CN104712737B

CN104712737B - Decelerator with housing

Info

Publication number: CN104712737B
Application number: CN201310694985.8A
Authority: CN
Inventors: 邬自力
Original assignee: SEW- INDUSTRIAL REDUCER (TIANJIN) Co Ltd
Current assignee: SEW- INDUSTRIAL REDUCER (TIANJIN) Co Ltd
Priority date: 2013-12-17
Filing date: 2013-12-17
Publication date: 2017-10-03
Anticipated expiration: 2033-12-17
Also published as: CN104712737A

Abstract

The present invention relates to a kind of decelerator with housing, wherein, for Oil Guide and reduction splash loss, food tray surrounds the circumferential section of meshing part especially gear especially on radial and axial, wherein, food tray is at least made up of three parts, at least it is made up of a bottom plate and two side walls, wherein, bottom plate is connected with two sidewall threads, wherein, food tray is fixed on housing, wherein, food tray is especially on its most deep surface region, especially there is recess in the surface region with maximum radial distance, especially passage, especially wherein, in pinion rotation, oil is conveyed from the oil sump of decelerator through the recess food tray and gear, especially it is transported on the position higher than the liquid level of oil sump, wherein, bottom plate and side wall are to rush comer pieces.

Description

Decelerator with housing

Technical field

The present invention relates to a kind of decelerator with housing.

Background technology

It is generally known that the housing of decelerator has bearing receptacle, deceleration can be received in the bearing receptacle The bearing of the axle of device and export corresponding power.

The content of the invention

Therefore, it is an object of the present invention to which environmental protection, especially protects resource.

The purpose is according to the present invention by being realized according to the housing for decelerator of following characteristics.

Key character according to the decelerator with housing of the present invention is that the housing includes upper case part and housing Lower component,

Especially wherein, upper case part is shaped to shelly, especially half shell shape,

Wherein, the upper case part has the roof (Deckenwandung) at least partly defining decelerator inner chamber, institute State roof so along vertical and horizontal arching, especially recessed arch so that the oil droplet of splash to roof transversely or is in reverse to horizontal stroke Instilled to ground along the roof in the groove being molded on the inside of upper case part,

Especially wherein, the slope of the amount of taper of roof, i.e. roof relatively horizontal orientation with roof peak, especially Be be zero with roof gradient point between spacing increase transversely than along longitudinal direction increase faster.

It is in this advantage, roof is so obliquely designed so that from meshing part (such as gear) splash to the oil droplet of roof Towards the groove discharge in upper case part and for part to be lubricated it can be provided lubricating oil at this.

Wherein, the upper case part, which has, at least partly defines the roof of decelerator inner chamber, the roof along longitudinal direction and Horizontal arching, especially recessed arch,

Upper case part has on the inside of it is molded over groove on upper case part, especially integratedly, i.e. single-piece The groove of ground shaping,

Wherein, the amount of taper of roof, especially be roof relatively horizontal orientation slope with roof highest surface point, The increase for the spacing between surface point for being especially zero with roof gradient, transversely than increasing faster along longitudinal direction.

It is in this advantage, roof is so obliquely designed so that from meshing part (such as gear) splash to the oil droplet of roof Towards the groove discharge in upper case part and for part to be lubricated it can be provided lubricating oil at this.Oil droplet preferably edge Roof transversely or be in reverse to and laterally convey, so that transversely or to be in reverse to the groove fuel feeding of lateral arrangement.

In a kind of favourable design, the axial line orientation for being transversely parallel to driven shaft/output shaft, wherein, It is described longitudinally perpendicular and/or transverse to the transversal orientation, especially wherein, the axial line being parallel to by jackshaft The plane earth limited with the axial line of driven shaft is oriented.

In a kind of favourable design, the roof is molded corresponding to vault.It is in this advantage, the oil droplet of splash Drain along vault, taken shape in be then directed to downwards in side in the groove on inner side.

In a kind of favourable design, lubricating oil is transported to part to be lubricated from the groove, such as bearing and/ Or meshing part.It is that oil is delivered in groove by this feature by " in oily splash to roof " in this advantage.Additionally, may be used To be delivered lubricating oil to by the pump action with the coefficient gear of food tray in groove, therefore there is enough oil to be used to moisten Sliding part to be lubricated, such as bearing or the meshing part in engagement state.

