CN216752709U - Ditching device is used in farmland - Google Patents

Abstract

The utility model discloses a ditching device for farmland, comprising; a tractor head; the depth adjusting mechanism is connected to the rear end of the tractor head; the ditching cutter is connected to the rear end of the depth adjusting mechanism; the ditching device for farmland is provided to overcome the problem that the ditching cutter of the existing ditching device is limited in height and is not easy to adjust the ditching depth.

Description

Ditching device is used in farmland

Technical Field

The utility model relates to a ditching device for a farmland.

Background

China breadth, the natural condition is complicated, in the aspect of agriculture, different areas have different requirements, especially paddy fields and dry lands, the agricultural technology has great difference on the requirements of agriculture, some crops adapting to various environments, such as field planting of potatoes, beans and vegetables, the ridging operation after ploughing is often adopted, so that the adaptability of the crops is improved, before planting, ditching is generally carried out through a ditching device, but the height of a ditching knife of the existing ditching device is directly limited to be not easy to adjust the ditching depth, inconvenience is brought to ditching work, and the ditching device for farmlands is provided aiming at the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a ditching device for farmlands, which solves the problem that the height of a ditching cutter of the existing ditching device is limited and the ditching depth is not easy to adjust.

The technical scheme for realizing the purpose is as follows: a ditching device for farmland comprises;

a tractor head;

the depth adjusting mechanism is connected to the rear end of the tractor head;

the ditching knife is connected to the rear end of the depth adjusting mechanism; and

and the rotary handle mechanism is arranged at the rear end of the upper end surface of the tractor head.

Preferably, the depth adjusting mechanism comprises a bearing plate, the lower end of the rear side wall of the tractor head is connected with the bearing plate, the left end and the right end of the upper end face of the bearing plate are respectively connected with a group of gear devices, two groups of gear devices are respectively and movably connected with a connecting plate, the rear ends of the two connecting plates are connected to a bearing frame, and the lower end of the bearing frame is connected with the ditching cutter; a first shaft is connected between the two connecting plates, a shaft sleeve is sleeved on the first shaft, a first shaft joint seat is connected to the upper end of the rear side wall of the tractor head, the first shaft joint seat is movably connected with one end of a first telescopic rod, and the other end of the first telescopic rod is connected to the shaft sleeve.

Preferably, the gear device comprises a motor, the bearing plate is connected with the motor, the output end of the motor is connected with a helical gear, the other end of the helical gear is movably connected with a second shaft connecting seat connected with the bearing plate, the left side and the right side of the helical gear on the bearing plate are respectively connected with a fixed seat, a second shaft penetrates through the two fixed seats, two ends of the second shaft protrude out of two sides of the two fixed seats, one section of the second shaft between the two fixed seats is connected with a disc gear, and the disc gear is meshed with the helical gear; the front end of the connecting plate is provided with a U-shaped groove, and two end parts of the U-shaped groove are connected to two ends of the second shaft protruding out of two sides of the two fixed seats.

Preferably, the rotary handle mechanism comprises a fixed pipe, the rear end of the upper end face of the tractor head is connected with the fixed pipe, a second telescopic rod is arranged in the fixed pipe, and four limiting grooves are formed in the upper end face of the fixed pipe at equal intervals in a circle; the lower end face of the buckle cover is connected with four limiting pieces at equal intervals, the four limiting pieces are matched with the four limiting grooves, a circular sinking platform is arranged in the center of the lower end face of the buckle cover, the bottom surface of the circular sinking platform is connected with a third shaft, the third shaft is movably connected with a rotating plate, and the upper end of a second telescopic rod is connected with the lower end face of the rotating plate; two handles are connected to two sides of the buckle cover.

Preferably, the ditching knife is L-shaped.

The utility model has the beneficial effects that: two groups of gear devices are respectively and movably connected with a connecting plate, the rear ends of the two connecting plates are connected to a bearing frame, and the lower end of the bearing frame is connected with a ditching cutter; connect a primary shaft between two connecting plates, the axle sleeve is cup jointed on the primary shaft, primary shaft connection seat is connected to lateral wall upper end behind the tractor aircraft nose, the one end of the first telescopic link of primary shaft seat swing joint, the other end of first telescopic link is connected on the axle sleeve, can control the depth of ditching sword ditching through the synchronous operation control of gear and first telescopic link, also can promote the ditching sword when not ditching, make the ditching sword not contact with ground.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is an enlarged view at A in FIG. 1;

FIG. 3 is a detail view of the rotating handle mechanism of the present invention;

fig. 4 is a cross-sectional view of the closure of the present invention.

