CN104100645A - Bearing system for retarder and retarder - Google Patents
Bearing system for retarder and retarder Download PDFInfo
- Publication number
- CN104100645A CN104100645A CN201410312917.5A CN201410312917A CN104100645A CN 104100645 A CN104100645 A CN 104100645A CN 201410312917 A CN201410312917 A CN 201410312917A CN 104100645 A CN104100645 A CN 104100645A
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- bearing
- retarder
- stator
- rolling bearing
- transmission shaft
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Abstract
The invention discloses a bearing system for a retarder. The bearing system comprises a first rolling bearing, wherein the outer ring of the first rolling bearing is connected with a stator, and the inner ring of the first rolling bearing is connected with a transmission shaft; the bearing system further comprises a second rolling bearing; the outer ring of the second rolling bearing is connected with the stator, and the inner ring of the second rolling bearing is connected with the transmission shaft; and the first rolling bearing and the second rolling bearing are connected through a bearing bushing.
Description
Technical field
The present invention relates to a kind of component for facilities for transport and communication, relate in particular to a kind of electric eddy current retarder and use the transit equipment of this electric eddy current retarder.
Background technique
Electric eddy current retarder is a kind of auxiliary brake device for automobile.This device is arranged between automobile drive axle and gearbox, by electromagnetic induction principle, realizes contactless braking.Electric eddy current retarder can provide powerful braking moment in a quite wide speed range, and then produces and to avoid running out the way, traditional brake failure and the potential safety hazard such as blow out, and is therefore widely used in Motor Vehicle, particularly on truck conspicuity marking.As shown in fig. 1, electric eddy current retarder is comprised of rotor 1, stator 2, rotor adjustment pad 3 and supporting frame 4.Stator 2 comprises conventionally to be arranged and forms by certain position relation by even number of poles.Each magnetic pole is made on iron core by coil winding.Rotor 1 is adjusted pad 3 by rotor and is connected with transmission shaft (not shown).Supporting frame 4 is for fixed stator 2, and this electric eddy current retarder and automotive interior miscellaneous part are fixed.
Fig. 2 is common a kind of electric eddy current retarder in prior art, and this electric eddy current retarder is installed on gearbox or on back axle conventionally, and the connection of its outside adopts and is rigidly connected.As shown in Figure 2, this electric eddy current retarder comprises: rotor 1, stator 2, support 4, transmission shaft flange 5, connecting screw 6, gearbox output flange 7, support retaining screw 8, gearbox 9.Stator 2 is fixed on support 4, and is connected with gearbox 9 by support retaining screw 8, and rotor 1 fixes by connecting screw 6 and transmission shaft flange 5.
Fig. 3 is another kind of common electric eddy current retarder in prior art, and this electric eddy current retarder is installed and without being fixedly connected with gearbox or back axle on transmission shaft.This electric eddy current retarder comprises rotor 11, stator 12, transmission shaft 13 and transmission shaft adpting flange 17.Rotor 11 is connected with transmission shaft 13 by adpting flange 17.The inner ring of rolling bearing 15 is connected with transmission shaft 13, with transmission shaft 13, rotates, and outer ring is connected with stator 12 by an axle sleeve 14.This taper roller bearing 15 is installed a metal spacer ring or pad 16 with the part that is connected of transmission shaft 13.Metal spacer ring 16 roles are in order to absorb extra axial force.When vehicle movement, in transmission shaft 13 rotation processes, be accompanied by the generation of axial force, when axial force is excessive, by metal spacer ring 16, absorb extra axial force.It is very complicated that but the assembly technology that causes thus retarder becomes.Fig. 4 is the partial enlarged drawing of the retarder shown in Fig. 3.Retarder shown in Fig. 4, because a plurality of parts such as two rolling bearings 15, transmission shaft 13, axle sleeve 14 all have tolerance, because the existence of tolerance causes rolling bearing 15 and transmission shaft 13 to have gap.In order to eliminate axial force, the size of metal spacer ring 16 needs strictly to mate with the size in rolling bearing 15 and transmission shaft 13 formed gaps.In practical set process, assembly crewman cannot know that the metal spacer ring 16 of which kind of size can be assembled at all.In prior art, in order to solve this technical problem, retarder needs to install and remove twice in assembly process.In assembly process, need to be placed on rigging position with the substitute (being commonly referred to as dummy shaft) of a transmission shaft for the first time.After dummy shaft is taken out, the size of the metal spacer ring needing according to the rigging position confirmation of dummy shaft.In assembly process for the second time, metal spacer ring and transmission shaft are installed successively.Need to and once take out the assembly precision in operation guarantee retarder installation process through twice assembling.Therefore, the problem that prior art exists is that complicated assembly technology causes the manufacturing time of retarder very long, and manufacturing efficiency is low, far can not meet current production capacity needs.