In a kind of favourable design, for Oil Guide and reduction splash loss, food tray is especially on radial and axial The circumferential section of meshing part --- especially gear --- is surrounded,

Wherein, food tray is at least made up of three parts, i.e., be at least made up of a bottom plate and two side walls, wherein, it is described Bottom plate is connected with two sidewall threads,

Wherein, food tray is fixed on housing,

Wherein, food tray is especially on its most deep surface region, especially i.e. in the surface region with maximum radial distance It is upper that there is a recess, especially a passage,

Especially wherein, in pinion rotation, the oily oil sump from decelerator is through the recess food tray and gear Conveying, is especially transported on the position higher than the liquid level of oil sump,

Wherein, the bottom plate and side wall are to rush comer pieces.

It is that oil can be delivered to higher position, such as intermediate storage by gear from the oil sump of decelerator in this advantage Device or the groove that confluxes, and therefore can be at this with oil lubrication bearing and the engaging piece in engagement state.This Outside, splash loss can be reduced by food tray, the food tray at least partially accordingly follows the profile of gear, that is, the gear rotated Envelope (the cylindrical space region that the gear rotated is contacted).For this reason, it may be necessary to by the gear of rotation and food tray (especially The bottom plate of food tray) between slit design obtain smaller.The surface segment towards gear of the bottom plate is arranged in nibbles with gear On the radial distance opened at the top of conjunction portion to the radial distance only slight gap of Gear axis.Therefore, the table towards gear of bottom plate Face section generally circumferentially with it is axially extending, but except recess, the recess and Gear axis, especially with can not with the gear The axial line for the axle being connected in relative rotation always has identical radial distance.

The design that food tray is designed as only being made up of three parts for constituting food tray (i.e. bottom plate and side wall) makes it possible to It is enough by these parts are threaded togather and abnormal cost it is cheap manufacture.

In a kind of favourable design, the spacing especially radially existed between bottom plate and the engaging piece top It is constant in the range of the angle of circumference covered by the food tray.It is that small gap is just sufficient as the spacing in this advantage Enough realize pump action.It is possible thereby to reduce splash loss.

In a kind of favourable design, the bottom plate has the connection sheet section radially extended, and the side wall is borrowed Screw connection structure is helped to be threadedly coupled with the connection sheet section.It is in this advantage, can be by bending punching plate with letter Single mode manufactures connection sheet section.In addition, connection sheet section can be oriented parallel to side wall, i.e., perpendicular to circumferentially with axially prolong The backplate surface section stretched.Thus, it is possible to realize connection simply stable between bottom plate and side wall.For using different size Gear reducer structure series, can for reducer structure series each decelerator separately design different gearratios. But therefore bottom plate needs to be fixed on the radial distance being adapted to respectively, and the therefore threaded connection knot between bottom plate and side wall The screw element axially directed of structure also needs correspondingly to be fixed on different radial distances.

In a kind of favourable design, side wall has mark, can be opened up in the mark for connecting for screw thread The perforation that the screw element of binding structure is passed through.It is in this advantage, can be according to the size of the gearratio of decelerator or gear especially It is that tip diameter opens up perforation in each different radial distances marked, and therefore can be in different radial distances Upper arrangement food tray.

In a kind of favourable design, the recess --- especially passage --- is by the bottom plate and two side walls Define.It is that can inexpensively manufacture the recess of conveying oil in a straightforward manner in this advantage.

In a kind of favourable design, the bottom plate and each side wall integratedly, are i.e. formed single-piece respectively. This advantage is can be fabricated to each in three parts and rush comer pieces, i.e., simply and inexpensively manufacture very much. Two side walls even can be designed in the same manner herein.

In a kind of favourable design, housing is provided for decelerator, wherein, the housing includes upper case part And lower case part, wherein, the upper case part has the carrying section of frame-like, and wall is formed in the carrying section Section, wherein, the carrying section of the frame-like integratedly, is i.e. molded single-piece with the wall section, is especially shaped to Casting, especially steel-casting.

Be in this advantage, only carrying section need include lot of materials i.e. quality, and wall section without.Thus, it is possible to The mode for saving material transmits big power.

In a kind of favourable design, the thickest degree of the wall section is less than the thickest of carrying section Degree.It is that wall section can be designed as with thin wall thickness and design housing with therefore can saving material in this advantage.

