CN106051130A - Transmission mechanism cooling - Google Patents
Transmission mechanism cooling Download PDFInfo
- Publication number
- CN106051130A CN106051130A CN201610215343.9A CN201610215343A CN106051130A CN 106051130 A CN106051130 A CN 106051130A CN 201610215343 A CN201610215343 A CN 201610215343A CN 106051130 A CN106051130 A CN 106051130A
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- Prior art keywords
- drive mechanism
- tooth
- executor
- cooling structure
- motor
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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
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0412—Cooling or heating; Control of temperature
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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
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
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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
- F16H57/04—Features relating to lubrication or cooling or heating
-
- 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
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0412—Cooling or heating; Control of temperature
- F16H57/0413—Controlled cooling or heating of lubricant; Temperature control therefor
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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
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0412—Cooling or heating; Control of temperature
- F16H57/0415—Air cooling or ventilation; Heat exchangers; Thermal insulations
- F16H57/0417—Heat exchangers adapted or integrated in the gearing
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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
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0467—Elements of gearings to be lubricated, cooled or heated
- F16H57/0476—Electric machines and gearing, i.e. joint lubrication or cooling or heating thereof
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- General Details Of Gearings (AREA)
Abstract
A transmission mechanism (5) includes a hollow wheel (7) with teeth (9); a tooth carrier (11) arranged in the hollow wheel (7) with a radially oriented guide portion; a plurality of teeth (13) housed in the guide portion for action with a tooth portion, wherein the teeth (13) can be supported radially movable in the guide portion in the direction of the longitudinal axis of the teeth with respect to the tooth carrier (11); and a cam plate (15) for radially driving the teeth (13), wherein a transmission mechanism chamber between the cam plate (15) and the hollow wheel (7) can be filled with oil, wherein at least a portion of the teeth (13) and the tooth carrier (11) are located in the transmission mechanism chamber, and wherein an actuator (1) further comprises a cooling structure on the drive side adjacent to the transmission mechanism chamber.
Description
Technical field
The present invention relates to drive mechanism, executor and for the method running executor.
Background technology
The most known executor with special coaxial gear set, this drive mechanism includes some teeth, and this tooth can be bearing in tooth carrier with moving radially.In order to drive described tooth, use the driving element such as cam disc with profile.Described tooth embeds in teeth portion, such that it is able to cause the relative motion between tooth carrier and the teeth portion with tooth.Here, the relative motion between teeth portion and tooth is less than the motion driving element with described profile with at least an order of magnitude.In this way it is possible to obtain high transmission, at DE 10
2007 011 175 A1 disclose the example of such drive mechanism.
The vital point of this drive mechanism is cooling or the leading away of heat, produces this heat in the region of the support of single tooth.A kind of feasible program is to arrange cooling at the outer housing of drive mechanism.But, this point has the drawback that, described inhomogeneous cooling is even and even can result in the clamping of drive mechanism in extreme case.
Summary of the invention
The task of the present invention is, executor is described, this executor is enhanced relative to known executor from the prior art, the most especially, should realize the heat radiation improved.In addition the task of the present invention is, a kind of corresponding method is described.
Use according to the drive mechanism described in claim 1 and solve this task according to the method described in claim arranged side by side.Favourable modification and embodiment is drawn from dependent claims and this explanation.
One aspect of the present invention relates to motor especially electro-motor and the executor of the drive mechanism of motors, and wherein, drive mechanism includes: with the hollow wheel of teeth portion；The tooth carrier of the guidance part with radial directed being arranged in hollow wheel；Tooth, this tooth is contained in for the guidance part of teeth portion effect, and wherein, described tooth can support relative to tooth carrier in guidance part on the direction of the longitudinal axis of this tooth with moving radially；And the cam disc for tooth described in radial drive, wherein, drive mechanism chamber that oil is filled between cam disc and hollow wheel (tooth and tooth carrier remain at least partially within this drive mechanism chamber) can be used, wherein, executor abuts against the cooling structure at drive mechanism chamber with also including driving side.
Another aspect of the present invention relates to the method being cooled in the executor in one of typical embodiment as described herein, and the method provides the coolant joint to cooling system particular with by coolant.
