Integrated gear shifting transmission structure of farming machine

Abstract

The utility model discloses an integrated gear shifting transmission structure of a farming machine, which relates to the technical field of gear shifting of farming machines and comprises a main shaft, an intermediate shaft, a driven shaft and a gear shifting panel, a second gear, a third gear and a first gear are sequentially and fixedly arranged on the outer wall of the intermediate shaft, and a first gear, a second gear and a third gear are sequentially arranged on the outer wall of a triple gear of the main shaft. And a gear shifting structure for controlling the rotating speed of the driven shaft is arranged on the main shaft triple gear. The gear shifting structure comprises the auxiliary shaft, the gear shifting fork, the gear shifting Z shaft and the gear shifting connecting block, the gear shifting rod is obliquely and rotationally arranged at the top of the gear shifting connecting block, and a transverse movement labor-saving lever structure for the gear shifting fork is formed by the gear shifting Z shaft and the gear shifting rod, so that a farmer can conveniently and clearly perform gear shifting work; the situation that gears of a box body are damaged due to misoperation of an operator is reduced, and meanwhile machine accidents and human injuries caused by disordered gear shifting when a user uses a traditional farming machine are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of agricultural machine shifting, and in particular to an integrated shifting transmission structure for an agricultural machine. Background Art

[0002] A tiller is a mechanical device used for agricultural activities such as tilling, sowing, and harvesting. During use, different work tasks require different speeds and power outputs, so a shifting structure is needed to adjust the speed and torque of the drive system. The shifting structure can meet the needs of different working conditions by changing the transmission ratio, improving efficiency and operational flexibility, and thus better adapting to various agricultural operating environments.

[0003] The mechanical shifting structure of some agricultural machinery is usually composed of a gearbox, which includes components such as gears, bearings, and shift forks. Different gear combinations are controlled by lateral movement of the shift fork. The shift fork is generally directly fixed to the shift rod, resulting in unclear lateral movement of the shift fork of the mechanical shifting structure of some agricultural machinery in the prior art, which increases the difficulty of operation for the operator, especially when used for a long time, which may cause disordered shifting. Operational errors may cause machine failures and personal safety accidents. Summary of the invention

[0004] The purpose of the utility model is to solve the problem that the shift fork of the mechanical shift structure of some agricultural machines in the prior art is unclear in lateral movement, which increases the difficulty of operation for the operator, especially when used for a long time, it may cause disordered shifting, and operating errors may cause machine failure and personal safety accidents. An integrated shift transmission structure for agricultural machines is proposed.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] An integrated shift transmission structure for an agricultural machine comprises a main shaft, an intermediate shaft, a driven shaft and a shift panel, wherein the outer wall of the intermediate shaft is fixedly provided with second gear teeth, third gear teeth and first gear teeth in sequence, the end of the intermediate shaft is fixedly provided with intermediate teeth, the end of the driven shaft is fixedly provided with active bevel teeth, the side surfaces of the active bevel teeth are stably meshed with driven bevel teeth, an output shaft is fixedly provided at the center position of the bottom of the driven bevel teeth, the bottom of the output shaft is fixedly provided with reversing bevel teeth, the bottom of the reversing bevel teeth is meshed with output driven teeth, the outer wall of the main shaft is provided with guide rods in a circular array, the guide rods are slidably connected with main shaft triple teeth in a horizontal direction, the outer wall of the main shaft triple teeth is provided with primary teeth, secondary teeth and tertiary teeth in sequence, and a shift structure for controlling the speed of the driven shaft is provided on the main shaft triple teeth.

[0007] The shift structure comprises an auxiliary shaft, a shift fork, a shift Z-axis, and a shift connecting block, and a shift lever is arranged on the top of the shift connecting block so as to be tilted and rotated.

[0008] Optionally, a shift Z axis is fixedly arranged at the bottom of the shift connection block, the bottom end of the shift Z axis extends into the top of the shift fork, one end of the shift fork is movably inserted into the gap between the primary teeth and the secondary teeth, and an auxiliary shaft is movably inserted into the side of the shift fork.

[0009] Optionally, the outer wall of the driven shaft is fixedly provided with reverse gear double teeth in sequence, and the driven shaft is fixedly provided with driving teeth on one side of the reverse gear double teeth.

