CN208153686U - A kind of matching device of RV retarder bias axle assembly - Google Patents
A kind of matching device of RV retarder bias axle assembly Download PDFInfo
- Publication number
- CN208153686U CN208153686U CN201820434579.6U CN201820434579U CN208153686U CN 208153686 U CN208153686 U CN 208153686U CN 201820434579 U CN201820434579 U CN 201820434579U CN 208153686 U CN208153686 U CN 208153686U
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- axle assembly
- bearing
- planet carrier
- retarder
- tapered roller
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Abstract
The utility model discloses a kind of matching devices of RV retarder bias axle assembly；Including planet carrier, hexagon socket head cap screw, positioning pin, circlip for hole, eccentric axle assembly, rigid mount.The relative position of planet carrier and rigid mount is determined by positioning pin；Planet carrier and rigid mount are locked by hexagon socket head cap screw；Contact shaft section diameter of the eccentric shaft with tapered roller bearing in eccentric axle assembly is less than tapered roller bearing internal ring diameter, in order to match the smooth replacement of part.This matching device adapts to and the production of RV retarder small lot and research and development initial stage, without carrying out size grouping to rotary arm bearing and bearing shim, it in apolegamy tooling, can be matched by trial-and-error method, which makes the error process of eccentric shaft simpler effectively.
Description
Technical field
The utility model relates to bearing matching device more particularly to a kind of matching devices of RV retarder bias axle assembly.
Background technique
RV retarder is a kind of little gear difference planetary driving mechanism of secondary seal formula.It is small in size by its, carrying is big, precision
The advantages that height, long service life, is widely used in the precision drives such as industrial robot field.
RV retarder requires very as a kind of high-accuracy transmission mechanism, driving parts dimensional accuracy and assembly precision
It is high.Core transmission component of the eccentric axle assembly as RV retarder, transmission accuracy and torsion of the assembly precision for RV retarder
Turn rigidity to have decisive impact.The assembly precision of capacity eccentric bearing is mainly reflected in the eccentric pivot hole on eccentric shaft and planet carrier
Fit tolerance effective control, in this case rotary arm bearing, tapered roller bearing, bearing adjustment gasket apolegamy very
It is crucial.Current production practices secondary attack at home, group selective assembly is generally taken in the apolegamy of bearing, i.e., to the outer diameter ruler of eccentric shaft
Eccentric pivot hole internal diameter on very little and rotary arm bearing inside and outside loop diameter, planet carrier measures, according to actual size according to cooperation
Tolerance is grouped.But this method is only applicable in the case where batch production.In the research and development initial stage of RV retarder and small lot
Pilot stage is simultaneously not suitable for.The utility model provides a kind of choosing of simple, the practical and efficient RV retarder bias axle assembly of structure
With device.A kind of matching method of accurate efficient RV retarder bias axle assembly can be provided for correlative study enterprise and department,
To push the production domesticization of RV retarder to contribute.
Summary of the invention
The shortcomings that the purpose of the utility model is to overcome the above-mentioned prior arts and deficiency provide a kind of simple structure, make
With the matching device of convenient RV retarder bias axle assembly.
The utility model is achieved through the following technical solutions：
A kind of matching device of RV retarder bias axle assembly, including planet carrier 1, rigid mount 6；The planet carrier 1 and just
Property stationary body of the frame 6 as eccentric axle assembly 5；
It is symmetrically opened up on the planet carrier 1 there are two through-hole, eccentric axle assembly 5 corresponds to through-hole and is placed on 1 He of planet carrier
Between rigid mount 6；Circlip for hole 4 is equipped in through-hole, outer end face and the circlip for hole 4 of eccentric axle assembly 5 offset；
There are two positioning pins 3 for setting between planet carrier 1 and rigid mount 6；By in four between planet carrier 1 and rigid mount 6
Hex bolts 2 is fixed.
Two planes of the circlip for hole 4 are parallel to each other.
It is described bias axle assembly 5 successively include the first tapered roller bearing 7, first bearing gasket 8, the first rotary arm bearing 9,
Second rotary arm bearing 10, second bearing gasket 11, the second tapered roller bearing 12, eccentric shaft 13；
The eccentric shaft 13 sequentially passes through the first tapered roller bearing 7, first bearing gasket 8, the first rotary arm bearing 9,
Two rotary arm bearings 10, second bearing gasket 11, the second tapered roller bearing 12.
The diameter of the eccentric shaft 13 is less than 12 inner ring diameter of the first tapered roller bearing 7 and the second tapered roller bearing.
