Green manure crushing and returning device

Abstract

The utility model relates to the technical field of agricultural machinery, in particular to a green manure smashing and returning device. Comprising a vehicle body, a layered cutting mechanism is arranged at the front end of the vehicle body and used for cutting green manure, advancing wheels are installed in the middle of the bottom end of the vehicle body, a rotary blade is installed on the rear portion of the bottom end of the vehicle body and used for ploughing a field, and a soil covering mechanism is installed at the rear end of the vehicle body and used for bulldozing the ploughed field. The layering cutting mechanism is arranged at the front end of the vehicle body, layering and vertical cutting of green manure can be achieved, the situation that long green manure stems and leaves wind a rotary cutting knife is avoided, the smashing effect can be guaranteed, and then the effect of smashing and returning the green manure to the field is finally guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of agricultural machinery, in particular to a green manure crushing and returning device to the field. Background Art

[0002] Green manure is a fertilizer made from green plants. It is a complete biological fertilizer source. It is not only an effective way to increase fertilizer sources, but also has a great effect on improving soil. Green manure crushing and returning to the field means that after the green manure is planted, it is crushed and buried in the soil to improve the soil quality. This process requires a green manure crushing and returning device. A small green manure crushing and returning device disclosed in the Chinese utility model patent with announcement number CN217088676U can crush green manure, but during the operation, its crushing parts are easily entangled by the longer stems and leaves of the green manure, which seriously affects the crushing effect. Utility Model Content

[0003] In view of the problems existing in the above-mentioned prior art, the utility model discloses a green manure crushing and returning device to the field, and specifically discloses the following technical solutions:

[0004] A green manure crushing and returning device to the field comprises a vehicle body, a layered cutting mechanism is arranged at the front end of the vehicle body for cutting the green manure, a traveling wheel is installed at the middle part of the bottom end of the vehicle body, a rotary tiller is installed at the rear part of the bottom end of the vehicle body for plowing the field, and a soil covering mechanism is installed at the rear end of the vehicle body for flattening the plowed field.

[0005] Furthermore, the layered cutting mechanism includes a plurality of support frames, which are arranged side by side at the front end of the vehicle body, and each of the support frames includes a vertical support plate, one side of the vertical support plate is fixedly connected to the front end of the vehicle body, and the other side is fixedly connected to a plurality of support rods, the plurality of support rods are arranged in a vertical direction and their lengths gradually become shorter from top to bottom, and a knife shaft is rotatably installed at one end of the support rod away from the vertical support plate, and a rotating cutting knife is fixedly connected to the bottom of the knife shaft, and a driving motor is fixedly installed at the position of each support frame at the top of the front end of the vehicle body, and a transmission shaft is fixedly connected to the output shaft of the driving motor, and the transmission shaft sequentially penetrates downward through the plurality of support rods in the support frame and is respectively rotatably connected to the plurality of support rods, and the knife shaft on each support rod is transmission-connected to the transmission shaft through a transmission mechanism.

[0006] Furthermore, the transmission mechanism includes a first pulley, a second pulley and a transmission belt, the first pulley is fixedly connected to the upper part of the knife shaft, the second pulley is fixedly connected to the transmission shaft, the first pulley and the second pulley are located at the same height, and the first pulley and the second pulley are connected by a transmission belt.

[0007] Further, the soil covering mechanism includes a fixed mounting plate which is fixedly connected to the rear part of the vehicle body. An adjusting screw rod is disposed through the fixed mounting plate and is in threaded connection with the fixed mounting plate. The bottom end of the adjusting screw rod is rotatably installed with a movable mounting plate, and the bottom end of the movable mounting plate is connected with a soil covering plate through an elastic connecting member.

[0008] Further, a vertical guide post is fixedly connected to the top end of the movable mounting plate. The top end of the vertical guide post penetrates through the fixed mounting plate and is slidably connected with the fixed mounting plate.

[0009] Further, a limiting plate is fixedly connected to the top end of the vertical guide post.

[0010] Further, the elastic connecting member includes a telescopic rod and a spring. The telescopic rod includes a first connecting rod and a second connecting rod. The top end of the second connecting rod is slidably installed inside the bottom end of the first connecting rod. The top end of the first connecting rod is fixedly connected to the lower surface of the movable mounting plate. The bottom end of the second connecting rod is fixedly connected to the soil covering plate. The spring is sleeved on the telescopic rod, and its top end is fixedly connected to the movable mounting plate and its bottom end is fixedly connected to the soil covering plate.

[0011] Further, a pusher is fixedly connected to the rear part of the top end of the vehicle body.

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

[0013] In the present utility model, a layered cutting mechanism is arranged at the front end of the vehicle body, which can realize layered and vertical cutting of green manure, avoid the situation that long green manure stems and leaves wind around the rotary cutting knife, thereby ensuring the crushing effect and ultimately ensuring the effect of returning green manure to the field after crushing. Description of the Drawings

[0014] Figure 1 is the front view of the present utility model.

