CN219176928U - Oil guide structure of speed reducer assembly and speed reducer assembly - Google Patents

Abstract

The utility model discloses an oil guiding structure of a speed reducer assembly and the speed reducer assembly, wherein the oil guiding structure comprises: the first oil collecting piece is provided with a first connecting part used for being connected with the first shell, and the first oil collecting piece is provided with a first oil collecting cavity with an open top; the second oil collecting piece is provided with a second connecting part used for being connected with the second shell, the second oil collecting piece is provided with a second oil collecting cavity with an open top, and the second oil collecting piece is detachably connected with the first oil collecting piece; the first oil collecting piece is provided with an oil hole communicated with the first oil collecting cavity, and/or the second oil collecting piece is provided with an oil hole communicated with the second oil collecting cavity, and the oil hole is communicated with a part to be lubricated. According to the oil guide structure of the speed reducer assembly, the first oil collecting piece fixed on the first shell and the second oil collecting piece fixed on the second shell are detachably connected, so that the oil guide structure is more convenient to install and detach, and is more firm and stable to fix.

Description

Oil guide structure of speed reducer assembly and speed reducer assembly

Technical Field

The utility model relates to the technical field of vehicles, in particular to an oil guide structure of a speed reducer assembly and the speed reducer assembly.

Background

Speed reducers are commonly used to convert electric motors, internal combustion engines, or other high speed operating power to lower speed, higher torque power, which acts to match rotational speed and transfer torque between a prime mover and a work machine or implement. The speed reducer is provided with a plurality of transmission gears, gear shaft bearings of the plurality of gears are required to be lubricated in time during operation of the speed reducer so as to ensure normal operation of the gear shaft, the bearings of the speed reducer are lubricated in a splash lubrication mode, oil is splashed through rotation of the gears, and the splash oil is utilized to lubricate the bearings. In the related art, the design and processing difficulty of the speed reducer are larger, and the condition of insufficient lubrication of the bearing is easy to occur, so that the lubrication effect of the bearing is poor.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model aims at providing the oil guide structure of the speed reducer assembly, which can enable the bearing to be lubricated more fully and has better lubricating effect.

The utility model further provides a speed reducer assembly with the oil guide structure.

According to the oil guiding structure of the speed reducer assembly of the first aspect of the utility model, the speed reducer assembly comprises a box body, the box body comprises a first shell and a second shell which are connected, and a part to be lubricated is arranged in the box body, and the oil guiding structure is characterized by comprising: the first oil collecting piece is provided with a first connecting part used for being connected with the first shell, and is provided with a first oil collecting cavity with an open top; the second oil collecting piece is provided with a second connecting part used for being connected with the second shell, the second oil collecting piece is provided with a second oil collecting cavity with an open top, and the second oil collecting piece is detachably connected with the first oil collecting piece; the first oil collecting piece is provided with an oil hole communicated with the first oil collecting cavity, and/or the second oil collecting piece is provided with an oil hole communicated with the second oil collecting cavity, and the oil hole is communicated with the part to be lubricated.

According to the oil guide structure of the speed reducer assembly, the first oil collecting piece and the second oil collecting piece are arranged, the first oil collecting piece is fixedly connected with the first shell, the second oil collecting piece is fixedly connected with the second shell, and the first oil collecting piece is detachably connected with the second oil collecting piece, so that the oil guide structure is more convenient to install and detach and is more firm and stable to fix.

In addition, the oil guiding structure of the speed reducer assembly according to the first aspect of the present utility model may further have the following additional technical features:

in some embodiments of the present utility model, the second oil collecting piece is connected to the rear end of the first oil collecting piece, and the second oil collecting piece is in plug connection with the first oil collecting piece.

In one embodiment of the utility model, one of the first oil collecting piece and the second oil collecting piece is provided with a lug and the other is provided with a jack, and the lug is matched in the jack.

In some examples of the present utility model, the insertion hole is formed on the first oil collecting member and penetrates through a side wall of the first oil collecting chamber in a front-rear direction, the protrusion is formed on the second oil collecting member, a through hole penetrating through the protrusion in the front-rear direction and communicating with the second oil collecting chamber is formed on the protrusion, and the first oil collecting chamber and the second oil collecting chamber communicate through the through hole.

In some embodiments of the present utility model, the component to be lubricated includes a main shaft bearing and a differential shaft bearing disposed in the case, and the oil hole includes first and second through holes arranged at intervals, the first through hole being communicated to the main shaft bearing, and the second through hole being communicated to the differential shaft bearing.

In one embodiment of the present utility model, the oil guiding structure further includes: the first oil passage is connected with the periphery of the first perforation at one end and extends to the main shaft bearing at the other end, and the first perforation is communicated to the main shaft bearing through the first oil passage; and one end of the second oil passage is connected with the peripheral edge of the second perforation and the other end of the second oil passage extends to the differential shaft bearing, and the second perforation is communicated to the differential shaft bearing through the second oil passage.

