CN104482078A - Parallel hydrodynamic retarder structure supported by double cone bearings - Google Patents
Parallel hydrodynamic retarder structure supported by double cone bearings Download PDFInfo
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- CN104482078A CN104482078A CN201410756543.6A CN201410756543A CN104482078A CN 104482078 A CN104482078 A CN 104482078A CN 201410756543 A CN201410756543 A CN 201410756543A CN 104482078 A CN104482078 A CN 104482078A
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- retarder
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Abstract
The invention relates to a parallel hydrodynamic retarder structure supported by double cone bearings. The parallel hydrodynamic retarder structure comprises a retarder working chamber casing with a hollow chamber inside, and a retarder front bearing cover which is provided with a bearing hole in match with the retarder working chamber casing; a retarder spline shaft which penetrates through the retarder front bearing cover is arranged in the retarder working chamber casing; through replacing the existing deep groove ball bearing and the existing four-point positioning bearing by the first cone bearing and the second cone bearing, a cylindrical roller of the double cone bearings is of a V-shaped structure; axial force generated by a retarder rotor blade inclination angle when a bevel gear drives and a retarder works can be counteracted, so that the parallel retarder can stably work, and the affect of the axial force can be eliminated. The damage to the bearings in the retarder can be decreased, and the invalidation of the retarder can be avoided; the stability and reliability of a device can be improved, and the running security of a vehicle can be guaranteed.
Description
Technical field
The present invention relates to a kind of speed buffer structure, be specifically related to a kind of hydraulic speed buffer structure in parallel of bipyramid bearings.
Background technique
Along with user is to the raising of car load travelling brake security requirement, and the appearance of relevant laws and regulations (GB7258), car load coupling hydrodynamic retarder becomes trend.At present, hydrodynamic retarder in parallel driven by the actuation gear on transmission output shaft usually, and in order to brake steadily, this engaging gear is generally helical gear, during transmission of power, can produce axial force; During retarder work simultaneously, because retarder rotor blade has inclination angle, also axial force can be produced.In order to eliminate the impact that axial force is brought, it is contrary that the axial force that when axial force that engagement helical gear produces being worked with retarder during usual design, blade tilt produces is designed to direction, cancel each other a part, retarder side adopts four point positioning bearings simultaneously, opposite side adopts deep groove ball bearing to support, and offsets axial force.Because four point positioning loading ability of bearing axial force is less, deep groove ball bearing only carries radial force, has damage during retarder internal bearings, causes retarder to lose efficacy.
Summary of the invention
The object of the invention is to overcome the shortcoming existed in above-mentioned prior art, a kind of hydraulic speed buffer structure in parallel of bipyramid bearings is provided, there is the advantage eliminating axial force impact.
For achieving the above object, the present invention by the following technical solutions: have the retarder active chamber housing of cavity in comprising and be mated the retarder front bearing retainer offering bearing hole; The retarder splined shaft running through retarder front bearing retainer is provided with in retarder active chamber housing;
On described retarder splined shaft successively cover have retarder driven gear, the first cone bearing be placed in bearing hole, oil sealing base, rotor, axle sleeve and the second cone bearing;
The front end of described retarder driven gear is provided with the turnbuckle for being strained and fixed by retarder splined shaft;
The rear end of the second described cone bearing is provided with locking nut axle;
Described retarder active chamber housing is fixed with the retarder stator matched with rotor; And the bearing saddle bore offered in retarder stator for installation shaft bearing, and the second cone bearing is positioned at bearing saddle bore.
Pad is provided with between described turnbuckle and retarder driven gear.
The adjustment pad for adjusting axial clearance is provided with between the first described cone bearing and oil sealing base.
The axial carrying capacity of the first described cone bearing is greater than the second cone bearing.
The present invention has following beneficial effect: prior art of comparing, the present invention substitutes existing deep groove ball bearing and four point positioning bearing by use first cone bearing and the second cone bearing, make the V-shaped structure of the cylindrical roller of two cone bearings, offset the axial force owing to being produced by retarder rotor blade tilt when Helical gear Transmission and retarder work, make retarder smooth working in parallel, eliminate the impact of axial force.Reduce the damage of retarder internal bearings, avoid retarder to lose efficacy.Improve stability and the reliability of device.Ensure that the safety that vehicle travels.