[0015] Figure 2 is the top view of the present utility model.

[0016] Figure 3 is Figure 1 the partial enlarged view at A in

[0017] 1 - Vehicle body, 2 - Traveling wheels, 3 - Vertical support plate, 4 - Support rod, 5 - Cutter shaft, 6 - Rotary cutting knife, 7 - Driving motor, 8 - Transmission shaft, 9 - First pulley, 10 - Second pulley, 11 - Transmission belt, 12 - Fixed mounting plate, 13 - Adjusting screw, 14 - Movable mounting plate, 15 - Soil covering plate, 16 - Vertical guide post, 17 - Limiting plate, 18 - Telescopic rod, 19 - Spring, 20 - Pusher, 21 - Rotary tillage knife. Detailed implementation manner

[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0019] Refer to Figures 1-3 , a green manure crushing and returning device to the field, including a vehicle body 1. A layered cutting mechanism is arranged at the front end of the vehicle body 1 for cutting green manure. Traveling wheels 2 are installed in the middle of the bottom end of the vehicle body 1. A rotary tillage knife 21 is installed at the rear part of the bottom end of the vehicle body 1 for tilling the field. A driving motor for driving the rotary tillage knife 21 to rotate is installed inside the vehicle body 1. A soil covering mechanism is installed at the rear end of the vehicle body 1 for leveling the tilled field.

[0020] In this embodiment, the layered cutting mechanism includes a plurality of support frames, which are arranged side by side at the front end of the vehicle body 1, and each support frame includes a vertical support plate 3, one side of the vertical support plate 3 is fixedly connected to the front end of the vehicle body 1, and the other side is fixedly connected to a plurality of support rods 4, the plurality of support rods 4 are arranged in the vertical direction and their lengths gradually shorten from top to bottom, and a knife shaft 5 is rotatably installed at one end of the support rod 4 away from the vertical support plate 3, and a rotating cutting knife 6 is fixedly connected to the bottom of the knife shaft 5, and a driving motor 7 is fixedly installed at the position of each support frame at the top of the front end of the vehicle body 1 corresponding to each support frame, and a transmission shaft 8 is fixedly connected to the output shaft of the driving motor 7, and the transmission shaft 8 sequentially penetrates downward through the plurality of support rods 4 in the support frame and is respectively rotatably connected to the plurality of support rods 4, and the knife shaft 5 on each support rod 4 is respectively connected to the transmission shaft 8 through a transmission mechanism. In this embodiment, the rotation plane of the rotary cutting knife 6 is perpendicular to the green manure stems and leaves, so that the green manure stems and leaves can be cut vertically, thereby preventing the green manure stems and leaves from being entangled with the rotary cutting knife 6, and the several rotary cutting knives 6 on each support frame are distributed in an inverted stepped shape, so in actual work, the uppermost rotary cutting knife 6 completes the cutting work first, and the lowermost rotary cutting knife 6 completes the cutting work last, that is, there is a sequence of cutting actions, which can achieve layered and segmented cutting of the green manure stems and leaves, thereby ensuring the cutting and crushing effect, and further avoiding the problem of longer green manure stems and leaves being entangled with the rotary cutting knife 6.

[0021] In this embodiment, the transmission mechanism includes a first pulley 9, a second pulley 10 and a transmission belt 11. The first pulley 9 is fixedly connected to the upper part of the knife shaft 5, the second pulley 10 is fixedly connected to the transmission shaft 8, the first pulley 9 and the second pulley 10 are located at the same height, and the first pulley 9 and the second pulley 10 are connected by the transmission belt 11.

[0022] In this embodiment, in order to prevent the cut green manure stems and leaves from falling onto the transmission mechanism and affecting its normal operation, a protective shell can be provided on the outside of the transmission mechanism, and the protective shell can be fixed on the corresponding support rod 4.

[0023] In this embodiment, the covering mechanism includes a fixed mounting plate 12, which is fixedly connected to the rear of the vehicle body 1, and an adjusting screw 13 is provided through the fixed mounting plate 12, and the adjusting screw 13 is threadedly connected to the fixed mounting plate 12, and a movable mounting plate 14 is rotatably mounted on the bottom end of the adjusting screw 13, and a covering plate 15 is connected to the bottom end of the movable mounting plate 14 through an elastic connector. The movable mounting plate 14 and the covering plate 15 can be driven to rise and fall by rotating the adjusting screw 13, and the covering plate 15 can be raised when the device is not working, thereby preventing the covering plate 15 from affecting the normal movement of the device.

