Seed fertilizer transmission speed change device

Abstract

The utility model discloses a seed fertilizer transmission speed change device, which belongs to the technical field of transmission speed change, and comprises a gearbox main frame, six setting holes are arranged on the surface of the gearbox main frame, the setting holes are opposite in pairs, and a fertilizer power shaft is arranged between the two setting holes above the gearbox main frame. According to the seed and fertilizer transmission speed change device, the pull rod drives the chain tensioning device to rotate, the chain tensioning device pulls the spring to pull the fertilizer power shaft to adjust when rotating, plant spacing can be changed by slightly shifting the seed transmission chain to move on the surface of the speed change fluted disc, and meanwhile the seed power shaft is driven to rotate; the row spacing is adjusted through the control pull rod, the fertilizer power shaft is adjusted to enable the main transmission shaft and the seed power shaft to rotate, adjustment is conducted, operation is more coherent, operation is more convenient, the superiority of the device is improved, operation is more convenient, meanwhile, cost can be reduced, land cost is reduced, and efficiency is saved.

Description

Technical Field

[0001] The utility model belongs to the technical field of transmission and speed change, and specifically relates to a seed and fertilizer transmission and speed change device. Background Art

[0002] The seed and fertilizer transmission and speed change device is a key component in agricultural machinery for adjusting the sowing and fertilizing speeds. It can optimize the quantity and distribution of sowing and fertilizing according to different operating conditions and crop requirements. This device is of great significance for improving the accuracy of sowing and fertilizing, reducing waste, and enhancing operating efficiency.

[0003] The existing traditional seed and fertilizer transmission and speed change structure is very complex and costly. It consists of multiple speed changes and is very cumbersome to operate. When inexperienced staff operate it, it is very inconvenient. Content of the Utility Model

[0004] In order to overcome the above defects, the utility model provides a seed and fertilizer transmission and speed change device, which solves the problem that it is very cumbersome to operate and is very inconvenient for inexperienced staff to operate.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A seed and fertilizer transmission and speed change device, including a gearbox main frame. There are setting holes on the surface of the gearbox main frame. The number of the setting holes is six, and the setting holes are pairwise opposite. A fertilizer power shaft is arranged between two of the setting holes above the gearbox main frame. A seed power shaft is arranged between two of the setting holes in the middle of the gearbox main frame. A main transmission shaft is arranged between two of the setting holes below the gearbox main frame. A chain tensioning device is movably connected inside the gearbox main frame. The bottom end of the seed power shaft is movably connected to a seed transmission chain, and the other end of the seed transmission chain is movably connected to one end of the main transmission shaft. The bottom end of the seed power shaft is movably connected to a fertilizer transmission chain.

[0006] As a further scheme of the utility model: One end of the fertilizer transmission chain is movably connected to one end of the main transmission shaft, and a box cover is arranged on one side of the gearbox main frame.

[0007] As a further scheme of the utility model: The chain tensioning device includes a pull rod, and a connecting plate is fixedly installed at one end of the pull rod.

[0008] As a further scheme of the utility model: A pulling spring is arranged on one side of the connecting plate, and one end of the pulling spring is fixedly connected to the fertilizer power shaft.

[0009] As a further scheme of the utility model: Two groups of rotating rods are fixedly installed on one side of the connecting plate, and a rotating shaft is fixedly installed at the end of the two groups of rotating rods away from the connecting plate.

[0010] As a further solution of the utility model: the rotating shaft is rotatably connected to the inner wall of the gearbox main frame, and the middle end of the power shaft is fixedly connected with a speed change gear plate.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The seed-fertilizer transmission speed-changing device is provided with a pull rod, a chain tensioner, a pulling spring, and a fertilizer power shaft. The pull rod is first moved, and the chain tensioner is rotated by the pull rod. When the chain tensioner rotates, the pulling spring pulls the fertilizer power shaft for adjustment. The plant spacing can be changed by gently moving the seed transmission chain on the surface of the speed change gear plate, and the seed power shaft is driven to rotate at the same time. The plant spacing is adjusted by controlling the pull rod, and the fertilizer power shaft is adjusted to the main transmission shaft and the seed power shaft to rotate. Adjustment makes the operation more coherent and convenient, improves the superiority of the device, makes it more convenient to operate, and can also reduce costs and save costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the main frame and setting hole structure of the gearbox of the utility model;

[0015] Figure 3 This is a schematic diagram of the structure of the fertilizer power shaft, the seed power shaft and the main transmission shaft of the utility model;

[0016] Figure 4 This is a schematic diagram of the pull spring and pull rod structure of the utility model;

[0017] Figure 5 This is a schematic diagram of the structure of the transmission chain, fertilizer transmission chain and box cover of the utility model;

[0018] In the figure: 1. gearbox main frame; 2. fat power shaft; 3. seed power shaft; 4. chain tensioner; 5. main drive shaft; 6. seed drive chain; 7. fat drive chain; 8. box cover; 9. pull spring; 10. pull rod; 11. connecting plate; 12. rotating rod; 13. rotating shaft; 14. setting hole; 15. speed change gear plate. DETAILED DESCRIPTION

[0019] The technical solution of this patent is further described in detail below in conjunction with specific implementation methods.