Another aspect of the present invention relates to a kind of drive mechanism, and wherein, this drive mechanism includes: with the hollow wheel of teeth portion；The tooth carrier of the guidance part with radial directed being arranged in hollow wheel；Tooth, this tooth is contained in for the guidance part of teeth portion effect, and wherein, described tooth can support relative to tooth carrier in guidance part on the direction of the longitudinal axis of this tooth with moving radially；And the cam disc for tooth described in radial drive, wherein, drive mechanism chamber that oil is filled between cam disc and hollow wheel (tooth and tooth carrier remain at least partially within this drive mechanism chamber) can be used, wherein, drive mechanism abuts against the cooling structure at drive mechanism chamber with also including driving side.
Here, other element of described cooling structure and drive mechanism can have at this also in relation with the typical structural scheme described by executor, or executor can include the feature that combines described by drive mechanism.Typically, driving side or motor-side refer to such side of drive mechanism, and motor can be assemblied at this side or axially be opposite to the side of driving side of drive mechanism.The cooling structure arrangement in the side of the driving side of drive mechanism achieve largely towards inner radial stretch into for cooling transmission mechanism or for cooling transmission mechanism oil structure.
Embodiments of the present invention particularly relate to the executor with coaxial gear set.Described executor also typically comprises electro-motor.In other embodiments, the motor of hydraulic pressure it is provided with.Generally, the drive mechanism of the present invention includes that this tooth bar is pointed to this situation of driving element of outside and provides teeth portion as driving the internally positioned cam disc with profile of element and the hollow wheel with internally positioned teeth portion or driving element and internally positioned gear or internally positioned tooth bar with the externally-located of internal profile.The allocation plan of described embodiment relates to transform the rotation into the linear driving means into linear motion.
Teeth portion is typically the teeth portion of cincture.The tooth top of tooth or tooth is applied in teeth portion, and wherein, tooth is typically relative to tooth carrier and can support the most movably linearly.Here, " linear ground is radially " generally represents, there is guiding diametrically, this is guided in and radially allows the only one of tooth to move.Typically, by described guiding, pitch section is linearly mobile on an accurate direction, this point can such as be accomplished by, the most described tooth has the most identical cross section in the direction of movement about specific road section length, wherein, tooth carrier has the opening for the pitch section with the most identical cross section equally.Equally, tooth correspondingly can support, typically on the direction of the longitudinal axis of tooth in tooth carrier on an accurate direction movably.Additionally, in typical embodiment, tooth is locked out relative to the rotary freedom around the longitudinal axis of drive mechanism of tooth carrier.Can such as utilize the tooth linear guiding diametrically in tooth carrier to realize this point.By this way, described tooth rotates around the longitudinal axis of drive mechanism along with tooth carrier, but not with respect to tooth carrier rotation.
In the typical embodiment of the drive mechanism according to the present invention, at least some of of tooth designs the most yieldingly.At this typically, concept " the most flexible " technically understands, say, that the bending of tooth is the least due to the rigidity of the material of tooth so that this tooth is the most inessential for the kinesiology of drive mechanism.Unbending tooth especially includes such tooth, and this tooth is made up of metal alloy especially steel or titanium alloy, nickel alloy or other alloy.Additionally, also especially be able to arrange the unbending tooth that formed by plastics in tumbler, in this drive mechanism, components described below at least one be made of plastics equally: teeth portion, tooth carrier at hollow wheel or gear and drive element.In the typical embodiment of the present invention, tooth carrier and tooth are made up of metal alloy, or the most extraly, teeth portion or additionally the most described driving element are made up of metal alloy.Such drive mechanism provides the advantage that, described drive mechanism is the most antitorque and can highly load.The drive mechanism being made of plastics provides the advantage that, this drive mechanism has little weight.Expression way " the most flexible " especially refers to the bending rigidity of the transversal line around pitch section.This means especially that, when pitch section is considered as beam, there is bending rigidity from tooth root to tooth top, and this bending rigidity at least substantially eliminates the flexural deformation between tooth root and tooth top.Achieving the extremely large of drive mechanism by described bending rigidity can loading and torsional rigidity.
In typical embodiment, arranging pivot sections between tooth and described profile, this pivot sections is bearing on rolling bearing, and this rolling bearing is supported on again on described profile.Advantageous embodiment includes pivoting sections, and this pivot sections is arranged in the driving element with described profile and accordingly between at least one tooth.Pivot sections and achieve tooth relative to described profile or relative to pivoting tumbling of sections.Typically, at least two tooth is bearing on pivot sections.Multiple teeth pivoted on sections that are bearing in the most axially are arranged in juxtaposition.
