CN210484519U

CN210484519U - Wheel reduction box of harvester drive axle

Info

Publication number: CN210484519U
Application number: CN201921217322.6U
Authority: CN
Inventors: 孔东波
Original assignee: Danyang Xinde Machinery Technology Co Ltd
Current assignee: Danyang Xinde Machinery Technology Co Ltd
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2020-05-08
Anticipated expiration: 2029-07-31

Abstract

The utility model discloses a harvester transaxle wheel limit reducing gear box, including case shell, spy oil cap and drive wheel one, the case shell upper end is provided with the case lid, case lid upper end one side is provided with the ventilative cap, ventilative cap one side is provided with spy oil cap, the shaping of case shell lower extreme has the connecting seat, the shaping has the oil gallery on the connecting seat inner wall, be provided with the input shaft in the case shell, be provided with on the input shaft drive wheel one, drive wheel one side is provided with drive wheel two, be provided with the transmission shaft in the drive wheel two. Has the advantages that: the utility model discloses a set up connecting seat and oil gallery, make the leakproofness of the seam crossing of case lid and case shell improve greatly, get rid of the lubricating oil accessible oil gallery backward flow to the case shell on the case lid by the gear in the reducing gear box simultaneously to prevent that lubricating oil from piling up, leaking, still can improve the utilization ratio of lubricating oil.

Description

Wheel reduction box of harvester drive axle

Technical Field

The utility model relates to a reducing gear box technical field, concretely relates to harvester transaxle wheel limit reducing gear box.

Background

The speed reducer box is an independent part consisting of gear transmission, worm transmission and gear-worm transmission enclosed in a rigid shell, is commonly used as a speed reduction transmission device between a prime mover and a working machine, plays a role in matching rotating speed and transmitting torque between the prime mover and the working machine or an executing mechanism, is generally used for low-rotating-speed and high-torque transmission equipment, and achieves the purpose of reducing speed by meshing a motor, an internal combustion engine or other high-speed running power with a large gear on an output shaft through a gear with less teeth on an input shaft of the speed reducer.

A transmission gear in a wheel-side reduction gearbox of an existing harvester drive axle is easy to throw lubricating oil to a box cover and accumulate when working, so that the lubricating oil is easy to leak, waste of the lubricating oil is caused, and normal work of the reduction gearbox is also influenced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the defects of the prior art, the reduction gearbox on the wheel side of the drive axle of the harvester is provided, and the problems that lubricating oil is easily thrown to a box cover and accumulated and is easily leaked when a transmission gear in the reduction gearbox on the wheel side of the drive axle of the harvester works are solved.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides a harvester transaxle wheel limit reducing gear box, including case shell, spy oil cap and drive wheel one, the case shell upper end is provided with the case lid, case lid upper end one side is provided with the ventilative cap, ventilative cap one side is provided with spy oil cap, the shaping of case shell lower extreme has the connecting seat, the shaping has the oil gallery on the connecting seat inner wall, be provided with the input shaft in the case shell, be provided with on the input shaft drive wheel one, drive wheel one side is provided with drive wheel two, be provided with the transmission shaft in the drive wheel two, drive wheel two one side is provided with drive wheel three, drive wheel three one side is provided with drive wheel four, be provided with the output shaft in the drive wheel four, the case shell bottom is provided with the oil drain bolt.

Further, the case lid with the case shell passes through bolted connection, ventilative cap with the case lid passes through threaded connection.

By adopting the technical scheme, the case lid can with the convenient split of case shell, so that the clearance and the maintenance that parts in the case shell can be convenient can be in the long-term work of reducing gear box, can with when inside temperature risees ventilative cap is opened to make the atmospheric pressure in the reducing gear box reduce, spill from the reducing gear box gap because of reducing gear box internal pressure is too big.

Furthermore, the oil detection cap is connected with the box cover through a bolt, and the connecting seat is connected with the box cover in an inserting mode.

By adopting the technical scheme, after the probe cap is opened, the amount of lubricating oil in the reduction gearbox can be detected through the oil detecting hole in the box cover, and when the box cover is arranged on the box shell, the connecting seat is inserted into the interior of the box shell, so that the sealing performance of the joint of the box cover and the box shell is better.

Furthermore, the input shaft is connected with the box shell through a bearing, the first driving wheel is in key connection with the input shaft, and the first driving wheel is meshed with the second driving wheel.

By adopting the technical scheme, the input shaft is connected with the engine, and the driving wheel can be driven to synchronously rotate when the input shaft rotates, so that the first driving wheel can drive the second driving wheel to rotate.

Furthermore, the transmission shaft is connected with the box shell through a bearing, and the transmission shaft is in key connection with the second driving wheel and the third driving wheel.

By adopting the technical scheme, the driving wheel III can be driven to rotate by the transmission shaft when the driving wheel II rotates.

Furthermore, the third driving wheel is meshed with the fourth driving wheel, the fourth driving wheel is in key connection with the output shaft, and the output shaft is connected with the box shell through a bearing.

