CN104329399B - retarder with improved bearing lubrication - Google Patents
retarder with improved bearing lubrication Download PDFInfo
- Publication number
- CN104329399B CN104329399B CN201410203359.9A CN201410203359A CN104329399B CN 104329399 B CN104329399 B CN 104329399B CN 201410203359 A CN201410203359 A CN 201410203359A CN 104329399 B CN104329399 B CN 104329399B
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- CN
- China
- Prior art keywords
- retarder
- interface channel
- stator
- working media
- bearing
- 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.)
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Classifications
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D57/00—Liquid-resistance brakes; Brakes using the internal friction of fluids or fluid-like media, e.g. powders
- F16D57/04—Liquid-resistance brakes; Brakes using the internal friction of fluids or fluid-like media, e.g. powders with blades causing a directed flow, e.g. Föttinger type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T10/00—Control or regulation for continuous braking making use of fluid or powdered medium, e.g. for use when descending a long slope
- B60T10/02—Control or regulation for continuous braking making use of fluid or powdered medium, e.g. for use when descending a long slope with hydrodynamic brake
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D33/00—Rotary fluid couplings or clutches of the hydrokinetic type
- F16D33/06—Rotary fluid couplings or clutches of the hydrokinetic type controlled by changing the amount of liquid in the working circuit
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2300/00—Special features for couplings or clutches
- F16D2300/02—Overheat protection, i.e. means for protection against overheating
- F16D2300/021—Cooling features not provided for in group F16D13/72 or F16D25/123, e.g. heat transfer details
- F16D2300/0214—Oil or fluid cooling
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D33/00—Rotary fluid couplings or clutches of the hydrokinetic type
- F16D33/18—Details
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Transportation (AREA)
- Braking Arrangements (AREA)
Abstract
The present invention relates to a kind of hydrodynamic machines, especially Retarder (1), the hydrodynamic machine includes retarder housing (2), rotor (3) and stator (4), wherein, rotor (3) and stator (4) mutually form the working space (6) of anchor ring shape, the working space is connect according to the working condition of machine by entrance area (8) and exit region (7) with the working media from external working media circuit (9), wherein, rotor (3) is arranged on the axis (5) supported in a rotatable manner, the at least side of the axis is supported on the inside of retarder housing (2) by bearing (11).To improve in non-brake running safety in operation suggestion, interface channel (12) is equipped between exit region (7) and entrance area (8), at least in non-brake operation, working media for lubricating bearing (11) can flow through the interface channel so that bearing is sufficiently lubricated and/or cooled down.
Description
Technical field
The present invention relates to a kind of hydrodynamic machines, especially Retarder.
Background technology
Retarder consists essentially of retarder housing, bladed rotor and fills vaned stator, wherein, rotor and
Stator mutually forms the working space of anchor ring shape.It is according to the working condition of machine by entrance area and exit region with coming from
The working media connection in external working media circuit.
Rotor is arranged on the axis supported in a rotatable manner, and at least side of the axis is supported on retarder shell by bearing
The inside of body.
This kind of hydrodynamic machine or retarder are known on the market or from a large amount of publication with a variety of modifications.Oil is work
Medium, it is also contemplated that the water with different mixtures is as working media.
Some modified constructions are so that the bearing of retarder axis is arranged on the inside of retarder housing.Bearing is generally set
For so that it reliably lubricates and cools down by working media in the running under braking of retarder.For this purpose, bearing is with entering circulation
The entrance area of road or working space connects.
Certainly, run time or require retarder braking moment time it is relatively few compared to for non-brake operation.
Thus the bearing of retarder side or the bearing arrangement of retarder side are slow in oil pressure to be generated the problem that for non-brake operation
In device, it is not enough to lubricate.Although being constantly present the oil of surplus in retarder, it is merely used for reducing idle resistance,
These oil cannot reliably reach bearing portion.In order to realize enough lubrications and cooling, known bypass skill from the prior art
Art scheme, the technical solution also provide pumping unit, so that working media stream is delivered to bearing.
Invention content
The technical problems to be solved by the invention are, it is proposed that a kind of low-cost solution, so as in free-runing operation
In to the bearing arrangement of retarder side securely feed working media.
