Agricultural rotary cultivator

Abstract

The utility model discloses an agricultural rotary cultivator which comprises a first shell, the bottom of the first shell is fixedly connected with a second shell, the interior of the second shell is rotationally connected with a first spline shaft, the first spline shaft is sleeved with a first horizontal gear, and the first horizontal gear is fixedly connected with the first spline shaft. A second spline shaft is rotationally connected to the position, located on one side of the first horizontal gear, in the second shell, and a third spline shaft is rotationally connected to the position, located on the other side of the first horizontal gear, in the second shell. Belongs to the technical field of rotary cultivators. According to the agricultural rotary cultivator, the double-layer box body is formed by the first shell and the second shell which are distributed up and down, the middle conveying link is reduced, the power conveying mode is simpler, two box bodies are omitted, maintenance work is more convenient, the maintenance cost can be reduced, two traditional transmission shafts are also omitted, grass clamping and mud pasting can be prevented in wet land, and the agricultural rotary cultivator is suitable for popularization and application. The situation that the machine is stuck is avoided, and the purposes of saving money, labor and oil are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of rotary tillers, and more specifically to an agricultural rotary tiller. Background Art

[0002] Some existing rotary tillers currently have three boxes, and power is transmitted between two adjacent boxes through a transmission shaft. The structure is too complicated, and the three boxes are prone to failure, so each of the three boxes needs maintenance, sometimes once a week, and sometimes oiling every two or three days. The overall maintenance cost is high. Therefore, we provide an agricultural rotary tiller. Utility Model Content

[0003] The purpose of the utility model is to provide an agricultural rotary tiller to solve the problems raised in the above background technology:

[0004] Some existing rotary tillers currently have three boxes, and power is transmitted between two adjacent boxes through a transmission shaft. The structure is too complicated, and the three boxes are prone to failure, so each of the three boxes needs maintenance, sometimes once a week, and sometimes oiling every two or three days. The overall maintenance cost is high.

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

[0006] A agricultural rotary tiller comprises a first shell, a second shell being fixedly connected to the bottom of the first shell, the first shell and the second shell being distributed up and down to form a double-layer box, a first spline shaft being rotatably connected inside the second shell, a first spur gear being sleeved outside the first spline shaft, the first spur gear being fixedly connected to the first spline shaft, a second spline shaft being rotatably connected inside the second shell and located on one side of the first spur gear, a third spline shaft being rotatably connected inside the second shell and located on the other side of the first spur gear, a second spur gear being sleeved outside the second spline shaft, the second spur gear being fixedly connected to the second spline shaft, a third spur gear being sleeved outside the third spline shaft, the third spur gear being fixedly connected to the third spline shaft, the second spur gear and the third spur gear both being meshed and connected to the first spur gear, and when the first spline shaft rotates, The second spline shaft is driven to rotate by the first slab gear and the second slab gear, and the third spline shaft is driven to rotate in cooperation with the third slab gear. The fourth spline shaft is rotatably connected to the side of the first housing close to the first slab gear, and the fifth spline shaft is rotatably connected to the side of the first housing away from the first slab gear. When the fifth spline shaft rotates, the fourth spline shaft is driven to rotate by the fifth slab gear and the fourth slab gear, and the fourth spline shaft drives the first spline shaft to rotate through the fourth slab gear and the first slab gear. The fourth spline shaft is externally sleeved with a fourth slab gear, and the fourth slab gear is fixedly connected to the fourth spline shaft. The fifth slab gear is externally sleeved with a fifth slab gear, and the fifth slab gear is fixedly connected to the fifth spline shaft. The first slab gear and the fifth slab gear are both meshed with the fourth slab gear, and all the spline shafts and the housing are preliminarily connected and supported by tapered bearings.

[0007] Preferably, a power shaft is detachably connected to the outside of the first shell body on one side close to the fifth spline shaft, and the power shaft is fixed to the first shell body by bolts. One end of the power shaft is fixedly connected to the first bevel gear, and a second bevel gear is sleeved on the outside of the fifth spline shaft and located between the first shell body and the fifth flat gear. The second bevel gear is fixedly connected to the fifth spline shaft, and the first bevel gear is meshingly connected to the second bevel gear. The power shaft transmits power to the fifth spline shaft through the first bevel gear and the second bevel gear, and finally the power is transmitted through the second spline shaft and the third spline shaft.

[0008] Preferably, a top cover is detachably connected to the top of the first shell, and a rectangular oil inlet is provided on the top of the first shell for pouring oil, and the oil inlet is blocked by the top cover.

[0009] Preferably, the internal thread of the top cover is connected with a bleed valve. When the user presses the bleed valve, the first shell and the second shell will be connected to the outside world. At this time, the high-temperature oil vapor generated by the operation of the internal accessories can be discharged in time.

[0010] Preferably, a sealing gasket is provided between the top cover and the first shell, and the top cover and the first shell are connected and fixed by multiple sets of bolts. In order to ensure the sealing between the top cover and the first shell, a sealing gasket is provided between the top cover and the first shell.