In the figure: 1. a tractor head; 2. a ditching cutter; 3. a carrier plate; 4. a gear arrangement; 41. a motor; 42. a helical gear; 43. a second bearing seat; 44. a fixed seat; 45. a disc gear; 46. a second shaft; 5. a connecting plate; 6. a receiving frame; 7. a first shaft; 8. a shaft sleeve; 9. a first telescopic rod; 10. a first bearing seat; 11. a U-shaped groove; 12. a fixed tube; 13. a limiting groove; 14. a second telescopic rod; 15. covering; 16. a limiting member; 17. rotating the plate; 18. a third axis; 19. a handle; 20. a circular sinking platform.

Detailed Description

The technical scheme of the utility model is clearly and completely described in the following with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance.

The utility model will be further explained with reference to the drawings.

As shown in fig. 1-4, a furrowing device for agricultural fields comprises; the device comprises a tractor head 1, a depth adjusting mechanism, a ditching cutter 2 and a rotary handle mechanism; the depth adjusting mechanism is connected to the rear end of the tractor head 1; the ditching cutter 2 is connected to the rear end of the depth adjusting mechanism; the rotary handle mechanism is arranged at the rear end of the upper end surface of the tractor head 1.

Specifically, the depth adjusting mechanism comprises a bearing plate 3, a tractor head 1 is an existing device, and the model of the tractor head is LZ-S404; the lower end of the rear side wall of a tractor head 1 is connected with a bearing plate 3, the left end and the right end of the upper end face of the bearing plate 3 are respectively connected with a group of gear devices 4, the two groups of gear devices 4 are respectively and movably connected with a connecting plate 5, the rear ends of the two connecting plates 5 are connected on a bearing frame 6, and the lower end of the bearing frame 6 is connected with a ditching cutter 2; a first shaft 7 is connected between the two connecting plates 5, a shaft sleeve 8 is sleeved on the first shaft 7, a first shaft connecting seat 10 is connected to the upper end of the rear side wall of a tractor head 1, the first shaft connecting seat 10 is movably connected with one end of a first telescopic rod 9, the other end of the first telescopic rod 9 is connected to the shaft sleeve 8, the ditching cutter 2 is L-shaped, the gear device 4 comprises a motor 41, a motor 41 is connected to the bearing plate 3, the output end of the motor 41 is connected with a helical gear 42, the other end of the helical gear 42 is movably connected to a second shaft connecting seat 43 connected to the bearing plate 3, the left side and the right side of the helical gear 42 on the bearing plate 3 are respectively connected with a fixed seat 44, a second shaft 46 penetrates through the two fixed seats 44, the two ends of the second shaft 46 protrude out of the two fixed seats 44, one section of the second shaft 46 located between the two fixed seats 44 is connected with a disc gear 45, and the disc gear 45 is meshed with the helical gear 42; the front end of the connecting plate 5 is provided with a U-shaped groove 11, two end parts of the U-shaped groove 11 are connected with two ends of a second shaft 46 which protrude out of two sides of two fixed seats 44, a motor 41 rotates reversely to drive a helical gear 42 to rotate reversely, the helical gear 42 rotates reversely to drive a disc gear 45 to rotate, at the moment, a first telescopic rod 9 extends out to enable the connecting plate 5 to move downwards, so that the ditching knife 2 is inserted into the ground downwards, and the tractor head 1 moves forwards to enable the ditching knife 2 to ditch; after the ditching is finished, the first telescopic rod 9 is retracted, and the two motors 41 rotate positively to enable the connecting plate 5 to be lifted upwards, so that the ditching cutter 2 is not in contact with the ground.

Specifically, the rotary handle mechanism comprises a fixed pipe 12, the rear end of the upper end face of the tractor head 1 is connected with the fixed pipe 12, a second telescopic rod 14 is arranged inside the fixed pipe 12, and four limiting grooves 13 are formed in the upper end face of the fixed pipe 12 at equal intervals in a circle; the lower end face of the buckle cover 15 is connected with four limiting pieces 16 at equal intervals, the four limiting pieces 16 are matched with the four limiting grooves 13, the center of the lower end face of the buckle cover 15 is provided with a circular sinking platform 20, the bottom face of the circular sinking platform 20 is connected with a third shaft 18, the third shaft 18 is movably connected with a rotating plate 17, and the upper end of a second telescopic rod 14 is connected with the lower end face of the rotating plate 17; two handles 19 are connected in buckle 15 both sides, start second telescopic link 14 and make four locating parts 16 upwards promote and leave four spacing grooves 13, hand handle 19 rotates this moment, the handle 19 that will be located tractor aircraft nose 1 dead astern rotates tractor aircraft nose 1 oblique rear, second telescopic link 14 shrink this moment is retrieved four locating parts 16 and is taken four spacing grooves 13 in, when seting up shallower ditch, the staff is at tractor aircraft nose 1 rear control handle 19, cover earth again with the ditch of seting up just easily, rotate tractor aircraft nose 1 oblique rear with handle 19 through rotatory handle mechanism, can avoid the staff foot to step on the ditch of seting up just.

