CN220173730U - Traction type disc harrow - Google Patents

Abstract

The utility model discloses a traction type disc harrow, which relates to the field of disc harrow manufacturing and comprises a main body frame, a disc harrow group and a notch harrow group which are arranged at the bottom end of the main body frame, a traction frame arranged above the disc harrow group, and a conversion mechanism arranged at the tail end of the traction frame, wherein the conversion mechanism comprises a rotating shaft, a conversion disc, a tire, a soil crushing roller and a driving hydraulic cylinder, the rotating shaft is rotatably arranged in the main body frame, the conversion disc is fixed at two ends of the rotating shaft and is in a boomerang-shaped structure, the conversion disc comprises a first group of equally-divided support legs, a second group of equally-divided support legs and a third group of equally-divided support legs, the tire is rotatably arranged at the outer side of the first group of equally-divided support legs, the soil crushing roller is arranged between the second group of equally-divided support legs, and a base of the driving hydraulic cylinder is hinged with the main body frame, and an extending end of the driving hydraulic cylinder is hinged with the third group of equally-divided support legs. The utility model can realize further crushing and leveling of soil body through the soil crushing roller, and is convenient for transportation when the disc harrow is not used.

Description

Traction type disc harrow

Technical Field

The utility model belongs to the field of disc harrow manufacturing, and particularly relates to a traction type disc harrow.

Background

The disc harrow is a traditional soil-turning farm tool in agricultural production, and is one of the necessary farm tools for farmers. The disc harrow uses groups of concave discs as working parts according to the principle of harrowing work, and the blade edge plane of the harrow blade is perpendicular to the ground and has an adjustable deflection angle with the advancing direction of the unit. When in operation, the harrow blades roll forward under the action of the traction force of the tractor and the soil reaction force, the cutting edges of the harrow blades cut into the soil, cut off grass roots and crop stubble, and enable the soil blocks to rise to a certain height along the concave surfaces of the harrow blades and then turn over and fall. The method can mix the fertilizer and pesticide on the surface with the soil on the surface, is widely used for shallow ploughing and stubble cleaning after crop harvest, soil moisture conservation in early spring, soil breaking after ploughing and the like, can also be used for seed covering operation after aircraft sowing, and can be divided into three types of single row, double row opposite type and offset type according to the arrangement form of rake groups. At present, the disc harrow is widely applied because the operations of harrowing, cutting and burying the crop stubbles, deep loosening and leveling the soil and the like can be completed at one time.

The Chinese patent with the patent number of CN207733190U discloses a disc harrow group, which guarantees the flatness of the soil after the work is finished by arranging a soil flattening mechanism, but the disc harrow group is inconvenient to move on the non-cultivated land because a moving mechanism is not arranged, and after the cultivation is finished, cultivation personnel are required to carry the disc harrow group to other places for carrying the disc harrow group on a transport vehicle, so that the waste of personnel and equipment is caused.

Therefore, how to provide a traction type disc rake which is convenient to move is a technical problem which needs to be solved by the person skilled in the art.

Disclosure of Invention

The utility model aims to provide a traction type disc harrow, which skillfully utilizes a rotary type conversion disc, and a soil crushing roller and tires are arranged on different groups of supporting legs of the conversion disc, so that the traction type disc harrow can be rapidly switched by driving a hydraulic cylinder, and is convenient to work and transport.

In order to achieve the above purpose, the utility model provides a traction type disc harrow, which is arranged at the bottom end of a main body frame, a disc harrow group and a notch harrow group, a traction frame is arranged on the main body frame, a conversion mechanism is arranged at the rear of the main body frame and comprises a rotating shaft, a conversion disc, a tire, a soil breaking roller and a driving hydraulic cylinder, the rotating shaft is arranged in the main body frame, the rotating shaft is rotationally connected with the main body frame, the conversion disc is fixed at two ends of the rotating shaft, the conversion disc is in a boomerang-shaped structure, the conversion disc is provided with a first group of equally dividing support legs, a second group of equally dividing support legs and a third group of equally dividing support legs, the third group of equally dividing support legs are arranged above the second group of equally dividing support legs and the first group of equally dividing support legs, the tire is arranged at the outer side of the first group of equally dividing support legs, the tire is rotationally connected with the first group of equally dividing support legs, the soil breaking roller is arranged between the second group of equally dividing support legs, the soil breaking roller is rotationally connected with the second group of equally dividing support legs, the base of the driving hydraulic cylinder is hinged with the main body frame, and the extending end of the driving hydraulic cylinder is hinged with the third group equally dividing support legs.