[0020] like Figures 1-5As shown, the utility model provides a technical solution: a seed fertilizer transmission speed change device, comprising a gearbox main frame 1, a setting hole 14 is opened on the surface of the gearbox main frame 1, one end of the fertilizer transmission chain 7 is movably connected to one end of the main transmission shaft 5, and a box cover 8 is arranged on one side of the gearbox main frame 1. Through the setting of the box cover 8, the box cover 8 covers the gearbox main frame 1 to protect the structure inside the gearbox main frame 1;

[0021] The number of setting holes 14 is six, and the setting holes 14 are opposite to each other in pairs. A fat power shaft 2 is arranged between the two setting holes 14 above the gearbox main frame 1. A pulling spring 9 is arranged on one side of the connecting plate 11. One end of the pulling spring 9 is fixedly connected to the fat power shaft 2. Through the setting of the pulling spring 9, the pulling spring 9 can be adjusted to pull the fat power shaft 2 to rotate, so that the fat power shaft 2 can also be quickly reset after rotation;

[0022] A power shaft 3 is arranged between two setting holes 14 in the middle of the gearbox main frame 1, a main transmission shaft 5 is arranged between two setting holes 14 below the gearbox main frame 1, and a chain tensioning device 4 includes a pull rod 10, and a connecting plate 11 is fixedly installed at one end of the pull rod 10. Through the arrangement of the pull rod 10, it is convenient for the staff to pull the pull rod 10 to operate, so that the staff can get started faster;

[0023] A chain tensioner 4 is movably connected inside the gearbox main frame 1, a transmission chain 6 is movably connected to the bottom end of the power shaft 3, two sets of rotating rods 12 are fixedly installed on one side of the connecting plate 11, and a rotating shaft 13 is fixedly installed on one end of the two sets of rotating rods 12 away from the connecting plate 11. Through the setting of the rotating shaft 13, the rotating shaft 13 connects the gearbox main frame 1 and the chain tensioner 4, so that the chain tensioner 4 can be rotated conveniently;

[0024] The other end of the seed transmission chain 6 is movably connected to one end of the main transmission shaft 5, the bottom end of the seed power shaft 3 is movably connected to the fertilizer transmission chain 7, the rotating shaft 13 is rotatably connected to the inner wall of the gearbox main frame 1, and the middle end of the seed power shaft 3 is fixedly connected to the speed change gear plate 15. Through the setting of the speed change gear plate 15, the plant spacing can be changed by switching and toggling the seed transmission chain 6.

[0025] The working principle of the utility model is: first, the pull rod 10 is moved, and the pull rod 10 is used to rotate with the chain tensioner 4. When the chain tensioner 4 rotates, the connecting plate 11 pulls the spring 9 to drive the fertilizer power shaft 2 to rotate and adjust, and the seed transmission chain 6 is gently moved on the surface of the speed change gear plate 15 to adjust the position of the seed transmission chain 6 on the surface of the speed change gear plate 15 to achieve the purpose of adjusting the plant spacing. When the fertilizer power shaft 2 rotates, it is transmitted through the seed transmission chain 6 to adjust the rotation amplitude of the seed power shaft 3.

[0026] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood through specific circumstances.

[0027] The above detailed description is given to the preferred embodiments of the present patent. However, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the scope of knowledge of those of ordinary skill in the art.

Claims

1. Seed-fertilizer transmission speed-changing device, comprising a main frame of the gearbox (1), characterized in that: The surface of the main frame (1) of the gearbox is provided with setting holes (14). The number of the setting holes (14) is six, and the setting holes (14) are opposite to each other in pairs. A fertilizer power shaft (2) is arranged between the two setting holes (14) above the main frame (1) of the gearbox. A seed power shaft (3) is arranged between the two setting holes (14) in the middle of the main frame (1) of the gearbox. A main transmission shaft (5) is arranged between the two setting holes (14) below the main frame (1) of the gearbox. A chain tensioning device (4) is movably connected inside the main frame (1) of the gearbox. The bottom end of the seed power shaft (3) is movably connected with a seed transmission chain (6). The other end of the seed transmission chain (6) is movably connected to one end of the main transmission shaft (5). The bottom end of the seed power shaft (3) is movably connected with a fertilizer transmission chain (7).

2. The seed and fertilizer transmission and speed change device according to claim 1, characterized in that: One end of the fertilizer transmission chain (7) is movably connected to one end of the main transmission shaft (5). A box cover (8) is arranged on one side of the main frame (1) of the gearbox.

3. The seed-fertilizer transmission variable speed device according to claim 1, characterized in that: The chain tensioning device (4) includes a pull rod (10). A connecting plate (11) is fixedly installed at one end of the pull rod (10).

4. The seed and fertilizer transmission and speed change device according to claim 3, characterized in that: A pulling spring (9) is arranged on one side of the connecting plate (11). One end of the pulling spring (9) is fixedly connected with the fertilizer power shaft (2).

5. The seed-fertilizer transmission variable speed device according to claim 4, characterized in that: Two groups of rotating rods (12) are fixedly installed on one side of the connecting plate (11). A rotating shaft (13) is fixedly installed at the end of the two groups of rotating rods (12) far away from the connecting plate (11).

6. The seed and fertilizer transmission and speed change device according to claim 5, characterized in that: The rotating shaft (13) is rotationally connected with the inner wall of the main frame (1) of the gearbox. A speed change gear disc (15) is fixedly connected to the middle end of the seed power shaft (3).

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