Summary of the invention
In order to overcome the defect existing in prior art, the present invention needs a kind of bearing arrangement and retarder that goes for simpler assemble flow.
In order to realize foregoing invention object, the present invention discloses a kind of bearing arrangement for retarder, comprise: one first rolling bearing, the outer ring of this first rolling bearing is connected with a stator, the inner ring of this first rolling bearing is connected with a transmission shaft, one second rolling bearing, the outer ring of this second rolling bearing is connected with this stator, and the inner ring of this second rolling bearing is connected with this transmission shaft; The the one the second rolling bearings connect by a bearing sleeve.
Further, this bearing sleeve is comprised of bearing external bushing and bearing neck bush, and this bearing neck bush is connected with this transmission shaft, and this bearing external bushing is connected with this stator.
Further, the bearing arrangement for retarder as claim 1 is somebody's turn to do, is characterized in that, also comprises a stator axle sleeve, the outward flange of this stator axle sleeve is connected with this stator, and the inner chamber of this axle sleeve is connected with this first rolling bearing, bearing sleeve and the outer ring of the second rolling bearing.
Further, this stator axle sleeve also comprises a step, and this step contacts with the outer ring of this second rolling bearing.
Further, this bearing arrangement also comprises an outer ring pressing plate, and this outer ring pressing plate is for fixing this first, second rolling bearing and this stator axle sleeve.
Further, this outer ring pressing plate is fixed this axle sleeve and this first rolling bearing by a screw.
Further, also comprise an adjusting pad, this adjusting pad is for regulating the gap of this stator and a rotor.
The present invention discloses a kind of retarder simultaneously, comprises stator, rotor, it is characterized in that, this retarder also comprises a transmission shaft, and this transmission shaft is connected with rotor with this stator by bearing arrangement as described above.
Compared with prior art, the bearing arrangement for retarder disclosed in this invention and retarder can directly assemble transmission shaft in assembly process, and do not need first by means of a substitute, to determine size, then transmission shaft is installed.Therefore, compared to prior art, use in the retarder assembly process of technological scheme disclosed in this invention and reduced unnecessary step, efficiency of assembling is promoted greatly.
Accompanying drawing explanation
Can be by following detailed Description Of The Invention and appended graphic being further understood about the advantages and spirit of the present invention.
Fig. 1 is electric eddy current retarder theory structure schematic diagram;
Fig. 2 is the structural representation of one of retarder common in prior art;
Fig. 3 is two structural representation of retarder common in prior art;
Fig. 4 is the local enlarged diagram of the retarder shown in Fig. 3;
Fig. 5 is the structural representation of the bearing arrangement of retarder involved in the present invention.
Embodiment
Below in conjunction with accompanying drawing, describe the electric eddy current retarder of a kind of specific embodiment of the present invention in detail.Yet, the present invention should be understood as and be not limited to this mode of execution described below, and technical concept of the present invention can be implemented with other known technologies or the combination of function other technologies identical with those known technologies.
In the following description, for clear structure of the present invention and the working method of showing, to be described by all multidirectional words, but should be by Word Understandings such as 'fornt', 'back', " left side ", " right side ", " outward ", " interior ", " outwards ", " inwardly ", " axially ", " radially " for convenience of term, and not should be understood to word of limitation.
The Placement of rolling bearing of the prior art and transmission shaft is shown in Fig. 4.As shown in Figure 4, there is a step 19 inner side of axle sleeve 14, and there is a step 18 in the outside of transmission shaft.Two rolling bearings 15 are withstood on step, and utilize metal spacer ring 16 blinds.Rolling bearing 15 has just guaranteed that inner ring and transmission shaft 13 is fixing like this, and outer ring and axle sleeve 14 are fixing.The technical problem that the Placement of rolling bearing of the prior art and transmission shaft is brought is that efficiency of assembling cannot improve.In order to solve this technical problem, below will explain in detail bearing arrangement disclosed in this invention.