Further, owing to being provided with the adjustment pad for adjusting axial clearance between the first cone bearing and oil sealing base, thus making the first cone bearing and the second cone bearing axial clearance remain on the scope of 0.05 ~ 0.15mm, ensureing that cone bearing normally works.
Accompanying drawing explanation
Fig. 1 is this apparatus structure schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
See Fig. 1, there is the retarder active chamber housing 9 of cavity in the present invention includes and be mated the retarder front bearing retainer 1 offering bearing hole; The retarder splined shaft 13 running through retarder front bearing retainer 1 is provided with in retarder active chamber housing 9; On retarder splined shaft 13 successively cover have retarder driven gear 3, the first cone bearing 2 be placed in bearing hole, oil sealing base 7, rotor 8, axle sleeve 12 and the second cone bearing 11; The front end of retarder driven gear 3 is provided with the turnbuckle 5 for being strained and fixed by retarder splined shaft 13; The rear end of the second cone bearing 11 is provided with locking nut axle 14; Retarder active chamber housing 9 is fixed with the retarder stator 15 matched with rotor 8; And the bearing saddle bore offered in retarder stator 15 for installation shaft bearing 10, and the second cone bearing 11 is positioned at bearing saddle bore.Pad 4 is provided with between turnbuckle 5 and retarder driven gear 3.The adjustment pad 6 for adjusting axial clearance is provided with between first cone bearing 2 and oil sealing base 7.The axial carrying capacity of the first cone bearing 2 is greater than the second cone bearing 11.
This apparatus design can offset the axial force owing to being produced by retarder rotor blade tilt when Helical gear Transmission and retarder work, makes retarder smooth working in parallel.The structural design that this invention adopts bipyramid bearing V-type to arrange, by levelling pad adjustment cone bearing axial clearance, makes cone bearing axial clearance remain on suitable scope.This invention structural design as shown in Figure 1, comprises retarder front bearing retainer 1, first cone bearing 2, retarder driven gear 3, pad 4, turnbuckle 5, adjustment pad 6, oil sealing base 7, retarder rotor 8, retarder active chamber housing 9, bearing support 10, second cone bearing 11, axle sleeve 12, retarder splined shaft 13, locking nut 14, retarder stator 15 forms.Retarder driven gear 3 by spline joint on retarder splined shaft 13, first cone bearing 2 outer ring is assemblied in retarder front bearing retainer 1 bearing hole, its inner ring is assemblied on retarder splined shaft 13, turnbuckle 5 is assembled in the end-face helical hole of retarder splined shaft 13, by pad 4, retarder driven gear 3, first cone bearing 2, adjustment pad 6, retarder splined shaft 13 shaft shoulder axial restraint.Retarder rotor 8 by spline joint on retarder splined shaft 13, second cone bearing 11 inner ring is assemblied on retarder splined shaft 13, its outer ring is assemblied in bearing support 10, locking nut 14 locks retarder splined shaft 13, by retarder splined shaft 13 shaft shoulder, oil sealing base 7, retarder rotor 8, axle sleeve 12, second cone bearing 11, locking nut axle 14 to fixing.Bearing support 10 is assemblied in retarder stator 15 bearing saddle bore, and retarder stator 15 is bolted on retarder active chamber housing 9.First cone bearing 2 and the second cone bearing 11 one-tenth V-types are arranged, the first cone bearing 2 can bear from retarder splined shaft 13 direction axial force to the right as shown in Figure 1, and the second cone bearing 11 can bear from retarder splined shaft 13 direction axial force left as shown in Figure 1.Simultaneously by selecting suitable adjustment pad 6 thickness to adjust the first cone bearing 2 and the second cone bearing 11 axial clearance, cone bearing axial clearance is remained in the scope of 0.05 ~ 0.15mm.
As shown in Figure 1, on the left of retarder splined shaft 13, by retarder splined shaft 13 shaft shoulder, adjustment pad 6, first cone bearing 2, retarder driven gear 3, pad 4, strain retarder splined shaft 13 axial restraint by turnbuckle 5.On the right side of retarder splined shaft 13, by retarder splined shaft 13 shaft shoulder, oil sealing base 7, retarder rotor 8, axle sleeve 12, second cone bearing 11, lock retarder splined shaft 13 axial restraint by locking nut 14.Retarder driven gear 3 is due to Helical gear Transmission generation axial force, because retarder rotor 8 blade tilt also can produce axial force during retarder work, when total axial force as shown in Figure 1 direction to the right time, first cone bearing 2 can bear the axial force in this direction, and by this axial force transmission on retarder front bearing retainer 1; When total axial force as shown in Figure 1 direction left time, the second cone bearing 11 can bear this direction axial force, and by bearing support 10, retarder stator 15, by this axial force transmission on retarder active chamber housing 9.
