CN108061149A - The mounting structure of taper roll bearing at a kind of electri forklift output axle shaft - Google Patents
The mounting structure of taper roll bearing at a kind of electri forklift output axle shaft Download PDFInfo
- Publication number
- CN108061149A CN108061149A CN201711359527.3A CN201711359527A CN108061149A CN 108061149 A CN108061149 A CN 108061149A CN 201711359527 A CN201711359527 A CN 201711359527A CN 108061149 A CN108061149 A CN 108061149A
- Authority
- CN
- China
- Prior art keywords
- roll bearing
- taper roll
- axle shaft
- axis body
- output 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
- 230000001360 synchronised effect Effects 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 abstract description 7
- 238000001727 in vivo Methods 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
-
- 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
- F16C3/00—Shafts; Axles; Cranks; Eccentrics
- F16C3/02—Shafts; Axles
-
- 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
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
- F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
-
- 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
- F16H57/082—Planet carriers
-
- 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
Abstract
The present invention relates to a kind of mounting structures of taper roll bearing at electri forklift output axle shaft.Including output axle shaft, planet carrier and housing, the output axle shaft is connected by the first taper roll bearing with housing, the planet carrier is connected by the second taper roll bearing with housing, planet carrier is connected together to by internal spline in the in vivo synchronous rotation of shell with output axle shaft, the planet carrier is pressed on by locking nut on output axle shaft, and adjust pad is equipped between the cycle surface of first taper roll bearing and the end face of housing.As shown from the above technical solution, the present invention coordinates simple measurement by mounting structure, and drawing needs the thickness of adjust pad to be mounted to ensure that the first taper roll bearing and the clearance of the second taper roll bearing are met the requirements.Total is easy for installation, simple and reliable, it is ensured that the uniformity of product.
Description
Technical field
The present invention relates to a kind of mounting structures of taper roll bearing at electri forklift output axle shaft.
Background technology
Taper roll bearing is typically all to use in pairs, back-to-back or face-to-face installation, taper roll bearing clearance
Setting correctness directly determines the service life of bearing, and the adjustment of clearance is the higher work of precision, a technology content
Journey, generally requires professional and special equipment is implemented, and is particularly producing field in enormous quantities, manually to each bearing arrangement
Huge cost of labor, and inefficiency will be paid by carrying out clearance adjustment.
Taper roll bearing at electric forklift speed reduction box output axle shaft generally pre-tightens installation using experience, needs assembly crewman
While experiencing the elasticity of bearing rotation, while tightening nut, clearance is determined with feel completely.This experience installation method can be led
Cause the clearance installed each time different, and the clearance gap bigger installed between different assembly crewmans, it is difficult to ensure the consistent of product
Property, individual product is caused to be easily damaged, influences the overall quality of product.
The content of the invention
It is an object of the invention to provide a kind of mounting structure of taper roll bearing at electri forklift output axle shaft, the peaces
Assembling structure is easy for installation, simple and reliable.
To achieve the above object, present invention employs following technical schemes：Including output axle shaft, planet carrier and housing,
The output axle shaft is connected by the first taper roll bearing with housing, and the planet carrier passes through the second taper roll bearing
It is connected with housing, planet carrier is connected together to by internal spline in the in vivo synchronous rotation of shell, the planet with output axle shaft
Frame is pressed on by locking nut on output axle shaft, the cycle surface of first taper roll bearing and the end face of housing
Between be equipped with adjust pad.
The output axle shaft be overall structure, including the first axle body, be arranged on the second axle body of the first axle body one end with
And three-axis body, the 4th axis body, the 5th axis body and the 6th axis body of the first axle body other end are successively set on, the 3rd axis
Body, the 4th axis body, the diameter of the 5th axis body and the 6th axis body successively decrease successively, the junction shape of the three-axis body and the 4th axis body
Into boss faying face, which is in contact with the end face of planet carrier, and the 5th axis body is spline segment, and described the
Six axis bodies are thread segment.
The planet carrier be internally provided with through hole matched with the 4th axis body and with the 5th matched spline of axis body
Hole.