In some examples of the utility model, the first and second oil collection pieces each have the first and second perforations formed therein.

In one embodiment of the present utility model, the number of the first oil passages is two, wherein one end of the first oil passage is communicated with the first oil collecting cavity through the first perforation on the first oil collecting piece, and the other end of the first oil passage is communicated with the second oil collecting cavity through the first perforation on the second oil collecting piece; the number of the second oil channels is two, one end of the second oil channel is communicated with the first oil collecting cavity through the second perforation on the first oil collecting piece, and the other end of the second oil channel is communicated with the second oil collecting cavity through the second perforation on the second oil collecting piece.

In one embodiment of the present utility model, the oil guiding structure further includes: the first oil guide pipe and the second oil guide pipe, the first oil guide pipe is limited on the inner side, and the second oil guide pipe is limited on the inner side.

In some examples of the present utility model, the second oil conduit is fixed to the case by a fixing member, the fixing member is formed with a clamping groove and a fixing hole which are arranged at intervals, the second oil conduit is penetrated and fixed in the clamping groove, and the fixing member is fixed to the case by a fastener penetrating through the fixing hole.

In some embodiments of the utility model, the first connection portion is formed as a first connection hole adapted for the fastener to pass through, and the second connection portion is formed as a second connection hole adapted for the fastener to pass through.

In one embodiment of the present utility model, a first bushing is disposed in the first connection hole, and a second bushing is disposed in the second connection hole.

In some embodiments of the present utility model, a first positioning post is formed on the first oil collecting piece, and the first positioning post is used for being matched with the first shell to position the first oil collecting piece; the second oil collecting piece is provided with a second positioning column, and the second positioning column is used for being matched with the second shell to position the second oil collecting piece.

In one embodiment of the present utility model, the first positioning column is a hollow annular column, a first notch is formed along the free end edge of the first positioning column, the number of the first notches is one, or the number of the first notches is a plurality of the first notches, and the plurality of the first notches are arranged at intervals along the circumferential direction of the first positioning column; the second positioning column is hollow annular column, a second notch is formed at the free end edge of the second positioning column, the number of the second notches is one, or the number of the second notches is a plurality of the second notches, and the second notches are arranged at intervals along the circumferential direction of the second positioning column.

According to a second aspect of the utility model, a speed reducer assembly comprises a box body, wherein the box body comprises a first shell and a second shell, the first shell and the second shell are arranged in front of and connected with each other, and a mounting cavity is defined by the first shell and the second shell in a matching way; the main shaft bearing, the differential shaft bearing and the auxiliary shaft bearing are arranged in the mounting cavity; according to the oil guide structure of the speed reducer assembly of the first aspect of the utility model, the oil guide structure is arranged in the mounting cavity.

According to the speed reducer assembly, through the arrangement of the oil guide structure of the speed reducer assembly of the first aspect, the first oil collecting piece and the second oil collecting piece are arranged, the first oil collecting piece is fixedly connected with the first shell, the second oil collecting piece is fixedly connected with the second shell, and the first oil collecting piece is detachably connected with the second oil collecting piece, so that the oil guide structure is more convenient to install and detach, and is more firm and stable to fix.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

FIG. 1 is a schematic illustration of a speed reducer assembly according to an embodiment of the utility model;

FIG. 2 is a schematic illustration of another angle of a speed reducer assembly according to an embodiment of the utility model;

FIG. 3 is a schematic illustration of an oil guiding structure according to an embodiment of the present utility model;

FIG. 4 is a schematic illustration of the first and second oil collection pieces shown in FIG. 3;

FIG. 5 is a schematic view of another angle of the first and second oil collection pieces shown in FIG. 3.

Reference numerals:

10. an oil guiding structure; 11. the first oil collecting piece; 111. a first oil collecting cavity; 112. a first connection hole; 113. a first positioning column; 114. a first bushing; 115. a jack; 12. the second oil collecting piece; 121. a second oil collecting cavity; 122. a second connection hole; 123. a second positioning column; 124. a second bushing; 125. a bump; 13. a first oil conduit; 14. a second oil guide pipe; 141. a fixing member; 101. a first perforation; 102. a second perforation;

20. a case; 21. a second housing; 30. a spindle bearing; 40. a differential shaft bearing; 50. a countershaft bearing; 60. a spindle gear; 70. a differential shaft gear; 80. a countershaft gear;

100. a speed reducer assembly.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

First, a description will be briefly given of a decelerator assembly 100 according to an embodiment of the second aspect of the present utility model with reference to fig. 1 to 5, the decelerator assembly 100 including an oil guide structure 10 of the decelerator assembly 100 according to an embodiment of the first aspect of the present utility model.