Typically, pitch section is connected loosely with pivoting sections.Here, " connection loosened " preferably represents, pitch section only sets up to pivot on sections, generally directly sets up.Preferably pivoting sections and include contour feature, this contour feature obstruction tooth skids from pivot sections or hinders and pivots sections skidding the most in one direction.It is contemplated that, pivot sections and kept relative to tooth carrier on direction in its position by the tooth of radial direction and linear guiding by this way.Such contour feature can e.g. swell, and this protuberance is applied in depression.Ensureing by this way, pitch section does not slide past pivot sections.It hereby is obtained that, pivots sections and be fixed on the position of tooth and eliminate in the circumferential in pitch section and the relative motion that pivots between sections.Here, preferably, so arrange described contour feature so that locking mobility in the circumferential, thus avoid skidding in the circumferential.But, in other embodiments, it is also possible to arrange ball-and-socket type, spherical or other projection, this projection hinders the skidding pivoting sections relative to tooth.
The typical sections that pivots achieves the supporting of segmentation.In typical embodiment, pivot sections or other the sections such as plate that supports defines the supporting of segmentation.The supporting of segmentation provides the advantage that, this supporting can be mated the profile of driving element and on the other hand achieve reliable power transmission diametrically.
Pivot sections preferably to have with projection and the seamed edge towards each other of depression (such as corrugated or zigzag).This point provides the advantage that, pivots the needle roller below sections in the space being also reliably held in the case of the less spacing pivoted between sections between pivot sections and driving element even if being arranged in.
The advantage that the connection loosened between pitch section and pivot sections provides simple in construction.Especially representing in this " connection loosened ", tooth is protected not with respect to raising from pivot sections.In the drive mechanism of affiliated type, the general tooth of obstruction in the following manner is from the rising of pivot sections, i.e. tooth is guided by teeth portion at tooth top.
The typical embodiment of the present invention includes the driving element with profile.Described profile preferably has arch or the curve of non-circular or non-ellipse.Non-circular or non-ellipse arch provides the advantage that, it is possible to use arbitrary profile, in order to such as set different gear ratios.In the meaning of the application, eccentric part equally circular or in the shape of ellipse, this is because, for eccentric part, the only axis of the most corresponding circle of pivot center, but still there is circle.In typical embodiment, tooth carrier or teeth portion construct circularly.This provides for tooth carrier and the advantage of the simple geometric properties of teeth portion.Typically, between teeth portion and tooth carrier, on the side slowly of drive mechanism, power transmission is carried out.This point provides the advantage that, the shortest for the stroke of power transmission such that it is able to obtain extremely large rigidity.Meet the embodiment of these conditions in the embodiment of non-terminal: with the internally positioned cam disc as driving means with the drive mechanism of the externally-located hollow wheel with teeth portion, wherein, tooth carrier is arranged between hollow wheel and cam disc；The externally-located profile at hollow wheel driven inwardly towards teeth portion for the tooth that will be able to move radially, this teeth portion is arranged on gear or tooth bar.
Teeth portion and tooth typically have the edge of bending.Example for the bending at edge is bending or the bending with the spiral of logarithm as form of column casing shape.For the possible embodiment of the described bending with the spiral of logarithm as form, it is referred to DE 10
2007 011 175 A1.Curved surface provides the advantage that, be in active edge planes ground and be more than the most linearly or point-like rest against.By this way, it is achieved that the extreme rigidity when power between teeth portion and tooth is transmitted.
The typical embodiment of the present invention includes the cam disc of inner hollow.Typically, the axle of motor is also generally hollow, utilizes described axle to drive described drive mechanism.This point achieves other axle or connecting of cable.
In the typical embodiment of the present invention, cooling structure is arranged between drive mechanism chamber and motor.Thus, in typical embodiment, perhaps cooling structure also shows as the part in the isolation part that can use between the drive mechanism chamber of oil filling and the motor inner chamber being typically dried.
In typical embodiment, cooling structure reaches towards inner radial until circular sealing, and this sealing abuts against again at the axle of motor.It is also provided with telophragma in other embodiments.Cooling structure is directly protruding into until this situation of sealing provides the advantage of compact structure, furthermore this sealing abuts against at motor drive shaft.
