CN113574985A

CN113574985A - Novel hydraulic non-stop device of furrow plough

Info

Publication number: CN113574985A
Application number: CN202110892118.XA
Authority: CN
Inventors: 郭彦锋; 王强; 常亚南
Original assignee: Zhengzhou Longfeng Agricultural Equipment Manufacturing Co ltd
Current assignee: Zhengzhou Longfeng Agricultural Equipment Manufacturing Co ltd
Priority date: 2021-07-28
Filing date: 2021-08-04
Publication date: 2021-11-02

Abstract

The invention discloses a novel hydraulic non-stop device of a furrow plough, relates to the technical field of agricultural machinery, and solves the problems that a traditional bolt is easy to break when contacting with an obstacle and the replacement time is long after the traditional bolt breaks in the prior art. The invention comprises a plow beam, wherein a variable connecting mechanism is arranged on the plow beam, and the variable connecting mechanism is connected with a plowshare mechanism; the variable connecting mechanism comprises plough body supports connected to the plough beams, symmetrically arranged plough bodies are connected to the plough body supports, the tail portions of the two plough bodies are connected through a hydraulic cylinder, and a supporting ball is connected between the two plough bodies. The invention changes the extension of the hydraulic cylinder by pressing to realize that the plough body automatically crosses the obstacle, thereby realizing the continuous operation of the plough body without stopping the machine, increasing the operation efficiency and improving the income; the time for replacing the safety bolt is saved, the operation efficiency can be greatly improved within the same time, the income is increased, and the improvement of the operation efficiency is particularly obvious when more stones, tree roots and other impurities are contained in the soil.

Description

Novel hydraulic non-stop device of furrow plough

Technical Field

The invention relates to the technical field of agricultural machinery, in particular to a novel hydraulic non-stop device of a furrow plough.

Background

With the continuous development of economic construction and the progress of science and technology in China, agricultural machinery in China also develops from the past aspects of simple structure, low technology content and single function to the aspects of high modernized technology content and complete functions. At present, the types of furrow plows in China are various, the furrow plows are divided into power plows and animal plows according to power, the power plows are divided into traction plows and suspension plows, the bolts of the conventional plows with safety bolts are broken after the conventional plows body with the safety bolts touches obstacles, the operation can be continued only after the safety bolts are replaced by a machine owner, and one safety bolt is replaced for ten minutes or more, so that the operation efficiency is low.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a novel hydraulic non-stop device of a furrow plough, which solves the problems that the traditional bolt is easy to break when contacting with an obstacle and the replacement time is long after the traditional bolt breaks in the prior art.

The technical scheme of the invention is realized as follows: a novel hydraulic non-stop device of a furrow plough comprises a plough beam, wherein a variable connecting mechanism is arranged on the plough beam and is connected with a plough head mechanism; the variable connecting mechanism comprises plough body supports connected to the plough beams, symmetrically arranged plough bodies are connected to the plough body supports, the tails of the two groups of plough bodies are connected through hydraulic cylinders, and supporting balls are connected between the two groups of plough bodies.

Furthermore, the plow body bracket, the two groups of plow bodies and the hydraulic cylinder form a variable quadrilateral structure. The plough body comprises a plough rod and a connecting piece, one end of the plough rod is hinged on the plough body bracket, and the other end of the plough rod is fixedly connected with the connecting piece. The plough rod is provided with a plurality of through holes which are uniformly distributed, and the connecting piece is provided with a plurality of connecting holes which are uniformly distributed. The both ends of pneumatic cylinder all are connected with the connecting piece, are equipped with the recess that the pneumatic cylinder of being convenient for is flexible on the connecting piece.

Further, the supporting ball is connected with the connecting piece through a plurality of supporting points. The plowshare mechanism comprises a connecting rod and a plowshare, one end of the connecting rod is connected to the connecting piece, and the other end of the connecting rod is connected with the plowshare.

The invention has the beneficial effects that: the invention realizes that the plough body can be automatically lifted when meeting an obstacle which cannot pass through by installing the hydraulic cylinder on the plough body; after the plough body crosses the obstacle, the plough body returns to the state before touching the obstacle again under the action of the hydraulic cylinder, and the plough body automatically crosses the obstacle through the continuous action, so that continuous operation without stopping the plough body is realized, the operation efficiency is increased, and the benefit is improved. In addition, the time for replacing the safety bolt is saved, the working efficiency can be greatly improved within the same time, the benefit is increased, and the working efficiency is obviously improved when more stones, tree roots and other impurities are contained in the soil.