As shown in fig. 1 to 5, a decelerator assembly 100 according to an embodiment of the present utility model includes: the box 20, box 20 includes first casing and second casing 21 that link to each other, is equipped with the part of waiting to lubricate in the box 20.

An oil guiding structure 10 of a decelerator assembly 100 according to an embodiment of the first aspect of the present utility model is described below with reference to fig. 1 to 5.

As shown in fig. 1 to 5, an oil guiding structure 10 of a speed reducer assembly 100 according to an embodiment of the first aspect of the present utility model includes: a first oil collector 11 and a second oil collector 12. Specifically, the first oil collecting piece 11 is provided with a first connecting portion for connecting with the first housing, and the first oil collecting piece 11 has a first oil collecting chamber 111 whose top is open; the second oil collecting member 12 is provided with a second connecting portion for connection with the second housing 21, the second oil collecting member 12 has a second oil collecting chamber 121 whose top is opened, and the second oil collecting member 12 is detachably connected with the first oil collecting member 11.

Further, the first oil collecting member 11 is formed with an oil hole communicating with the first oil collecting chamber 111, and/or the second oil collecting member 12 is formed with an oil hole communicating with the second oil collecting chamber 121, the oil hole communicating with the member to be lubricated. That is, the first oil collecting chamber 111 of the first oil collecting member 11 communicates with the member to be lubricated through the oil hole, the second oil collecting chamber 121 of the second oil collecting member 12 does not communicate with the member to be lubricated, or the second oil collecting chamber 121 of the second oil collecting member 12 communicates with the member to be lubricated through the oil hole, the first oil collecting chamber 111 of the first oil collecting member 11 does not communicate with the member to be lubricated, or the first oil collecting chamber 111 of the first oil collecting member 11 communicates with the member to be lubricated through the oil hole, and the second oil collecting chamber 121 of the second oil collecting member 12 communicates with the member to be lubricated through the oil hole.

The oil guiding structure 10 of this embodiment connects and fixes the first oil collecting piece 11 and the second oil collecting piece 12 with the first casing and the second casing 21 respectively, and the first oil collecting piece 11 and the second oil collecting piece 12 are detachably connected, and the first oil collecting piece 11 and the second oil collecting piece 12 are supported and fixed by the first casing and the second casing 21 together after the assembly of the speed reducer assembly 100, which makes the installation of the oil guiding structure 10 more convenient, and the fixation is more firm and stable.

When the speed reducer assembly 100 performs splash lubrication, splash oil is gathered in the first oil collecting cavity 111 of the first oil collecting piece 11 and the second oil collecting cavity 121 of the second oil collecting piece 12 and flows to the parts to be lubricated along the oil holes respectively, so that the parts to be lubricated are lubricated. The first oil collecting piece 11 is fixedly connected with the first shell, the second oil collecting piece 12 is fixedly connected with the second shell 21, the first oil collecting piece 11 is detachably connected with the second oil collecting piece 12, so that the oil guiding structure 10 can extend from the first shell of the box 20 to the second shell 21 of the box 20, the oil collecting range of the oil guiding structure 10 is wide, the oil collecting area is large, the oil collecting amount of the oil guiding structure 10 is large, the oil collecting effect is good, the oil guiding structure 10 can better convey enough lubricating oil to the parts to be lubricated, the lubrication of the parts to be lubricated is more sufficient, and the lubrication effect is better.

Meanwhile, when the parts to be lubricated are lubricated, oil flows from the inside of the oil guide structure 10 to the parts to be lubricated through the oil holes, so that the parts to be lubricated can be lubricated, the oil guide structure 10 is simple in structure and low in cost, and an additional oil guide structure is not required to be designed on the box body 20, so that the design and processing difficulty of the speed reducer box body 20 are greatly reduced, and the space utilization rate in the box body 20 is improved while the cost is saved.

According to the oil guide structure 10 of the speed reducer assembly 100 of the embodiment of the utility model, the first oil collecting piece 11 and the second oil collecting piece 12 are arranged, the first oil collecting piece 11 is fixedly connected with the first shell, the second oil collecting piece 12 is fixedly connected with the second shell 21, and the first oil collecting piece 11 is detachably connected with the second oil collecting piece 12, so that the oil guide structure 10 is more convenient to install and detach and is more firmly and stably fixed.

In some embodiments of the present utility model, as shown in fig. 3, the second oil collector 12 may be connected to the rear end of the first oil collector 11 (backward in the front-rear direction as shown in fig. 1), and the second oil collector 12 is plug-connected to the first oil collector 11. Therefore, when the oil guide structure 10 is assembled, the first oil collecting piece 11 and the first shell can be connected and fixed through the first connecting part, the second oil collecting piece 12 and the second shell 21 are connected and fixed through the second connecting part, and when the first shell and the second shell 21 are assembled, the first oil collecting piece 11 and the second oil collecting piece 12 can be connected in a plugging manner naturally, so that the connection is simple and reliable, and the installation is convenient and quick.