Further, a connecting fixing plate is arranged between the third group of equally-divided support legs, and the extending end of the driving hydraulic cylinder is hinged with the connecting fixing plate.

Further, still include supporting mechanism, supporting mechanism sets up the front end at main body frame, supporting mechanism includes sleeve, supporting leg and spacing bolt, evenly be provided with spacing hole on the supporting leg, the correspondence is provided with the locating hole on the sleeve, the supporting leg is installed in the sleeve, when spacing hole and locating hole are concentric, carries out spacingly through spacing bolt.

Further, the supporting mechanism is provided with two groups, which are respectively arranged at the left side and the right side of the main body frame.

Further, the soil crushing roller is a squirrel cage soil crushing roller.

The beneficial effects of the utility model are as follows:

the utility model has simple structure, can drive the hydraulic cylinder to realize the quick switching of the tires of the switching mechanism and the soil breaking roller, when the stubble cleaning cultivation is needed to be carried out on the soil, the extending end of the hydraulic cylinder is driven to extend, the soil breaking roller is rotated to the tail end of the traction type disc harrow, the soil can be further broken and flattened through the soil breaking roller, when the soil cultivation is finished, the extending end of the hydraulic cylinder is driven to stretch out and draw back, the tires are rotated downwards while the soil breaking roller is lifted upwards, the disc harrow is supported to be separated from the ground, the transportation of the disc harrow can be well facilitated, and the support mechanism is arranged, can provide support when the disc harrow is not used, and avoid the damage of the harrow edges.

Drawings

FIG. 1 is a schematic diagram of the main structure of the present utility model;

FIG. 2 is a view of another angular block diagram of the present utility model;

fig. 3 is a front view of the present utility model.

1, a main body frame; 2. a disk rake group; 3. notch rake group; 4. a traction frame; 5. a rotating shaft; 6. a switching plate; 601. a first set of equally spaced legs; 602. a second set of equally divided legs; 603. a third set of equally divided legs; 604. connecting a fixing plate; 7. a tire; 8. a soil crushing roller; 9. driving a hydraulic cylinder; 10. a sleeve; 11. support legs; 12. and a limit bolt.

Detailed Description

In order to achieve the above objects and effects, the present utility model adopts the technical means and structure, and the features and functions of the preferred embodiments of the present utility model will be described in detail with reference to the accompanying drawings.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "upper", "lower", "left", "right", "one side", "inner", "outer", "side", etc., are directions or positional relationships based on those shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples

As shown in fig. 1-2, this embodiment discloses a traction type disc rake, which comprises a main body frame 1, a disc rake group 2, a notch rake group 3, a traction frame 4 and a conversion mechanism, wherein the disc rake group 2 and the notch rake group 3 are respectively arranged at the bottom end of the main body frame 1 and used for cleaning stubble and crushing soil, the traction frame 4 is arranged above the main body frame 1 and used for traction of a tractor, and the conversion mechanism is arranged at the rear of the main body frame 1 and used for realizing rapid switching between a tire 7 and a soil crushing roller 8. The conversion mechanism comprises a rotating shaft 5, a conversion disc 6, tires 7, soil breaking rollers 8 and a driving hydraulic cylinder 9, wherein the rotating shaft 5 is arranged in a main body frame 1, the rotating shaft 5 is rotationally connected with the main body frame 1, the conversion disc 6 is fixed at two ends of the rotating shaft 5, the conversion disc 6 is of a boomerang type structure, two conversion discs 6 are provided with a first group of dividing legs 601, a second group of dividing legs 602 and a third group of dividing legs 603, the third group of dividing legs 603 are located above the second group of dividing legs 602 and the first group of dividing legs 601, a connecting fixing plate 604 is arranged between the third group of dividing legs 603 and used for reinforcing the conversion disc structure and providing a fixing position of a hinged lug seat, the tires 7 are arranged on the outer sides of the first group of dividing legs 601, the tires 7 are rotationally connected with the first group of dividing legs 601, the soil breaking rollers 8 are rotationally connected with the second group of dividing legs 602, the soil breaking rollers 8 in the embodiment are squirrel cage type soil breaking rollers, further breaking and leveling of soil can not be achieved, and the base of the main body 9 is connected with the hinged lug seat 9 by the driving hydraulic cylinder, and the hinged lug seat is connected with the fixed end of the hinged lug seat.