[0011] Preferably, an oil drain port is fixedly connected to the inner side of the first shell away from the power shaft. After the user opens the top cover on the top of the first shell, the oil can be poured into the first shell. After entering the first shell, the oil will flow downward into the second shell. As the oil in the first shell and the second shell increases, the liquid level will also become higher and higher. When the oil exceeds the oil drain port, the excess oil will be discharged from the oil drain port, thereby limiting the oil.

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

[0013] When the agricultural rotary tiller is in use, a double-layer housing is formed by a first housing and a second housing distributed up and down, which reduces intermediate transmission links and makes the power transmission method simpler. The removal of the two housings also makes maintenance more convenient and reduces maintenance costs. The two traditional transmission shafts are also omitted, which can prevent grass and mud from being caught in wetlands and avoid machine jamming, thereby achieving the purpose of saving money, labor and fuel. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0015] Figure 2 It is a structural schematic diagram of the power shaft of the utility model;

[0016] Figure 3 It is a schematic cross-sectional view of the whole of the utility model;

[0017] Figure 4 It is a structural schematic diagram of the second bevel gear of the utility model;

[0018] Figure 5 It is a structural schematic diagram of the second spline shaft of the utility model;

[0019] Figure 6 It is a schematic structural diagram of the third flat gear of the utility model.

[0020] Explanation of the numbers in the figure: 1. First housing; 2. Second housing; 3. First spline shaft; 4. First spur gear; 5. Second spline shaft; 6. Third spline shaft; 7. Second spur gear; 8. Third spur gear; 9. Fourth spline shaft; 10. Fifth spline shaft; 11. Fourth spur gear; 12. Fifth spur gear; 13. Power shaft; 14. First bevel gear; 15. Second bevel gear; 16. Top cover; 17. Air bleed valve; 18. Sealing gasket; 19. Oil drain port. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figures 1 to 6 , an agricultural rotary tiller, comprising a first shell 1, a second shell 2 is fixedly connected to the bottom of the first shell 1, a first spline shaft 3 is rotatably connected inside the second shell 2, a first spur gear 4 is sleeved on the outside of the first spline shaft 3, the first spur gear 4 is fixedly connected to the first spline shaft 3, a second spline shaft 5 is rotatably connected inside the second shell 2 and located on one side of the first spur gear 4, a third spline shaft 6 is rotatably connected inside the second shell 2 and located on the other side of the first spur gear 4, a second spur gear 7 is sleeved on the outside of the second spline shaft 5, the second spur gear 7 is fixedly connected to the second spline shaft 5, a third spur gear 8 is sleeved on the outside of the third spline shaft 6, the third spur gear 8 is fixedly connected to the third spline shaft 6, the second spur gear 7 and the third spur gear 8 are both meshed and connected with the first spur gear 4, and when the first spline shaft 3 rotates, the second spline shaft 5 is driven to rotate by the first spur gear 4 and the second spur gear 7. , and at the same time cooperate with the third flat gear 8 to drive the third spline shaft 6 to rotate, the fourth spline shaft 9 is rotatably connected to the side of the first housing 1 close to the first flat gear 4, and the fifth spline shaft 10 is rotatably connected to the side of the first housing 1 away from the first flat gear 4. When the fifth spline shaft 10 rotates, the fourth spline shaft 9 is driven to rotate through the fifth flat gear 12 and the fourth flat gear 11, and the fourth spline shaft 9 then drives the first spline shaft 3 to rotate through the fourth flat gear 11 and the first flat gear 4. The fourth spline shaft 9 is externally sleeved with a fourth flat gear 11, and the fourth flat gear 11 is fixedly connected to the fourth spline shaft 9. The fifth spline shaft 10 is externally sleeved with a fifth flat gear 12, and the fifth flat gear 12 is fixedly connected to the fifth spline shaft 10. The first flat gear 4 and the fifth flat gear 12 are both meshed and connected with the fourth flat gear 11, and all the spline shafts and the housing are preliminarily connected and supported by tapered bearings.

[0023] Furthermore, a power shaft 13 is detachably connected to one side of the outside of the first housing 1 close to the fifth spline shaft 10, one end of the power shaft 13 is fixedly connected to a first bevel gear 14, a second bevel gear 15 is sleeved on the outside of the fifth spline shaft 10 and located between the first housing 1 and the fifth flat gear 12, the second bevel gear 15 is fixedly connected to the fifth spline shaft 10, the first bevel gear 14 is meshingly connected to the second bevel gear 15, the power shaft 13 transmits power to the fifth spline shaft 10 through the first bevel gear 14 and the second bevel gear 15, and finally the power is transmitted through the second spline shaft 5 and the third spline shaft 6.

[0024] Furthermore, a top cover 16 is detachably connected to the top of the first shell 1. A rectangular oil inlet is provided on the top of the first shell 1 for pouring oil. The oil inlet is blocked by the top cover 16 to prevent debris from entering.