The thickness x=E+F-D-k of the adjust pad1-k2；
Wherein：X is the thickness of adjust pad, and x is nonnegative number；
E is distance of the output axle shaft boss faying face to the first taper roll bearing cycle surface；
F is distance of the planet carrier end face to the second taper roll bearing cycle surface；
D is the distance of the first taper roll bearing to the second taper roller axis mounting surface on housing；
k1For the standard end-play of the first taper roll bearing；
k2For the standard end-play of the second taper roll bearing.
As shown from the above technical solution, the present invention ensures the first taper roll bearing by selecting the thickness of adjust pad
It is met the requirements with the clearance of the second taper roll bearing.Total is easy for installation, simple and reliable, it is ensured that product it is consistent
Property.
Description of the drawings
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is the A portions enlarged drawing of Fig. 1；
Fig. 3 is the structure diagram of output axle shaft of the present invention；
Fig. 4 is the structure diagram of planet carrier of the present invention.
Specific embodiment
The present invention will be further described below in conjunction with the accompanying drawings：
The mounting structure of taper roll bearing at a kind of electri forklift output axle shaft as shown in Figure 1 and Figure 2, including output
Semiaxis 1, planet carrier 2 and housing 3, output axle shaft 1 are connected by the first taper roll bearing 4 with housing 3, and planet carrier 2 passes through
Second taper roll bearing 5 is connected with housing 3, and planet carrier 2 is connected together to by internal spline in housing 3 with output axle shaft 1
Synchronous rotation, planet carrier 2 is pressed on by locking nut 6 on output axle shaft 1, the outer ring of the first taper roll bearing 4
Adjust pad 7 is equipped between end face and the end face of housing 3.Namely output axle shaft 1 passes through the first taper roll bearing with housing 3
4 are assembled together, and output axle shaft 1 can be rotated relative to housing 3；Planet carrier 2 is filled with housing 3 by the second taper roll bearing 5
With together, planet carrier 2 can be rotated relative to housing 3, while planet carrier 2 is connected with output axle shaft 1 with internal spline, keep synchronous
It rotates；Locking nut 6, using being threadedly coupled, keeps rotating synchronously, while planet carrier 2 is pressed in by locking nut 6 with output axle shaft 1
On output axle shaft 1, entire mechanism is made to connect together.
Further, as shown in figure 3, output axle shaft 1 is overall structure, including the first axle body 11, it is arranged on the first axle body
The second axle body 12 of 11 one end and it is successively set on the three-axis body 13 of 11 other end of the first axle body, the 4th axis body the 14, the 5th
15 and the 6th axis body 16 of axis body, three-axis body 13, the 4th axis body 14, the diameter of the 5th axis body 15 and the 6th axis body 16 are passed successively
Subtract, the junction of 13 and the 4th axis body 14 of three-axis body forms boss faying face 17, the end of the boss faying face 17 and planet carrier 2
Face 21 is in contact, and the 5th axis body 15 is spline segment, and the 6th axis body 16 is thread segment；As shown in figure 4, planet carrier 2 is internally provided with
With 14 matched through hole 22 of the 4th axis body and with 15 matched splined hole 23 of the 5th axis body.Namely boss faying face 17
It is in contact with the end face 21 of planet carrier 2, to limit the minimum dimension of entire mechanism axial direction；The spline segment and spline of 5th axis body 15
Hole 23 is in mating connection, the effect of starting power transmission；The thread segment of 6th axis body 16 is used with locking nut 6 and is threadedly coupled, will
Planet carrier 2 is compressed with output axle shaft 1 in boss faying face 17, to limit the full-size of entire mechanism axial direction, so as to fixed row
Two taper roll bearing mounting surfaces apart from size in carrier 2 and output axle shaft 1.
Further, the thickness x=E+F-D-k of adjust pad1-k2；
Wherein：X is the thickness of adjust pad, and x is nonnegative number；
E is distance of the output axle shaft boss faying face to the first taper roll bearing cycle surface；
F is distance of the planet carrier end face to the second taper roll bearing cycle surface；
D is the distance of the first taper roll bearing to the second taper roller axis mounting surface on housing；
k1For the standard end-play of the first taper roll bearing；
k2For the standard end-play of the second taper roll bearing.
