CN217957659U - Mechanized intertillage weeding device of ridge culture maize - Google Patents

Abstract

The utility model relates to a mechanized intertillage and weeding device for ridge-growing corn, which belongs to the field of agricultural machinery and equipment. It is characterized in that: drive motors are arranged at both ends of the top of the main frame (13), the motor shafts of the two drive motors are respectively connected to the input ends of the two transmission boxes, and the same number of motors are led out from the bottoms of the two transmission boxes. Several weeding knife mechanisms (6), the drive motors drive the corresponding weeding knife mechanisms (6) at the bottom of the transmission box to rotate, and the weeding knife mechanisms (6) drawn from the bottom of the two transmission boxes are respectively tilted at equal angles in opposite directions; Also be respectively provided with a group of soil loosening plows (7) at the rear end of each group of weeding knife mechanism (6). In this ridge-grown corn mechanized intertillage and weeding device, the weeding knife mechanism and the loosening plow are set up to remove the weeds on both sides of the plant and between the plants, and at the same time, the weeds between the rows are cleaned by the loosening plow , to achieve mechanical weeding while avoiding damage to plants.

Description

A mechanized intertillage and weeding device for ridge-growing corn

technical field

The utility model relates to a mechanized intertillage and weeding device for ridge-growing corn, which belongs to the field of agricultural machinery and equipment.

Background technique

Intertillage weeding is a very important link in the process of corn planting. Intertillage is to mechanically turn over the shallow surface soil, loosen the soil, remove weeds between crop rows and crop plants, increase the surface soil temperature, and make organic fertilizer Accelerates decomposition and diffusion. Intertillage and weeding are generally carried out after the soil has compacted after rain or irrigation, which can reduce the evaporation and loss of soil water and play the role of water storage and moisture conservation. Known weeding methods include manual weeding, chemical weeding, mechanical weeding, biological weeding, fire weeding, etc. Among them, manual weeding, chemical weeding, and mechanical weeding are widely used, while biological weeding and fire weeding are less used due to their high cost. Manual weeding is inefficient and labor-intensive, while chemical weeding causes pesticide residues in crops and pollutes the environment.

Mechanical weeding has the characteristics of high efficiency, low pollution and environmental protection, which can greatly reduce labor force and improve the soil environment. Moreover, with the rapid development of science and technology, automation and intelligent machinery have begun to be used in agricultural machinery, and mechanical weeding has gradually developed. However, there are still many problems in mechanical weeding. The existing weeding machinery mainly solves weeding between rows, but between seedlings Some weeds are very close to the plants, and the weeding machinery is difficult to control, and it is easy to damage the seedlings during the weeding process. Therefore, it is an urgent problem to be solved in this field to design a mechanical weeding scheme that can reduce the damage to the plants during the weeding process.

Contents of the invention

The technical problem to be solved by the utility model is: to overcome the deficiencies of the prior art, to provide a weeding knife mechanism and a soil loosening plow to remove the weeds on both sides of the plant and between the plants through the weeding knife mechanism. The soil plow cleans the weeds between the rows, and realizes the mechanized intertillage weeding device for ridge-cropping corn while avoiding damage to the plants.

The technical scheme adopted by the utility model to solve its technical problems is: the mechanized cultivating and weeding device for ridge-growing corn, which is characterized in that it includes a frame, and drive motors are respectively arranged at both ends of the top of the main frame of the frame. There are two transmission boxes on the front side, the motor shafts of the two drive motors are respectively connected with the input ends of the two transmission boxes, and several weeding knife mechanisms with the same number are drawn from the bottoms of the two transmission boxes respectively, and from the two transmission boxes. The weeding knife mechanisms drawn from the bottom are arranged alternately front and back and form multiple groups in one-to-one correspondence. The drive motor drives the corresponding weeding knife mechanism at the bottom of the transmission box to rotate, and the weeding knife mechanisms drawn from the bottom of the two transmission boxes respectively move to the opposite direction The direction is inclined at an equal angle; a group of soil loosening plows are respectively arranged at the rear end of each group of weeding knife mechanisms.

Preferably, the drive motors are respectively a left drive motor and a right drive motor, and the two transmission boxes are respectively a left transmission box and a right transmission box, and the motor shaft of the left drive motor passes through the left transmission belt and is located in the left transmission box. The driven wheel at the left end links to each other, and the motor shaft of the right drive motor links to each other with the driven wheel positioned at the right end of the right transmission box by the right drive belt.