A kind of matching method of RV retarder bias axle assembly comprising following steps：
The first initial tapered roller bearing 7 of selection, first bearing gasket 8, the first rotary arm bearing 9, the second rotary arm bearing
10, they are assembled into eccentric axle assembly 5 by second bearing gasket 11, the second tapered roller bearing 12；Then by eccentric axle assembly
5 are put between planet carrier 1 and rigid mount 6, the stationary body of planet carrier 1 and rigid mount 6 as eccentric axle assembly 5；
Planet carrier 1 and rigid mount 6 are positioned by positioning pin 3, applied later with torque wrench to four hexagon socket head cap screws 2
Specified pretightning force finally starts to carry out eccentric axle assembly 5 metrics evaluation, metrics evaluation have two, in particular to：
First item, is whether first bearing gasket 8 and the axial distance of second bearing gasket 11 meet pre-provisioning request；Second
, it is whether the staring torque for starting turning eccentric shaft 13 meets pre-provisioning request；If being unsatisfactory for above two evaluation indexes,
First bearing gasket 8 and second bearing gasket 11 or the first tapered roller bearing 7 and the second circular cone on the eccentric axle assembly 5 of replacement
Roller bearing 12；
According to first item or Section 2 metrics evaluation step, continue apolegamy until meeting metrics evaluation.
The utility model compared with the existing technology, has the following advantages and effect：
The utility model adapts to that initial stage is produced and researched and developed with RV retarder small lot, without to rotary arm bearing and bearing
Gasket carries out size grouping, the stationary body in apolegamy tooling, by planet carrier 1 and rigid mount 6 as eccentric axle assembly 5；
It can be matched in error process by trial-and-error method, which makes the error process of eccentric shaft simpler effectively.
The utility model technological means is simple and easy to do, high reliablity.
Detailed description of the invention
Fig. 1 is the matching device structural schematic diagram of the utility model RV retarder bias axle assembly；
Fig. 2 is the schematic cross-sectional view of planet carrier；
Fig. 3 is the schematic cross-sectional view of rigid mount；
Fig. 4 is the front view of eccentric axle assembly.
Specific embodiment
The utility model is more specifically described in detail combined with specific embodiments below.
Embodiment
As shown in Figs 1-4.The utility model discloses a kind of matching devices of RV retarder bias axle assembly, including planet
Frame 1, rigid mount 6；The stationary body of the planet carrier 1 and rigid mount 6 as eccentric axle assembly 5；
It is symmetrically opened up on the planet carrier 1 there are two through-hole, eccentric axle assembly 5 corresponds to through-hole and is placed on 1 He of planet carrier
Between rigid mount 6；Circlip for hole 4 is equipped in through-hole, outer end face and the circlip for hole 4 of eccentric axle assembly 5 offset；
There are two positioning pins 3 for setting between planet carrier 1 and rigid mount 6；By in four between planet carrier 1 and rigid mount 6
Hex bolts 2 is fixed.
Two planes of the circlip for hole 4 are parallel to each other.Its parallelism error range should control 0.05mm with
Under.
It is described bias axle assembly 5 successively include the first tapered roller bearing 7, first bearing gasket 8, the first rotary arm bearing 9,
Second rotary arm bearing 10, second bearing gasket 11, the second tapered roller bearing 12, eccentric shaft 13；
The eccentric shaft 13 sequentially passes through the first tapered roller bearing 7, first bearing gasket 8, the first rotary arm bearing 9,
Two rotary arm bearings 10, second bearing gasket 11, the second tapered roller bearing 12.
The diameter of the eccentric shaft 13 is less than 12 inner ring diameter of the first tapered roller bearing 7 and the second tapered roller bearing.
The high-strength bolt that bolt grade is 10.9 can be used in four hexagon socket head cap screws 2.
There is helicitic texture in the end of positioning pin 3, and tail portion is interior hexagonal structure；Helicitic texture is convenient for the screw thread with rigid mount 6
Hole is threadedly coupled, and interior hexagonal structure is convenient for tightening and dismantling.