As shown in fig. 3, when the pulling-type disc harrow needs to be moved, the extending end of the driving hydraulic cylinder 9 is contracted to pull the third group of equally dividing legs 603, so that the tyre 7 rotates downwards until the supporting is provided for the pulling-type disc harrow, thereby not only facilitating the movement of the pulling-type disc harrow, but also avoiding the damage of the harrow group knife edges.

As shown in fig. 1-3, in order to enable the traction type disc harrow to be conveniently placed after being separated from the tractor, the front end of the main body frame 1 is further provided with a supporting mechanism for supporting the front end of the disc harrow, the supporting mechanism comprises a sleeve 10, supporting legs 11 and limiting bolts 12, the sleeve 10 is welded on the left side and the right side of the front end of the main body frame 1 respectively, the supporting legs 11 are installed in the sleeve 10, the supporting legs 11 are uniformly provided with limiting holes, the sleeve 10 is correspondingly provided with positioning holes, when the limiting holes are concentric with the positioning holes, limiting is performed through the limiting bolts 12, and the extending height of the supporting legs 11 is conveniently adjusted through the arrangement of the limiting holes.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the technical scope of the present utility model, so that any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present utility model still fall within the scope of the technical solutions of the present utility model.

Claims (5)

1. The utility model provides a towed disc harrow, includes main body frame, sets up disc harrow group and breach harrow group in main body frame bottom, sets up the traction frame on main body frame, its characterized in that, main body frame's rear is provided with conversion mechanism, conversion mechanism includes pivot, change over disc, tire, soil breaking roller and drive pneumatic cylinder, the pivot sets up in main body frame, the pivot rotates with main body frame to be connected, the both ends at the pivot are fixed to the change over disc, the change over disc is for the structure of circling round, the change over disc is provided with first group's branch of dividing foot, second group branch of dividing foot and third group branch of dividing foot, the third group branch of dividing foot is located the top of second group branch of dividing foot and first group branch of dividing foot, the tire sets up the outside at first group branch of dividing foot, the tire is connected with first group branch of dividing foot rotation, the soil breaking roller sets up between the second group branch of dividing foot, the soil breaking roller is connected with second group branch of dividing foot rotation, the base and main body frame of drive pneumatic cylinder are articulated, the end of driving pneumatic cylinder is connected with the main body frame articulated, the branch of dividing foot of extending end and third group branch is articulated.

2. The pull-disc rake of claim 1, wherein a connecting and fixing plate is disposed between the third set of aliquoting legs, and the extending end of the driving hydraulic cylinder is hinged to the connecting and fixing plate.

3. The pull-type disc harrow according to claim 1, further comprising a supporting mechanism provided at a front end of the main body frame, wherein the supporting mechanism comprises a sleeve, supporting legs and a limiting bolt, wherein the supporting legs are uniformly provided with limiting holes, the sleeve is correspondingly provided with positioning holes, the supporting legs are installed in the sleeve, and limiting is performed by the limiting bolt when the limiting holes are concentric with the positioning holes.

4. A pull-type disc rake as claimed in claim 3, wherein the supporting means is provided in two groups, respectively provided at left and right sides of the main body frame.

5. The pull-type disc rake of claim 1, wherein the soil breaking roller is a squirrel cage soil breaking roller.