In typical embodiment, cooling structure includes annulus.Annulus also is able to the extension especially having axially.In other embodiments, annulus is smooth.Such as, annulus can be plate-like and/or include opening at middle part.Other embodiment includes other rotational symmetric form.In this way it is possible to consider the stator of component such as electro-motor or the different structure space requirement of the tooth carrier of bearing or drive mechanism.Therefore, typical embodiment has the cooling structure with the most rotational symmetric annulus, and this annulus also has the upwardly extending form of axle executor.
Typically, the interior diameter of cooling structure is less than the interior diameter of hollow wheel.The interior diameter of hollow wheel is typically the diameter measured by the tooth root of (interior) teeth portion of hollow wheel.In other embodiments, the interior diameter of cooling structure is less than the interior diameter of the stator of motor, and described motor is electro-motor in this case.In typical embodiment, cooling structure compared to the tooth carrier of drive mechanism bearing at least one interior diameter extend inwardly into radially further.The cooling structure stretched into towards inner radial largely provides the advantage that, there is the big face for transmitting heat between coolant and cooling structure.
In typical embodiment, cooling structure includes coolant cavity.Typically, coolant cavity circumferentially constructs.In typical embodiment, cooling structure includes driving side or the outer wall of motor-side and the outer wall of drive mechanism side, coolant cavity is arranged between described outer wall.Driving side or the outer wall of the outer wall of motor-side and drive mechanism side can the most integrally implement or be embodied as the single parts being joined together.In embodiments, cooling structure can have internally positioned ring, and this ring is connected to be located radially at the outer wall of outside, and wherein, heat transmission between these components such as can guarantee by press-fit or by weld seam.In other embodiments, cooling structure is integrally implemented.Such as, driving side or motor-side outer wall and the inner radial of outer wall of drive mechanism side the most integrally connect and have the dish of annular.
Typically, the interior diameter of the coolant cavity interior diameter less than hollow wheel or the interior diameter less than stator.Here, the interior diameter of coolant cavity typically refers to the diameter being farthest positioned at inner radial of the cavity of cincture, this cavity forms coolant cavity.
In typical embodiment, cooling structure is constructed by aluminum.In other embodiments, cooling structure constructs by magnesium or by copper.Aluminum is heat light, that had transmission and can be processed as section bar easily.Copper conducts heat well.
In typical embodiment, the periphery of cooling structure forms a part for the outer surface of executor.Provide compact structure by this way.In this outer surface, coolant joint can be set.But also it is possible that arrange extra externally-located shell or arrange outer housing extraly, this outer housing has the supply lines for the coolant towards coolant cavity.
In typical embodiment, cooling structure has the outer housing section of column casing shape, and this outer housing section is connected to described annulus.Typically, the outer housing section of column casing shape extends towards the direction of motor, or extends past the half of the axial length of stator.In typical embodiment, the outer housing section of column casing shape at least extends up to the stator of motor or rotor axially opposed end from annulus.Achieve stator cooling the most extraly.
In typical embodiment, cooling passage system is integrated in outer housing section.Cooling passage system can have groove, and this groove is arranged at periphery or the inner circumferential of outer housing.In typical embodiment, arranging the collar, this collar hides outer housing section, for example, at least in the region of cooling passage system.The collar can be by metal or be made of plastics.Can be by cooling duct to external seal by the described collar.
In typical embodiment, outer housing section is coated with described motor, such as outer housing section at least in part and the most axially extends up to the half of stator or extend beyond the opposed end of stator of motor.The typical embodiment of motor has stator.In embodiments, outer housing section forms at least one section of the shell around motor arrangement.Provide compact structure by this way.In other embodiments, being provided with extra shell, this shell such as surrounds outer housing section and also or surrounds the extra collar arranged.It is capable of the protection of the machinery improved by this way.
In typical embodiment, such as in the region in the region of motor or between motor and drive mechanism the most immediately to cincture coolant cavity be provided with coolant joint.In other embodiments, coolant joint arrangement or is opposed on the side of motor on the slave end of drive mechanism.To this end, the feed path especially isolated can be arranged, the coolant direction towards motor or the direction towards cooling passage system are supplied by this feed path.Then, typically, cooling passage system is connected to the end of feed path.Typical cooling passage system can be embodied as Double helix.For the coolant joint in the region of motor or between motor and drive mechanism region, it is also possible to use coolant cavity or the cooling passage system of the cincture formed by single-screw.