The matching method of the utility model RV retarder bias axle assembly, can be achieved by the steps of：
The first initial tapered roller bearing 7 of selection, first bearing gasket 8, the first rotary arm bearing 9, the second rotary arm bearing
10, they are assembled into eccentric axle assembly 5 by second bearing gasket 11, the second tapered roller bearing 12；Then by eccentric axle assembly
5 are put between planet carrier 1 and rigid mount 6, the stationary body of planet carrier 1 and rigid mount 6 as eccentric axle assembly 5；
Planet carrier 1 and rigid mount 6 are positioned by positioning pin 3, applied later with torque wrench to four hexagon socket head cap screws 2
Specified pretightning force finally starts to carry out eccentric axle assembly 5 metrics evaluation, metrics evaluation have two, in particular to：
First item, is whether first bearing gasket 8 and the axial distance of second bearing gasket 11 meet pre-provisioning request；Second
, it is whether the staring torque for starting turning eccentric shaft 13 meets pre-provisioning request；If being unsatisfactory for above two evaluation indexes,
First bearing gasket 8 and second bearing gasket 11 or the first tapered roller bearing 7 and the second circular cone on the eccentric axle assembly 5 of replacement
Roller bearing 12；
According to first item or Section 2 metrics evaluation step, continue apolegamy until meeting metrics evaluation.
Specifically, above-mentioned evaluation index namely measures the axis of eccentric shaft first bearing gasket 8 Yu second bearing gasket 11
To distance, the deviation of itself and standard value is calculated, replace bearing shim (first bearing gasket 8 and second bearing gasket 11) or is turned
Arm axle holds the deviation with reduction and standard value.It is inclined with standard value to calculate it so that the torque torque that eccentric shaft 13 rotates for measurement
Difference, it is inclined with standard value to reduce to replace tapered roller bearing (the first tapered roller bearing 7 and the second tapered roller bearing 12)
Difference.
As described above, the utility model can be realized preferably.
The embodiments of the present invention is simultaneously not restricted to the described embodiments, other are any without departing from the utility model
Made changes, modifications, substitutions, combinations, simplifications under spiritual essence and principle, should be equivalent substitute mode, are included in
Within the protection scope of the utility model.
Claims (5)
1. a kind of matching device of RV retarder bias axle assembly, it is characterised in that：Including planet carrier (1), rigid mount (6)；Institute
State the stationary body of planet carrier (1) and rigid mount (6) as eccentric axle assembly (5)；
It is symmetrically opened up on the planet carrier (1) there are two through-hole, eccentric axle assembly (5) corresponds to through-hole and is placed on planet carrier (1)
Between rigid mount (6)；Circlip for hole (4) are equipped in through-hole, the outer end face and circlip for hole of eccentric axle assembly (5)
(4) it offsets；
There are two positioning pin (3) for setting between planet carrier (1) and rigid mount (6)；Pass through between planet carrier (1) and rigid mount (6)
Four hexagon socket head cap screws (2) are fixed.
2. the matching device of RV retarder bias axle assembly according to claim 1, it is characterised in that：Hole elasticity gear
Two planes for enclosing (4) are parallel to each other.
3. the matching device of RV retarder bias axle assembly according to claim 2, it is characterised in that：
The bias axle assembly (5) successively includes the first tapered roller bearing (7), first bearing gasket (8), the first rotary arm bearing
(9), the second rotary arm bearing (10), second bearing gasket (11), the second tapered roller bearing (12), eccentric shaft (13)；
The eccentric shaft (13) sequentially passes through the first tapered roller bearing (7), first bearing gasket (8), the first rotary arm bearing
(9), the second rotary arm bearing (10), second bearing gasket (11), the second tapered roller bearing (12).
4. the matching device of RV retarder bias axle assembly according to claim 3, it is characterised in that：The eccentric shaft (13)
Diameter less than the first tapered roller bearing (7) and the second tapered roller bearing (12) inner ring diameter.
5. the matching device of RV retarder bias axle assembly according to claim 3, it is characterised in that：The positioning pin (3)
End have a helicitic texture, tail portion is interior hexagonal structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820434579.6U CN208153686U (en) | 2018-03-29 | 2018-03-29 | A kind of matching device of RV retarder bias axle assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820434579.6U CN208153686U (en) | 2018-03-29 | 2018-03-29 | A kind of matching device of RV retarder bias axle assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208153686U true CN208153686U (en) | 2018-11-27 |
Family
ID=64380558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820434579.6U Active CN208153686U (en) | 2018-03-29 | 2018-03-29 | A kind of matching device of RV retarder bias axle assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208153686U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108317236A (en) * | 2018-03-29 | 2018-07-24 | 华南理工大学 | A kind of matching device and matching method of RV retarders bias axle assembly |
| 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 |
-
2018
- 2018-03-29 CN CN201820434579.6U patent/CN208153686U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108317236A (en) * | 2018-03-29 | 2018-07-24 | 华南理工大学 | A kind of matching device and matching method of RV retarders bias axle assembly |
| 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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