During assembling, the value of D, E, F are first measured, is calculated further according to above-mentioned formula and meets the adjustment that end-play needs assemble
After adding adjust pad, locking nut is loaded by even twisting moment for the thickness of gasket, makes planet carrier 2 with output axle shaft 1 by several
What relation ensures the fixation of the first taper roll bearing 4 and 5 end face of the second taper roll bearing apart from size, ensures actual installation
Two taper roll bearings end-play be equal to standard clearance k1And k2The sum of, so that it is guaranteed that 4 He of the first taper roll bearing
The radial internal clearance of second taper roll bearing 5 is met the requirements.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to the model of the present invention
It encloses and is defined, on the premise of design spirit of the present invention is not departed from, those of ordinary skill in the art are to the technical side of the present invention
The various modifications and improvement that case is made should all be fallen into the protection domain that claims of the present invention determines.
Claims (4)
1. a kind of mounting structure of taper roll bearing at electri forklift output axle shaft, including output axle shaft（1）, planet carrier（2）
And housing（3）, it is characterised in that：The output axle shaft（1）Pass through the first taper roll bearing（4）With housing（3）Connection,
The planet carrier（2）Pass through the second taper roll bearing（5）With housing（3）Connection, planet carrier（2）With output axle shaft（1）It is logical
Internal spline is crossed to be connected together in housing（3）Interior synchronous rotation, the planet carrier（2）Pass through locking nut（6）It is pressed
Tightly in output axle shaft（1）On, first taper roll bearing（4）Cycle surface and housing（3）End face between be equipped with adjust
Whole gasket（7）.
2. the mounting structure of taper roll bearing at electri forklift output axle shaft according to claim 1, it is characterised in that：
The output axle shaft（1）For overall structure, including the first axle body（11）, be arranged on the first axle body（11）The second axle body of one end
（12）And it is successively set on the first axle body（11）The three-axis body of the other end（13）, the 4th axis body（14）, the 5th axis body（15）
And the 6th axis body（16）, the three-axis body（13）, the 4th axis body（14）, the 5th axis body（15）And the 6th axis body（16）Diameter
Successively decrease successively, the three-axis body（13）With the 4th axis body（14）Junction formed boss faying face（17）, boss combination
Face（17）With planet carrier（2）End face（21）It is in contact, the 5th axis body（15）For spline segment, the 6th axis body
（16）For thread segment.
3. the mounting structure of taper roll bearing at electri forklift output axle shaft according to claim 2, it is characterised in that：
The planet carrier（2）Be internally provided with and the 4th axis body（14）Matched through hole（22）And with the 5th axis body（15）It is engaged
Splined hole（23）.
4. the mounting structure of taper roll bearing at electri forklift output axle shaft according to claim 1, it is characterised in that：
Thickness x=E+F-D-k of the adjust pad1-k2；
Wherein：X is the thickness of adjust pad, and x is nonnegative number；
E is distance of the output axle shaft boss faying face to the first taper roll bearing cycle surface；
F is distance of the planet carrier end face to the second taper roll bearing cycle surface；
D is the distance of the first taper roll bearing to the second taper roller axis mounting surface on housing；
k1For the standard end-play of the first taper roll bearing；
k2For the standard end-play of the second taper roll bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711359527.3A CN108061149A (en) | 2017-12-17 | 2017-12-17 | The mounting structure of taper roll bearing at a kind of electri forklift output axle shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711359527.3A CN108061149A (en) | 2017-12-17 | 2017-12-17 | The mounting structure of taper roll bearing at a kind of electri forklift output axle shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108061149A true CN108061149A (en) | 2018-05-22 |