[0010] Optionally, a shift slot is provided on the top of the shift panel, and the shift lever extends into the shift slot of the shift panel.

[0011] Optionally, a limit frame is fixedly and obliquely arranged at one end of the shift connection block, and the shift rod extends into the limit frame.

[0012] Compared with the prior art, the utility model has the following advantages:

[0013] 1. The utility model is provided with a shift structure including an auxiliary shaft, a shift fork, a shift Z-axis, and a shift connecting block. A shift lever is arranged on the top of the shift connecting block for tilting and rotating. The shift Z-axis and the shift lever form a labor-saving lever structure for lateral movement of the shift fork, which is convenient for farmers to perform shifting work clearly and visible, reduces the damage of the box gear caused by operator errors, and also solves the problem of users shifting gears in disorder when using traditional agricultural machines, causing machine accidents and personal accidents. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0015] Figure 2 for Figure 1 Another perspective structural diagram of .

[0016] Figure 3 It is a schematic diagram of the coordination structure between the shift structure and the shift panel.

[0017] Figure 4 It is a schematic diagram of the matching structure of the main shaft and the shift fork.

[0018] Figure 5 It is a schematic diagram of the specific structure of the shift fork.

[0019] In the figure: 1. main shaft triple gear; 2. first gear gear; 3. intermediate shaft; 31. intermediate gear; 4. main shaft; 41. guide rod; 5. driving gear; 6. reverse gear double gear; 7. third gear gear; 8. second gear gear; 9. driven shaft; 91. active bevel gear; 10. driven bevel gear; 11. output shaft; 110. reversing bevel gear; 12. output driven gear; 13. shift lever; 14. shift connecting block; 141. limit frame; 15. shift Z axis; 16. shift fork; 17. auxiliary shaft; 18. shift panel; 181. gear slot; 19. first gear; 20. second gear; 21. third gear. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Reference Figure 1-5 A farming machine integrated shift transmission structure includes a main shaft 4, an intermediate shaft 3, a driven shaft 9, and a shift panel 18. The outer wall of the intermediate shaft 3 is fixedly provided with second gear teeth 8, third gear teeth 7, and first gear teeth 2 in sequence. An active bevel gear 91 is fixedly provided at the end of the driven shaft 9. The side of the active bevel gear 91 is stably meshed with a driven bevel gear 10. An output shaft 11 is fixedly provided at the center position of the bottom of the driven bevel gear 10. A reversing bevel gear 110 is fixedly provided at the bottom of the output shaft 11. The bottom of the reversing bevel gear 110 is meshed with an output driven gear 12. A guide rod 41 is provided in a circular array on the outer wall of the main shaft 4. The guide rod 41 is slidably connected with the main shaft triple gear 1 in the horizontal direction, allowing the main shaft triple gear 1 to move laterally while the main shaft 4 drives the main shaft triple gear 1 to rotate.

[0022] The outer wall of the main shaft triple tooth 1 is sequentially provided with primary teeth 19, secondary teeth 20, and tertiary teeth 21. The main shaft triple tooth 1 is provided with a shift structure for controlling the speed of the driven shaft 9. The shift structure includes an auxiliary shaft 17, a shift fork 16, a shift Z axis 15, and a shift connecting block 14. The top of the shift connecting block 14 is provided with a shift lever 13 for tilting and rotating. The bottom of the shift connecting block 14 is fixedly provided with a shift Z axis 15. The bottom end of the shift Z axis 15 extends into the top of the shift fork 16. A rectangular groove is opened on the top of the shift fork 16. The shift Z axis 15 includes vertical sections at both ends and a horizontal section. The vertical section at the bottom of the shift axis 15 extends into the rectangular groove.

[0023] One end of the shift fork 16 is movably inserted into the gap between the primary teeth 19 and the secondary teeth 20, and an auxiliary shaft 17 is movably inserted into the side of the shift fork 16. The outer wall of the driven shaft 9 is fixedly provided with reverse gear double teeth 6 in sequence, and the driven shaft 9 is fixedly provided with a driving tooth 5 on one side of the reverse gear double teeth 6. The end of the intermediate shaft 3 is fixedly provided with an intermediate tooth 31, and the driving tooth 5 cooperates with the intermediate tooth 31. The intermediate shaft 3 transmits power to the driven shaft 9. A gear slot 181 is opened on the top of the shift panel 18, and the shift rod 13 extends into the gear slot 181 of the shift panel 18. A limit frame 141 is fixedly provided at one end of the shift connection block 14, and the shift rod 13 extends into the inside of the limit frame 141.

