CN211951334U

CN211951334U - Final transmission assembly

Info

Publication number: CN211951334U
Application number: CN202022082689.0U
Authority: CN
Inventors: 曹栋斌; 王晓东
Original assignee: Shandong Shilihe Precision Machinery Co ltd
Current assignee: Shandong Shilihe Precision Machinery Co ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2020-11-17
Anticipated expiration: 2030-09-22

Abstract

The utility model discloses a final drive assembly, which comprises a housing, inside one side of casing is run through and is provided with the initiative axostylus axostyle, the initiative axostylus axostyle is provided with first spline at the inside pole body side surface of casing, and first spline sets up to the undergauge formula, first bearing, second bearing and driving gear have been put to the cover on the first spline, the one end of initiative axostylus axostyle corresponds to rotate through the third bearing and sets up on the casing inner wall, the inside opposite side of casing runs through and is provided with driven axostylus axostyle, driven axostylus axostyle is put through undergauge formula second spline and is connected with the fifth bearing, driven axostylus ax. The utility model discloses in, all be equipped with undergauge formula spline structure on initiative axostylus axostyle and the transmission axostylus axostyle, the spline realizes the fixed of bearing with the cooperation of casing inner wall, realizes corresponding rotation simultaneously, avoids axostylus axostyle horizontal direction drift, guarantees that the transfer line transmission operation is steady, the phenomenon that the axostylus axostyle rocked can not appear.

Description

Final transmission assembly

Technical Field

The utility model relates to a harvester final drive field especially relates to a final drive assembly.

Background

The final drive assembly of harvester mainly comprises final transmission case casing, initiative axostylus axostyle, driving gear, driven gear and driven axostylus axostyle, and the driving gear passes through the spline to be installed on the initiative axostylus axostyle, and driven gear passes through the spline to be installed on the driven axostylus axostyle, and the driving gear meshes with driven gear, and the drive harvester that increases torsion with power further slows down travels to satisfy the operation requirement that the harvester removed.

The final drive assembly structure is the same as little different, and the effect that it reached is also different, but final drive assembly when operation, can appear the phenomenon that initiative axostylus axostyle or driven axostylus axostyle drift, and the position of initiative axostylus axostyle and driven axostylus axostyle is unstable in the transmission process that also can not provide high stable high-speed operation, and general spline can provide the connection, but can take place relative lateral shifting and produce above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a final transmission assembly.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a final drive assembly, includes the casing, the inside one side of casing runs through and is provided with the initiative axostylus axostyle, the pole body side surface of initiative axostylus axostyle in the casing inside is provided with first spline, and first spline sets up to the undergauge formula, first bearing, second bearing and driving gear have been put to the cover on the first spline, the one end of initiative axostylus axostyle corresponds to rotate through the third bearing and sets up on the casing inner wall, the inside opposite side of casing runs through and is provided with the driven axostylus axostyle, the driven axostylus axostyle is connected with the fifth bearing through undergauge formula second spline cover, the driven axostylus axostyle is.

As a further description of the above technical solution:

one side of the first spline connected with the first bearing and the second bearing is set to be of a reducing type, one end, deviating from the third bearing, of the outer diameter of the first spline along the driving shaft rod is set to be of the reducing type, and clamping grooves corresponding to the first spline in shape are formed in the surfaces of inner rings of the first bearing and the second bearing.

As a further description of the above technical solution:

one side of the first spline connecting driving gear is provided with a horizontal spline, the inner surface of the driving gear is provided with a clamping groove corresponding to the shape of the first spline, and the driving gear is correspondingly and fixedly connected to the first spline.

As a further description of the above technical solution:

one end of the driving shaft lever is fixedly connected with an end head, and the end head is correspondingly inserted and fixedly connected to the surface of the inner ring of the third bearing.

As a further description of the above technical solution:

the outer diameter of the second spline is reduced along one end, deviating from the plug-in machine shell, of the driven shaft rod, and the fifth bearing is correspondingly clamped and limited on the outer surface of the second spline.

As a further description of the above technical solution:

the driven shaft lever runs through to the inside one end correspondence of casing and is connected with the fourth bearing, the connected mode setting of driven shaft lever and fourth bearing is the same with the connected mode of initiative shaft lever and third bearing.

