Gearbox structure for four-wheel-drive field management machine

Abstract

The utility model discloses a gearbox structure for a four-wheel-drive field management machine. The gearbox structure comprises a mounting seat, the top of the mounting seat is fixedly connected with a gearbox body, the top of the gearbox body is provided with a cover plate, the top of the cover plate is fixedly connected with a protective cover, and the right side of the gearbox body is fixedly connected with a connecting plate. The protection effect of the gearbox body can be effectively improved through the protection cover, the sound insulation and noise reduction effects can be effectively improved through the sound insulation cotton filled in the installation base, when maintenance is needed, the movable block is pulled, the movable block drives the limiting column to move, the limiting column is separated from an inner cavity of the limiting hole, limiting on the connecting block can be relieved, and maintenance is convenient. According to the gearbox structure, the protection plate is convenient to disassemble, the effect of convenient maintenance is achieved, and the problems that in the using process of a traditional gearbox structure, an effective protection function is lacked, meanwhile, the noise reduction function is not achieved, and the surrounding working environment is likely to be affected can be effectively solved.

Description

Technical Field

[0001] The utility model relates to the technical field of farmland management machines, in particular to a gearbox structure for a four-wheel drive farmland management machine. Background Art

[0002] A garden management machine refers to a small-scale garden tillage machine mainly used for operations in greenhouses, orchards, etc. It is an agricultural machinery product specially designed for operations in orchards, vegetable fields, greenhouses, hilly slopes and small plots of land (water and dry fields). The gearbox is a very important component of a garden management machine. It can change the transmission ratio and increase the torque and speed of the drive wheel, so that the garden management machine can meet the requirements of traction and driving speed under various working conditions.

[0003] For example, the Chinese utility model provides a "miniature garden management machine gearbox", and its announcement number is: CN204921852U, which is used to connect to the engine of a miniature garden management machine, including two relatively connected shell bodies, the front and rear ends of the shell body are respectively provided with bearing seats, a driving worm is passed through the two bearing seats, the rear end of the driving worm extends out of the shell body and is provided with a driving input end connected to the engine, the front end of the driving worm extends out of the shell body as a front working output shaft, the driving worm is provided with driving helical teeth, and the driving helical teeth are meshed and connected with a driven gear, and the two ends of the rotating shaft of the driven gear respectively extend out of the two sides of the shell body as side working output shafts. The utility model has direct power transmission and sufficient output power, which is conducive to simplifying the overall structure of the garden management machine. At the same time, the multi-directional output setting is adapted to various farming operations.

[0004] In the process of realizing the present utility model, the inventors found that there are at least the following problems in the technology: the gearbox structure in the above patent lacks effective protection function during use, and does not have the function of noise reduction, which easily affects the surrounding working environment. For this reason, we propose a gearbox structure for a four-wheel drive farm management machine. Utility Model Content

[0005] The purpose of the utility model is to provide a gearbox structure for a four-wheel drive farm management machine, which has the advantages of improved protection and noise reduction, and solves the problem that the gearbox structure lacks effective protection function during use and does not have noise reduction function, which easily affects the surrounding working environment.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a gearbox structure for a four-wheel drive farm management machine, comprising a mounting seat, a gearbox body is fixedly connected to the top of the mounting seat, a cover plate is arranged on the top of the gearbox body, a protective cover is fixedly connected to the top of the cover plate, a connecting plate is fixedly connected to the right side of the gearbox body, a transmission shaft is penetrated through the right side of the connecting plate, a connecting seat is fixedly connected to the right side of the mounting seat surface, a spring is fixedly connected to the right side of the inner cavity of the connecting seat, a movable block is fixedly connected to the left side of the spring, a limiting column is fixedly connected to the left side of the movable block, the left side of the limiting column penetrates the inner cavity of the connecting seat and extends to the outside of the connecting seat, a mounting groove is opened at the bottom of the mounting seat surface, a protective plate is arranged in the inner cavity of the mounting groove, a connecting block is fixedly connected to the top of the protective plate, a limiting hole is opened on the right side of the connecting block, the limiting hole is adapted to the limiting column, and sound insulation cotton is fixedly connected to the bottom of the mounting seat.

