Gearbox convenient to control for agricultural machinery

Abstract

The gearbox comprises a C shaft piece, an F shaft piece, an H shaft piece and an L shaft piece, the side end of the L shaft piece is connected to the front side of the middle section of the C shaft piece, the F shaft piece and the H shaft piece are arranged side by side up and down, and the bottom side of the F shaft piece can be connected with the H shaft piece in a meshed mode. According to the gearbox, the arrangement of an original gearbox is optimized, the connection of a C shaft piece and an L shaft piece in the original gearbox is changed into a always-connected structure, output shafts on the two sides are reduced, the gearbox is more convenient to install and use, in addition, new gears are additionally arranged on an F shaft piece and an H shaft piece, more gear choices can be achieved during reverse operation, and the gearbox is more stable in operation. The practical effect is better, and popularization and use are facilitated.

Description

Technical Field

[0001] The utility model relates to the field of agricultural machinery, in particular to a gearbox for agricultural machinery which is easy to operate. Background Art

[0002] In the utility model patent of an improved gearbox used in agricultural machinery (patent number: CN202321286644.2), although the reverse gear of the agricultural machinery controlled by the existing gearbox operates normally, its reverse speed is too slow. Although the speed is sufficient for conventional use, under special circumstances, such as reverse walking, the speed is too slow to reduce efficiency. In actual use, the utilization rate of the side output is not high, and during installation, the side output on both sides will affect the installation. The external output can be removed and the rear connection method can be used as the external output. Therefore, a gearbox for agricultural machinery that is easy to operate is designed. Utility Model Content

[0003] The purpose of the utility model is to provide a gearbox for agricultural machinery that is easy to operate to solve the above technical problems. To achieve the above purpose, the utility model adopts the following technical solutions:

[0004] A gearbox for agricultural machinery that is easy to operate, comprising a C shaft, an F shaft, an H shaft, and an L shaft, wherein the side end of the L shaft is connected to the front side of the middle section of the C shaft, the F shaft and the H shaft are arranged in parallel up and down, and the bottom side of the F shaft can be meshed and connected with the H shaft, the C shaft is composed of a C shaft rod, an n gear, an m gear, an o helical gear, a C spline shaft rod, and a side end bearing, the C spline shaft rod is arranged at one side end of the C shaft rod, the n gear and the m gear are arranged in parallel, the n gear and the m gear are arranged at the side end of the C shaft rod, the o helical gear is arranged at the other side end of the C shaft rod, and the A shift shaft groove is arranged between the n gear and the m gear, and the n gear and the m gear can slide on the C spline shaft at the left end of the C shaft, and the n gear, the m gear and the o helical gear can rotate integrally with the C shaft, and the side end bearings are arranged on both side ends of the C shaft and the C spline shaft, and the L shaft member is composed of an L shaft, an external spline shaft, a p helical gear and a side end bearing, and the p helical gear is arranged on the side end of the L shaft, and the side end bearing is arranged on the outside between the L shaft and the external spline shaft, the L shaft, the external spline shaft and the p helical gear are arranged integrally, and the p helical gear and the o helical gear are meshingly connected.

[0005] On the basis of the above technical scheme, the F shaft member is composed of an F shaft rod, a shaft spline shaft, a protruding shaft rod, a gear, b gear, c gear, d gear, e gear, f gear, and side end bearings. The shaft spline shaft and the protruding shaft rod are respectively arranged on the two side ends of the F shaft rod, and the F shaft rod, the shaft spline shaft, and the protruding shaft rod are fixed as a whole. The a gear and the b gear are arranged in parallel, and the a gear and the b gear are fixed as a whole. A shifting shaft groove is arranged on one side of the a gear, and a spline shaft hole is opened in the center of the a gear and the b gear. The d gear and the e gear are arranged in parallel, and the d gear and the e gear are fixed as a whole. The c gear, d gear, e gear, and f gear are arranged on the F shaft rod, and the c gear, d gear, e gear, and f gear can rotate with the F shaft rod. The a gear and the b gear are connected to the shaft spline shaft, and the a gear and the b gear can slide laterally on the shaft spline shaft. The side end bearings are respectively arranged on the side end of the shaft spline shaft and the two side ends of the F shaft rod.