By adopting the technical scheme, the driving wheel III can drive the driving wheel IV to rotate when rotating, so that the output shaft rotates, the rotating speed of the input shaft is greatly reduced relative to the rotating speed of the input shaft after the rotating speed of the input shaft is subjected to speed reduction transmission of the driving wheel I, the driving wheel II, the transmission shaft, the driving wheel III and the driving wheel IV, lubricating oil in the box shell can be thrown onto the box cover when the driving wheel I, the driving wheel II, the driving wheel III and the driving wheel IV rotate, the lubricating oil thrown onto the box cover can return to the box shell along the oil return groove, lubricating oil leakage is avoided, and the utilization rate of the lubricating oil is improved.

Further, the oil drain bolt is connected with the box shell through threads.

Through adopting above-mentioned technical scheme, will the oil drain bolt is opened the back, can with lubricating oil in the case shell is emitted, so that to the lubricating oil in the case shell is changed.

(III) advantageous effects

Compared with the prior art, the utility model, following beneficial effect has:

for solving the drive gear in the present harvester transaxle wheel limit reducing gear box get rid of lubricating oil easily at the during operation and fly to the case lid and accumulate, make the problem that lubricating oil leaked easily, the utility model discloses a set up connecting seat and oil gallery, make the leakproofness of the seam crossing of case lid and case shell improve greatly, get rid of the lubricating oil accessible oil gallery that flies to the case lid in the reducing gear box simultaneously and flow back to the case shell in to prevent that lubricating oil from piling up, leaking, still can improve the utilization ratio of lubricating oil.

Drawings

Fig. 1 is a schematic structural view of a wheel reduction box of a harvester drive axle according to the present invention;

fig. 2 is a schematic structural view of a box cover in a wheel reduction gearbox of a driving axle of the harvester according to the present invention;

FIG. 3 is a sectional view of the wheel reduction box of the harvester drive axle according to the present invention;

fig. 4 is a bottom view of the box cover in the wheel reduction gearbox of the harvester drive axle;

fig. 5 is a bottom view of the box shell in the wheel reduction gearbox of the harvester drive axle.

The reference numerals are explained below:

1. a cabinet housing; 2. a box cover; 3. a breathable cap; 4. an oil detection cap; 5. a connecting seat; 6. an oil return groove; 7. an input shaft; 8. a first transmission wheel; 9. a second driving wheel; 10. a drive shaft; 11. a third driving wheel; 12. a fourth driving wheel; 13. an output shaft; 14. oil drain bolt.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in figures 1-5, the wheel-side reduction gearbox of the driving axle of the harvester in the embodiment comprises a box shell 1, an oil detecting cap 4 and a first transmission wheel 8, wherein a box cover 2 is arranged at the upper end of the box shell 1, a ventilating cap 3 is arranged on one side of the upper end of the box cover 2, the oil detecting cap 4 is arranged on one side of the ventilating cap 3, a connecting seat 5 is formed at the lower end of the box shell 1, an oil return groove 6 is formed on the inner wall of the connecting seat 5, an input shaft 7 is arranged in the box shell 1, the first transmission wheel 8 is arranged on the input shaft 7, a second transmission wheel 9 is arranged on one side of the first transmission wheel 8, a transmission shaft 10 is arranged in the second transmission wheel 9, a third transmission wheel 11 is arranged on one side of the second transmission wheel 9, a fourth transmission wheel 12 is arranged on one side of the third transmission wheel 11, an output shaft 13 is arranged in, the case cover 2 can be conveniently detached from the case shell 1, so that components in the case shell 1 can be conveniently cleaned and maintained, when the reduction gearbox works for a long time, the ventilating cap 3 can be opened when the internal temperature rises, so that the air pressure in the reduction gearbox is reduced, the lubricating oil is prevented from leaking out from a gap of the reduction gearbox due to overlarge internal pressure of the reduction gearbox, the oil detecting cap 4 is connected with the case cover 2 through a bolt, the connecting seat 5 is inserted into the case shell 1, after the probe cap is opened, the amount of the lubricating oil in the reduction gearbox can be detected through the oil detecting hole in the case cover 2, when the case cover 2 is arranged on the case shell 1, the connecting seat 5 is inserted into the case shell 1, so that the sealing performance of the seam between the case cover 2 and the case shell 1 is better, the input shaft 7 is connected with the case shell 1 through a bearing, the first driving wheel 8 is in key connection with the input shaft 7, the first driving wheel, when the input shaft 7 rotates, the first transmission wheel 8 can be driven to synchronously rotate, so that the first transmission wheel 8 can drive the second transmission wheel 9 to rotate, the transmission shaft 10 is connected with the box shell 1 through a bearing, the transmission shaft 10 is in key connection with the second transmission wheel 9 and the third transmission wheel 11, when the second transmission wheel 9 rotates, the third transmission wheel 11 can be driven to rotate through the transmission shaft 10, the third transmission wheel 11 is meshed with the fourth transmission wheel 12, the fourth transmission wheel 12 is in key connection with the output shaft 13, the output shaft 13 is connected with the box shell 1 through a bearing, the third transmission wheel 11 can drive the fourth transmission wheel 12 to rotate when rotating, so that the output shaft 13 rotates, the rotating speed of the input shaft 7 is reduced greatly relative to the rotating speed of the input shaft 7 after the speed reduction transmission of the first transmission wheel 8, the second transmission wheel 9, the transmission shaft 10, the third transmission wheel 11 and the fourth transmission wheel 12, after the oil drain bolt 14 is opened, the lubricating oil in the case shell 1 can be drained so as to replace the lubricating oil in the case shell 1.