Accompanying drawing explanation
Specifically explain the present invention below by means of accompanying drawing, wherein accompanying drawing shows that
Fig. 1 schematically illustrates first embodiment of the present invention in half sectional view；And
Fig. 2 shows other embodiment in half sectional view.
Detailed description of the invention
The typical embodiment of the present invention is hereafter described by accompanying drawing, wherein, the invention is not restricted to described embodiment, and the scope of the present invention is determined by claim.In the explanation of embodiment, use the identical reference for same or similar parts the most in different drawings and to different embodiment, in order to make to illustrate clearer.It is not intended that, the corresponding parts of the present invention are limited to the flexible program shown in embodiments.
Figure 1 illustrates the embodiment of executor 1.The schematic diagram of Fig. 1 is carried out the sectional view of half of device 1 extremely signal, wherein, eliminates half, this is because this half only with the half specular shown.
Executor 1 includes motor 3 and drive mechanism 5.Motor 3 is configured to electro-motor and drive mechanism 5 is configured to coaxial gear set.Drive mechanism 5 includes the externally-located hollow wheel 7 with teeth portion 9, and this teeth portion is embodied as interior teeth portion.Inner radial in hollow wheel 7 is provided with tooth carrier 11, and this tooth carrier includes the guidance part of the radial directed for accommodating tooth 13.Tooth 13 the most radially can move respectively in tooth carrier 11.Here, the corresponding each tooth 13 of the direction of motion is from the longitudinal direction of tooth root to tooth top.
Tooth 13 is applied in teeth portion 9, and specifically, the tooth top of tooth 13 is applied in teeth portion 9.
Tooth 13 utilizes its tooth root to be bearing on profile of tooth sections 14, and wherein, each two teeth 13 are bearing on profile of tooth sections 14.The tooth 13 supporting on profile of tooth sections 14 allow for tooth 13 relative to profile of tooth sections 14 around axial the tumbling of drive mechanism 1.This point is necessary, in order in order to provide the orientation movements of the radial direction for profile of tooth sections 14 and the balance of the geometry away from motion, described profile of tooth sections profile based on internally positioned hollow cam disc 15 implements described orientation movements and away from motion.
Pivot sections 14 to be bearing on cam disc 15 by the needle roller 16 as rolling element.Cam disc 15 also is able to be described as driving element, this is because cam disc 15 profile with two projections based on this cam disc produces the orientation movements of the radial direction of tooth 13 and away from motion about the perimembranous of this cam disc, thus the teeth portion 9 of this tooth and hollow wheel 7 interacts.
Hollow wheel 7 supports regularly, and tooth carrier 11 shows as the slave unit of drive mechanism.
The structure for such drive mechanism and model of action further information can be found out from above-cited application.It is accomplished by drive mechanism gear ratio, i.e. in the spacing of the inaccurately tooth of correspondence teeth portion of the space width on direction, thus for a cincture of tooth carrier, needs such as 50 cinctures of cam disc.
Cam disc 15 is connected with the axle 20 of motor 3.Furthermore axle 20 is connected with monomeric fashion with the rotor 22 of motor 3.The embodiment of integral type achieves especially compact structure mode.In other embodiments, axle, cam disc and/or rotor are the single parts preventing from being connected rotationally.
Motor 3 includes the stator 24 of electromagnetism, and this stator is fixed.By the corresponding energising of stator 24, it is possible to realize rotor 22 and thus axle 20 the rotational motion with cam disc 15.Stator 24 also thus is able to be considered as the driving means of motor.
Drive mechanism 5 includes drive mechanism chamber, and this drive mechanism chamber extends diametrically between cam disc 15 and hollow wheel 7.Axially, drive mechanism chamber is limited by sealing 30.Additionally, drive mechanism chamber is axially connected to the cooling structure 50 in drive mechanism chamber towards the direction of motor 3 limits also by motor-side.
At run duration, for especially pivoting the oil level of the lubrication of other parts sections 14, tooth 13 and drive mechanism 5 in drive mechanism intracavity.In order to realize the cooling of drive mechanism 5, the oil being positioned in drive mechanism chamber that is in operation is cooled down by cooling structure 50.By cooling structure 50 is arranged between motor 3 and drive mechanism 5, it is achieved that by oil, the effective of drive mechanism is cooled down.