By selecting suitable adjustment pad 6 thickness to adjust the first cone bearing 2 and the second cone bearing axle 11 to gap, cone bearing axial clearance is made to remain on suitable scope.Adjusting method is as follows: during assembling, first by retarder splined shaft 13, oil sealing base 7, retarder rotor 8, axle sleeve 12, retarder stator 15, bearing support 10, second cone bearing 11 and locking nut 14 dress are integrated, integral installation is fitted on retarder active chamber housing 9 again, assemble retarder front bearing retainer 1 afterwards, by retarder splined shaft 13 after the tension of retarder driven gear 3 end, measure the distance of retarder splined shaft 6 shaft shoulder and retarder front bearing retainer 1 bearing hole end face, measure the distance of the first cone bearing 2 Internal and external cycle end face simultaneously, the thickness of measuring and calculating adjustment pad 6, select the adjustment pad 6 of suitable thickness, ensure that the first cone bearing 2 and the second cone bearing 11 have the axial clearance of 0.05 ~ 0.15mm.Refill afterwards and coordinate suitable adjustment pad 6, first cone bearing 2, retarder driven gear 3, pad 4, turnbuckle 5.
Alternative existing deep groove ball bearing and four point positioning bearing is held by using the first cone bearing 2 and second axis of cone 11, make the V-shaped structure of the cylindrical roller of two cone bearings, offset the axial force owing to being produced by retarder rotor blade tilt when Helical gear Transmission and retarder work, make retarder smooth working in parallel, eliminate the impact of axial force.Reduce the damage of retarder internal bearings, avoid retarder to lose efficacy.Improve stability and the reliability of device.Ensure that the safety that vehicle travels.
Claims (4)
1. a hydraulic speed buffer structure in parallel for bipyramid bearings, is characterized in that: have the retarder active chamber housing (9) of cavity in comprising and be mated the retarder front bearing retainer (1) offering bearing hole; The retarder splined shaft (13) running through retarder front bearing retainer (1) is provided with in retarder active chamber housing (9);
On described retarder splined shaft (13) successively cover have retarder driven gear (3), the first cone bearing (2) be placed in bearing hole, oil sealing base (7), rotor (8), axle sleeve (12) and the second cone bearing (11);
The front end of described retarder driven gear (3) is provided with the turnbuckle (5) for being strained and fixed by retarder splined shaft (13);
The rear end of described the second cone bearing (11) is provided with locking nut axle (14);
Described retarder active chamber housing (9) is fixed with the retarder stator (15) matched with rotor (8); And the bearing saddle bore offered in retarder stator (15) for installation shaft bearing (10), and the second cone bearing (11) is positioned at bearing saddle bore.
2. the hydraulic speed buffer structure in parallel of a kind of bipyramid bearings according to claim 1, is characterized in that: be provided with pad (4) between described turnbuckle (5) and retarder driven gear (3).
3. the hydraulic speed buffer structure in parallel of a kind of bipyramid bearings according to claim 1, is characterized in that: be provided with the adjustment pad (6) for adjusting axial clearance between described the first cone bearing (2) and oil sealing base (7).