[0006] Based on the above technical solution, the H shaft component is composed of an H shaft rod, a g gear, an h gear, a j gear, a k gear, and a side end bearing. The g gear, h gear, j gear, and k gear are arranged in an arranged manner. The g gear, h gear, j gear, and k gear are arranged on the H shaft rod, and the g gear, h gear, j gear, and k gear can rotate integrally with the H shaft rod, and the side end bearings are respectively arranged on both side ends of the H shaft rod.

[0007] Compared with the prior art, the utility model has the following advantages: the utility model optimizes the original gearbox setting, changes the connection between the C-axis and the L-axis inside the original gearbox, improves it to a structure that is always connected, reduces the output shafts on both sides, and is more convenient during installation and use. In addition, new gears are added to the F-axis and the H-axis, so that more gear selections can be achieved during reverse operations. The practical effect is better and it is suitable for popularization and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 This is a diagram of the overall appearance of the utility model.

[0009] Figure 2 This is a schematic diagram of the F shaft component of the utility model.

[0010] Figure 3 This is a schematic diagram of the disassembly of the F-axis component of the utility model.

[0011] Figure 4 It is a schematic diagram of the H-axis component of the utility model.

[0012] Figure 5 This is a schematic diagram of the disassembly of the H-axis component of the utility model.

[0013] Figure 6 It is a schematic diagram of the C-axis component and the L-axis component of the utility model.

[0014] Figure 7 This is a schematic diagram of the disassembly of the C-axis component and the L-axis component of the utility model.

[0015] In the figure: C shaft member 4-1, F shaft member 4-4, H shaft member 4-6, L shaft member 4-10, side end bearing 4-11;

[0016] F shaft 44-1, shaft spline shaft 44-2, through shaft 44-3, a gear 44-4, b gear 44-5, c gear 44-6, d gear 44-7, e gear 44-8, f gear 44-9, shifting shaft groove 44-10

[0017] Spline shaft hole 44-11;

[0018] H shaft 46-1, g gear 46-2, h gear 46-3, j gear 46-4, k gear 46-5;

[0019] C shaft 41-1, n gear 41-2, m gear 41-3, o helical gear 41-4, C spline shaft 41-5;

[0020] L shaft 410 - 1 , external spline shaft 410 - 2 , p bevel gear 410 - 3 . DETAILED DESCRIPTION

[0021] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementations.

[0022] A gearbox for agricultural machinery that is easy to operate, comprising a C shaft 4-1, an F shaft 4-4, an H shaft 4-6, and an L shaft 4-10, wherein the side end of the L shaft is connected to the front side of the middle section of the C shaft 4-1, the F shaft 4-4 and the H shaft 4-6 are arranged in parallel up and down, and the bottom side of the F shaft 4-4 can be meshed and connected with the H shaft 4-6, and the C shaft 4-1 is composed of a C shaft rod 41-1, an n gear 41-2, an m gear 41-3, an o helical gear 4 1-4, C spline shaft 41-5, and side end bearing 4-11, wherein the C spline shaft 41-5 is arranged at one side end of the C shaft 41-1, the n gear 41-2 and the m gear 41-3 are arranged in parallel, the n gear 41-2 and the m gear 41-3 are arranged at the side end of the C shaft 41-1, the o bevel gear 41-4 is arranged at the other side end of the C shaft 41-1, and the n gear 41-2 and the m gear 41-3 are arranged between them. There is a shift shaft groove 44-10, the n gear 41-2 and the m gear 41-3 can slide on the C spline shaft 41-5 at the left end of the C shaft 41-1, and the n gear 41-2, the m gear 41-3, and the o bevel gear 41-4 can rotate integrally with the C shaft 41-1, the side end bearing 4-11 is arranged on both side ends of the C shaft 41-1 and the C spline shaft 41-5, and the L shaft member 4-10 is composed of the L shaft 410-1, the external spline shaft 410-2, p bevel gear 410-3, and side end bearing 4-11, the p bevel gear 410-3 is arranged on the side end of the L shaft 410-1, the side end bearing 4-11 is arranged on the outside between the L shaft 410-1 and the external spline shaft 410-2, the L shaft 410-1, the external spline shaft 410-2, and the p bevel gear 410-3 are arranged as a whole, and the p bevel gear 410-3 and the o bevel gear 41-4 are meshingly connected.