Cooling structure 50 also includes the axially extended annulus 52 along executor 1.By also along axially extended form, on the one hand cooling structure 50 can be matched to the structure space demand of stator 24 and on the other hand be matched to the structure space demand of tooth carrier 11.The annulus 52 of cooling structure 50 thereby is achieved the dish type with the hole at middle part.Described hole is used for connecting described axle 20, and this axle is sealed by the sealing 30 of motor-side.Cooling structure 50 utilizes the annulus 52 of this cooling structure to be immediately adjacent to the sealing 30 to motor-side, furthermore this sealing is against to axle 20.
Rotor 22 and stator 24 are positioned at the motor-side of the annulus 52 of cooling structure 50, and described rotor and stator can benefit equally from the cooling effect of cooling structure 50.
Annulus 52 between drive mechanism chamber and motor is transitioned in the outer housing section 54 of column casing shape at the periphery of this annulus, and this outer housing section extends in the most axial length of stator 24 and surrounds this stator.The outer housing section 54 of the column casing shape of cooling structure 50 defines a part for the shell of the carrying of executor 1 in addition.
On outside, being milled in outer housing section 54 by groove 56, this groove is sealed by Plastibell 58.Can guide coolant with duplex form in the groove 56 of outer housing section 54 cincture, in order to cool down again described cooling structure 50, this cooling structure accommodates the heat of drive mechanism 5 and accommodates the heat of motor 3 in addition.
The most unshowned is for the supply lines by coolant supply to groove 56.Supply lines can be arranged in the collar, and coolant is also directed to groove from the side departing from drive mechanism of motor.The collar 58 closes cooling passage system towards radially outer.
In fig. 2, in the sectional view of part signal, show another embodiment, furthermore wherein illustrate only half.Additionally, not shown in the sectional view of the embodiment of Fig. 2 motor.It should be noted that the motor of the embodiment of Fig. 2 can be similarly constructed with the motor of the embodiment of Fig. 1.Same or similar parts are used identical reference, and the most all of parts are in depth explained again.This point particularly relates to the drive mechanism of the embodiment of Fig. 2.
The drive mechanism 5 of the embodiment of Fig. 2 is included in driving side and is abutted to the cooling structure 150 in drive mechanism chamber, especially tooth carrier 11 and tooth 13 and is positioned in this drive mechanism chamber.Cooling structure 150 includes the coolant cavity 160 of cincture, and this coolant cavity outer wall 162 by drive mechanism side and the outer wall 164 by motor-side limit.Towards inner radial ground, also annulus 52 is connected to the outer wall 162 of drive mechanism side and the outer wall 164 of motor-side, furthermore, the sealing 30 of motor-side is connected to this annulus, and is connected to axle 20 at the sealing 30 of this motor-side.Annulus and outer wall 162 and 164 and the outer shroud 166 of cooling structure 150 construct with monomeric fashion.
Cooling structure 150 also is able to construct in more than one piece mode in embodiments, such as, be used for easily changing manufacture.
The periphery 168 of cooling structure 50 forms a part for the outer surface of drive mechanism 5.Thus, when drive mechanism 5 merges assembling with electro-motor, periphery 168 provides a part for the outer surface of consequent executor.Cooling structure 150 also includes for the coolant joint (the most not shown) by coolant supply to coolant cavity 160.Cooling structure 150 is constructed with monomeric fashion by aluminum.At cooling structure 150, existence is for deriving another coolant joint of coolant, but this coolant joint the most not shown.
The cooling of drive mechanism is feasible than the cooling structure of more efficient and use Fig. 2 embodiment with saving position, especially, it is positioned at the oil in drive mechanism chamber can effectively be cooled down by the cooling structure of the coolant with percolation, without needing the special cooling duct or similar in drive mechanism forcibly.It is additionally provided with other cooling system in embodiments；In other embodiments, described cooling structure is carried out unique cooling system of device.
With reference to the embodiment at least partly shown in the accompanying drawings, the present invention is described.But the invention is not restricted to described embodiment, the scope of the present invention but determined by claim.Especially it is also possible that used the feature illustrated in embodiments by other embodiment.