Family
ID=62138679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711359527.3A Pending CN108061149A (en) | 2017-12-17 | 2017-12-17 | The mounting structure of taper roll bearing at a kind of electri forklift output axle shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108061149A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110878827A (en) * | 2019-12-25 | 2020-03-13 | 南京高速齿轮制造有限公司 | Gear box output end structure, gear box and wind power equipment |
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| CN201636203U (en) * | 2009-11-27 | 2010-11-17 | 襄阳汽车轴承股份有限公司 | Double-row tapered roller bearing for automobile main reducer |
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| CN203023309U (en) * | 2012-12-14 | 2013-06-26 | 山东杰诚机械制造有限公司 | Novel rack bearing box |
| CN103292764A (en) * | 2013-05-28 | 2013-09-11 | 安徽江淮汽车股份有限公司 | Aid, equipment and method for detecting bearing outer ring height |
| CN103978554A (en) * | 2014-05-30 | 2014-08-13 | 徐州徐工施维英机械有限公司 | Supporting wheel device with adjustable clearance and agitating lorry |
| CN104454753A (en) * | 2014-11-29 | 2015-03-25 | 南京萨伯工业设计研究院有限公司 | Improved motor spindle assembly and machining method thereof |
| CN104565305A (en) * | 2013-10-25 | 2015-04-29 | 宁波东力机械制造有限公司 | Backlash adjustment method for inlet bearings of rectangular axis speed reducer |
| CN105034797A (en) * | 2015-08-06 | 2015-11-11 | 安徽合力股份有限公司 | Rear wheel drive electric forklift provided with wet-type braking front axles |
| CN207609763U (en) * | 2017-12-17 | 2018-07-13 | 安徽合力股份有限公司 | The mounting structure of taper roll bearing at a kind of electri forklift output axle shaft |
-
2017
- 2017-12-17 CN CN201711359527.3A patent/CN108061149A/en active Pending
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201410855Y (en) * | 2009-06-19 | 2010-02-24 | 一拖(洛阳)开创装备科技有限公司 | Tapered roller bearing locking device for drive axle |
| CN201636203U (en) * | 2009-11-27 | 2010-11-17 | 襄阳汽车轴承股份有限公司 | Double-row tapered roller bearing for automobile main reducer |
| CN201705817U (en) * | 2010-06-22 | 2011-01-12 | 徐工集团工程机械股份有限公司科技分公司 | Cantilever type transmission mechanism |
| CN202441734U (en) * | 2011-12-20 | 2012-09-19 | 郑州精益达汽车零部件有限公司 | Rapid play adjusting structure for bearing |
| CN102897023A (en) * | 2012-10-23 | 2013-01-30 | 安徽合力股份有限公司 | Flexible-connection hydraulic transmission box with power generation mechanism |
| CN102996630A (en) * | 2012-12-07 | 2013-03-27 | 天津市华业荣成精密机械有限公司 | Bearing unit for supporting transmission shaft and gear reducer |
| CN203023309U (en) * | 2012-12-14 | 2013-06-26 | 山东杰诚机械制造有限公司 | Novel rack bearing box |
| CN103090835A (en) * | 2013-01-31 | 2013-05-08 | 烟台光洋精密轴承有限公司 | Analogue automobile hub bearing axial clearance measurement device |
| CN103170830A (en) * | 2013-03-08 | 2013-06-26 | 山东临工工程机械有限公司 | Novel cone tapered roller bearing play regulating equipment and regulating method thereof |
| CN103292764A (en) * | 2013-05-28 | 2013-09-11 | 安徽江淮汽车股份有限公司 | Aid, equipment and method for detecting bearing outer ring height |
| CN104565305A (en) * | 2013-10-25 | 2015-04-29 | 宁波东力机械制造有限公司 | Backlash adjustment method for inlet bearings of rectangular axis speed reducer |
| CN103978554A (en) * | 2014-05-30 | 2014-08-13 | 徐州徐工施维英机械有限公司 | Supporting wheel device with adjustable clearance and agitating lorry |
| CN104454753A (en) * | 2014-11-29 | 2015-03-25 | 南京萨伯工业设计研究院有限公司 | Improved motor spindle assembly and machining method thereof |
| CN105034797A (en) * | 2015-08-06 | 2015-11-11 | 安徽合力股份有限公司 | Rear wheel drive electric forklift provided with wet-type braking front axles |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110878827A (en) * | 2019-12-25 | 2020-03-13 | 南京高速齿轮制造有限公司 | Gear box output end structure, gear box and wind power equipment |
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