[0007] Preferably, fasteners are provided at the four corners of the top of the cover plate, and reinforcement rods are fixedly connected to both sides of the surface of the protective cover.

[0008] Preferably, a heat sink is fixedly connected to the surface of the gearbox body, and a heat sink strip is fixedly connected to the surface of the heat sink.

[0009] Preferably, a partition is fixedly connected to the bottom of the mounting seat, and the partitions are arranged at equal distances.

[0010] Preferably, four corners of the top of the mounting seat are provided with mounting holes, and the mounting holes are symmetrically arranged.

[0011] Preferably, a limiting groove is provided on the surface of the mounting seat, and the limiting groove is matched with the connecting block.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model can effectively improve the protective effect of the gearbox body through the protective cover, and the sound insulation cotton filled inside the mounting seat can effectively improve the sound insulation and noise reduction effect. When maintenance is required, by pulling the movable block, the movable block drives the limit column to move, and the limit column is separated from the inner cavity of the limit hole, so that the limit on the connecting block can be released, which is convenient for disassembly of the protective plate to achieve the effect of convenient maintenance. It can effectively solve the problem that the traditional gearbox structure lacks effective protection function during use, and does not have the noise reduction function, which is easy to affect the surrounding working environment. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0015] Figure 2 For this utility model Figure 1 A schematic diagram of the partially enlarged structure at center A;

[0016] Figure 3 It is a bottom view schematic diagram of the structure of the utility model;

[0017] Figure 4 It is a front view schematic diagram of the connecting seat structure of the utility model.

[0018] In the figure: 1. Mounting seat; 2. Gearbox body; 3. Cover plate; 4. Protective cover; 5. Connecting plate; 6. Transmission shaft; 7. Connecting seat; 8. Spring; 9. Movable block; 10. Limiting column; 11. Mounting slot; 12. Connecting block; 13. Limiting hole; 14. Sound insulation cotton; 15. Fastener; 16. Reinforcement rod; 17. Heat sink; 18. Heat sink strip; 19. Partition; 20. Mounting hole; 21. Limiting slot. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-4A gearbox structure for a four-wheel drive farm management machine includes a mounting seat 1, a gearbox body 2 is fixedly connected to the top of the mounting seat 1, a cover plate 3 is arranged on the top of the gearbox body 2, a protective cover 4 is fixedly connected to the top of the cover plate 3, a connecting plate 5 is fixedly connected to the right side of the gearbox body 2, a transmission shaft 6 is penetrated on the right side of the connecting plate 5, a connecting seat 7 is fixedly connected to the right side of the surface of the mounting seat 1, a spring 8 is fixedly connected to the right side of the inner cavity of the connecting seat 7, a movable block 9 is fixedly connected to the left side of the spring 8, a limiting column 10 is fixedly connected to the left side of the movable block 9, the left side of the limiting column 10 penetrates the inner cavity of the connecting seat 7 and extends to the outside of the connecting seat 7, a mounting groove 11 is opened at the bottom of the surface of the mounting seat 1, a protective plate is arranged in the inner cavity of the mounting groove 11, and the top of the protective plate is fixedly A connecting block 12 is fixedly connected, and a limiting hole 13 is provided on the right side of the connecting block 12. The limiting hole 13 is adapted to the limiting column 10. A sound insulation cotton 14 is fixedly connected to the bottom of the mounting seat 1. The protective cover 4 can effectively improve the protection effect of the gearbox body 2. The sound insulation cotton 14 filled inside the mounting seat 1 can effectively improve the sound insulation and noise reduction effect. When maintenance is required, the movable block 9 is pulled, and the movable block 9 drives the limiting column 10 to move, and the limiting column 10 is separated from the inner cavity of the limiting hole 13, thereby releasing the limit on the connecting block 12, facilitating the disassembly of the protective plate, and achieving the effect of convenient maintenance. It can effectively solve the problem that the traditional gearbox structure lacks effective protection function during use, and does not have the noise reduction function, which is easy to affect the surrounding working environment.

[0021] Fasteners 15 are provided at the four corners of the top of the cover plate 3 , and reinforcement rods 16 are fixedly connected to both sides of the surface of the protective cover 4 .

[0022] Through the above technical solution, by providing the fasteners 15 and the reinforcing rods 16 , the protective cover 4 can be installed while ensuring the protective strength of the protective cover 4 .

