阅读说明：本技术 一种卸粮传动箱结构 (Unload grain transmission case structure ) 是由 王佳军 邢立成 钟响响 陈俊云 杨欣成 于 2020-05-27 设计创作，主要内容包括：本发明公开了一种卸粮传动箱结构,包括X向长传动轴、Y向水平推运搅龙、Z向垂直提升搅龙和传动箱体,所述的传动箱体的Z向上端安装有Z向大锥齿轮,传动箱体的Y向右端安装有Y向小锥齿轮；传动箱体的X向安装有X向长传动轴,所述X向长传动轴位于传动箱体内的一端安装有X向小锥齿轮,X向长传动轴的另一端连接有皮带轮；X向小锥齿轮与Z向大锥齿轮相啮合,Z向大锥齿轮与Z向垂直提升搅龙相连接；Z向大锥齿轮同时与Y向小锥齿轮相啮合,Y向小锥齿轮通过一根Y向短传动轴与一小链轮相连接,大链轮安装于Y向水平推运搅龙的右端。本发明中直接将动力传递至Z向垂直提升搅龙和Y向水平推运搅龙,减少了水平推运搅龙的负载。(The invention discloses a grain unloading transmission case structure which comprises an X-direction long transmission shaft, a Y-direction horizontal pushing auger, a Z-direction vertical lifting auger and a transmission case body, wherein a Z-direction large bevel gear is installed at the Z-direction upper end of the transmission case body, and a Y-direction small bevel gear is installed at the Y-direction right end of the transmission case body; an X-direction long transmission shaft is arranged in the X direction of the transmission box body, an X-direction bevel pinion is arranged at one end of the X-direction long transmission shaft in the transmission box body, and a belt pulley is connected to the other end of the X-direction long transmission shaft; the X-direction small bevel gear is meshed with the Z-direction large bevel gear, and the Z-direction large bevel gear is connected with the Z-direction vertical lifting auger; the Z-direction large bevel gear is meshed with the Y-direction small bevel gear simultaneously, the Y-direction small bevel gear is connected with a small chain wheel through a Y-direction short transmission shaft, and the large chain wheel is arranged at the right end of the Y-direction horizontal pushing auger. According to the invention, power is directly transmitted to the Z-direction vertical lifting auger and the Y-direction horizontal pushing auger, so that the load of the horizontal pushing auger is reduced.)

1. A grain unloading transmission case structure comprises an X-direction long transmission shaft, a Y-direction horizontal pushing and transporting auger, a Z-direction vertical lifting auger and a transmission case body, and is characterized in that a Z-direction large bevel gear is installed at the Z-direction upper end of the transmission case body, and a Y-direction small bevel gear is installed at the Y-direction right end of the transmission case body;

an X-direction long transmission shaft is arranged in the X direction of the transmission box body, an X-direction bevel pinion is arranged at one end of the X-direction long transmission shaft in the transmission box body, and a belt pulley is connected to the other end of the X-direction long transmission shaft; the X-direction small bevel gear is meshed with the Z-direction large bevel gear, and the Z-direction large bevel gear is connected with the Z-direction vertical lifting auger; the Z-direction large bevel gear is meshed with the Y-direction small bevel gear simultaneously, the Y-direction small bevel gear is connected with a small chain wheel through a Y-direction short transmission shaft, the small chain wheel is connected with a large chain wheel through a synchronous chain, and the large chain wheel is installed at the right end of the Y-direction horizontal pushing auger.

2. The grain unloading transmission case structure as claimed in claim 1, wherein the belt pulley on the X-direction long transmission shaft is connected with the engine belt pulley through a belt.

3. The grain unloading transmission case structure as claimed in claim 1, wherein an X-direction bearing is installed between the X-direction long transmission shaft and the transmission case body.

4. The grain unloading transmission case structure as claimed in claim 1, wherein a Z-direction bearing is installed between the Z-direction large bevel gear and the transmission case body.

5. The grain unloading transmission case structure of claim 1, wherein a group of Y-direction bearings is arranged between the Y-direction short transmission shaft and the transmission case body.