[0024] In this embodiment, a vertical guide post 16 is fixedly connected to the top end of the movable mounting plate 14. The top end of the vertical guide post 16 penetrates through the fixed mounting plate 12 and is slidably connected to the fixed mounting plate 12, so as to ensure the stability of the movable mounting plate 14 during the up and down movement.

[0025] In this embodiment, a limiting plate 17 is fixedly connected to the top end of the vertical guide post 16. The arrangement of the limiting plate 17 can prevent the vertical guide post 16 from detaching from the fixed mounting plate 12.

[0026] In this embodiment, the elastic connecting member includes a telescopic rod 18 and a spring 19. The telescopic rod 18 includes a first connecting rod and a second connecting rod. The top end of the second connecting rod is slidably installed inside the bottom end of the first connecting rod. The top end of the first connecting rod is fixedly connected to the lower surface of the movable mounting plate 14. The bottom end of the second connecting rod is fixedly connected to the soil covering plate 15. The spring 19 is sleeved on the telescopic rod 18, and its top end is fixedly connected to the movable mounting plate 14, and its bottom end is fixedly connected to the soil covering plate 15. The arrangement of the elastic connecting member enables the soil covering plate 15 to achieve elastic up and down movement, so as to not only ensure the soil covering effect, but also prevent the soil covering plate 15 from being damaged by hard objects in the field.

[0027] In this embodiment, a pusher 20 is fixedly connected to the rear part of the top end of the vehicle body 1 to facilitate the staff to push the device forward.

[0028] The above is only a preferred embodiment of the present invention, and does not impose any limitation on the technical scope of the present invention. Therefore, any minor modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A green manure crushing and returning device, characterized in that, The vehicle comprises a vehicle body, the front end of which is provided with a layered cutting mechanism for cutting green manure, a traveling wheel is installed at the middle of the bottom end of the vehicle body, a rotary tiller is installed at the rear end of the bottom end of the vehicle body for plowing the field, and a soil covering mechanism is installed at the rear end of the vehicle body for flattening the plowed field.

2. The green manure crushing and returning device according to claim 1, characterized in that, The layered cutting mechanism includes a plurality of support frames, which are arranged side by side at the front end of the vehicle body, and each of the support frames includes a vertical support plate, one side of the vertical support plate is fixedly connected to the front end of the vehicle body, and the other side is fixedly connected to a plurality of support rods, the plurality of support rods are arranged in a vertical direction and their lengths gradually become shorter from top to bottom, and a knife shaft is rotatably installed at one end of the support rod away from the vertical support plate, and a rotating cutting knife is fixedly connected to the bottom of the knife shaft, and a driving motor is fixedly installed at the position of each support frame at the top of the front end of the vehicle body corresponding to the position of each support frame, and a transmission shaft is fixedly connected to the output shaft of the driving motor, and the transmission shaft sequentially penetrates downward through the plurality of support rods in the support frame and is respectively rotatably connected to the plurality of support rods, and the knife shaft on each support rod is transmission-connected to the transmission shaft through a transmission mechanism.

3. The green manure crushing and returning device according to claim 2, characterized in that, The transmission mechanism includes a first pulley, a second pulley and a transmission belt. The first pulley is fixedly connected to the upper part of the knife shaft, the second pulley is fixedly connected to the transmission shaft, the first pulley and the second pulley are located at the same height, and the first pulley and the second pulley are connected by a transmission belt.

4. A green manure crushing and returning device according to claim 1, characterized in that, The soil covering mechanism includes a fixed mounting plate, which is fixedly connected to the rear part of the vehicle body, an adjusting screw is provided through the fixed mounting plate, the adjusting screw is threadedly connected to the fixed mounting plate, a movable mounting plate is rotatably mounted on the bottom end of the adjusting screw, and the bottom end of the movable mounting plate is connected to the soil covering plate through an elastic connecting piece.

5. A green manure crushing and returning device according to claim 4, characterized in that, The top end of the movable mounting plate is fixedly connected with a vertical guide column, and the top end of the vertical guide column penetrates the fixed mounting plate and is slidably connected with the fixed mounting plate.

6. A green manure crushing and returning device according to claim 5, characterized in that, The top end of the vertical guide column is fixedly connected to a limiting plate.

7. A green manure crushing and returning device according to claim 4, characterized in that, The elastic connecting member includes a telescopic rod and a spring, the telescopic rod includes a first connecting rod and a second connecting rod, the top end of the second connecting rod is slidably installed inside the bottom end of the first connecting rod, the top end of the first connecting rod is fixedly connected to the lower surface of the movable mounting plate, and the bottom end of the second connecting rod is fixedly connected to the covering plate. The spring is sleeved on the telescopic rod, and its top end is fixedly connected to the movable mounting plate, and its bottom end is fixedly connected to the covering plate.

8. A green manure crushing and returning device according to claim 1, characterized in that, A push handle is fixedly connected to the rear portion of the top end of the vehicle body.

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