As a further description of the above technical solution:

the driving shaft lever and the driven shaft lever are correspondingly arranged in parallel at the upper side and the lower side in the shell.

The utility model discloses following beneficial effect has:

1. the utility model discloses in the final drive assembly, all be provided with undergauge formula spline structure on initiative axostylus axostyle and the transmission axostylus axostyle, the spline realizes the fixed of bearing with the cooperation of casing inner wall, when realizing corresponding pivoted, can avoid axostylus axostyle horizontal direction drift, guarantees that transfer line transmission operation is steady, the phenomenon that the axostylus axostyle rocked can not appear.

2. The utility model discloses in the final drive assembly, initiative axostylus axostyle and transmission shaft pole all are provided with bearing structure at the inside both ends of casing, when reducing axostylus axostyle rotation friction, guarantee axostylus axostyle structure level, the driven normal clear of being convenient for.

Drawings

FIG. 1 is a schematic view of a drive connection of a final drive assembly;

FIG. 2 is a front cross-sectional view of a final drive assembly;

FIG. 3 is a schematic view of a spline configuration of a final drive assembly.

Illustration of the drawings:

1. an active shaft lever; 2. a first spline; 3. a first bearing; 4. a second bearing; 5. a third bearing; 6. a driving gear; 7. a driven gear; 8. a second spline; 9. a fourth bearing; 10. a fifth bearing; 11. a driven shaft lever; 12. a tip; 13. a casing.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a final drive assembly comprises a machine shell 13, a drive assembly shell is provided, a drive shaft lever 1 penetrates through one side inside the machine shell 13 and provides a power input shaft lever structure, a first spline 2 is arranged on one side surface of a shaft body of the drive shaft lever 1 inside the machine shell 13, the first spline 2 is in a reducing type and provides a premise for limiting the position of the drive shaft lever 1, a first bearing 3, a second bearing 4 and a drive gear 6 are sleeved on the first spline 2 and provide a part for reducing rotating friction force, stabilizing the shaft lever and providing drive connection, one end of the drive shaft lever 1 is rotatably arranged on the inner wall of the machine shell 13 through a third bearing 5 to realize the position fixation of the drive shaft lever 1, a driven shaft lever 11 penetrates through the other side inside the machine shell 13 and provides an output shaft lever structure, the driven shaft lever 11 is sleeved and connected with a fifth bearing 10 through a reducing type second spline 8, for limiting 11 positions of the driven shaft lever to provide a premise, the driven shaft lever 11 is fixedly connected with a driven gear 7 at the middle position of the shaft body in the shell 13, and the driven gear 7 is correspondingly meshed with the driving gear 6 to realize corresponding transmission connection operation.

One side of the first spline 2, which is connected with the first bearing 3 and the second bearing 4, is set to be of a reducing type, a corresponding limiting structure is provided for limiting the driving shaft lever 1, the outer diameter of the first spline 2 is set to be of a reducing type along one end of the driving shaft lever 1, which deviates from the third bearing 5, the inner ring surfaces of the first bearing 3 and the second bearing 4 are provided with clamping grooves corresponding to the shape of the first spline 2, corresponding clamping is realized, the driving shaft lever 1 is also limited to move in one direction, one side of the first spline 2, which is connected with the driving gear 6, is set to be of a horizontal spline, the inner surface of the driving gear 6 is provided with clamping grooves corresponding to the shape of the first spline 2, the driving gear 6 is correspondingly and fixedly connected to the first spline 2, the provision of a transmission structure is realized, one end 12 is fixedly connected to one end of the driving shaft lever 1, the end 12 is correspondingly inserted and fixedly connected to the inner ring, the external diameter of second spline 8 sets up to the undergauge formula along the one end that 11 deviate from plug-in casing 13 of driven shaft lever, make preparation for 11 positions of restriction driven shaft lever, it is spacing at the surface of second spline 8 that the fifth bearing 10 corresponds the card, driven shaft lever 11 runs through to the inside one end correspondence of casing 13 and is connected with fourth bearing 9, driven shaft lever 11 and fourth bearing 9's connected mode setting is the same with the connected mode of initiative shaft lever 1 and third bearing 5, realize the spacing operation of unidirectional rotation, both sides correspond parallel arrangement about the inside of casing 13 of initiative shaft lever 1 and driven shaft lever 11, ensure that principal and subordinate's transmission is steady.