In a kind of favourable design, the frame-like carrying section of the upper case part have the first cross rib and Second cross rib, especially wherein, the cross rib are mainly horizontally extending, especially i.e. in the horizontal direction than any All prolong on the direction of horizontal direction and project farther,

Wherein, the carrying section of the frame-like has two first ribs and two the second ribs,

Wherein, the two first ribs are spaced apart from each other and are connected respectively with the first cross rib, especially at two mutually Position spaced apart is connected with the first cross rib respectively,

Especially wherein, the first rib extends mainly in the vertical direction, and especially i.e. in the vertical direction ratio is in any horizontal stroke To projecting farther in all prolonging on the direction of vertical direction,

Wherein, described two second ribs are spaced apart from each other and are connected respectively with the second cross rib, especially in two phases Mutually position spaced apart is connected with the second cross rib respectively,

Especially wherein, second rib extends mainly in the vertical direction, and especially i.e. in the vertical direction ratio is in any horizontal stroke Projected farther in all prolonging on the direction of vertical direction.Be in this advantage can be realized with few material consumption it is extra high steady It is qualitative.Then the carrying section of frame-like has a construction of rectangle, wherein the rectangle on two opposite side from square Bent out in the plane of shape so that the region of bending is arranged substantially in the other plane vertical with the plane, these Other plane is spaced from each other and parallel.

In a kind of favourable design, each first rib and each second rib are at its end away from respective transversal rib There is a carrying eyelet at portion region.It is that the power in transport in incoming housing is directly imported into holding for frame-like in this advantage Carry in section without importing in the wall section with thin wall thickness.

In a kind of favourable design, one of first rib is in its end region and the first beam, especially hold Carrier beam is connected, and first beam is connected in its other end with the end regions of one of them the second rib,

Wherein, another first rib is connected in its end region with another beam, especially carrier bar, and another beam is again It is connected in its other end with the end regions of another second rib,

Especially wherein, the two beams are parallel to each other and are spaced arrangement of turning up the soil.It is in this advantage, can be by branch Support structure realizes high stability.

In a kind of favourable design, an axle of decelerator is supported in housing by bearing, wherein, bearing is received The Part I in portion is arranged in upper case part, and the Part II of bearing receptacle is arranged in lower case part, wherein, The Part I of the bearing receptacle be designed as thicken section and with the area that respective rib is also associated with thereon of cross rib Domain is connected.It is that the additional support (structure) of frame-like carrying section is provided with by thickening section in this advantage.

In a kind of favourable design, case lid closes the opening of the upper case part, and the opening is by described The carrying section of frame-like is surrounded, and is surrounded especially spaced apartly, in particular so that the carrying section of the frame-like The opening is not directly contacted with, but is opened with the open space.It is that decelerator part can be checked by opening in this advantage And carry out maintenance work.Here, lubricating oil will not also flow out from decelerator, because the opening is arranged on housing The upside of part.

The key character of decelerator is that decelerator is provided with housing, wherein, an axle of decelerator is supported on housing by bearing It is interior, wherein, the Part I of bearing receptacle is arranged in upper case part, and the Part II of bearing receptacle is arranged in shell In body lower component, wherein, the Part I of the bearing receptacle is designed as thickening section and gone back with cross rib thereon The region for being connected with respective rib is connected.

It is to realize high torsional rigidity and high mechanical stability in this advantage.

The invention is not limited in the combinations of features of claim.To those skilled in the art, especially for Task is proposed and/or the task by being proposed compared with the prior art, can obtain claim and/or single right It is required that other reasonable combination possibilities of the feature of the feature and/or accompanying drawing of feature and/or specification.

Brief description of the drawings

The present invention is expanded on further now according to accompanying drawing：

Fig. 1 illustrates the reducing gearbox for decelerator according to the present invention looked up in the first watcher to squint Body, the reducer shell is made up of upper case part 1 and lower case part 2；

Fig. 2 illustrates the reducer shell according to the present invention looked up in another watcher to squint；

Fig. 3 illustrates the reducer shell according to the present invention looked up in the 3rd watcher to squint；

Fig. 4 illustrates lower case part 2 to squint；

Fig. 5 illustrates upper case part 1 to squint；

Fig. 6 shows the frame-like carrying section of upper case part 1；

Fig. 7 shows to engage into the side wall section 3 in frame-like carrying section as the part of upper case part 1；