The technical problem is by a kind of hydrodynamic machine by the present invention, especially in accordance with hydrodynamic retarding of the type mentioned at the beginning
Device solves, and interface channel is equipped between exit region and entrance area, at least in non-brake operation, for lubricating bearing
Working media can flow through the interface channel.
The interface channel of also referred to as short-channel is designed to so that working media can be from outlet area in non-brake operation
Domain reaches entrance area.There is pumping function in itself in this retarder.
The remaining oil retained later is braked in retarder always to pump from entrance area in non-brake operation, free-runing operation
To exit region.Thus superpressure is formed in exit region, a part for the working media accumulated at this is led to due to the superpressure
Interface channel is crossed to be pressed back into entrance area.
Because bearing is connect with entrance area, working media is reached on bearing.For lubrication working media then
Pass through access road and working space pumped back exit region.
Interface channel is dimensioned to so that ensures at least one enough lubrications of the bearing of retarder side.
Therefore, in certain share of the working media of the internal circulation of retarder or oil for lubrication and cooling bearing.
In preferred organization plan, interface channel can be set in the stator.It is particularly advantageous that stator structure is,
So that it establishes the separation of entrance area and exit region simultaneously.
Furthermore it is advantageous that interface channel is arranged below in retarder region or in stator region.Therefore, it is even if small
Fuel Oil Remaining it is also forcibly logical by connecting from the exit region that is sucked wherein due to the pump action of retarder of oil
Road is pumped into the also entrance area with bearing.From at this, oil is then returned to by access road in circuit.
In addition, interface channel can also be arranged on the bottom acnode of stator into ± 15 °, the circle in the range of preferably ± 9 °
On arc.
To optimize lubricants capacity, the diameter of interface channel can be in 0.5mm between 5mm, preferably 2mm.
To prevent from flowing back into exit region from entrance area, check-valves is equipped in interface channel.
In a kind of advantageous organization plan, interface channel can parallelly prolong with the interface between rotor and stator
It stretches.
Description of the drawings
By other features and other advantages of the equipment of the present invention from the explanation of following preferred embodiment and with reference to attached
Figure obtains.It is following that according to schematic diagram, the present invention is further explained.
In the accompanying drawings:
Retarders without interface channel of the Fig. 1 in running under braking
Fig. 2 is in the non-brake running retarder with interface channel
Fig. 3 a, Fig. 3 b have two views of the stator of interface channel
Specific embodiment
Fig. 1 shows the retarder 1 without interface channel in running under braking.From external working media circuit 9
Working media is conveyed to entrance area 8.Oil sets the entrance of access road 14 in the stator 4 to turn herein from the process of entrance area 8
Working space between son 3 and stator 4.If working media, such as oil level in working space, then braking moment passes through retarder
It generates, thus heating oil.For the purpose of cooling, by the pump action of retarder, always the working media of partial amount passes through this
The outlet opening 15 of place's setting in the stator 4 is pumped back in external working media circuit 9.
External working media circuit 9 is substantially by that can apply with the working media memory 19 of compressed air and cooler 18
Composition.In running under braking, working media memory 19 applies with compressed air, so that working media enters retarder 1 or work
Make in space 6.There are oil return lines in running under braking, and in the oil return line, oil rotates between retarder 1 and cooler 18.
It is supported with the retarder axis 5 for being fixed with rotor 3 thereon by two bearing portions 11,11.1.Bearing portion 11
In retarder housing, second bearing position 11.1 is located at the outside of retarder housing.Second bearing 11.1 is by adjacent change
Fast device oil 20 is lubricated and is cooled down.Thus the clutch shaft bearing 11 of retarder side is lubricated and is cooled down in running under braking so that it
It is arranged in the entrance area 8 before access road 14.In non-brake operation, when working media is without flow through entrance area 8,
Without lubrication of the active to bearing 11 and cooling.