The working principle is as follows: when the final transmission assembly of the harvester is operated, the output mechanism provides a rotating acting force for the driving shaft lever 1, the driving shaft lever 1 is provided with a third bearing 5 at the rod end in the casing 13, a first bearing 3 and a second bearing 4 are arranged between the driving shaft lever 1 and the inner wall of the casing 13, the friction between the driving shaft lever 1 and the casing 13 is reduced, the power loss is reduced, the first spline 2 arranged on the driving shaft lever 1 limits the unidirectional movement of the first bearing 3 and the second bearing 4, the connection of the third bearing 5 limits the movement in the other direction, so as to ensure that the driving shaft lever 1 cannot drift, the driving shaft lever 1 transmits power to the driven shaft lever 11 through the meshing of the driving gear 6 and the driven gear 7, the driven shaft lever 11 is rotatably arranged at the lower side of the casing 13 through a fourth bearing 9 and a fifth bearing 10, the driven shaft lever 11 is provided with a second spline 8 connected with the fifth bearing 10, so as to limit the unidirectional, fourth bearing 9 has restricted the removal of 11 another directions of driven axostylus axostyle again to guarantee that driven axostylus axostyle 11 can not take place the drift, with this setting, can guarantee under the transmission operation that initiative axostylus axostyle 1 and driven axostylus axostyle 11 rotate stably, whole transmission is steady, long service life.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A final drive assembly comprising a housing (13), characterized in that: a driving shaft lever (1) penetrates through one side of the interior of the shell (13), a first spline (2) is arranged on the surface of the driving shaft lever (1) on one side of a shaft body in the shell (13), the first spline (2) is of a reducing type, a first bearing (3), a second bearing (4) and a driving gear (6) are sleeved on the first spline (2), one end of the driving shaft lever (1) is correspondingly and rotatably arranged on the inner wall of the shell (13) through a third bearing (5), the other side of the interior of the shell (13) is provided with a driven shaft lever (11) in a penetrating way, the driven shaft lever (11) is sleeved and connected with a fifth bearing (10) through a reducing second spline (8), the driven shaft lever (11) is fixedly connected with a driven gear (7) in the middle of a lever body in the shell (13), and the driven gear (7) is correspondingly meshed with the driving gear (6).

2. A final drive assembly according to claim 1, wherein: one side of the first spline (2) connected with the first bearing (3) and the second bearing (4) is set to be of a reducing type, one end of the outer diameter of the first spline (2) departing from the driving shaft rod (1) and connected with the third bearing (5) is set to be of the reducing type, and clamping grooves corresponding to the shape of the first spline (2) are formed in the surfaces of inner rings of the first bearing (3) and the second bearing (4).

3. A final drive assembly according to claim 1, wherein: one side of the first spline (2) connected with the driving gear (6) is provided with a horizontal spline, the inner surface of the driving gear (6) is provided with a clamping groove corresponding to the shape of the first spline (2), and the driving gear (6) is correspondingly and fixedly connected to the first spline (2).

4. A final drive assembly according to claim 1, wherein: one end of the driving shaft lever (1) is fixedly connected with an end head (12), and the end head (12) is correspondingly inserted and fixedly connected to the surface of an inner ring of the third bearing (5).

5. A final drive assembly according to claim 1, wherein: the outer diameter of the second spline (8) is reduced along one end, deviating from the plug-in machine shell (13), of the driven shaft rod (11), and the fifth bearing (10) is correspondingly clamped and limited on the outer surface of the second spline (8).

6. A final drive assembly according to claim 1, wherein: the driven shaft lever (11) runs through to the inside one end correspondence of casing (13) and is connected with fourth bearing (9), the connected mode setting of driven shaft lever (11) and fourth bearing (9) is the same with the connected mode of initiative shaft lever (1) and third bearing (5).

7. A final drive assembly according to claim 1, wherein: the driving shaft lever (1) and the driven shaft lever (11) are correspondingly arranged in parallel at the upper side and the lower side in the shell (13).