4. the hydraulic speed buffer structure in parallel of a kind of bipyramid bearings according to claim 1, is characterized in that: the axial carrying capacity of described the first cone bearing (2) is greater than the second cone bearing (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410756543.6A CN104482078A (en) | 2014-12-10 | 2014-12-10 | Parallel hydrodynamic retarder structure supported by double cone bearings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410756543.6A CN104482078A (en) | 2014-12-10 | 2014-12-10 | Parallel hydrodynamic retarder structure supported by double cone bearings |
Publications (1)
| Publication Number | Publication Date |
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| CN104482078A true CN104482078A (en) | 2015-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410756543.6A Pending CN104482078A (en) | 2014-12-10 | 2014-12-10 | Parallel hydrodynamic retarder structure supported by double cone bearings |
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| CN (1) | CN104482078A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104895963A (en) * | 2015-05-29 | 2015-09-09 | 深圳市特尔佳科技股份有限公司 | Mid-arranged parallel type hydrodynamic retarder and installation method thereof |
| CN105422690A (en) * | 2015-11-30 | 2016-03-23 | 陕西航天动力高科技股份有限公司 | Independent retarder in front of box |
| CN106090076A (en) * | 2016-07-26 | 2016-11-09 | 宁波华盛汽车部件有限公司 | A kind of for Retarder elastic device in parallel |
| CN106931057A (en) * | 2017-03-23 | 2017-07-07 | 陕西法士特齿轮有限责任公司 | A kind of separable Retarder work cavity configuration of rotor |
| CN109578467A (en) * | 2018-12-06 | 2019-04-05 | 陕西法士特汽车传动集团有限责任公司 | A kind of Retarder |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2673900A1 (en) * | 1991-03-16 | 1992-09-18 | Zahnradfabrik Friedrichshafen | MOTOR VEHICLE PROVIDED WITH A HYDRODYNAMIC RETARDER AT THE EXIT OF A GEARBOX. |
| DE102004016296A1 (en) * | 2003-11-21 | 2005-06-02 | Voith Turbo Gmbh & Co. Kg | Hydrodynamic unit, e.g. centrifugal pump, has impellers which rotate at different speeds, axial force on impellers being adjusted by adjusting gap between their inner faces |
| CN101287631A (en) * | 2005-10-04 | 2008-10-15 | 沃易斯涡轮股份有限公司 | Hydrodynamic brake |
| DE19646597C5 (en) * | 1996-11-12 | 2012-10-18 | Zf Friedrichshafen Ag | Hydrodynamic brake |
| CN203836034U (en) * | 2014-05-04 | 2014-09-17 | 陕西法士特齿轮有限责任公司 | Conical bearing structure parallel-connected hydraulic retarder |
| CN204419923U (en) * | 2014-12-10 | 2015-06-24 | 陕西法士特齿轮有限责任公司 | A kind of hydraulic speed buffer structure in parallel of bipyramid bearings |
-
2014
- 2014-12-10 CN CN201410756543.6A patent/CN104482078A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2673900A1 (en) * | 1991-03-16 | 1992-09-18 | Zahnradfabrik Friedrichshafen | MOTOR VEHICLE PROVIDED WITH A HYDRODYNAMIC RETARDER AT THE EXIT OF A GEARBOX. |
| DE19646597C5 (en) * | 1996-11-12 | 2012-10-18 | Zf Friedrichshafen Ag | Hydrodynamic brake |
| DE102004016296A1 (en) * | 2003-11-21 | 2005-06-02 | Voith Turbo Gmbh & Co. Kg | Hydrodynamic unit, e.g. centrifugal pump, has impellers which rotate at different speeds, axial force on impellers being adjusted by adjusting gap between their inner faces |
| CN101287631A (en) * | 2005-10-04 | 2008-10-15 | 沃易斯涡轮股份有限公司 | Hydrodynamic brake |
| CN203836034U (en) * | 2014-05-04 | 2014-09-17 | 陕西法士特齿轮有限责任公司 | Conical bearing structure parallel-connected hydraulic retarder |
| CN204419923U (en) * | 2014-12-10 | 2015-06-24 | 陕西法士特齿轮有限责任公司 | A kind of hydraulic speed buffer structure in parallel of bipyramid bearings |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104895963A (en) * | 2015-05-29 | 2015-09-09 | 深圳市特尔佳科技股份有限公司 | Mid-arranged parallel type hydrodynamic retarder and installation method thereof |
| CN104895963B (en) * | 2015-05-29 | 2017-12-26 | 深圳市特尔佳科技股份有限公司 | In put parallel hydraulic retarder and its installation method |
| CN105422690A (en) * | 2015-11-30 | 2016-03-23 | 陕西航天动力高科技股份有限公司 | Independent retarder in front of box |
| CN106090076A (en) * | 2016-07-26 | 2016-11-09 | 宁波华盛汽车部件有限公司 | A kind of for Retarder elastic device in parallel |
| CN106931057A (en) * | 2017-03-23 | 2017-07-07 | 陕西法士特齿轮有限责任公司 | A kind of separable Retarder work cavity configuration of rotor |
| CN109578467A (en) * | 2018-12-06 | 2019-04-05 | 陕西法士特汽车传动集团有限责任公司 | A kind of Retarder |
| CN109578467B (en) * | 2018-12-06 | 2024-03-15 | 陕西法士特汽车传动集团有限责任公司 | Hydraulic retarder |
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Application publication date: 20150401 |