Preferably, the transmission box includes a rectangular box body, a driven wheel is drawn from one end of the box body, and the transmission main shaft arranged horizontally inside the box body is coaxially fixed with the driven wheel; The knife mechanism corresponds to a plurality of active worms, and the active worm drives the corresponding weeding knife mechanism to rotate through the first intermediate gear and the second intermediate gear in turn.

Preferably, the first intermediate gear is located on the side of the corresponding driving worm, and a worm gear is coaxially fixed on the surface of the first intermediate gear, and the driving worm meshes with the worm gear corresponding to the surface of the first intermediate gear; The side of the gear is provided with an engaged second intermediate gear, and a driving bevel gear is coaxially fixed on the surface of the second intermediate gear, and the driving bevel gear drives the corresponding weeding knife mechanism to rotate.

Preferably, the weeding knife mechanism includes a rotating shaft, a driven bevel gear meshed with the driving bevel gear is provided at one end of the rotating shaft, and the other end of the rotating shaft is fixedly loaded into the upper port of the sleeve; The lower port is provided with a telescopic shaft, and a buffer spring is arranged between the rotating shaft and the telescopic shaft. The lower end of the telescopic shaft is a circular connecting disc, and a number of weeding knives are evenly inserted in the circumference of the connecting disc.

Preferably, a through groove is axially opened on the side of the sleeve, and a pin shaft passing through the through groove is arranged on the surface of the telescopic shaft.

Preferably, the loosening plow includes an arc-shaped loosening beam, and a loosening board is fixed at the lower end of the loosening beam; the loosening board is inclined at the bottom of the loosening beam, and the front end of the loosening board set with sharp corners;

The upper end of the loosening curved beam is provided with two fixed plates for fixing with the frame, one of the fixed plates is horizontally fixed on the top of the loosened curved beam, and the other fixed plate is arranged at intervals, and the two fixed plates pass through the surrounding Circle of multiple bolted connections.

Preferably, in the frame, the main frame is a vertically arranged rectangular frame, and a motor fixing plate for placing the driving motor is respectively fixed on the left and right ends of the upper beam of the main frame, and the lower beam of the main frame Front support beams are vertically fixed on the left and right sides of the front respectively, and the transmission box is fixed between the front support beams on both sides;

A plurality of road wheel brackets are fixed at the rear end face of the lower beam of the main frame at the same distance interval, and a soil loosening plow bracket is respectively fixed at the rear end of each road wheel bracket, and a soil loosening plow bracket is respectively fixed at the rear end of each soil loosening plow bracket. A set of soil loosening plows is fixed.

Preferably, a suspension is vertically fixed between the two front support beams, a connecting ring is provided on the front end of the suspension, and a reinforcing rib is also provided on the rear side of the suspension, and the front end of the reinforcing rib is fixed on the suspension. The top of the frame, the rear end of which is fixed on the middle part of the upper beam of the main frame.

Preferably, a traveling wheel is respectively provided at the bottom of each traveling wheel bracket, and the bracket for fixing the traveling wheel is elastically connected to the traveling wheel bracket through a spring.

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

1. In the mechanized intertillage and weeding device for corn on this ridge, by setting the weeding knife mechanism and the loosening plow, the weeds on both sides of the plant are removed by the weeding knife mechanism, and the weeds between the rows are cleaned by the loosening plow. Realized mechanical weeding while avoiding damage to plants.

2. The soil loosening plow located at the back of the weeding knife mechanism is embedded in the ground. When it moves forward under the tractor's traction, it drives the soil loosening plow to weed the weeds between the rows and achieve the effect of loosening the soil at the same time.

3. The mechanized intertillage and weeding device for corn ridge farming is hung behind the tractor and moves forward. The operator only needs to operate the tractor to ensure that the walking wheels walk between the corn rows to complete the weeding work. The corn weeding device is simple to operate, low in machine cost, easy for farmers to use, and greatly reduces the labor intensity of farmers.

4. The travel wheel is located at the rear side of the weeding knife mechanism, and the bracket for fixing the travel wheel is elastically connected with the travel wheel bracket through a spring, so as to facilitate the advancement on uneven road surfaces in the field.

Description of drawings

Fig. 1 is a front view of a mechanized intertillage and weeding device for ridge-growing corn.

Fig. 2 is a top view of the mechanized intertillage and weeding device for ridge-growing corn.

Fig. 3 is a right view of the mechanized intertillage and weeding device for ridge-growing corn.