As shown in fig. 2-4, in the present embodiment, when the first transmission wheel 8, the second transmission wheel 9, the third transmission wheel 11 and the fourth transmission wheel 12 rotate, the lubricant in the housing 1 is thrown off to the lid 2, and the lubricant thrown off to the lid 2 can return to the housing 1 along the oil return groove 6, so as to avoid leakage of the lubricant and improve the utilization rate of the lubricant.

The specific implementation process of this embodiment is as follows: the input shaft 7 is connected with an engine, the input shaft 7 can drive the first driving wheel 8 to synchronously rotate when rotating, so that the first driving wheel 8 can drive the second driving wheel 9 to rotate, the second driving wheel 9 can drive the third driving wheel 11 to rotate through the transmission shaft 10 when rotating, so that the fourth driving wheel 12 is driven by the third driving wheel 11 to rotate, and the output shaft 13 rotates, so that the rotating speed of the input shaft 7 is reduced and transmitted through the first driving wheel 8, the second driving wheel 9, the transmission shaft 10, the third driving wheel 11 and the fourth driving wheel 12, the rotating speed of the output shaft 13 is greatly reduced relative to the rotating speed of the input shaft 7, when the internal temperature is increased, the ventilating cap 3 can be opened, so that the air pressure in the reduction gearbox is reduced, the lubricating oil is prevented from leaking from gaps of the reduction gearbox due to excessive internal pressure of the reduction gearbox, after the probe cap is opened, the amount of the lubricating oil in the reduction gearbox cover can be detected, after the oil drain bolt 14 is opened, lubricating oil in the case shell 1 can be drained so as to replace the lubricating oil in the case shell 1, and the lubricating oil thrown to the case cover 2 can return to the inside of the case shell 1 along the oil return groove 6 when the first transmission wheel 8, the second transmission wheel 9, the third transmission wheel 11 and the fourth transmission wheel 12 rotate, so that the lubricating oil is prevented from leaking, and the utilization rate of the lubricating oil is improved.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.

Claims

1. The utility model provides a harvester transaxle wheel limit reducing gear box which characterized in that: the oil detection device comprises a box shell (1), an oil detection cap (4) and a first transmission wheel (8), wherein a box cover (2) is arranged at the upper end of the box shell (1), a ventilation cap (3) is arranged on one side of the upper end of the box cover (2), the oil detection cap (4) is arranged on one side of the ventilation cap (3), a connecting seat (5) is formed at the lower end of the box shell (1), an oil return groove (6) is formed in the inner wall of the connecting seat (5), an input shaft (7) is arranged in the box shell (1), the first transmission wheel (8) is arranged on the input shaft (7), a second transmission wheel (9) is arranged on one side of the first transmission wheel (8), a transmission shaft (10) is arranged in the second transmission wheel (9), a third transmission wheel (11) is arranged on one side of the second transmission wheel (9), a fourth transmission wheel (12) is arranged on one side, an oil drainage bolt (14) is arranged at the bottom end of the box shell (1).

2. The reduction gearbox on wheel side of the harvester drive axle according to claim 1, characterized in that: the box cover (2) is connected with the box shell (1) through bolts, and the ventilation cap (3) is connected with the box cover (2) through threads.

3. The reduction gearbox on wheel side of the harvester drive axle according to claim 1, characterized in that: the oil detection cap (4) is connected with the case cover (2) through a bolt, and the connecting seat (5) is connected with the case shell (1) in an inserting mode.

4. The reduction gearbox on wheel side of the harvester drive axle according to claim 1, characterized in that: the input shaft (7) is connected with the box shell (1) through a bearing, the first driving wheel (8) is in key connection with the input shaft (7), and the first driving wheel (8) is meshed with the second driving wheel (9).

5. The reduction gearbox on wheel side of the harvester drive axle according to claim 1, characterized in that: the transmission shaft (10) is connected with the box shell (1) through a bearing, and the transmission shaft (10) is in key connection with the second driving wheel (9) and the third driving wheel (11).

6. The reduction gearbox on wheel side of the harvester drive axle according to claim 1, characterized in that: the third driving wheel (11) is meshed with the fourth driving wheel (12), the fourth driving wheel (12) is in key connection with the output shaft (13), and the output shaft (13) is connected with the box shell (1) through a bearing.

7. The reduction gearbox on wheel side of the harvester drive axle according to claim 1, characterized in that: the oil drain bolt (14) is connected with the box shell (1) through threads.