Drawings

In order to illustrate the embodiments of the invention more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, it being apparent that the drawings in the following description are only some embodiments of the invention, and that other drawings may be derived from those drawings by a person skilled in the art without inventive effort.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of the operation of the present invention;

fig. 3 is a diagram of an overload condition of the present invention.

In the figure: 1. the plough comprises a plough beam, 2 parts of a plough body bracket, 3 parts of a plough body, 31 parts of a plough rod, 32 parts of a connecting piece, 33 parts of a groove, 4 parts of a supporting ball, 41 parts of a first fulcrum, 42 parts of a second fulcrum, 43 parts of a third fulcrum, 44 parts of a fourth fulcrum, 5 parts of a hydraulic cylinder, 6 parts of a connecting rod and 7 parts of a plough head.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.

As shown in fig. 1, in embodiment 1, a novel hydraulic non-stop device for a furrow plough comprises a plough beam 1, wherein a variable connecting mechanism is arranged on the plough beam 1, and the plough beam 1 is connected with a plough head mechanism through the variable connecting mechanism to form the furrow plough; the variable connecting mechanism comprises plough body supports 2 connected to a plough beam 1, symmetrical plough bodies 3 are connected to the plough body supports 2, the tails of the two groups of plough bodies 3 are connected through hydraulic cylinders 5, supporting balls 4 are arranged between the two groups of plough bodies 3, two ends of the two groups of parallel plough bodies 1 are respectively connected through the plough body supports 2 and the hydraulic cylinders 5, and finally a variable quadrilateral structure is formed, the two groups of plough bodies 3 are hinged to the plough body supports 2, the distance between the two groups of plough bodies 2 is unchanged, the two groups of plough bodies 3 are hinged to the hydraulic cylinders 5, and the distance between the two groups of plough bodies 3 can be changed through the hydraulic cylinders 5; the supporting ball 4 is arranged at one end close to the hydraulic cylinder 5, so that the deformation of the variable quadrilateral structure is controlled within a controllable range, and the change of the variable quadrilateral structure is ensured to be ensured on the basis of an isosceles quadrilateral, and the accuracy after reset is ensured.

Embodiment 2 is different from embodiment 1 in that the plough body 3 comprises a plough rod 31 and a connecting piece 32, one end of the plough rod 31 is hinged on the plough body bracket 2, and the other end is fixedly connected with the connecting piece 32. The plow pole 31 is provided with a plurality of through holes which are uniformly distributed and can not influence the stability of the plow pole 31, the weight of the plow pole 31 can be reduced by the through holes, the three through holes distributed at the tail part can also be used as connecting holes, and the connecting piece 32 is provided with connecting holes used for being connected with the plowshare mechanism. Both ends of the hydraulic cylinder 5 are connected with the connecting piece 32, and a groove 33 is arranged on the connecting piece 32 close to the hydraulic cylinder 5; the connecting pieces 32 are irregular in shape, the two connecting pieces 32 are hinged with the hydraulic cylinder 5, and grooves formed in the two connecting pieces 32 facilitate installation and extension of the hydraulic cylinder 5; the supporting ball 4 is connected with the connecting piece 32 through a first fulcrum 41, a second fulcrum 42, a third fulcrum 43 and a fourth fulcrum 44, and the connection of the four fulcrums is detachable.

In this embodiment, the plowshare mechanism comprises a connecting rod 6 and a plowshare 7, one end of the connecting rod 6 is connected to the connecting piece 32, the other end of the connecting rod 6 is connected to the plowshare 7, the plowshare 7 can select to use the grid plowshare, the connecting rod 6 penetrates through a connecting hole in the connecting piece 32 through a screw to be fixedly connected with the connecting piece 32, and the other end of the connecting rod is fixedly connected with the grid plowshare, so that soil can be turned.