Fig. 4 is a front view of the frame of the mechanized intertillage and weeding device for ridge-growing corn.

Fig. 5 is a top view of the frame of the mechanized intertillage and weeding device for ridge-growing corn.

Fig. 6 is a right view of the frame of the mechanized intertillage and weeding device for ridge-growing corn.

Fig. 7 is a front view of the transmission box of the mechanized intertillage and weeding device for ridge-growing corn.

Fig. 8 is a schematic structural diagram of the weeding knife mechanism of the mechanized intertillage and weeding device for ridge-growing corn.

Fig. 9 is a sectional view along A-A in Fig. 8 .

Fig. 10 is a front view of the soil loosening plow of the mechanized intertillage and weeding device for ridge-growing corn.

Fig. 11 is a top view of the soil loosening plow of the mechanized intertillage and weeding device for ridge-growing corn.

Among them: 1. Left drive belt 2. Left drive motor 3. Right drive box 4. Walking wheel 5. Suspension 6. Weeding knife mechanism 7. Soil loosening plow 8. Right drive motor 9. Right drive belt 10. Soil loosening plow Bracket 11, walking wheel bracket 12, left transmission box 13, main frame 14, reinforcing rib 15, motor fixing plate 16, fixed side plate 17, front support beam 18, driven wheel 19, box body 20, transmission spindle 21, driving worm 22, the first intermediate gear 23, driven bevel gear 24, rotating shaft 25, sleeve 26, telescopic shaft 27, weeding knife 28, buffer spring 29, fixed plate 30, loose soil curved beam 31, loose soil plate 32, the second middle gear.

detailed description

Fig. 1～11 is the preferred embodiment of the present utility model, below in conjunction with accompanying drawing 1～11 the utility model is described further.

As shown in Figures 1 to 3, a mechanized intertillage and weeding device for ridge-growing corn (hereinafter referred to as the weeding device) includes a frame, and the frame includes a main frame 13 vertically arranged on one side of the main frame 13. rack 5. A plurality of hanging rings are arranged on the side of the suspension 5 facing away from the main frame 13, and the weeding device is connected with the tractor through slip rings. When the tractor is moving in the field, the weeding device is pulled to advance in the field and complete weeding. In this weeding mechanism, the direction of travel is defined as the front side of this weeding mechanism.

Two driving motors are respectively arranged on both sides of the upper part of the main frame 13: a left driving motor 2 and a right driving motor 8, and two transmission boxes are arranged side by side between the main frame 13 and the suspension 5: the left transmission box 12 and Right drive box 3, left drive motor 2 links to each other by the input end of left drive belt 1 and left drive box 12, and right drive motor 8 links to each other by the input end of right drive belt 9 and right drive box 3. A plurality of weeding knife mechanisms 6 are drawn side by side along the length direction of the left transmission box 12 at the bottom of the left transmission box 12, and a plurality of weeding knife mechanisms 6 are drawn side by side at the bottom of the right transmission box 3 along the length direction of the right transmission box 3 .

A plurality of weeding knife mechanisms 6 drawn from the bottom of the left transmission case 12 correspond one-to-one to be positioned at the rear side of a plurality of weeded knife mechanisms 6 drawn from the bottom of the right transmission case 3, and a plurality of weeding knife mechanisms drawn from the bottom of the left transmission box 12 6 are inclined to the same side with the same angle of inclination respectively, and a plurality of weeding knife mechanisms 6 drawn from the bottom of the right transmission case 3 are inclined to the opposite side with the same angle of inclination respectively. The opposite two weeding knife mechanisms 6 drawn out from the left transmission case 12 and the right transmission case 3 respectively in the opposite inclination direction are a group.

A plurality of road wheel brackets 11 are drawn horizontally at intervals from the rear side of the main frame 13, and a road wheel 4 is respectively installed at the bottom of each road wheel bracket 11. Walking wheel 4 is positioned at the rear side of weeding knife mechanism 6, and the support that is used to fix walking wheel 4 is elastically connected with walking wheel support 11 by spring, so that advance on uneven road surface in the field.

A soil loosening plow support 10 is respectively connected to the rear portion of each road wheel support 11, and two soil loosening plows 7 are respectively installed at the bottom of each soil loosening plow support 10. Two loosening plows 7 that are fixed on the same loosening plow support 10 are arranged at intervals front and back, wherein the loosening plow 7 of the rear side is positioned at the oblique rear of the front side loosening plow 7 .