6. The grain unloading transmission case structure as claimed in claim 1, wherein the Y-direction bevel pinion is connected with the Y-direction short transmission shaft through a spline.

7. The grain unloading transmission case structure of claim 1, wherein the Z-direction vertical lifting auger is positioned above the side of the transmission case body.

8. The grain unloading transmission case structure of claim 1, wherein the connection modes of the X-direction long transmission shaft and the X-direction small bevel gear, the Z-direction large bevel gear and the Z-direction vertical lifting auger, and the large chain wheel and the Y-direction horizontal pushing auger are all in spline connection.

Technical Field

The invention relates to the technical field of agricultural machinery, in particular to a grain unloading transmission case structure.

Background

At present, the grain unloading transmission modes of domestic full-feeding combine harvesters are similar, all the grain unloading transmission modes are engine output power, the power is transmitted to a horizontal pushing auger in a granary through a transmission box at the front side of the granary, the power is transmitted to a vertical lifting auger through a transmission box below the rear side lifting auger of the granary, and the power is transmitted to an outward extending auger through a transmission box body above the vertical lifting auger, so that the grain unloading function is realized. The transmission mode has the following defects: the power output by the engine is transmitted to the vertical lifting auger and needs to pass through 2 transmission cases, so that the cost is increased, and the reliability of the transmission cases is low and is not enough to support long-time and high-strength operation.

Disclosure of Invention

The invention aims to solve the defects of the prior art, and provides a grain unloading transmission case structure which comprises an X-direction long transmission shaft, a Y-direction horizontal pushing auger, a Z-direction vertical lifting auger and a transmission case body, wherein a Z-direction large bevel gear is installed at the Z-direction upper end of the transmission case body, and a Y-direction small bevel gear is installed at the Y-direction right end of the transmission case body;

an X-direction long transmission shaft is arranged in the X direction of the transmission box body, an X-direction bevel pinion is arranged at one end of the X-direction long transmission shaft in the transmission box body, and a belt pulley is connected to the other end of the X-direction long transmission shaft; the X-direction small bevel gear is meshed with the Z-direction large bevel gear, and the Z-direction large bevel gear is connected with the Z-direction vertical lifting auger; the Z-direction large bevel gear is meshed with the Y-direction small bevel gear simultaneously, the Y-direction small bevel gear is connected with a small chain wheel through a Y-direction short transmission shaft, the small chain wheel is connected with a large chain wheel through a synchronous chain, and the large chain wheel is installed at the right end of the Y-direction horizontal pushing auger.

Further, the belt pulley on the X-direction long transmission shaft is connected with the engine belt pulley through a belt.

Furthermore, an X-direction bearing is arranged between the X-direction long transmission shaft and the transmission case body.

Furthermore, a Z-direction bearing is arranged between the Z-direction large bevel gear and the transmission case body.

Furthermore, a group of Y-direction bearings is arranged between the Y-direction short transmission shaft and the transmission case body.

Furthermore, the Y-direction bevel pinion is connected with the Y-direction short transmission shaft through a spline.

Further, the Z-direction vertical lifting auger is positioned above the side of the transmission case.

Furthermore, the connection modes of the X-direction long transmission shaft and the X-direction small bevel gear, the Z-direction large bevel gear and the Z-direction vertical lifting auger, and the large chain wheel and the Y-direction horizontal pushing auger are all in spline connection.

The operation principle is as follows: the power of the engine is transmitted from the belt pulley and is guided into the transmission case through the X-direction long transmission shaft, the X-direction long transmission shaft drives the X-direction small bevel gear to be meshed with the Z-direction large bevel gear, the Z-direction large bevel gear drives the Z-direction vertical lifting auger to rotate, meanwhile, the Z-direction large bevel gear is meshed with the Y-direction small bevel gear, the power is output to the small chain wheel through the Y-direction short transmission shaft, the small chain wheel drives the large chain wheel through the synchronous chain, and the large chain wheel drives the Y-direction horizontal pushing auger to rotate. The X-direction long transmission shaft can simultaneously drive the Z-direction vertical lifting auger and the Y-direction horizontal pushing auger to move.

