Gearbox device of corn harvester

Abstract

The utility model discloses a corn harvester gearbox device which is characterized in that the left side of a shell is provided with an input shaft through a bearing, one end of the input shaft is provided with a belt pulley which is arranged on the outer side of the shell, and the other end of the input shaft is provided with a first bevel gear which is arranged in the shell; a bevel gear shaft is arranged on the front side of the shell through a bearing, a second bevel gear is arranged at the end of the bevel gear shaft and meshed with the first bevel gear, a first gear is arranged in the middle of the bevel gear shaft, driving shafts are arranged on the front side and the rear side of the shell through bearings, and second gears are arranged on the front sides of the driving shafts and meshed with the first gear. The width-adjustable driving shaft and the width-adjustable driven shaft are arranged, so that the proper distance can be adjusted according to different thicknesses of corn straws, the phenomenon of omission in corn harvesting can be avoided, meanwhile, the straws can be prevented from being extruded to be broken and entering a corn bin together, subsequent manual treatment steps are reduced, and the labor amount of people is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of agricultural machinery, in particular to a gearbox device for a corn harvester. Background Art

[0002] Corn harvester is an agricultural machinery that uses machinery to harvest corn stalks according to agronomic requirements when corn is ripe or nearly ripe. It is a new type of agricultural machinery developed for the development of new energy and to reduce the labor intensity of farmers. It is a low-cost agricultural machinery suitable for the popularization of small four-wheelers in rural areas. It can harvest corn stalks. It shortens the labor cycle of farmers and frees people from heavy physical labor. At present, due to different corn varieties, corn stalks are thick and thin. When using a universal corn harvester, the spacing between the ear picking rollers cannot be adjusted, which easily causes the stalks to fall off, resulting in omissions in corn harvesting, or the stalks are squeezed and broken, causing the stalk fragments to enter the corn bin together, increasing the subsequent manual processing steps and increasing people's physical labor. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a corn harvester gearbox device in view of the deficiencies in the prior art to solve at least one of the above technical problems.

[0004] The technical solution of the utility model for solving the above technical problems is as follows: a corn harvester gearbox device comprises a shell, an input shaft is arranged on the left side of the shell through a bearing, a pulley is arranged at one end of the input shaft and the pulley is arranged on the outside of the shell, a first bevel tooth is arranged at the other end of the input shaft and the first bevel tooth is arranged inside the shell, a bevel gear shaft is arranged on the front side of the shell through a bearing, a second bevel tooth is arranged at the end of the bevel gear shaft and the second bevel tooth is meshed with the first bevel tooth, a first gear is arranged in the middle part of the bevel gear shaft, a driving shaft is arranged on the front and rear sides of the shell through bearings, a second gear is arranged on the front side of the driving shaft, the second gear is meshed with the first gear, a first sliding cavity is arranged on the front side of the shell, a first sliding block is slidably connected in the first sliding cavity, a first long slot hole is arranged on the front side of the shell, and the first long slot hole is mounted in cooperation with the first long slot hole A first fastener is provided and the first fastener is connected to the first slider through a thread, a second sliding cavity is provided on the rear side of the shell, and a second sliding cavity is slidably connected to the second sliding cavity, the first slider and the second slider are both provided with a driven shaft through a bearing, a third gear is provided on the front side of the driven shaft, and the third gear is correspondingly provided, an arc-shaped third sliding cavity is provided on the front side of the shell, a third slider is slidably connected to the third sliding cavity and the third slider is arc-shaped, an arc-shaped second long slot hole is provided on the front side of the shell, a second fastener is installed in the second long slot hole and the second fastener is connected to the third slider through a thread, the third slider is provided with a gear shaft through a bearing, a fourth gear is provided at the end of the gear shaft, the fourth gear is meshed with the second gear and the third gear, and the center of the third sliding cavity, the third slider, the second long slot hole and the gear shaft coincide.

[0005] Furthermore, a first sliding groove is provided in the first sliding cavity, a first sliding key is provided in the first sliding block, and the first sliding groove and the first sliding key are slidably matched.

[0006] Furthermore, a second sliding groove is provided in the second sliding cavity, a second sliding key is provided on the second sliding block, and the second sliding groove and the second sliding key are slidably matched.

[0007] Furthermore, a third sliding groove is provided in the third sliding cavity, a second sliding key is provided on the third sliding block, and the third sliding groove and the third sliding key are slidably matched.

[0008] Furthermore, the ends of the driving shaft and the driven shaft are both provided with connecting splines.

[0009] Furthermore, a plurality of mounting seats are provided at the bottom of the shell, and mounting holes are provided on the mounting seats.

[0010] The beneficial effects of the utility model are:

[0011] The utility model is provided with a driving shaft and a driven shaft with adjustable widths, so that a suitable spacing can be adjusted according to the different thicknesses of corn stalks, thereby avoiding the phenomenon of missing corn during harvesting and preventing the stalks from being squeezed and broken and entering the corn bin together, thereby reducing the steps of subsequent manual processing and alleviating people's labor. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the utility model.