4 to 6, in the frame, the main frame 13 is a vertically arranged rectangular frame, and a motor fixing plate 15 is horizontally fixed on the left and right ends of the beam on the main frame 13, and the left drive motor 2 and the right drive The motors 8 are respectively fixed on the surfaces of the motor fixing plates 15 on the corresponding sides. Front support beams 17 are fixed vertically forward respectively on the left and right sides of the lower beam of the main frame 13. The above-mentioned suspension 5 is an isosceles trapezoidal frame. Fixed, the above-mentioned connecting rings for connecting with the tractor are provided with three, respectively located at the top corner of the suspension 5 isosceles trapezoid and both sides of the bottom edge of the isosceles trapezoid. Also be provided with stiffener 14 at the rear side of suspension 5, the front end of stiffener 14 is fixed on the rear side of suspension 5 vertex places, and its rear end is fixed on the middle part of main frame 13 upper beams.

A fixed side plate 16 is vertically fixed on the inner sides of the two front support beams 17, and the fixed side plates 16 at both ends are arranged alternately front and rear. Between the beams 17, the right transmission case 3 is fixed between the fixed side plate 16 on the front side and its opposite front support beam 17.

The above-mentioned road wheel brackets 11 are fixed at the rear end face of the main frame 13 lower beams at the same distance interval, and the front ends of the soil loosening plow brackets 10 corresponding to the road wheel brackets 11 are fixed on the back of the corresponding loose soil plow brackets 10. end, the rear end of the loose soil plow support 10 is vertically bent into an "L" shape.

The internal structure of above-mentioned left transmission case 12 and right transmission case 3 is identical, and its difference is only that the inclination direction of weeding knife mechanism 6 is different, and the internal structure of left transmission case 12 or right transmission case 3 is as shown in Figure 7: comprises rectangular A box body 19, the two ends of the box body 19 are respectively fixed between the fixed side plate 16 and its opposite front support beam 17. A driven wheel 18 is drawn from one end of the casing 19, and the driven wheel 18 of the left transmission case 12 is drawn from the left end of its casing 19, and links to each other with the left transmission belt 1; The right end of the lead is drawn, and links to each other with the right transmission belt 9.

A transmission main shaft 20 is coaxially fixed at the center of the driven wheel 18 , and the transmission main shaft 20 is laterally loaded into the casing 19 and arranged along its length in the casing 19 . A plurality of drive worms 21 corresponding to the weeding knife mechanism 6 are arranged at intervals on the surface of the transmission main shaft 20, and a first intermediate gear 22 is arranged on the side of each drive worm 21, and the surface of the first intermediate gear 22 is the same The shaft is fixed with a worm gear, and the driving worm 21 meshes with the worm gear corresponding to the surface of the first intermediate gear 22 . A second intermediate gear 32 meshing with the first intermediate gear 22 is arranged on the side of the first intermediate gear 22 , and a driving bevel gear is coaxially fixed on the surface of the second intermediate gear 32 . The weeding knife mechanism 6 is obliquely and rotatably packed into the casing 19 through a group of bearings arranged at intervals at its ends, and meshes with the driving bevel gear on the surface of the second intermediate gear 32 .

As shown in Figures 8 to 9, the weeding knife mechanism 6 includes a rotating shaft 24, and the end of the rotating shaft 24 is provided with a driven bevel gear 23. After the rotating shaft 24 enters the casing 19 of the left transmission case 12 or the right transmission case 3, the driven The bevel gear 23 meshes with the driving bevel gear corresponding to the surface of the second intermediate gear 32 . The other end of the rotating shaft 24 is loaded into the upper port of the sleeve 25 and coaxially fixed with the sleeve 25 . When the transmission main shaft 20 rotates, the driving worm 21 on its surface drives the worm gear on the surface of the first intermediate gear 22 to rotate, and the gear at the bottom of the first intermediate gear 22 rotates synchronously thereupon. When the first intermediate gear 22 rotates, it drives the gear at the bottom of the second intermediate gear 32 and the driving bevel gear on the surface of the gear to rotate synchronously. When the driving bevel gear rotates, the driven bevel gear 23 fixed coaxially with the rotating shaft 24 rotates to achieve The transmission main shaft 20 drives the weeding knife mechanism 6 to rotate.