Has the advantages that: (1) according to the invention, the vertical lifting auger is arranged at the position of the transmission box body, so that the occupied space of the transmission structure of the two transmission boxes is reduced, and the available space behind the granary is increased.

(2) According to the invention, the power of the engine is directly transmitted to the Z-direction vertical lifting auger and the Y-direction horizontal pushing auger through the X-direction long transmission shaft, so that the load of power transmission depending on the Y-direction horizontal pushing auger is reduced.

(3) According to the invention, two transmission boxes are integrated into one transmission box, so that the cost is reduced.

Drawings

FIG. 1 is a side view of a discharge drive box construction;

FIG. 2 is a schematic sectional view taken along the line A-A in FIG. 1;

in the figure: 11. the device comprises an X-direction long transmission shaft, 12 and Y-direction horizontal pushing augers, 13 and Z-direction vertical lifting augers, 14, a transmission box body, 15 and Z-direction large bevel gears, 16 and Y-direction small bevel gears, 17 and X-direction small bevel gears, 18, belt pulleys, 19 and Y-direction short transmission shafts, 20, small chain wheels, 21, a synchronous chain, 22 and large chain wheels.

Detailed Description

For the purpose of enhancing the understanding of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.

As shown in fig. 1-2, a grain unloading transmission case structure comprises an X-direction long transmission shaft 11, a Y-direction horizontal pushing auger 12, a Z-direction vertical lifting auger 13 and a transmission case 14, wherein a Z-direction large bevel gear 15 is installed at the Z-direction upper end of the transmission case 14, and a Y-direction small bevel gear 16 is installed at the Y-direction right end of the transmission case 14;

an X-direction long transmission shaft 11 is arranged in the X direction of the transmission case body 14, an X-direction bevel pinion 17 is arranged at one end, located in the transmission case body 14, of the X-direction long transmission shaft 11, and a belt pulley 18 is connected to the other end of the X-direction long transmission shaft 11; the X-direction small bevel gear 17 is meshed with the Z-direction large bevel gear 15, and the Z-direction large bevel gear 15 is connected with the Z-direction vertical lifting auger 13; the Z-direction large bevel gear 15 is meshed with the Y-direction small bevel gear 16 at the same time, the Y-direction small bevel gear 16 is connected with a small chain wheel 20 through a Y-direction short transmission shaft 19, the small chain wheel 20 is connected with a large chain wheel 22 through a synchronous chain 21, and the large chain wheel 22 is installed at the right end of the Y-direction horizontal pushing auger 12.

In this embodiment, the belt pulley on the X-direction long transmission shaft 11 is connected with the engine belt pulley through a belt; an X-direction bearing is arranged between the X-direction long transmission shaft 11 and the transmission case 14; the X-direction long transmission shaft 11 is connected with the X-direction bevel pinion through a spline; a Z-direction bearing is arranged between the Z-direction large bevel gear and the transmission case body 14; the Z-direction large bevel gear is connected with the Z-direction vertical lifting flood dragon through a spline; a group of Y-direction bearings are arranged between the Y-direction short transmission shaft 19 and the transmission case 14; the Y-direction bevel pinion is connected with the Y-direction short transmission shaft 19 through a spline; the large chain wheel 22 is connected with the Y-direction horizontal pushing auger 12 through a spline.

In this embodiment, the Z-direction vertical lift auger 13 is located above and laterally to the transmission case 14.

In this embodiment, the power of the engine is transmitted from the belt pulley and is guided into the transmission case through the long transmission shaft 11 in the X direction, the long transmission shaft 11 in the X direction drives the small bevel gear in the X direction to engage with the large bevel gear in the Z direction, the large bevel gear in the Z direction drives the vertical lifting auger 13 in the Z direction to rotate, the large bevel gear in the Z direction engages with the small bevel gear in the Y direction, and the power is output to the small sprocket through the short transmission shaft 19 in the Y direction, the small sprocket drives the large sprocket through the synchronous chain, and the large sprocket drives the horizontal pushing auger 12 in the Y direction to rotate. The X-direction long transmission shaft 11 can simultaneously drive the Z-direction vertical lifting auger 13 and the Y-direction horizontal pushing auger 12 to move.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.