[0013] Figure 2 It is a schematic diagram of the front structure of the shell of the utility model.

[0014] Figure 3 This is a schematic diagram of the gear distribution of the utility model.

[0015] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0016] Housing 1; input shaft 2; pulley 3; first bevel tooth 4; bevel gear shaft 5; second bevel tooth 6; first gear 7; driving shaft 8; second gear 9; first slide cavity 10; first slide groove 11; first slider 12; first long slot hole 13; first fastener 14; second slide cavity 15; second slide groove 16; second slider 17; driven shaft 18; third gear 19; third slider 20; second long slot hole 21; second fastener 22; gear shaft 23; fourth gear 24; connecting spline 25; mounting seat 26. DETAILED DESCRIPTION

[0017] The present invention is further described below in conjunction with specific embodiments. It should be understood that these embodiments are only used to illustrate the present invention and are not used to limit the scope of the present invention. In addition, it should be understood that after reading the contents of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the claims attached to the application.

[0018] Example 1: See Figures 1 to 31 is a schematic diagram of each structure of the utility model, including a housing 1, an input shaft 2 is arranged on the left side of the housing 1 through a bearing, a pulley 3 is arranged at one end of the input shaft 2 and the pulley 3 is arranged on the outside of the housing 1, a first bevel gear 4 is arranged at the other end of the input shaft 2 and the first bevel gear 4 is arranged inside the housing 1, a bevel gear shaft 5 is arranged on the front side of the housing 1 through a bearing, a second bevel gear 6 is arranged at the end of the bevel gear shaft 5 and the second bevel gear 6 is meshed with the first bevel gear 4, the input shaft 2 drives the bevel gear shaft 5 to rotate, a first gear 7 is arranged in the middle of the bevel gear shaft 5, a driving shaft 8 is arranged on the front and rear sides of the housing 1 through bearings, a second gear 9 is arranged on the front side of the driving shaft 8, and the second gear 9 is meshed with the first bevel gear 4. The gear 7 is meshed, and the bevel gear shaft 5 drives the driving shaft 8 to rotate. A first sliding cavity 10 is provided on the front side of the housing 1. A first slider 12 is slidably connected in the first sliding cavity 10. The first slider 12 can move in the first sliding cavity 10. A first long slot hole 13 is provided on the front side of the housing 1. A first fastener 14 is installed in the first long slot hole 13. The first fastener 14 is connected to the first slider 12 through a thread. The first fastener 14 squeezes the first slider 12 and the housing 1 together to fix the first slider 12. A second sliding cavity 15 is provided on the rear side of the housing 1. A second slider 17 is slidably connected in the second sliding cavity 15. The first slider 12 and the second slider 17 are both provided by bearing matching. A driven shaft 18 is arranged, and the first sliding cavity 10 and the second sliding cavity 15 are provided with a long hole penetrating therethrough for facilitating the movement of the driven shaft 18, so as to leave space for the movement of the driven shaft 18. A third gear 19 is arranged on the front side of the driven shaft 18, and the third gear 19 is arranged corresponding to the second gear 9, and the second gear 9 and the third gear 19 can directly mesh, and an arc-shaped third sliding cavity is arranged on the front side of the housing 1, and a third slider 20 is slidably connected in the third sliding cavity and the third slider 20 is arc-shaped, and the third slider 20 can move in the third sliding cavity, and an arc-shaped second long slot hole 21 is arranged on the front side of the housing 1, and a second fastener 22 is installed in the second long slot hole 21, and the second fastener 22 and the third slider 2 0Through threaded connection, the second fastener 22 squeezes the third slider 20 and the housing 1 together to fix the third slider 20. The third slider 20 is provided with a gear shaft 23 through a bearing. The third sliding cavity is provided with a through long hole for facilitating the movement of the gear shaft 23, so as to leave space for the movement of the gear shaft 23. The end of the gear shaft 23 is provided with a fourth gear 24, which is meshed with the second gear 9 and the third gear 19. The fourth gear 24 is used as a transition gear to realize the transmission of the driving shaft 8 and the driven shaft 18. The centers of the third sliding cavity, the third slider 20, the second long slotted hole 21, and the gear shaft 23 coincide with each other. The fourth gear 24 is moderately meshed with the second gear 9 when moving.

[0019] Specifically, a first sliding groove 11 is provided in the first sliding cavity 10, and a first sliding key is provided in the first sliding block 12. The first sliding groove 11 and the first sliding key are slidably matched to increase stability.

[0020] Specifically, a second sliding groove 16 is provided in the second sliding cavity 15, and a second sliding key is provided on the second sliding block 17. The second sliding groove 16 and the second sliding key are slidably matched to increase stability.