In one embodiment of the present utility model, as shown in fig. 4, one of the first oil collecting member 11 and the second oil collecting member 12 may be provided with a protrusion 125 and the other one is provided with a receptacle 115, and the protrusion 125 is fitted into the receptacle 115. In this way, the plug connection of the first oil collecting piece 11 and the second oil collecting piece 12 is more stable and firm, so that the stability of the whole structure of the oil guide structure 10 is improved. For example, the first oil collecting member 11 may be provided with the protrusion 125, the second oil collecting member 12 may be provided with the insertion hole 115, the first oil collecting member 11 may be provided with the insertion hole 115, and the second oil collecting member 12 may be provided with the protrusion 125.

In some examples of the present utility model, referring to fig. 3, the insertion hole 115 is formed on the first oil collecting member 11 and penetrates through a sidewall of the first oil collecting chamber 111 in the front-rear direction, the protrusion 125 is formed on the second oil collecting member 12, the protrusion 125 is formed with a through hole penetrating through the protrusion 125 in the front-rear direction and communicating with the second oil collecting chamber 121, and the first oil collecting chamber 111 and the second oil collecting chamber 121 communicate through the through hole. Therefore, the first oil collecting cavity 111 and the second oil collecting cavity 121 are communicated through the through holes, so that oil liquid falling into the first oil collecting cavity 111 and the second oil collecting cavity 121 can circulate mutually, when uneven accumulation of the oil liquid occurs, the oil liquid can gradually reach a relatively balanced accumulation condition through the through holes, and therefore the oil collecting effect of the oil guiding structure 10 is better and more stable, and meanwhile the oil guiding effect of the oil guiding structure 10 is improved to a certain extent.

In some embodiments of the present utility model, as shown in fig. 1 and 3, the parts to be lubricated may include a main shaft bearing 30 and a differential shaft bearing 40 provided in the case 20, and the oil hole includes first and second penetrating holes 101 and 102 arranged at intervals, the first penetrating hole 101 being communicated to the main shaft bearing 30, and the second penetrating hole 102 being communicated to the differential shaft bearing 40. Therefore, accumulated oil can flow to the main shaft bearing 30 through the first perforation 101 to lubricate the main shaft bearing 30, and oil can flow to the differential shaft bearing 40 through the second perforation 102 to lubricate the differential shaft bearing 40, so that the structure is simple, and the oil guiding effect is good.

In one embodiment of the present utility model, as shown in fig. 3, the oil guiding structure 10 may further include: the first oil passage and the second oil passage, one end of the first oil passage is connected with the peripheral edge of the first perforation 101, the other end of the first oil passage extends to the main shaft bearing 30, and the first perforation 101 is communicated to the main shaft bearing 30 through the first oil passage; one end of the second oil passage is connected to the peripheral edge of the second through hole 102 and the other end extends to the differential shaft bearing 40, and the second through hole 102 communicates to the differential shaft bearing 40 through the second oil passage. Therefore, through arranging the first oil passage and the second oil passage to guide the oil in the oil guiding structure 10, the oil enters the first oil passage from the first perforation 101 and flows to the main shaft bearing 30 along the first oil passage to lubricate the main shaft bearing 30, and the oil enters the second oil passage from the second perforation 102 and flows to the differential shaft bearing 40 along the second oil passage to lubricate the differential shaft bearing 40, so that the oil guiding effect of the oil is further improved, the oil guiding efficiency of the oil guiding structure 10 is higher, and the first oil passage and the second oil passage respectively extend to the main shaft bearing 30 and the differential shaft bearing 40, so that the oil can lubricate the main shaft bearing 30 and the differential shaft bearing 40 stably, and the lubrication effect of the main shaft bearing 30 and the differential shaft bearing 40 is more sufficient and stable.

In some examples of the present utility model, as shown in fig. 3, the first and second oil collecting pieces 11 and 12 may each be formed with first and second perforations 101 and 102. Thereby, the oil accumulated in the first oil collecting member 11 can lubricate the main shaft bearing 30 and the differential shaft bearing 40, and the oil accumulated in the second oil collecting member 12 can lubricate the main shaft bearing 30 and the differential shaft bearing 40, so that the lubrication of the parts to be lubricated by the oil is more stable, and the lubrication effect is better.

Further, the first perforation 101 on the first oil collector 11 is formed on the right side of the first oil collector 11 (right direction in the left-right direction as shown in fig. 1) and the second perforation 102 is formed on the left side of the first oil collector, the first perforation 101 on the second oil collector 12 is formed on the right side of the second oil collector 12 and the second perforation 102 is formed on the left side of the second oil collector 12. Thus, the oil guiding distance can be shortened, so that oil can flow from the first oil collecting part 11 and the second oil collecting part 12 to the differential shaft bearing 40 and the main shaft bearing 30 for lubrication, and the oil guiding lubrication effect is further improved.

