaft bearing（4）Inner ring inner hole wall and the axle（1）Cylindrical wall be fixedly connected；The second bearing（5）It is arranged on
Interior step（8）Right side, second bearing（5）The cylindrical wall in outer ring and shell（3）Inner hole wall be fixedly connected, the second bearing
（5）Inner ring inner hole wall and the pivot flange（2）Cylindrical wall be fixedly connected.
2. a kind of RV reductors as claimed in claim 1, it is characterised in that：The axle（1）Cylindrical wall on, at nearly left side
It is provided with the first radially raised outer step（6）；The pivot flange（2）Cylindrical wall on, be provided with radially at nearly right side
The second raised outer step（7）；First outer step（6）Right flank fit the clutch shaft bearing（4）Inner ring left surface,
The interior step（8）Left surface fit the clutch shaft bearing（4）Outer ring right flank；Second outer step（7）Left side
The face laminating second bearing（5）Inner ring right flank, the interior step（8）Right flank fit the second bearing（5）'s
Outer ring left surface.
3. a kind of RV reductors as claimed in claim 2, it is characterised in that：The clutch shaft bearing（4）And second bearing（5）'s
Pressure angle is 45 °.
4. a kind of RV reductors as claimed in claim 2, it is characterised in that：The clutch shaft bearing（4）Including the first retainer
（11）, first retainer（11）On circumferentially arranged with several the first rollers（10）；The second bearing（5）Including second
Retainer（13）, second retainer（13）On circumferentially arranged with several the second rollers（12）.
5. a kind of RV reductors as claimed in claim 2, it is characterised in that：The axle（1）Right side and pivot flange（2）
Left side between be provided with adjust pad（9）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621041655.4U CN206017587U (en) | 2016-09-07 | 2016-09-07 | A kind of RV reductors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621041655.4U CN206017587U (en) | 2016-09-07 | 2016-09-07 | A kind of RV reductors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206017587U true CN206017587U (en) | 2017-03-15 |
Family
ID=58258790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621041655.4U Expired - Fee Related CN206017587U (en) | 2016-09-07 | 2016-09-07 | A kind of RV reductors |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206017587U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110985639A (en) * | 2019-12-06 | 2020-04-10 | 珠海格力电器股份有限公司 | Speed reducer gasket, speed reducer and thickness determination method of speed reducer gasket |
-
2016
- 2016-09-07 CN CN201621041655.4U patent/CN206017587U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110985639A (en) * | 2019-12-06 | 2020-04-10 | 珠海格力电器股份有限公司 | Speed reducer gasket, speed reducer and thickness determination method of speed reducer gasket |
| CN110985639B (en) * | 2019-12-06 | 2021-09-03 | 珠海格力电器股份有限公司 | Speed reducer gasket and speed reducer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170315 Termination date: 20180907 |