In order to overcome retarder assembly process complexity in prior art, the shortcoming that installation time is long, the invention provides a kind of bearing arrangement for retarder, comprise: one first rolling bearing, the outer ring of this first rolling bearing is connected with a stator, and the inner ring of this first rolling bearing is connected with a transmission shaft, one second rolling bearing, the outer ring of this second rolling bearing is connected with this stator, and the inner ring of this second rolling bearing is connected with this transmission shaft; The the one the second rolling bearings connect by a bearing sleeve.
As shown in Figure 5, Fig. 5 is the structural representation of electric eddy current retarder involved in the present invention.This electric eddy current retarder is comprised of stator and rotor, and rotor and transmission shaft 22 keep relative position to fix.When electric eddy current retarder is worked, stator produces magnetic field, and when transmission shaft 22 rotarily drives rotor rotation, cutting magnetic line produces induction current, and stator applies an electromagnetic force to rotor, thereby produces braking moment.Stator is connected by two rolling bearings 26 with transmission shaft 22.Wherein the inner ring of rolling bearing or inner side are connected with transmission shaft 22, and the outer ring of rolling bearing is connected with stator.Because it is one cylindrical that the shape of electric eddy current retarder is haply, in the present invention, " inner side " of indication refers to the side near this cylindrical center axle, and " outside " refers to the side away from this cylindrical center axle accordingly.In a kind of preferred implementation, between stator and the outside of rolling bearing 26, by one, adopt the fixing of axle sleeve 21.When the rotor of this electric eddy current retarder and transmission shaft 22 rotate, stator, axle sleeve 21 keep relatively static.The effect of rolling bearing 26 is by stator and rotor decoupling zero.
Bearing arrangement disclosed in this invention, utilizes a bearing sleeve to fix rolling bearing, stator and transmission shaft.This bearing sleeve comprises neck bush 24 and external bushing 23.Under the technical program, on transmission shaft 22, need not reprocess step, its cross section is roughly a straight line, and this has reduced the processing cost of transmission shaft 22 widely.This bearing arrangement also comprises a stator axle sleeve 21, and the outer ring of the internal chamber wall of stator axle sleeve 21 and two rolling bearings 26 and bearing sleeve fixes.
Two rolling bearings 26 with the mode that bearing sleeve is fixed together are in the present embodiment, on stator axle sleeve 21, process a step 29, step 29 contacts with the outer ring of rolling bearing 26b, and rolling bearing 26a is fixing with axle sleeve 21 by an outer ring pressing plate 28 and screw 27.When pressing plate 28 couples of rolling bearing 26a in outer ring apply power, this power passes to the step 29 of external bushing 23, rolling bearing 26b, stator axle sleeve 21 successively from rolling bearing 26a.Between outer ring pressing plate 28, rolling bearing 26a, bearing sleeve, rolling bearing 26b and stator axle sleeve 21, be fixed together quilt.In fact, those of ordinary skills should know also have other two component are fixed on to mode together, as welding.In order to regulate the gap between stator and rotor, also design two and regulate pad 25.
After rolling bearing 26, bearing sleeve and stator axle sleeve 21 threes have assembled, the gap producing because of tolerance in prior art has not just existed, and just need not use metal spacer ring yet.Therefore this retarder can directly assemble transmission shaft in assembly process, and does not need first by means of a substitute, to determine size, then transmission shaft is installed.Therefore compared with prior art, assemble flow is reduced to assembly process one by original San road assembly process, has reduced unnecessary step, and efficiency of assembling promotes greatly.
Described in this specification is preferred embodiment of the present invention, and above embodiment is only in order to illustrate technological scheme of the present invention but not limitation of the present invention.All those skilled in the art, all should be within the scope of the present invention under this invention's idea by the available technological scheme of logical analysis, reasoning, or a limited experiment.