Specifically, as shown in fig. 2, the working principle is as follows: two groups of plough bodies 3 are respectively hinged with the plough body support 2 under the normal operation state of the furrow plough, and the hydraulic cylinder 5 connects the two groups of plough bodies 3 through an upper hinged point and a lower hinged point, so that the plough body support 2, the plough bodies 3 and the hydraulic cylinder 5 form a variable quadrangle. Then, a variable quadrilateral structure formed by the plough body bracket 2, the plough body 3 and the hydraulic cylinder 5 is converted into an isosceles trapezoid structure through a first fulcrum 41, a second fulcrum 42, a third fulcrum 43 and a fourth fulcrum 44 of the supporting ball 4, the distance between the variable quadrilateral structure and two hinged points of the connecting piece 32 is fixed by applying pressure to the hydraulic cylinder 5 under the normal operation state of the furrow plough, the isosceles trapezoid formed by the plough body bracket 2, the plough body 3 and the hydraulic cylinder 5 is converted into a fixed structure, the plough body 3 and the plough beam 1 are relatively static, and therefore the tractor pulls the plough beam 1 to drive the plough body 3 to realize the normal operation of the furrow plough.

The overload condition shown in fig. 3 is: when the plough body 3 touches an obstacle, the stress of the plough body 3 is instantly increased, the plough body 3 respectively rotates upwards around the hinge joint of the plough body bracket 2, at the moment, the second fulcrum 42 and the third fulcrum 43 of the supporting ball 4 are separated from the plough body 3, the connecting line of the first fulcrum 41 and the fourth fulcrum 44 forms an included angle with the plough body 3 to change, the relative distance between two connecting points of the hydraulic cylinder 5 positioned behind the first fulcrum 41 and the fourth fulcrum 44 is prolonged, and when the pressure applied to the hydraulic cylinder 5 after the plough body 3 touches the obstacle is larger than the pressure applied to the hydraulic cylinder 5, the plough body moves upwards to cross the obstacle; after the plough body 3 passes through the obstacle, the pressure applied to the plough body 3 is less than the pressure applied to the hydraulic cylinder 5, and at the moment, under the action of the hydraulic cylinder 5, the plough body 3 returns to the initial position again; and a cycle is completed, so that the change of the force between the plow body 3 and the hydraulic cylinder 5 after the furrow plow touches the obstacle is realized, and the plow automatically crosses the obstacle without human participation.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a novel hydraulic pressure of furrow plough does not shut down device which characterized in that: the plough comprises a plough beam (1), wherein a variable connecting mechanism is arranged on the plough beam (1), and the variable connecting mechanism is connected with a plough head mechanism; the variable connecting mechanism comprises a plough body support (2) connected to a plough beam (1), plough bodies (3) symmetrically arranged are connected to the plough body support (2), the tails of the two groups of plough bodies (3) are connected through hydraulic cylinders (5), and supporting balls (4) are connected between the two groups of plough bodies (3).

2. The new hydraulic non-stop device of the furrow plough as claimed in claim 1, characterized in that: the plow body bracket (2), the two groups of plow bodies (3) and the hydraulic cylinder (5) form a variable quadrilateral structure.

3. The new hydraulic non-stop device of the furrow plough as claimed in claim 2, characterized in that: the plough body (3) comprises a plough rod (31) and a connecting piece (32), one end of the plough rod (31) is hinged on the plough body bracket (2), and the other end of the plough rod is fixedly connected with the connecting piece (32).

4. The new hydraulic non-stop device of the furrow plough as claimed in claim 3, characterized in that: a plurality of through holes which are uniformly distributed are arranged on the plough rod (31), and a plurality of connecting holes which are uniformly distributed are arranged on the connecting piece (32).

5. The new hydraulic non-stop device of the furrow plough as claimed in claim 3 or 4, characterized in that: the two ends of the hydraulic cylinder (5) are connected with the connecting piece (32), and the connecting piece (32) is provided with a groove (33) convenient for the hydraulic cylinder to stretch.

6. The new hydraulic non-stop device of the furrow plough as claimed in claim 5, characterized in that: the supporting ball (4) is connected with the connecting piece (32) through a plurality of supporting points.

7. The new hydraulic non-stop device of the furrow plough as claimed in claim 3, 4 or 6, characterized in that: the plowshare mechanism comprises a connecting rod (6) and a plowshare (7), one end of the connecting rod (6) is connected to the connecting piece (32), and the other end of the connecting rod (6) is connected with the plowshare (7).