In one embodiment of the present utility model, as shown in fig. 3, the number of the first oil channels may be two, wherein one end of the first oil channel is communicated with the first oil collecting cavity 111 through the first perforation 101 on the first oil collecting piece 11, and one end of the other first oil channel is communicated with the second oil collecting cavity 121 through the first perforation 101 on the second oil collecting piece 12; the number of the second oil channels is two, one end of one second oil channel is communicated with the first oil collecting cavity 111 through the second perforation 102 on the first oil collecting piece 11, and one end of the other second oil channel is communicated with the second oil collecting cavity 121 through the second perforation 102 on the second oil collecting piece 12. Therefore, the main shaft bearing 30 and the differential shaft bearing 40 at the positions of the first shell and the second shell 21 can be simultaneously lubricated by utilizing the oil in the first oil collecting part 11 and the second oil collecting part 12, and the oil guide device has the advantages of simple structure, comprehensive lubrication and good oil guide effect.

In one embodiment of the present utility model, as shown in fig. 3, the oil guiding structure 10 may further include: a first oil conduit 13 and a second oil conduit 14, the inner side of the first oil conduit 13 defining a first oil passage, and the inner side of the second oil conduit 14 defining a second oil passage. Therefore, the first oil duct and the second oil duct are limited by adopting the pipeline structure, the structure is simple, and the oil guiding is stable.

In some examples of the present utility model, as shown in fig. 3, the first oil guide pipe 13 and the second oil guide pipe 14 may be located at left and right sides (left and right directions as shown in fig. 3) of the first oil collecting member 11 and the second oil collecting member 12, respectively. This allows the first oil guide pipe 13 and the second oil guide pipe 14 to extend better from the oil guide structure 10 to the main shaft bearing 30 and the differential shaft bearing 40. Preferably, the height of the oil guiding structure 10 is higher than that of the main shaft bearing 30 and the differential shaft bearing 40, and oil can naturally flow from the oil guiding structure 10 to the main shaft bearing 30 and the differential shaft bearing 40 under the action of gravity.

In some examples of the present utility model, as shown in fig. 3, the second oil conduit 14 is fixed to the case 20 by a fixing member 141, and the fixing member 141 may be formed with a clamping groove and a fixing hole arranged at intervals, the second oil conduit 14 is penetrated and fixed in the clamping groove, and the fixing member 141 is fixed to the case 20 through the fixing hole by a fastener. In this way, the second oil guide pipe 14 can be conveniently installed and disassembled, and the fixing piece 141 can be conveniently replaced, and the second oil guide pipe 14 is fixed on the box body 20 through the fastening piece, so that the second oil guide pipe 14 is firmly fixed. Further, one end of the fixing member 141 is bent to form a tubular clamping groove wrapped on the wall of the second oil guide pipe 14, the other end of the fixing member 141 is rounded, and the fixing hole is arranged at the center of the round corner.

In some embodiments of the present utility model, as shown in fig. 4 and 5, the first connection part may be formed as a first connection hole 112 adapted to be penetrated by a fastener, and the second connection part may be formed as a second connection hole 122 adapted to be penetrated by a fastener. Therefore, the first oil collecting piece 11 is connected with the first shell through the fastener, the second oil collecting piece 12 is connected with the second shell 21 through the fastener, and the structure is simple and the fixation is reliable.

In one embodiment of the present utility model, as shown in fig. 4 and 5, a first bushing 114 may be disposed in the first connection hole 112, and a second bushing 124 may be disposed in the second connection hole 122. In this way, the structural strength and wear resistance of the first connecting hole 112 and the second connecting hole 122 can be improved, so that the connection and fixation of the first oil collecting member 11 and the second oil collecting member 12 with the tank body 20 are more stable and reliable.

In some embodiments of the present utility model, as shown in fig. 4 and 5, the first oil collecting member 11 may be formed thereon with a first positioning post 113, the first positioning post 113 being for cooperating with the first housing to position the first oil collecting member 11; the second oil collecting member 12 is formed with a second positioning column 123, and the second positioning column 123 is used for being matched with the second shell 21 to position the second oil collecting member 12. Therefore, the first oil collecting piece 11 and the second oil collecting piece 12 are respectively installed and positioned through the first positioning column 113 and the second positioning column 123, so that the installation and fixation of the oil guiding structure 10 are more convenient and quick, and the stability of the oil guiding structure 10 is better. Further, the first housing is correspondingly provided with a first positioning hole, the first positioning column 113 is in plug connection with the first positioning hole, the second housing 21 is correspondingly provided with a second positioning hole, and the second positioning column 123 is in plug connection with the second positioning hole.