Fig. 8 shows the wall section with ripple struction as the part of lower case part 2, especially the i.e. wall area of concave-convex design Section；

Fig. 9 shows oil level 90；

Figure 10 shows the gear 100 of decelerator, and the gear is arranged in a relatively unrotatable manner is supported on deceleration Surrounded on axle 101 in device housing and at least in part by the food tray being fixed on lower case part 2；

Figure 11 illustrates food tray in itself to squint, and wherein food tray has side wall 102 and bottom plate 103；

Figure 12 shows the side wall 102 of food tray；

Figure 13 shows the bottom plate 103 of food tray；

Figure 14 is shown without the food tray of front side wall 102, therefore gear can be seen in oblique view, wherein having marked first It is local；

Figure 15 enlargedly shows Figure 14 the first part, wherein it is local to have marked second；

Figure 16 enlargedly shows Figure 15 the second part；

Figure 17 shows the reducer shell along longitudinally cutting, it will be seen that the arching of roof, especially along longitudinal direction Arc is moved towards；

Figure 18 shows the reducer shell of transversely cutting, it will be seen that the arching of roof, especially transversely Arc is moved towards.

Reference numerals list：

1 upper case part

2 lower case parts

3 side wall sections

4 case lids

5 depressed parts used for the operating area of screw connection structure

6 ripple structions, especially concavo-convex wall section

60 first beams

60 ' another beams

61 first ribs

61 ' second ribs

62 first cross ribs

62 ' second cross ribs

63 carrying eyelets

90 oil levels

100 gears

101 axles

102 side walls

103 bottom plates

120 connection sheet sections

130 valgus

170 trench walls

171 roofs

Oily flow direction on 172 roofs 171

Embodiment

As shown in figure 1, lower case part 2 is arranged in the lower section of upper case part 1.Namely upper case part 1 is along vertical side To being arranged in above lower case part 2.

Upper case part 1 has the carrying section of frame-like, and the carrying section of the frame-like is born and conducts major part Power.Remaining section of upper case part 1 is surrounded inside decelerator with being only designed for oil seal, that is, is designed to compare supporting region The wall thickness of section is thinner, and abuts in carrying section.

Therefore, upper case part 1 and lower case part 2 are shaped to shelly.

The frame-like carrying section of upper case part 1 has the first cross rib 62.First cross rib is main along level Direction extends.

Two first ribs 61 are spaced and are connected respectively with the first cross rib 62, are especially spaced apart from each other at two Position on be connected respectively with the first cross rib 62.

First rib 61 extends mainly in the vertical direction, that is, in the vertical direction than any transverse to vertical direction All prolong on direction and project farther.

The frame-like carrying section of upper case part 1 also has the second cross rib 62 '.Second cross rib is main along water Square to extension.

Two the second ribs 61 ' are spaced and are connected respectively with the second cross rib 62 ', are especially spaced at two It is connected respectively with the second cross rib 62 ' on the position opened.

Second rib 61 ' extends mainly in the vertical direction, that is, in the vertical direction ratio any transverse to vertical direction Direction on all prolong and project farther.

Each first rib 61 and each second rib 61 ' have a carrying in its end region away from respective transversal rib Eyelet 63.Therefore, decelerator can simply be transported by the hook or rope that may be received at carrying eyelet.In transit The power of appearance can be transmitted in the end regions and therefore be transmitted in frame-like carrying section at carrying eyelet 63.Therefore Reducer shell only insignificantly modification and keep be not damaged by.

One of first rib 61 is connected in its end region with the first beam 60, especially carrier bar, and described first Beam is connected in its other end with the end regions of one of them the second rib 61 '.Another first rib 61 is same in its end regions Place is connected with another beam 60 ', especially carrier bar, and another beam is again in the end region of its other end and another second rib 61 ' Domain is connected.The two beams 60,60 ' are parallel to each other and are spaced arrangement of turning up the soil.

As described above, wall section abut in upper case part 1 so by rib 61,61 ', cross rib 62,62 ' and beam 60, In the 60 ' frame-like carrying sections constituted, therefore the upper case part of shelly can especially be shaped to casting with integrally formed Part.

Here, wall section, being especially that two side wall sections 3 and the wall section with concavo-convex ripple struction are molded over and closely Abut in frame-like carrying section and be integrally formed.

Beam 60,60 ' is main horizontally extending, i.e., in the horizontal direction than in any direction transverse to horizontal direction On all prolong and project farther.