The working principle is as follows: the two motors 41 are started, the bevel gear 42 is driven to rotate reversely by the reverse rotation of the motors 41, the disc gear 45 is driven to rotate by the reverse rotation of the bevel gear 42, the first telescopic rod 9 extends to enable the connecting plate 5 to move downwards, the ditching cutter 2 is enabled to be inserted into the ground downwards, the tractor head 1 moves forwards to enable the ditching cutter 2 to ditch, the first telescopic rod 9 is retracted after ditching is completed, and the connecting plate 5 is enabled to be lifted upwards by the forward rotation of the two motors 41, so that the ditching cutter 2 is not in contact with the ground; start second telescopic link 14 and make four locating parts 16 upwards promote and leave four spacing grooves 13, hand handle 19 rotates this moment, the handle 19 that will be located tractor aircraft nose 1 dead astern rotates tractor aircraft nose 1 oblique rear, second telescopic link 14 shrink this moment is retrieved four locating parts 16 and is taken four spacing grooves 13 in, when seting up shallower ditch, the staff is at tractor aircraft nose 1 rear control handle 19, cover earth again with the ditch of seting up just easily, rotate handle 19 to tractor aircraft nose 1 oblique rear through rotatory handle mechanism, can avoid the staff foot to step on the ditch of seting up just.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (4)

1. A ditching device for farmland is characterized by comprising;

a tractor head (1);

the depth adjusting mechanism is connected to the rear end of the tractor head (1);

a ditching knife (2) connected to the rear end of the depth adjusting mechanism; and

the rotary handle mechanism is arranged at the rear end of the upper end surface of the tractor head (1);

the depth adjusting mechanism comprises a bearing plate (3), the lower end of the rear side wall of the tractor head (1) is connected with the bearing plate (3), the left end and the right end of the upper end face of the bearing plate (3) are respectively connected with a group of gear devices (4), two groups of gear devices (4) are respectively and movably connected with a connecting plate (5), the rear ends of the two connecting plates (5) are connected onto a bearing frame (6), and the lower end of the bearing frame (6) is connected with the ditching cutter (2); two connect a primary shaft (7) between connecting plate (5), cup joint axle sleeve (8) on primary shaft (7), first hub seat (10) is connected to tractor aircraft nose (1) rear side wall upper end, the one end of first telescopic link (9) of first hub seat (10) swing joint, the other end of first telescopic link (9) is connected on axle sleeve (8).

2. Furrowing device for agricultural fields, according to claim 1, characterized in that the gear unit (4) comprises an electric motor (41), the bearing plate (3) is connected with the motor (41), the output end of the motor (41) is connected with the helical gear (42), the other end of the bevel gear (42) is movably connected on a second shaft joint seat (43) connected on the bearing plate (3), the left side and the right side of the bevel gear (42) on the bearing plate (3) are respectively connected with a fixed seat (44), a second shaft (46) passes through the two fixed seats (44), two ends of the second shaft (46) are projected on two sides of the two fixed seats (44), a section of the second shaft (46) between the two fixed seats (44) is connected with a disc gear (45), and the disc gear (45) is meshed with the helical gear (42); the front end of the connecting plate (5) is provided with a U-shaped groove (11), and two end parts of the U-shaped groove (11) are connected to two ends of the second shaft (46) protruding out of two sides of the two fixed seats (44).

3. The ditching device for farmlands according to claim 1, wherein the rotating handle mechanism comprises a fixed pipe (12), the rear end of the upper end surface of the tractor head (1) is connected with the fixed pipe (12), a second telescopic rod (14) is arranged inside the fixed pipe (12), and four limiting grooves (13) are formed in the upper end surface of the fixed pipe (12) at equal intervals around the circumference; the lower end face of the buckle cover (15) is connected with four limiting pieces (16) at equal intervals, the four limiting pieces (16) are matched with the four limiting grooves (13), the center of the lower end face of the buckle cover (15) is provided with a circular sinking platform (20), the bottom face of the circular sinking platform (20) is connected with a third shaft (18), the third shaft (18) is movably connected with a rotating plate (17), and the upper end of a second telescopic rod (14) is connected with the lower end face of the rotating plate (17); two handles (19) are connected to both sides of the buckle cover (15).

4. A furrowing device for agricultural fields as claimed in claim 1, wherein said furrowing blade (2) is L-shaped.

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