In one embodiment of the present utility model, as shown in fig. 4, the first positioning post 113 may be formed in a hollow annular column shape, and the free end of the first positioning post 113 is formed with first notches along the circumference thereof, the number of the first notches being one, or the number of the first notches being plural, the plural first notches being arranged at intervals along the circumference of the first positioning post 113. Thus, the first positioning column 113 is conveniently inserted into the first positioning hole, so that the first oil collecting piece 11 is more convenient to install and fix. For example, one first notch can be provided, two, three or the like can be provided for the first notch, and the specific number of the first notches can be reasonably set according to actual needs.

In one embodiment of the present utility model, as shown in fig. 5, the second positioning post 123 is formed in a hollow annular column shape, and the free end edge of the second positioning post 123 is formed with second notches, the number of which is one, or the number of which is plural, the plural second notches being arranged at intervals along the circumferential direction of the second positioning post 123. Thus, the second positioning column 123 is conveniently inserted into the second positioning hole, so that the second oil collecting piece 12 is more convenient to install and fix. For example, one second notch can be provided, two, three or the like can be provided for the first notch, and the specific number of the second notches can be reasonably set according to actual needs.

A decelerator assembly 100 according to an embodiment of the second aspect of the present utility model is described below with reference to fig. 1 to 5.

As shown in fig. 1 to 5, the speed reducer assembly 100 according to the embodiment of the present utility model includes a case 20, a main shaft bearing 30, a differential shaft bearing 40, a sub shaft bearing 50, and an oil guiding structure 10 of the speed reducer assembly 100 according to the embodiment of the first aspect of the present utility model. Specifically, the case 20 includes a first case and a second case 21, the first case and the second case 21 being disposed in front of and connected to each other, the first case and the second case 21 cooperatively defining a mounting chamber; the main shaft bearing 30, the differential shaft bearing 40 and the auxiliary shaft bearing 50 are all arranged in the mounting cavity; the oil guiding structure 10 is arranged in the mounting cavity.

Further, the first housing is a front housing structure of the speed reducer housing 20, the second housing 21 is a rear housing structure of the speed reducer housing 20, a main shaft is fixed on the main shaft bearing 30, the main shaft gear 60 is sleeved on the main shaft, a differential shaft is fixed on the differential shaft bearing 40, the differential shaft gear 70 is sleeved on the differential shaft, a counter shaft is fixed on the counter shaft bearing 50, the counter shaft gear 80 is sleeved on the counter shaft, the counter shaft gear 80 is positioned at the lower side of the mounting cavity, and the heights of the main shaft gear 60 and the differential shaft gear 70 are higher than the counter shaft gear 80.

According to the speed reducer assembly 100 of the second aspect of the embodiment of the utility model, by arranging the oil guiding structure 10 of the first aspect of the embodiment of the utility model, the first oil collecting piece 11 and the second oil collecting piece 12 are arranged, the first oil collecting piece 11 is fixedly connected with the first shell, the second oil collecting piece 12 is fixedly connected with the second shell 21, and the first oil collecting piece 11 is detachably connected with the second oil collecting piece 12, so that the oil guiding structure 10 is more convenient to mount and dismount, and the fixation is firmer and more stable.

A decelerator assembly 100 according to an embodiment of the present utility model will be described with reference to fig. 1 to 5.

As shown in fig. 1 to 5, the speed reducer assembly 100 includes a case 20, a main shaft bearing 30, a differential shaft bearing 40, a sub shaft bearing 50, a main shaft gear 60, a differential shaft gear 70, a sub shaft gear 80, and an oil guiding structure 10. The box 20 comprises a first shell and a second shell 21, the first shell and the second shell 21 are arranged front and back and cooperate to define a mounting cavity, a main shaft is fixed on a main shaft bearing 30, a main shaft gear 60 is sleeved on the main shaft, a differential shaft is fixed on a differential shaft bearing 40, a differential shaft gear 70 is sleeved on the differential shaft, a counter shaft is fixed on the auxiliary shaft bearing 50, a counter shaft gear 80 is sleeved on the counter shaft, the counter shaft gear 80 is positioned at the lower side of the mounting cavity, the heights of the main shaft gear 60 and the differential shaft gear 70 are higher than those of the counter shaft gear 80, and the main shaft gear 60, the counter shaft gear 80 and the differential shaft gear 70 are in gear engagement transmission. Oil inlets are formed in the main shaft bearing 30, the auxiliary shaft bearing 50 and the differential shaft bearing 40.