Claims (8)
1. the bearing arrangement for retarder, it is characterized in that, comprise: one first rolling bearing, the outer ring of described the first rolling bearing is connected with a stator, the inner ring of described the first rolling bearing is connected with a transmission shaft, one second rolling bearing, the outer ring of described the second rolling bearing is connected with described stator, and the inner ring of described the second rolling bearing is connected with described transmission shaft; Described the one the second rolling bearings connect by a bearing sleeve.
2. the bearing arrangement for retarder as claimed in claim 1, is characterized in that, described bearing sleeve is comprised of bearing external bushing and bearing neck bush, and described bearing neck bush is connected with described transmission shaft, and described bearing external bushing is connected with described stator.
3. the bearing arrangement for retarder as claimed in claim 1, it is characterized in that, also comprise a stator axle sleeve, the outward flange of described stator axle sleeve is connected with described stator, and the inner chamber of described axle sleeve is connected with described the first rolling bearing, bearing sleeve and the outer ring of the second rolling bearing.
4. the bearing arrangement for retarder as claimed in claim 3, is characterized in that, described stator axle sleeve also comprises a step, and described step contacts with the outer ring of described the second rolling bearing.
5. the bearing arrangement for retarder as claimed in claim 4, is characterized in that, described bearing arrangement also comprises an outer ring pressing plate, and described outer ring pressing plate is for fixing described first, second rolling bearing and described stator axle sleeve.
6. the bearing arrangement for retarder as claimed in claim 5, is characterized in that, described outer ring pressing plate is fixed described axle sleeve and described the first rolling bearing by a screw.
7. the bearing arrangement for retarder as claimed in claim 1, is characterized in that, also comprises an adjusting pad, and described adjusting pad is for regulating the gap of described stator and a rotor.
8. a retarder, comprises stator, rotor, it is characterized in that, described retarder also comprises a transmission shaft, and described transmission shaft is connected with rotor with described stator by the bearing arrangement just like described in claim 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410312917.5A CN104100645A (en) | 2014-07-02 | 2014-07-02 | Bearing system for retarder and retarder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410312917.5A CN104100645A (en) | 2014-07-02 | 2014-07-02 | Bearing system for retarder and retarder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104100645A true CN104100645A (en) | 2014-10-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410312917.5A Pending CN104100645A (en) | 2014-07-02 | 2014-07-02 | Bearing system for retarder and retarder |
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| Country | Link |
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| CN (1) | CN104100645A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201504167U (en) * | 2009-06-29 | 2010-06-09 | 华越汽车制动技术(深圳)有限公司 | Mounting structure for eddy current brake |
| CN201909015U (en) * | 2010-12-21 | 2011-07-27 | 泰乐玛汽车制动***（上海）有限公司 | End cap assembly for installing retarder on gearbox |
| CN103368356A (en) * | 2012-03-27 | 2013-10-23 | 泰乐玛汽车制动***（上海）有限公司 | Current vortex retarder and traffic device employing same |
| CN203614742U (en) * | 2013-11-15 | 2014-05-28 | 重庆第二机床厂有限责任公司 | Spindle self-locking curved path sealing structure |
| CN204140666U (en) * | 2014-07-02 | 2015-02-04 | 泰乐玛汽车制动***（上海）有限公司 | For bearing arrangement, the retarder of retarder |
-
2014
- 2014-07-02 CN CN201410312917.5A patent/CN104100645A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201504167U (en) * | 2009-06-29 | 2010-06-09 | 华越汽车制动技术(深圳)有限公司 | Mounting structure for eddy current brake |
| CN201909015U (en) * | 2010-12-21 | 2011-07-27 | 泰乐玛汽车制动***（上海）有限公司 | End cap assembly for installing retarder on gearbox |
| CN103368356A (en) * | 2012-03-27 | 2013-10-23 | 泰乐玛汽车制动***（上海）有限公司 | Current vortex retarder and traffic device employing same |
| CN203614742U (en) * | 2013-11-15 | 2014-05-28 | 重庆第二机床厂有限责任公司 | Spindle self-locking curved path sealing structure |
| CN204140666U (en) * | 2014-07-02 | 2015-02-04 | 泰乐玛汽车制动***（上海）有限公司 | For bearing arrangement, the retarder of retarder |
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Application publication date: 20141015 |
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