[0023] The F shaft member 4-4 is composed of an F shaft rod 44-1, a shaft spline shaft 44-2, a shaft rod 44-3, a gear 44-4, b gear 44-5, c gear 44-6, d gear 44-7, e gear 44-8, f gear 44-9, and a side end bearing 4-11. The shaft spline shaft 44-2 and the shaft rod 44-3 are respectively arranged on both side ends of the F shaft rod 44-1, and the F shaft rod 44-1, the shaft spline shaft 44-2, and the shaft rod 44-3 are fixed as a whole. The a gear 44-4 and the b gear 44-5 are arranged in parallel, and the a gear 44-4 and the b gear 44-5 are fixed as a whole. A shifting shaft groove 44-10 is provided on one side of the a gear 44-4, and the a gear 44-4 and the b gear 44-5 are in the middle. A spline shaft hole 44-11 is opened in the center, the d gear 44-7 and the e gear 44-8 are arranged in parallel, and the d gear 44-7 and the e gear 44-8 are fixed as a whole, the c gear 44-6, the d gear 44-7, the e gear 44-8, and the f gear 44-9 are arranged on the F shaft, and the c gear 44-6, the d gear 44-7, the e gear 44-8, and the f gear 44-9 can rotate together with the F shaft 44-1, the a gear 44-4 and the b gear 44-5 are connected to the shaft spline shaft 44-2, and the a gear 44-4 and the b gear 44-5 can slide laterally on the shaft spline shaft 44-2, and the side end bearings 4-11 are respectively arranged on the side ends of the shaft spline shaft 44-2 and the two side ends of the F shaft 44-1.

[0024] The H shaft member 4-6 is composed of an H shaft rod 46-1, a g gear 46-2, an h gear 46-3, a j gear 46-4, a k gear 46-5, and a side end bearing 4-11. The g gear 46-2, the h gear 46-3, the j gear 46-4, and the k gear 46-5 are arranged in an array. The g gear 46-2, the h gear 46-3, the j gear 46-4, and the k gear 46-5 are arranged on the H shaft rod 46-1, and the g gear 46-2, the h gear 46-3, the j gear 46-4, and the k gear 46-5 can rotate integrally with the H shaft rod 46-1. The side end bearings 4-11 are respectively arranged on both side ends of the H shaft rod 46-1.

[0025] The working principle of the utility model is as follows: compared with the gearbox structure in the original utility model, the design of the four shaft component structures of the F shaft component, the H shaft component, the C shaft component and the L shaft component is changed.

[0026] Among them, a b gear 44-5 is added to the F shaft and an h gear 46-3 is added to the H shaft so that the a gear 44-4 and the b gear 44-5 can be moved to both sides. The a gear 44-4 moves to one side and can be meshed and connected with the g gear 46-2 in the H shaft 4-6, realizing the reverse function. The b gear 44-5 moves to one side and can be meshed and connected with the h gear 46-3 in the H shaft, also realizing the reverse function. The first type is that the a gear 44- is meshed with the g gear 46-2 and the second type is that the gear 1 is meshed with the gear 2. The reverse speeds of the two connection methods are changed, and the functions of high and low reverse speed gears appear. The other type is to move the a gear 44-4 and the b gear 44-5 formed as one body between the g gear 46-2 and the h gear 46-3, so that the gear 44-4 and the b gear 44-5 are not connected with the g gear 46-2 and the h gear 46-3, that is, they are in neutral.

[0027] The C-axis and L-axis in the original utility model are improved into the C-axis 4-1 and L-axis 4-10 in this case, and the structure is improved into a mode in which the o-bevel gear 41-4 and the p-bevel gear 410-3 are always connected, and the external output at both ends of the C-axis is reduced, and the output is improved into a single rear-side external spline shaft 410-2 as an external output.

[0028] The above is a preferred embodiment of the present invention. For ordinary technicians in this field, according to the teachings of the present invention, without departing from the principles and spirit of the present invention, changes, modifications, substitutions and variations made to the implementation methods are still within the scope of protection of the present invention.