[0025] Furthermore, the internal thread of the top cover 16 is connected with a bleed valve 17. When the user presses the bleed valve 17, the first shell 1 and the second shell 2 will be connected to the outside. At this time, the high-temperature oil vapor generated by the operation of the internal accessories can be discharged in time to prevent the first shell 1 and the second shell 2 from being affected by the high-temperature oil vapor.

[0026] Furthermore, a sealing gasket 18 is provided between the top cover 16 and the first shell 1, and the top cover 16 and the first shell 1 are connected and fixed by multiple sets of bolts. In order to ensure the sealing between the top cover 16 and the first shell 1, a sealing gasket 18 is provided between the top cover 16 and the first shell 1, and the sealing gasket 18 strengthens the sealing between the top cover 16 and the first shell 1.

[0027] Furthermore, an oil drain port 19 is fixedly connected to the side of the interior of the first shell 1 away from the power shaft 13. After the user opens the top cover 16 on the top of the first shell 1, the oil can be poured into the first shell 1. After the oil enters the first shell 1, it will flow downward into the second shell 2. As the oil in the first shell 1 and the second shell 2 increases, the liquid level will also increase. When the oil exceeds the oil drain port 19, the excess oil will be discharged from the oil drain port 19, and the oil drain port 19 serves to limit the oil in the first shell 1 and the second shell 2.

[0028] The utility model uses the following steps: When the agricultural rotary tiller is in use, the power shaft 13 rotates, and the fifth spline shaft 10 in the first housing 1 is driven to rotate through the first bevel gear 14 and the second bevel gear 15. The fifth spline shaft 10 drives the fourth spline shaft 9 to rotate through the fifth flat gear 12 and the fourth flat gear 11. The fourth spline shaft 9 drives the first spline shaft 3 in the second housing 2 to rotate through the fourth flat gear 11 and the first flat gear 4. The first spline shaft 3 drives the second spline shaft 5 to rotate through the first flat gear 4 and the second flat gear 7. At the same time, the first spline shaft 3 drives the third spline shaft 6 to rotate through the first flat gear 4 and the third flat gear 8. Finally, the power is transmitted through the second spline shaft 5 and the third spline shaft 6. The power transmission method is simpler. The first housing 1 and the second housing 2 are distributed up and down and combined into a double-layer box body. Compared with the traditional three-box body, it is more convenient to maintain and also reduces the maintenance cost.

[0029] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. An agricultural rotary tiller, comprising a first housing (1), wherein a second housing (2) is fixedly connected to the bottom of the first housing (1), characterized in that: The interior of the second housing (2) is rotatably connected to a first spline shaft (3); the exterior of the first spline shaft (3) is sleeved with a first spur gear (4); the first spur gear (4) is fixedly connected to the first spline shaft (3); the interior of the second housing (2) and located on one side of the first spur gear (4) is rotatably connected to a second spline shaft (5); the interior of the second housing (2) and located on the other side of the first spur gear (4) is rotatably connected to a third spline shaft (6); the exterior of the second spline shaft (5) is sleeved with a second spur gear (7); the second spur gear (7) is fixedly connected to the second spline shaft (5); the exterior of the third spline shaft (6) is sleeved with a third spur gear (8); the third spur gear (8) is fixedly connected to the third spline shaft (6). The second spur gear (7) and the third spur gear (8) are both meshedly connected with the first spur gear (4); a fourth spline shaft (9) is rotatably connected to a side of the first housing (1) close to the first spur gear (4); a fifth spline shaft (10) is rotatably connected to a side of the first housing (1) away from the first spur gear (4); a fourth spur gear (11) is sleeved on the outside of the fourth spline shaft (9); the fourth spur gear (11) is fixedly connected to the fourth spline shaft (9); a fifth spur gear (12) is sleeved on the outside of the fifth spline shaft (10); the fifth spur gear (12) is fixedly connected to the fifth spline shaft (10); the first spur gear (4) and the fifth spur gear (12) are both meshedly connected to the fourth spur gear (11).

2. The agricultural rotary tiller according to claim 1, characterized in that: A power shaft (13) is detachably connected to a side of the first housing (1) close to the fifth spline shaft (10); one end of the power shaft (13) is fixedly connected to a first bevel gear (14); a second bevel gear (15) is sleeved on the outside of the fifth spline shaft (10) and located between the first housing (1) and the fifth flat gear (12); the second bevel gear (15) is fixedly connected to the fifth spline shaft (10); and the first bevel gear (14) is meshingly connected to the second bevel gear (15).

3. The agricultural rotary tiller according to claim 1, characterized in that: A top cover (16) is detachably connected to the top of the first shell (1).

4. The agricultural rotary tiller according to claim 3, characterized in that: The top cover (16) is internally threadedly connected with a deflation valve (17).

5. The agricultural rotary tiller according to claim 3, characterized in that: A sealing gasket (18) is provided between the top cover (16) and the first shell (1).

6. The agricultural rotary tiller according to claim 2, characterized in that: An oil drain port (19) is fixedly connected to a side of the first housing (1) away from the power shaft (13).

Images