[0023] A heat sink 17 is fixedly connected to the surface of the gearbox body 2 , and a heat sink bar 18 is fixedly connected to the surface of the heat sink 17 .

[0024] Through the above technical solution, by providing the heat dissipation plate 17 and the heat dissipation strip 18 , the heat generated by the gearbox body 2 can be dissipated, thereby ensuring the normal operation of the gearbox body 2 .

[0025] The bottom of the mounting base 1 is fixedly connected with partitions 19 , and the partitions 19 are arranged at equal distances.

[0026] Through the above technical solution, by setting the partition 19, the sound insulation cotton 14 can be installed separately, thereby improving the soundproofing effect of the device.

[0027] Four corners of the top of the mounting seat 1 are provided with mounting holes 20 , and the mounting holes 20 are symmetrically arranged.

[0028] Through the above technical solution, by providing the mounting hole 20, the mounting seat 1 can be installed, thereby ensuring the stability of the gearbox structure.

[0029] A limiting groove 21 is formed on the surface of the mounting seat 1 , and the limiting groove 21 is matched with the connecting block 12 .

[0030] Through the above technical solution, by providing the limiting groove 21, the connection block 12 can be limited, thereby ensuring the stability of the connection of the connection block 12.

[0031] When in use, the protective cover 4 can effectively improve the protective effect of the gearbox body 2, and the sound insulation cotton 14 filled inside the mounting seat 1 can effectively improve the sound insulation and noise reduction effect. When maintenance is required, by pulling the movable block 9, the movable block 9 drives the limit column 10 to move, and the limit column 10 is separated from the inner cavity of the limit hole 13, and then the limit on the connecting block 12 can be released, which facilitates the disassembly of the protective plate and achieves the effect of convenient maintenance.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A gearbox structure for a four-wheel drive farmland management machine, comprising a mounting seat (1), characterized in that: The top of the mounting seat (1) is fixedly connected to a gearbox body (2), a cover plate (3) is provided on the top of the gearbox body (2), a protective cover (4) is fixedly connected to the top of the cover plate (3), a connecting plate (5) is fixedly connected to the right side of the gearbox body (2), a transmission shaft (6) is provided through the right side of the connecting plate (5), a connecting seat (7) is fixedly connected to the right side of the surface of the mounting seat (1), a spring (8) is fixedly connected to the right side of the inner cavity of the connecting seat (7), and a movable block (9) is fixedly connected to the left side of the spring (8), The left side of the movable block (9) is fixedly connected to a limiting column (10), the left side of the limiting column (10) penetrates the inner cavity of the connecting seat (7) and extends to the outside of the connecting seat (7), the bottom of the surface of the mounting seat (1) is provided with a mounting groove (11), the inner cavity of the mounting groove (11) is provided with a protective plate, the top of the protective plate is fixedly connected to a connecting block (12), the right side of the connecting block (12) is provided with a limiting hole (13), the limiting hole (13) is adapted to the limiting column (10), and the bottom of the mounting seat (1) is fixedly connected with a sound insulation cotton (14).

2. A gearbox structure for a four-wheel drive farmland management machine according to claim 1, characterized in that: Fasteners (15) are provided at the four corners of the top of the cover plate (3), and reinforcement rods (16) are fixedly connected to both sides of the surface of the protective cover (4).

3. The gearbox structure for a four-wheel drive farmland management machine according to claim 1, characterized in that: A heat sink (17) is fixedly connected to the surface of the gearbox body (2), and a heat sink strip (18) is fixedly connected to the surface of the heat sink (17).

4. The gearbox structure for a four-wheel drive farmland management machine according to claim 1, characterized in that: The bottom of the mounting seat (1) is fixedly connected with partitions (19), and the partitions (19) are arranged at equal distances.

5. The gearbox structure for a four-wheel drive farmland management machine according to claim 1, characterized in that: Four corners of the top of the mounting seat (1) are provided with mounting holes (20), and the mounting holes (20) are symmetrically arranged.

6. The gearbox structure for a four-wheel drive farmland management machine according to claim 1, characterized in that: A limiting groove (21) is provided on the surface of the mounting seat (1), and the limiting groove (21) is adapted to fit the connecting block (12).

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