Fig. 2 shows the retarders in non-brake operation with the interface channel 12 by the present invention.The retarder 1 is in addition to even
Connect except hole or interface channel 12 with constructed in Fig. 1 it is identical.Structure shown herein exemplifies this possibility, exit region 9
The setting for the component for passing through retarder with entrance area 8 is formed and can be connected with each other.
In the structure of shown here, rotor 3, stator 4 and housing parts 2,2.1, entrance area 8 and exit region 9
By stator 4, molding is realized accordingly.Connecting hole can be particularly simple introduced into this embodiment to be separated in filler ring 22.
Alternately, it is (logical outside such as can also to lead to external connection device for the connection between exit region and entrance area
Road or the channel across housing parts) it realizes.
In non-brake operation, retarder separates with external working media circuit 9.But it is the purpose for reducing idle resistance,
Always retain certain Fuel Oil Remaining in retarder.Therefore, which is also pumped into exit region 7 from entrance area 8
In.Here, forming superpressure in exit region 7, by the superpressure, oil is logical by interface channel 12 or short circuit from exit region 7
Road is pressed back into entrance area 8.Therefore, reliably oil supply can be supplied to the clutch shaft bearing 11 of retarder side.
Fig. 3 a, Fig. 3 b show two views of the stator 4 with interface channel 12.As it can be seen that connecting hole 12 in front view
It is arranged in the lower zone of the separation filler ring 22 on stator 4.Here, interface channel 12 is located at from the upward angulation of bottom acnode
It spends on the circular arc of α, the angle [alpha] is at ± 15 °, in the range of preferably ± 9 °.
In addition, as it can be seen that interface channel 12 is parallel to interface 13 sets from Fig. 3 b.
The position of interface channel 12 and diameter are functionally critically important.It is important especially in running under braking
It is that interface channel 12 does not influence braking moment.It has been found that diameter in 0.5mm between 5mm, preferably the aperture of 2mm can be non-
Enough lubrications are realized in running under braking, and at the same time will not undesirably influence braking moment in running under braking.
Reference numerals list
1 retarder
2;2.1 retarder housings
3 rotors
4 stators
5 axis
6 working spaces
7 exit regions
8 entrance areas
9 working media circuits
11;11.1 bearings
12 interface channels
13 interfaces
14 access roades
15 exit passageways
The preceding Flow Line in 16 working media circuits
The reflux line in 17 working media circuits
18 coolers
19 working media memories
20 transmission oils
21 sealing devices
22 separate filler ring
Claims (11)
1. a kind of Retarder (1), which includes retarder housing (2), rotor (3) and stator (4), wherein,
Rotor (3) and stator (4) mutually form the working space (6) of anchor ring shape, and the working space is according to the work of the Retarder
Make state to connect with the working media from external working media circuit (9) by entrance area (8) and exit region (7),
In, the rotor (3) is arranged on the axis (5) supported in a rotatable manner, and at least side of the axis is propped up by bearing (11)
It holds in the inside of the retarder housing (2),
It is characterized in that,
Interface channel (12) is equipped between exit region (7) and entrance area (8), for lubricating the working media of bearing (11)
The interface channel can be at least flowed through in non-brake operation.
2. Retarder as described in claim 1,
It is characterized in that, the interface channel (12) is arranged in the stator (4).
3. Retarder as described in claim 1,
It is characterized in that, the interface channel (12) is arranged in the retarder housing (2).
4. Retarder as described in claim 1,
It is characterized in that, the connection between exit region (7) and entrance area (8) is realized by external connection device.
5. Retarder as described in claim 2,
It is characterized in that,
The interface channel (12) is arranged below in stator region.
6. Retarder as described in claim 5,
It is characterized in that,
The interface channel (12) is arranged on the bottom acnode on the stator (4) on the circular arc in the range of ± 15 °.
7. Retarder as described in claim 5,
It is characterized in that,
The interface channel (12) is arranged on the bottom acnode on the stator (4) on the circular arc in the range of ± 9 °.
8. the Retarder as described in one of claim 1 to 7,
It is characterized in that,
The diameter of the interface channel (12) is in 0.5mm between 5mm.
9. the Retarder as described in one of claim 1 to 7,
It is characterized in that,
A diameter of 2mm of the interface channel (12).