A buffer spring 28 is arranged in the inner chamber of the sleeve 25 , and the telescopic shaft 26 is loaded into the sleeve 25 from the lower port of the sleeve 25 and contacts with the lower end of the buffer spring 28 . A through groove is axially opened on the side of the sleeve 25 , and a pin passing through the through groove is arranged on the surface of the telescopic shaft 26 , so there is no relative rotation in the circumferential direction between the telescopic shaft 26 and the sleeve 25 . The lower end of the telescopic shaft 26 is a circular connection plate, and a number of weeding knives 27 are evenly inserted into the circumference of the connection plate.

As shown in FIGS. 10-11 , the above-mentioned loosening plow 7 includes an arc-shaped loosening beam 30 , and a loosening plate 31 is fixed at the lower end of the loosening beam 30 . The soil scarifying board 31 is located at the bottom of the soil scarifying curved beam 30 obliquely, and a sharp angle is arranged at the front end of the soil scarifying board 31 . Two fixed plates 29 are arranged on the upper end of the loosening curved beam 30, wherein a fixed plate 29 is horizontally fixed on the top of the loosened soil curved beam 30, and another fixed plate 29 is arranged at intervals, and the two fixed plates 29 pass through the multiple circles of the circle. bolt connection. The soil loosening plow support 10 enters between two fixed plates 29 up and down, and the soil loosening plow 7 and the soil loosening plow support 10 are fixed by bolts.

The specific working process and working principle are as follows:

The tractor links to each other with this weeding device through suspension 5, and pulls this weeding device to advance in the field. When the weeding device is moving, the left drive motor 2 and the right drive motor 8 are turned on, and the left drive motor 2 and the right drive motor 8 drive the left transmission box 12 and the right transmission box 3 through the left transmission belt 1 and the right transmission belt 9 respectively. Work.

Left transmission box 12 and right transmission box 3 drive the weeding knife mechanism 6 that draws from its bottom to rotate by the transmission main shaft 20 in it respectively. Draw out from left transmission case 12 and right transmission case 3 respectively and each group of weeding knife mechanism 6 that is provided with before and after rotates and carry out weeding respectively from the left and right sides of plant, and the weeding knife 27 of weeding knife mechanism 6 ends turns into and enters ground to reach For the purpose of removing the weeds on both sides of the root of the plant, the rotation directions of the two weeding knife mechanisms 6 of each group are opposite, and rotate clockwise and counterclockwise respectively, which can reduce the injury of the cage-shaped weeding knife to the corn plant.

The soil loosening plow 7 positioned at the rear side of the weeding knife mechanism 6 is embedded in the ground, and when moving forward under the traction of the tractor, the soil loosening plow 7 is driven to weed the weeds between the rows, and simultaneously achieve the effect of loosening the soil. The weeding device is suspended at the rear of the tractor, and the operator only needs to drive the tractor to ensure that the walking wheels 4 walk between the rows of corn to complete the weeding work. The corn weeding device is simple to operate, low in machine cost, easy for farmers to use, and greatly reduces the labor intensity of farmers.

The above is only a preferred embodiment of the utility model, and is not intended to limit the utility model in other forms. Any skilled person who is familiar with this profession may use the technical content disclosed above to change or remodel it into an equivalent change. Equivalent embodiment. However, any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present utility model without departing from the content of the technical solution of the utility model still belong to the protection scope of the technical solution of the utility model.

Claims (10)

1. A mechanized intertillage weeding device of ridge culture maize which characterized in that: the weeding machine comprises a rack, wherein two ends of the top of a main frame (13) of the rack are respectively provided with a driving motor, two transmission boxes are arranged on the front side of the main frame (13), motor shafts of the two driving motors are respectively connected with input ends of the two transmission boxes, a plurality of weeding cutter mechanisms (6) with the same quantity are respectively led out from the bottoms of the two transmission boxes, the weeding cutter mechanisms (6) led out from the bottoms of the two transmission boxes are staggered from front to back and form a plurality of groups in a one-to-one correspondence manner from front to back, the driving motors drive the weeding cutter mechanisms (6) at the bottoms of the corresponding transmission boxes to rotate, and the weeding cutter mechanisms (6) led out from the bottoms of the two transmission boxes are respectively inclined at equal angles in opposite directions; the rear end of each group of weeding cutter mechanism (6) is also respectively provided with a group of scarification plows (7).

2. The mechanized intertillage weeding device for ridge-planted corn according to claim 1, wherein: the driving motor be left driving motor (2) and right driving motor (8) respectively, two transmission casees be left transmission case (12) and right transmission case (3) respectively, the motor shaft of left driving motor (2) link to each other with following driving wheel (18) that are located left transmission case (12) left end through left driving belt (1), the motor shaft of right driving motor (8) link to each other with following driving wheel (18) that are located right transmission case (3) right-hand member through right driving belt (9).