Claims (13)
1. a drive mechanism (5), comprising:
-with the hollow wheel (7) of teeth portion (9),
-tooth carrier (11) of the guidance part with radial directed that is arranged in hollow wheel (7),
-multiple teeth (13), this tooth is contained in for the guidance part of teeth portion effect, and wherein, described tooth (13) can support relative to tooth carrier (11) in guidance part on the direction of the longitudinal axis of this tooth with moving radially, and
-cam disc (15) for tooth described in radial drive (13),
-wherein, it is possible to use what oil was filled in the drive mechanism chamber between cam disc (15) and hollow wheel (7), tooth (13) and tooth carrier (11) to remain at least partially within this drive mechanism chamber,
-wherein, drive mechanism (105) abuts against the cooling structure (50,150) at drive mechanism chamber with also including driving side.
2. according to the drive mechanism (5) described in claim 1, wherein, cooling structure (50,150) includes annulus (52).
3. according to the drive mechanism (5) described in claim 1 or 2, wherein, the interior diameter of cooling structure (50,150) is less than the interior diameter of hollow wheel (7).
4., by drive mechanism in any one of the preceding claims wherein (5), wherein, cooling structure (150) includes the coolant cavity (160) of cincture.
5. according to the drive mechanism (5) described in claim 4, wherein, the interior diameter of coolant cavity (160) is less than the interior diameter of hollow wheel (7).
6. by drive mechanism in any one of the preceding claims wherein (5), wherein, cooling structure (50,150) with monomeric fashion structure and/or is constructed by aluminum.
7. an executor (1), this executor with motor (3) especially electro-motor and be connected with motor (3) by drive mechanism in any one of the preceding claims wherein (5).
8. according to the executor (1) described in claim 7, wherein a, part for the outer surface of periphery formation executor (1) of cooling structure (50).
9. according to the executor (1) described in claim 7 or 8, wherein, cooling structure (50) has the outer housing section (54) of column casing shape, and this outer housing section is connected to described annulus (52).
10. according to the executor (1) described in claim 9, wherein, cooling passage system is integrated in outer housing section (54).
11. according to the executor (1) described in claim 9 or 10, and wherein, outer housing section (54) is coated with motor (3) at least in part and/or forms at least one section of the shell arranged around motor (3).
12. press executor in any one of the preceding claims wherein (1), and wherein, coolant joint arrangement is on the slave end of drive mechanism (5).
13. 1 kinds for cooling, according to the drive mechanism according to any one of claim 1 to 7 or according to the method for the executor (1) according to any one of claim 8 to 12, the method is particular with the coolant joint (170) by coolant supply to cooling system.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102015105543.0 | 2015-04-10 | ||
| DE102015105543.0A DE102015105543A1 (en) | 2015-04-10 | 2015-04-10 | transmission cooling |
Publications (2)
| Publication Number | Publication Date |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102017102187A1 (en) | 2017-02-03 | 2018-08-09 | Wittenstein Se | Transmission device and use of a transmission device |
| DE102017102186A1 (en) | 2017-02-03 | 2018-08-09 | Wittenstein Se | Comparator and transmission device with a comparator |
| EP3719353B1 (en) * | 2018-02-23 | 2021-11-17 | Valeo Siemens eAutomotive Germany GmbH | Arrangement comprising an electric machine and a gearbox and vehicle |
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| US3874183A (en) * | 1974-02-21 | 1975-04-01 | Hughes D Burton | Cooling device for fluid of a motor vehicle transmission |
| CN101675270A (en) * | 2007-04-27 | 2010-03-17 | 维特恩斯坦股份公司 | Coaxial transmission |
| DE102007049599A1 (en) * | 2007-10-15 | 2009-05-07 | Innovative Windpower Ag | Temperature control of coupled gearbox and generator in a wind turbine |
| CN101883935A (en) * | 2007-12-04 | 2010-11-10 | 维特恩斯坦股份公司 | Drive unit having at least one transmission stage |
| CN202284639U (en) * | 2011-03-15 | 2012-06-27 | 南京高速齿轮制造有限公司 | Speed-up gear box for wind driven generator |
| CN202371132U (en) * | 2011-12-20 | 2012-08-08 | 上海创力集团股份有限公司 | Water-cooled cutting reducer for development machine |
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| JP2014126005A (en) * | 2012-12-27 | 2014-07-07 | Nidec Tosok Corp | Electric oil pump |
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| Publication number | Publication date |
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| CN106051130B (en) | 2021-04-09 |
| DE102015105543A1 (en) | 2016-10-13 |
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