Namely frame-like carrying section is realized by thickening wall thickness.

Thicker region is additionally set on upper case part 1, and the thicker region is designed as bearing receptacle, the axle Receptacle is held at least a portion in bearing outer ring week portion, especially half.These are shaped to adjoining each other and adding for arc Thick region is connected with cross rib 62,62 ', especially respectively in the end regions for connecting respective rib 61,61 ' and cross rib 62nd, 62 ' are connected.

The concavo-convex ripple struction of wall section increases surface and therefore reduces the heat transmission resistance of surrounding air.Especially Deep depressed part is configured to allow for the depressed part 5 that the operating area of screw connection structure is used herein.Here, not shown in the accompanying drawings Screw element be the connecting bolt for being threadedly coupled upper case part 1 with lower case part 2.

Lower case part 2 has ripple struction 6, especially concavo-convex wall section, and it equally increases surface and therefore subtracted It is small from decelerator inner space especially lubricating oil to the heat transmission resistance of surrounding air.

Case lid is provided for closing the opening of upper case part 1, and the opening is surrounded by frame-like carrying section, especially Surround spaced at a distance.It means that the carrying section of frame-like is not directly to contact the opening, but with opening It is separated by a distance.

As shown in Figure 10, gear 100 is connected in a relatively unrotatable manner with axle 101, and the axle 101 passes through bearing It is supported in housing.Here, the bearing is received in the bearing receptacle of housing, wherein, the Part I cloth of bearing receptacle Put in upper case part 1, and the Part II of bearing receptacle is arranged in lower case part 2.

Lower space region around gear 100 is surrounded by food tray, and the food tray has side wall 102 and bottom plate 103.Therefore The food tray can be made up of three workpiece.

Here, the side wall 102 of food tray is fixed on bottom plate 103.Bottom plate 103 has downwardly directed in its most deep region Valgus 130.The valgus 130 point to being radially away from gear and its be located at radial outside end region It is designed as unlimited.Therefore, the lubricating oil of decelerator passes through the arrival gear 100 of valgus 130 from the oil sump of decelerator.Valgus In side, closed, radially one led directly to so as to be formed by the corresponding connection sheet section 120 of side wall 102 in axial both sides To the passage of gear 100.

As shown in figure 12, the punching of the difference of side wall 102 is plate and axially outside has mark, and shown mark is represented Need to open up the engagement data of the position of perforation, this gearratio for particularly depending on decelerator and/or gear 100.

It can realize that the screw element of threaded connection is guided through perforation between bottom plate 103 and each side wall 102.

It therefore, it can according to size or other engagement data by backplane in the radial direction optimal from gear axis Apart from upper.

Bottom plate 103, which is equally fabricated to, rushes comer pieces and with U-shaped cross-section.Arc is so designed as in this bottom plate so that Between the top of the tooth being in bottom plate 103 in same circumference angle of engaging piece, the especially engaging piece of gear 100 and bottom plate Spacing is constant.Narrow slit is provided with namely between these tooth tops and bottom plate 103.

Therefore, pump action is produced when gear 100 is rotated, because the lubricating oil in slot is than in passage The speed of lubricant movement is faster.Lubricating oil is set to be delivered to gear 100 and by this from oil sump by the passage in this way Gear drives motion.

Food tray also reduces the splash loss when gear 100 is moved.Because the tooth of the engaging piece of gear 100 is immersed in Carried out in the area of space surrounded by food tray.

In addition to connection sheet section 120 and valgus 130, the bent bottom plate 103 of U-bend is circumferentially bent with justifying (arc) shape, Therefore the spacing between the bottom plate 103 in the range of the tooth and corresponding angle of circumference of the engaging piece of gear 100 is substantially constant.

Connection sheet section 120 is radially outwardly pointed to, therefore each side wall 102 can be compressed or be threaded in vertically On bottom plate 103, compress or be threaded on bottom plate 103 especially at its connection sheet section 120.

The pump action formed by gear 100 and food tray collective effect, oil pump is sent to higher than the oil level of oil sump Position on and by intermediate store or be directed directly to position to be lubricated at this, such as bearing or in engagement Engaging piece in state.Corresponding pipeline or pipeline are provided with for this.