[0021] Specifically, a third sliding groove is provided in the third sliding cavity, and a second sliding key is provided on the third sliding block 20. The third sliding groove and the third sliding key are slidingly matched to increase stability.

[0022] Specifically, the ends of the driving shaft 8 and the driven shaft 18 are both provided with connecting splines 25 for convenient connection with the ear picking rollers.

[0023] Specifically, a plurality of mounting seats 26 are provided at the bottom of the housing 1, and mounting holes are provided on the mounting seats 26, so as to facilitate the installation of the device on the corn harvester.

[0024] When using the utility model, the device is installed on a corn harvester, the power system of the corn harvester is connected to the pulley 3 through a belt transmission, the ear picking roller is installed on the active shaft 8 and the driven shaft 18 through the connecting spline 25, the power system drives the input shaft 2 to rotate, the input shaft 2 drives the bevel gear shaft 5 to rotate, the bevel gear shaft 5 drives the active roller to rotate, the active roller drives the driven roller to rotate, the ear picking rollers on both sides cooperate to harvest corn, when adjusting the distance between the ear picking rollers, the first fastener 14 and the second fastener 22 are loosened, the fourth gear 24 is disengaged by moving the third slider 20, the distance between the ear picking rollers is adjusted by moving the first slider 12, after the adjustment is completed, the driven shaft 18 is fixed by the first fastener 14, the fourth gear 24 is meshed with the third gear 19 by moving the third slider 20, the fourth gear 24 is always meshed with the third gear 19, the third slider 20 is fixed by the second fastener 22, and the adjustment of the distance between the ear picking rollers is completed.

[0025] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A corn harvester gearbox device, characterized in that: The invention comprises a housing (1), wherein an input shaft (2) is arranged on the left side of the housing (1) via a bearing, a pulley (3) is arranged at one end of the input shaft (2) and the pulley (3) is arranged on the outside of the housing (1), a first bevel tooth (4) is arranged at the other end of the input shaft (2) and the first bevel tooth (4) is arranged inside the housing (1), a bevel gear shaft (5) is arranged on the front side of the housing (1) via a bearing, a second bevel tooth (6) is arranged at the end of the bevel gear shaft (5) and the second bevel tooth (6) meshes with the first bevel tooth (4), and a second bevel tooth (6) is arranged in the middle of the bevel gear shaft (5). a gear (7), a driving shaft (8) is arranged on the front side and the rear side of the housing (1) via bearings, a second gear (9) is arranged on the front side of the driving shaft (8), the second gear (9) is meshed with the first gear (7), a first sliding cavity (10) is arranged on the front side of the housing (1), a first sliding block (12) is slidably connected in the first sliding cavity (10), a first long slot hole (13) is arranged on the front side of the housing (1), a first fastener (14) is installed in cooperation with the first long slot hole (13), and the first fastener (14) is connected to the first sliding block (12). The housing (1) is provided with a second sliding cavity (15) on the rear side thereof through a threaded connection, a second sliding block (17) is slidably connected in the second sliding cavity (15), the first sliding block (12) and the second sliding block (17) are both provided with a driven shaft (18) through a bearing, a third gear (19) is provided on the front side of the driven shaft (18), the third gear (19) is provided correspondingly to the second gear (9), an arc-shaped third sliding cavity is provided on the front side of the housing (1), a third sliding block (20) is slidably connected in the third sliding cavity, and the third sliding block (20) is arc-shaped, The front side of the housing (1) is provided with an arc-shaped second long slot hole (21), a second fastener (22) is installed in the second long slot hole (21), and the second fastener (22) is connected to the third slider (20) through a thread, the third slider (20) is provided with a gear shaft (23) through a bearing, and a fourth gear (24) is provided at the end of the gear shaft (23), and the fourth gear (24) is meshed with the second gear (9) and the third gear (19), and the centers of the third slide cavity, the third slider (20), the second long slot hole (21), and the gear shaft (23) coincide with each other.

2. A corn harvester gearbox device according to claim 1, characterized in that: A first sliding groove (11) is provided in the first sliding cavity (10), and a first sliding key is provided on the first sliding block (12), and the first sliding groove (11) and the first sliding key are slidably matched.

3. The corn harvester gearbox device according to claim 1, characterized in that: A second sliding groove (16) is provided in the second sliding cavity (15), and a second sliding key is provided on the second sliding block (17), and the second sliding groove (16) and the second sliding key are slidably matched.

4. The corn harvester gearbox device according to claim 1, characterized in that: A third sliding groove is provided in the third sliding cavity, a second sliding key is provided on the third sliding block (20), and the third sliding groove and the third sliding key are slidably matched.

5. The corn harvester gearbox device according to claim 1, characterized in that: The ends of the driving shaft (8) and the driven shaft (18) are both provided with connecting splines (25).

6. The corn harvester gearbox device according to claim 1, characterized in that: A plurality of mounting seats (26) are provided at the bottom of the housing (1), and mounting holes are provided on the mounting seats (26).

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