The oil guiding structure 10 includes a first oil collecting member 11, a second oil collecting member 12, a first oil guiding pipe 13, and a second oil guiding pipe 14. One end of the first oil collecting piece 11 is provided with a first connecting part, a first connecting hole 112 and a first positioning column 113 are arranged on the first connecting part, a first bushing 114 is arranged on the first connecting hole 112, the other end of the first oil collecting piece 11 is provided with an inserting hole 115, the first oil collecting piece 11 is provided with a first oil collecting cavity 111 with an open upper part, and the left side and the right side of the bottom of the first oil collecting cavity 111 are respectively provided with a second perforation 102 and a first perforation 101. One end of the second oil collecting piece 12 is provided with a second connecting part, a second connecting hole 122 and a second positioning column 123 are arranged on the second connecting part, a second bushing 124 is arranged on the second connecting hole 122, the other end of the second oil collecting piece 12 is provided with a convex block 125, a through hole penetrating through the convex block 125 from front to back is formed in the convex block 125, the second oil collecting piece 12 is provided with a second oil collecting cavity 121 with an open upper part, and the left side and the right side of the bottom of the second oil collecting cavity 121 are respectively provided with a second perforation 102 and a first perforation 101. The first oil collecting piece 11 and the second oil collecting piece 12 are connected in a matched mode through the insertion holes 115 and the protruding blocks 125 to form an oil collecting structure of the oil guide structure 10, the first oil collecting piece 11 and the first shell are fixed through the first connecting holes 112 through fasteners and fixed through the first positioning columns 113 and the first shell in a positioning mode, and the second oil collecting piece 12 and the second shell 21 are fixed through the second connecting holes 122 through fasteners and fixed through the second positioning columns 123 and the second shell 21 in a positioning mode. The inner wall of the first oil guide pipe 13 defines a first oil passage, the inner wall of the second oil guide pipe 14 defines a second oil passage, and the second oil guide pipe 14 is fastened to the case 20 by a fixing member 141. The first oil guide pipe 13 is provided with two, one end of the first oil guide pipe 13 is communicated with the first perforation 101, the other end of the first oil guide pipe 13 is communicated to the oil inlet hole of the main shaft bearing 30, the second oil guide pipe 14 is provided with two, one end of the second oil guide pipe 14 is communicated with the second perforation 102, and the other end of the second oil guide pipe 14 is communicated to the oil inlet hole of the differential shaft bearing 40.

When the oil collecting and guiding device is assembled, the first oil collecting piece 11, the second oil collecting piece 12, the first oil guiding pipe 13 and the second oil guiding pipe 14 connected with the first oil collecting piece and the second oil collecting piece are respectively connected and fixed with the first shell and the second shell 21, and after the speed reducer assembly 100 is assembled, the first oil collecting piece 11 and the second oil collecting piece 12 are supported and fixed by the first shell and the second shell 21, so that the oil guiding structure 10 is more convenient to install and is fixed firmly and stably. The first oil collecting piece 11 is fixedly connected with the first shell, the second oil collecting piece 12 is fixedly connected with the second shell 21, the first oil collecting piece 11 is detachably connected with the second oil collecting piece 12, so that the oil guiding structure 10 can extend from the first shell of the box body 20 to the second shell 21 of the box body 20, the oil collecting range of the oil guiding structure 10 is wide, the oil collecting area is large, the oil collecting amount of the oil guiding structure 10 is large, the oil collecting effect is good, the oil guiding structure 10 can better convey enough lubricating oil to the main shaft bearing 30 and the differential shaft bearing 40, the main shaft bearing 30 and the differential shaft bearing 40 are more fully lubricated, and the lubricating effect is better.

When the main shaft bearing 30 and the differential shaft bearing 40 are lubricated, oil flows to the main shaft bearing 30 and the differential shaft bearing 40 respectively in a directional manner from the first oil collecting cavity 111 and the second oil collecting cavity 121 of the oil guiding structure 10 through the first perforation 101 and the second perforation 102 along the first oil guiding pipe 13 and the second oil guiding pipe 14, so that the main shaft bearing 30 and the differential shaft bearing 40 can be lubricated, the oil guiding structure 10 is simple in structure and low in cost, and an additional oil guiding structure is not required to be designed on the box body 20, so that the design and processing difficulty of the speed reducer box body 20 are greatly reduced, the cost is saved, and the space utilization rate in the box body 20 is improved.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (15)

1. The utility model provides an oil guide structure of reduction gear assembly, the reduction gear assembly includes the box, the box includes first casing and the second casing that links to each other, be equipped with in the box and wait to lubricate the part, its characterized in that, oil guide structure includes:

the first oil collecting piece is provided with a first connecting part used for being connected with the first shell, and is provided with a first oil collecting cavity with an open top;

the second oil collecting piece is provided with a second connecting part used for being connected with the second shell, the second oil collecting piece is provided with a second oil collecting cavity with an open top, and the second oil collecting piece is detachably connected with the first oil collecting piece;

the first oil collecting piece is provided with an oil hole communicated with the first oil collecting cavity, and/or the second oil collecting piece is provided with an oil hole communicated with the second oil collecting cavity, and the oil hole is communicated with the part to be lubricated.