Valgus 130 can come out manufacture by the bent outward from the prototype of bottom plate 103.Therefore, so bending a punching plate, make The regions that are bent by a substantial rectangular of region of two bow actions is spaced from each other.Hereafter by the region of bow action Mutually compress and be consequently formed circle (arc) the shape region of bottom plate 103.Here, the region encirclement one of the two bow actions is recessed Mouthful.The region of rectangular bend equally has a centrally arranged recess and therefore forms valgus 130.

As shown in FIG. 17 and 18, design to the arching of roof 171, wherein, have and transversely differently arching along longitudinal direction Trend.Here, so designing slope so that (it is for example from the splash of gear 100 of decelerator to top for the oil droplet of upward splash On) preferably transversely flowed away along roof 171.Below roof 171, the longitudinally arranged end region especially in roof 171 Below domain, a groove is designed with, its trench wall 170 is extended longitudinally, i.e., along longitudinally ratio is transversely or other are transversely to the machine direction Direction all prolong and project farther.Equally, another ditch has been disposed below in the end regions that are longitudinally arranged of being in reverse to of roof 171 Groove.

Therefore, the oil in upward splash to roof 171 either along longitudinal direction or is in reverse to longitudinally towards the corresponding of roof 171 End regions flow away and dripped downward into respective groove.Oil is directed to bearing to be lubricated at this or to be lubricated nibbled Close at part.

Therefore and housing upper groove integratedly, is i.e. molded on upper case part 1 and by the moulding of steel-casting Part 1 is integrally formed.

The peak of the oily roof 171 from spill along longitudinal direction transversely than quickly flowing, because transversely Curvature and slope it is bigger.

Roof is along longitudinal direction than extending transversely farther.

Therefore, the oily flow direction 172 on roof 171 outwards, i.e. along longitudinal direction and be in reverse to longitudinally point to and thus Oil droplet is delivered to groove.

Therefore, other than through by gear together with food tray it is caused conveying effect by oil be delivered to higher position, Especially it is transported in groove, and the oil of splash everywhere is transported in groove.Thus enough oil is used to lubricate.

Claims

1. a kind of decelerator with housing, the housing includes upper case part and lower case part,

Wherein, upper case part is shaped to half shell shape,

Wherein, upper case part has the groove being molded on the upper case part on the inside of it,

Wherein, the upper case part has the roof for defining decelerator inner chamber at least in part, roof edge longitudinal direction and horizontal stroke Encircle into recessed so that be sputtered onto the oil droplet of roof transversely or be in reverse to laterally along the roof instillation groove It is interior,

Wherein, the slope of the amount of taper of roof, i.e. roof relatively horizontal orientation is with increasing between roof peak Spacing along longitudinal direction transversely than increasing faster.

2. decelerator according to claim 1, it is characterised in that roof peak is the point that roof gradient is zero.

3. decelerator according to claim 1, it is characterised in that

Groove integratedly, is i.e. molded single-piece with upper case part.

4. decelerator according to any one of claim 1 to 3, it is characterised in that the driven shaft that is transversely parallel to Axial line, wherein, it is described longitudinally perpendicular and/or transverse to the transverse direction.

5. decelerator according to claim 4, it is characterised in that it is described be parallel to by jackshaft axial line and from The plane that the axial line of moving axis is limited.

6. decelerator according to any one of claim 1 to 3, it is characterised in that the roof is formed corresponding to vault Type.

7. decelerator according to any one of claim 1 to 3, it is characterised in that convey lubricating oil from the groove To part to be lubricated.

8. decelerator according to claim 7, it is characterised in that the part to be lubricated is bearing and/or engaging piece Part.

9. decelerator according to any one of claim 1 to 3, it is characterised in that food tray surrounds the circumferential section of gear, With Oil Guide and reduction splash loss,

Wherein, food tray is at least made up of three parts, i.e., be at least made up of a bottom plate and two side walls, wherein, the bottom plate It is connected with two sidewall threads,

Wherein, food tray is fixed on housing,

Wherein, food tray has recess on its most deep surface region, i.e. in the surface region with maximum radial distance,

Wherein, in pinion rotation, oil is conveyed from the oil sump of decelerator through the recess food tray and gear,

Wherein, the bottom plate and side wall are to rush comer pieces.

10. decelerator according to claim 9, it is characterised in that food tray surrounds the circumference of gear on radial and axial Section.

11. decelerator according to claim 9, it is characterised in that the recess is passage.