3. The mechanized intertillage weeding device for ridge-planted corn according to claim 1 or 2, wherein: the transmission case comprises a rectangular case body (19), a driven wheel (18) is led out from one end of the case body (19), and a transmission main shaft (20) transversely arranged in the case body (19) is coaxially fixed with the driven wheel (18); a plurality of driving worms (21) which are in one-to-one correspondence with the weeding cutter mechanisms (6) are arranged on the surface of the transmission main shaft (20) at intervals, and the driving worms (21) drive the corresponding weeding cutter mechanisms (6) to rotate sequentially through the first intermediate gear (22) and the second intermediate gear (32).

4. The mechanized intertillage weeding device for ridge-planted corn of claim 3, wherein: the first intermediate gear (22) is positioned at the side part of the corresponding driving worm (21), a worm wheel is coaxially fixed on the surface of the first intermediate gear (22), and the driving worm (21) is meshed with the worm wheel on the surface of the corresponding first intermediate gear (22); a second intermediate gear (32) which is meshed with the first intermediate gear (22) is arranged on the side of the first intermediate gear, and a driving bevel gear is coaxially fixed on the surface of the second intermediate gear (32) and drives the corresponding weeding cutter mechanism (6) to rotate.

5. The mechanized intertillage weeding device for ridge-planted corn of claim 4, wherein: the weeding cutter mechanism (6) comprises a rotating shaft (24), a driven bevel gear (23) meshed with the driving bevel gear is arranged at one end of the rotating shaft (24), and the other end of the rotating shaft (24) is fixedly installed in the upper port of a sleeve (25); the lower port of the sleeve (25) is provided with a telescopic shaft (26), a buffer spring (28) is arranged between the rotating shaft (24) and the telescopic shaft (26), the lower end of the telescopic shaft (26) is a circular connecting disc, and a plurality of weeding knives (27) are uniformly inserted and connected on the periphery of the connecting disc.

6. The mechanized intertillage weeding device for ridge-planted corn according to claim 5, wherein: a through groove is axially formed in the side part of the sleeve (25), and a pin shaft penetrating through the through groove is arranged on the surface of the telescopic shaft (26).

7. The mechanized intertillage weeding device for ridge-planted corn according to claim 1, wherein: the soil loosening plough (7) comprises an arc-shaped soil loosening camber beam (30), and a soil loosening plate (31) is fixed at the lower end of the soil loosening camber beam (30); the soil loosening plate (31) is obliquely positioned at the bottom of the soil loosening camber beam (30), and a sharp corner is arranged at the front end of the soil loosening plate (31);

the upper end of the scarification camber beam (30) is provided with two fixing plates (29) used for being fixed with the frame, one fixing plate (29) is horizontally fixed at the top of the scarification camber beam (30), the other fixing plate (29) is arranged at intervals, and the two fixing plates (29) are connected through a plurality of bolts on the periphery.

8. The mechanized intertillage and weeding device for ridge-planted corn according to claim 1, wherein: in the machine frame, a main frame (13) is a vertically arranged rectangular frame body, a motor fixing plate (15) for placing a driving motor is respectively fixed at the left end and the right end of an upper cross beam of the main frame (13), front support beams (17) are respectively and vertically fixed forwards at the left side and the right side of a lower cross beam of the main frame (13), and a transmission case is fixed between the front support beams (17) at the two sides;

a plurality of walking wheel supports (11) are fixed on the rear end face of a lower cross beam of the main frame (13) at the same distance interval, a soil loosening plough support (10) is fixed at the rear end of each walking wheel support (11), and a group of soil loosening ploughs (7) are fixed at the rear end of each soil loosening plough support (10).

9. The mechanized intertillage and weeding device for ridge-planted corn according to claim 8, wherein: a suspension (5) is vertically fixed between the two front supporting beams (17), a connecting ring is arranged on the front end face of the suspension (5), a reinforcing rib (14) is further arranged on the rear side of the suspension (5), the front end of the reinforcing rib (14) is fixed to the top of the suspension (5), and the rear end of the reinforcing rib is fixed to the middle of an upper cross beam of the main frame (13).

10. The mechanized intertillage and weeding device for ridge-planted corn according to claim 8, wherein: the bottom of each walking wheel support (11) is respectively provided with a walking wheel (4), and a support for fixing the walking wheels (4) is elastically connected with the walking wheel supports (11) through springs.

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