2. The oil guiding structure of a speed reducer assembly according to claim 1, wherein the second oil collecting piece is connected to the rear end of the first oil collecting piece, and the second oil collecting piece is connected to the first oil collecting piece in a plugging manner.

3. The oil guiding structure of a speed reducer assembly according to claim 2, wherein one of the first oil collecting piece and the second oil collecting piece is provided with a protruding block and the other is provided with a inserting hole, and the protruding block is matched in the inserting hole.

4. The oil guiding structure of the speed reducer assembly according to claim 3, wherein the insertion hole is formed in the first oil collecting member and penetrates through a side wall of the first oil collecting cavity in the front-rear direction, the protruding block is formed in the second oil collecting member, a through hole penetrating through the protruding block in the front-rear direction and communicating with the second oil collecting cavity is formed in the protruding block, and the first oil collecting cavity and the second oil collecting cavity are communicated through the through hole.

5. The oil guide structure of any one of claims 1 to 4, wherein the member to be lubricated includes a main shaft bearing and a differential shaft bearing provided in the case, and the oil hole includes first and second penetrating holes arranged at intervals, the first penetrating hole being communicated to the main shaft bearing, and the second penetrating hole being communicated to the differential shaft bearing.

6. The oil guiding structure of a speed reducer assembly of claim 5, further comprising:

the first oil passage is connected with one end of the first oil passage and the other end of the first oil passage extends to the main shaft bearing, and the first oil passage is communicated with the main shaft bearing through the first oil passage;

and one end of the second oil passage is connected with the second perforation and the other end of the second oil passage extends to the differential shaft bearing, and the second perforation is communicated to the differential shaft bearing through the second oil passage.

7. The oil guiding structure of a speed reducer assembly of claim 6, wherein the first and second oil collecting pieces are each formed with the first and second perforations.

8. The oil guiding structure of a speed reducer assembly according to claim 7, wherein the number of the first oil passages is two, wherein one end of the first oil passage is communicated with the first oil collecting cavity through the first perforation on the first oil collecting piece, and the other end of the first oil passage is communicated with the second oil collecting cavity through the first perforation on the second oil collecting piece;

the number of the second oil channels is two, one end of the second oil channel is communicated with the first oil collecting cavity through the second perforation on the first oil collecting piece, and the other end of the second oil channel is communicated with the second oil collecting cavity through the second perforation on the second oil collecting piece.

9. The oil guiding structure of a speed reducer assembly of claim 6, further comprising: the first oil guide pipe and the second oil guide pipe, the first oil guide pipe is limited on the inner side, and the second oil guide pipe is limited on the inner side.

10. The oil guiding structure of the speed reducer assembly according to claim 9, wherein the second oil guiding pipe is fixed on the box body through a fixing piece, clamping grooves and fixing holes which are arranged at intervals are formed in the fixing piece, the second oil guiding pipe penetrates through and is fixed in the clamping grooves, and the fixing piece penetrates through the fixing holes through a fastener to be fixed on the box body.

11. The oil guide structure of a speed reducer assembly according to any one of claims 1 to 4, wherein the first connecting portion is formed as a first connecting hole adapted to be penetrated by a fastener, and the second connecting portion is formed as a second connecting hole adapted to be penetrated by a fastener.

12. The oil guiding structure of a decelerator assembly according to claim 11, wherein a first bushing is provided in the first connecting hole, and a second bushing is provided in the second connecting hole.

13. The oil guiding structure of any one of claims 1-4, wherein a first positioning post is formed on the first oil collecting member, and the first positioning post is used for being matched with the first shell to position the first oil collecting member;

the second oil collecting piece is provided with a second positioning column, and the second positioning column is used for being matched with the second shell to position the second oil collecting piece.

14. The oil guiding structure of a speed reducer assembly according to claim 13, wherein the first positioning column is hollow and annular, a first notch is formed along a free end edge of the first positioning column, the number of the first notches is one, or the number of the first notches is a plurality of the first notches, and the plurality of the first notches are arranged at intervals along a circumferential direction of the first positioning column;

the second positioning column is hollow annular column, a second notch is formed at the free end edge of the second positioning column, the number of the second notches is one, or the number of the second notches is a plurality of the second notches, and the second notches are arranged at intervals along the circumferential direction of the second positioning column.

15. A speed reducer assembly, comprising:

the box body comprises a first shell and a second shell, the first shell and the second shell are arranged front and back and are connected, and the first shell and the second shell are matched to define an installation cavity;

the main shaft bearing, the differential shaft bearing and the auxiliary shaft bearing are arranged in the mounting cavity;

an oil guiding structure, wherein the oil guiding structure is an oil guiding structure of the speed reducer assembly according to any one of claims 1-14, and the oil guiding structure is arranged in the mounting cavity.

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