12. decelerator according to claim 9, it is characterised in that in pinion rotation, oil is passed through from the oil sump of decelerator The recess is transported between food tray and gear on the position higher than the liquid level of oil sump.

13. decelerator according to claim 12, it is characterised in that oil is transported in the groove.

14. decelerator according to claim 9, it is characterised in that between at the top of bottom plate and engaging piece radially between Away from being constant in the range of the angle of circumference covered by the food tray.

15. decelerator according to claim 9, it is characterised in that the bottom plate has the connection section radially extended Section, the side wall is threadedly coupled by screw connection structure with the connection sheet section.

16. decelerator according to claim 9, it is characterised in that side wall has mark, can be opened up in the mark The perforation passed through for the screw element for screw connection structure.

17. decelerator according to claim 9, it is characterised in that the recess is defined by the bottom plate and two side walls.

18. decelerator according to claim 9, it is characterised in that the bottom plate and each side wall are distinguished integratedly, i.e. singly Formed to part formula.

19. decelerator according to any one of claim 1 to 3, it is characterised in that the upper case part has framework The carrying section of shape, forms wall section in the carrying section of the frame-like, wherein, the carrying section of the frame-like with The wall section integratedly, is i.e. molded single-piece.

20. decelerator according to claim 19, it is characterised in that the carrying section of the frame-like and the wall section It is shaped to casting.

21. decelerator according to claim 20, it is characterised in that the casting is steel-casting.

22. decelerator according to claim 19, it is characterised in that the thickest degree of the wall section is less than supporting region The thickest degree of section.

23. decelerator according to claim 19, it is characterised in that the carrying of the frame-like of the upper case part (1) Section has the first cross rib (62) and the second cross rib (62 '), wherein, first, second cross rib is main along level side To extension, i.e., projected farther in the horizontal direction than all prolonging on any direction transverse to horizontal direction,

Wherein, the carrying section of the frame-like has two first ribs (61), wherein, the two first ribs (61) are spaced Open and be connected respectively with the first cross rib (62),

Wherein, the first rib (61) extends mainly in the vertical direction, i.e., in the vertical direction ratio any transverse to vertical side To direction on all prolong and project farther,

Wherein, the carrying section of the frame-like has two the second ribs (61 '), and described two second ribs (61 ') are spaced Open and be connected respectively with the second cross rib (62 '),

Wherein, second rib (61 ') extends mainly in the vertical direction, i.e., in the vertical direction ratio any transverse to vertical side To direction on all prolong and project farther.

24. decelerator according to claim 23, it is characterised in that two first ribs (61) are spaced at two Position is connected with the first cross rib (62) respectively.

25. decelerator according to claim 23, it is characterised in that two the second ribs (61 ') are spaced from each other at two Position be connected respectively with the second cross rib (62 ').

26. decelerator according to claim 23, it is characterised in that each first rib (61) and each second rib (61 ') There is a carrying eyelet (63) in its end region away from respective transversal rib.

27. decelerator according to claim 23, it is characterised in that one of first rib (61) is in its end region It is connected with the first beam (60), first beam is connected in the other end with the end regions of one of them the second rib (61 '),

Wherein, another first rib (61) is connected in its end region with another beam (60 '), and another beam is again in the other end It is connected with the end regions of another second rib (61 '),

Wherein, first beam (60) and another beam (60 ') are parallel to each other and are spaced arrangement of turning up the soil.

28. decelerator according to claim 27, it is characterised in that first beam (60) is carrier bar.

29. decelerator according to claim 27, it is characterised in that another beam (60 ') is carrier bar.

30. decelerator according to claim 19, it is characterised in that case lid closes opening for upper case part (1) Mouthful, the opening is surrounded by the carrying section of the frame-like.

31. decelerator according to claim 30, it is characterised in that the opening is between the carrying section of the frame-like Surround at a distance so that the carrying section of the frame-like is not directly contacted with the opening, but with the opening phase Mutually it is spaced apart.

32. decelerator according to claim 23 a, it is characterised in that axle of decelerator is supported on housing by bearing It is interior, wherein, the Part I of bearing receptacle is arranged in upper case part, and the Part II of bearing receptacle is arranged in shell In body lower component, wherein, the Part I of the bearing receptacle is designed as thickening section, and the of the bearing receptacle A part is connected to the region for being also associated with corresponding first, second rib of first, second cross rib.