Claims

1. A gearbox for agricultural machinery that is easy to operate, characterized in that: The invention comprises a C shaft member (4-1), an F shaft member (4-4), an H shaft member (4-6), and an L shaft member (4-10), wherein the side end of the L shaft member is connected to the front side of the middle section of the C shaft member (4-1), the F shaft member (4-4) and the H shaft member (4-6) are arranged in parallel up and down, and the bottom side of the F shaft member (4-4) can be meshed and connected with the H shaft member (4-6), and the C shaft member (4-1) is composed of a C shaft rod (41-1), an n gear (41-2), an m gear (41-3), an o helical gear (41-4), a C spline shaft rod (41-5), and a side end bearing (4-11), the C spline shaft (41-5) is arranged at one side end of the C shaft (41-1), the n gear (41-2) and the m gear (41-3) are arranged in parallel, the n gear (41-2) and the m gear (41-3) are arranged at the side end of the C shaft (41-1), the o bevel gear (41-4) is arranged at the other side end of the C shaft (41-1), and a shifting shaft groove (44) is arranged between the n gear (41-2) and the m gear (41-3). -10, the n gear (41-2) and the m gear (41-3) can slide on the C spline shaft (41-5) at the left end of the C shaft (41-1), and the n gear (41-2), the m gear (41-3), and the o bevel gear (41-4) can rotate integrally with the C shaft (41-1), the side end bearings (4-11) are arranged on both side ends of the C shaft (41-1) and the C spline shaft (41-5), and the L shaft member (4-10) is composed of the L shaft (410-1), the external spline shaft (4 10-2), a p bevel gear (410-3), and a side end bearing (4-11), the p bevel gear (410-3) being arranged at the side end of the L shaft (410-1), the side end bearing (4-11) being arranged on the outside between the L shaft (410-1) and the external spline shaft (410-2), the L shaft (410-1), the external spline shaft (410-2), and the p bevel gear (410-3) being arranged as a whole, and the p bevel gear (410-3) and the o bevel gear (41-4) being meshingly connected.

2. The easy-to-control gearbox for agricultural machinery according to claim 1, characterized in that: The F shaft component (4-4) is composed of an F shaft (44-1), a shaft spline shaft (44-2), a through shaft (44-3), a gear (44-4), a gear (44-5), a gear (44-6), a gear (44-7), an e gear (44-8), an f gear (44-9), and a side end bearing (4-11). The shaft spline shaft (44-2) and the through shaft (44-3) are respectively arranged on the F shaft. The two side ends of the F shaft (44-1), the shaft spline shaft (44-2), and the through shaft (44-3) are fixed as a whole, the a gear (44-4) and the b gear (44-5) are arranged in parallel, and the a gear (44-4) and the b gear (44-5) are fixed as a whole, and a shifting shaft groove (44-10) is provided on one side of the a gear (44-4), and the a gear (44-4) and the b gear (44-5) are fixed as a whole. A spline shaft hole (44-11) is provided at the center of the gear (44-11), the gear (44-7) and the gear (44-8) are arranged in parallel, and the gear (44-7) and the gear (44-8) are fixed as a whole, and the gear (44-6) and the gear (44-7) are arranged on the shaft (F), and the gear (44-6) and the gear (44-7) and the gear (44-8) are arranged on the shaft (F). ), the f gear (44-9) can rotate integrally with the F shaft (44-1), the a gear (44-4) and the b gear (44-5) are connected to the shaft spline shaft (44-2), and the a gear (44-4) and the b gear (44-5) can slide laterally on the shaft spline shaft (44-2), and the side end bearings (4-11) are respectively arranged on the side ends of the shaft spline shaft (44-2) and the two side ends of the F shaft (44-1).

3. The easy-to-control gearbox for agricultural machinery according to claim 1, characterized in that: The H shaft member (4-6) is composed of an H shaft rod (46-1), a g gear (46-2), an h gear (46-3), a j gear (46-4), a k gear (46-5), and a side end bearing (4-11); the g gear (46-2), the h gear (46-3), the j gear (46-4), and the k gear (46-5) are arranged in an array; the g gear (46-2), the h gear (46-3), the j gear (46-4), and the k gear (46-5) are arranged in an array on the H shaft rod (46-1); the g gear (46-2), the h gear (46-3), the j gear (46-4), and the k gear (46-5) can rotate integrally with the H shaft rod (46-1); and the side end bearings (4-11) are respectively arranged on both side ends of the H shaft rod (46-1).

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