[0024] It should be supplemented that the auxiliary shaft 17 is a fixed shaft, the intermediate shaft 3, the main shaft 4, and the output shaft 11 are rotatably arranged on the gearbox with bearings, and the shift Z axis rotates vertically on the box cover type armrest seat.

[0025] The specific implementation steps and principles of the utility model are as follows:

[0026] When it is necessary to shift gears of the agricultural machine, the shift lever 13 is placed in different gear slots 181 of the shift panel 18 by manpower. Since the vertical section of the shift Z axis 15 is rotatably arranged on the box cover armrest seat of the gearbox, the shift lever 13 and the shift Z axis 15 form a labor-saving pushing structure for the shift fork 16, thereby driving the main shaft triple teeth 1 to engage with the first gear teeth 2 or the second gear teeth 8 or the third gear teeth 7. When reverse gear is required, the shift fork 16 drives the main shaft triple teeth 1 to slide to engage with the reverse gear double teeth 6. The main shaft triple teeth 1 do not engage with the first gear teeth 2 or the second gear teeth 8 or the third gear teeth 7, but directly engage with the reverse gear double teeth 6, driving the driven shaft 9 to rotate.

[0027] The above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent substitutions or changes within the technical scope disclosed by the present invention according to the technical solution and inventive concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An integrated shift transmission structure for an agricultural machine, comprising a main shaft (4), an intermediate shaft (3), a driven shaft (9), and a shift panel (18), characterized in that: The outer wall of the intermediate shaft (3) is fixedly provided with a second gear tooth (8), a third gear tooth (7), and a first gear tooth (2) in sequence; the end of the intermediate shaft (3) is fixedly provided with an intermediate tooth (31); the end of the driven shaft (9) is fixedly provided with an active bevel tooth (91); the side of the active bevel tooth (91) is stably meshed with a driven bevel tooth (10); an output shaft (11) is fixedly provided at the center of the bottom of the driven bevel tooth (10); and the bottom of the output shaft (11) is fixedly provided with a A reversing bevel gear (110), wherein the bottom of the reversing bevel gear (110) is meshed with an output driven gear (12), the outer wall of the main shaft (4) is provided with a guide rod (41) in a circular array, the guide rod (41) is slidably connected with a main shaft triple gear (1) in a horizontal direction, the outer wall of the main shaft triple gear (1) is provided with a primary gear (19), a secondary gear (20), and a tertiary gear (21) in sequence, and the main shaft triple gear (1) is provided with a shifting structure for controlling the rotation speed of the driven shaft (9).

2. The integrated shift transmission structure for agricultural machinery according to claim 1, characterized in that: The shift structure comprises an auxiliary shaft (17), a shift fork (16), a shift Z shaft (15), and a shift connection block (14); a shift lever (13) is arranged on the top of the shift connection block (14) in an inclined and rotatable manner.

3. The integrated shift transmission structure for agricultural machinery according to claim 2, characterized in that: A shift Z axis (15) is fixedly arranged at the bottom of the shift connection block (14), the bottom end of the shift Z axis (15) extends into the top of the shift fork (16), one end of the shift fork (16) is movably inserted into the gap between the primary tooth (19) and the secondary tooth (20), and an auxiliary shaft (17) is movably inserted into the side of the shift fork (16).

4. The integrated shift transmission structure for agricultural machinery according to claim 1, characterized in that: The outer wall of the driven shaft (9) is fixedly provided with reverse gear double-linked teeth (6) in sequence, and the driven shaft (9) is fixedly provided with driving teeth (5) on one side of the reverse gear double-linked teeth (6).

5. The integrated shifting transmission structure for agricultural machinery according to claim 2, characterized in that: A shift slot (181) is provided on the top of the shift panel (18), and the shift rod (13) extends into the shift slot (181) of the shift panel (18).

6. The integrated shift transmission structure for agricultural machinery according to claim 2, characterized in that: A limiting frame (141) is fixedly and obliquely disposed on one end of the shift connection block (14), and the shift rod (13) extends into the limiting frame (141).

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