10. the Retarder as described in one of claim 1 to 7,
It is characterized in that,
Check-valves is equipped in the interface channel (12).
11. the Retarder as described in one of claim 1 to 7,
It is characterized in that,
Interface (13) between the interface channel (12) and rotor (3) and stator (4) is parallelly in filler ring (22) is separated
Extension.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201310208901 DE102013208901A1 (en) | 2013-05-14 | 2013-05-14 | Retarder with improved bearing lubrication |
DE102013208901.5 | 2013-05-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104329399A CN104329399A (en) | 2015-02-04 |
CN104329399B true CN104329399B (en) | 2018-07-10 |
Family
ID=51831319
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410203359.9A Active CN104329399B (en) | 2013-05-14 | 2014-05-14 | retarder with improved bearing lubrication |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN104329399B (en) |
DE (1) | DE102013208901A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016003440A1 (en) | 2016-03-19 | 2016-11-03 | Daimler Ag | Hydrodynamic retarder, in particular secondary water retarder, for a vehicle |
DE102018000709A1 (en) | 2018-01-30 | 2018-07-12 | Daimler Ag | Hydrodynamic retarder for a vehicle |
CN110081096A (en) * | 2019-05-24 | 2019-08-02 | 苏州特速安机电科技有限公司 | A kind of fluid power deceleration device |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3774735A (en) * | 1971-01-16 | 1973-11-27 | Daimler Benz Ag | Hydrodynamic retarder for vehicles |
DE8414929U1 (en) * | 1984-05-16 | 1984-08-09 | Voith-Turbo Gmbh & Co Kg, 7180 Crailsheim | HYDRODYNAMIC CLUTCH |
EP0233331A1 (en) * | 1985-12-21 | 1987-08-26 | VOITH TURBO GMBH & CO. KG | Hydrodynamic retarder with device for reducing air circulation losses |
DE102008049283A1 (en) * | 2008-09-26 | 2010-04-29 | Voith Patent Gmbh | Hydrodynamic machine and method of operating the same |
EP2258593A2 (en) * | 2009-06-04 | 2010-12-08 | ZF Friedrichshafen AG | Vehicular switching drive with secondary retarder |
CN202833756U (en) * | 2012-10-26 | 2013-03-27 | 无锡开来帝森科技有限公司 | Hydrodynamic retarder |
-
2013
- 2013-05-14 DE DE201310208901 patent/DE102013208901A1/en not_active Withdrawn
-
2014
- 2014-05-14 CN CN201410203359.9A patent/CN104329399B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3774735A (en) * | 1971-01-16 | 1973-11-27 | Daimler Benz Ag | Hydrodynamic retarder for vehicles |
DE8414929U1 (en) * | 1984-05-16 | 1984-08-09 | Voith-Turbo Gmbh & Co Kg, 7180 Crailsheim | HYDRODYNAMIC CLUTCH |
EP0233331A1 (en) * | 1985-12-21 | 1987-08-26 | VOITH TURBO GMBH & CO. KG | Hydrodynamic retarder with device for reducing air circulation losses |
DE102008049283A1 (en) * | 2008-09-26 | 2010-04-29 | Voith Patent Gmbh | Hydrodynamic machine and method of operating the same |
EP2258593A2 (en) * | 2009-06-04 | 2010-12-08 | ZF Friedrichshafen AG | Vehicular switching drive with secondary retarder |
CN202833756U (en) * | 2012-10-26 | 2013-03-27 | 无锡开来帝森科技有限公司 | Hydrodynamic retarder |
Also Published As
Publication number | Publication date |
---|---|
DE102013208901A1 (en) | 2014-11-20 |
CN104329399A (en) | 2015-02-04 |
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C53 | Correction of patent for invention or patent application | ||
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Address after: German Hayden Haim Applicant after: Voith Patent GmbH Address before: German Hayden Haim Applicant before: Voith Paper Patent GmbH |
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COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: VOITH PAPER PATENT GMBH TO: VOITH PATENT GMBH |
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C10 | Entry into substantive examination | ||
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GR01 | Patent grant | ||
GR01 | Patent grant |