CN217564098U

CN217564098U - Four-rod pressure adjusting mechanism of intelligent high-speed precision seeder

Info

Publication number: CN217564098U
Application number: CN202221457098.XU
Authority: CN
Inventors: 梁利军; 高鹏飞; 刘自强; 张景阳; 任文发; 杜木军; 陈永亮; 孟繁华; 窦钰程; 蒲彦斌; 韩宏宇
Original assignee: Heilongjiang Dewo Technology Co ltd
Current assignee: Heilongjiang Dewo Technology Co ltd
Priority date: 2022-06-11
Filing date: 2022-06-11
Publication date: 2022-10-14
Anticipated expiration: 2032-06-11

Abstract

Four-rod pressure adjusting mechanism of intelligent high-speed precision seeder, belonging to the technical field of precision seeder. The pressure adjusting device is used for solving the problem that the pressure adjustment of the single suspension bracket of the precision seeder is complex. The four-bar linkage suspension bracket front end is connected with the four-bar linkage front connecting plate, the four-bar linkage suspension bracket rear end is connected with the seeding support body front end of seeding monomer assembly, it is taut through the pressure adjustment subassembly between the upper and lower both ends of four-bar linkage suspension bracket to set up continuous non-isopachous wave groove on the upper and lower both ends face of four-bar linkage suspension bracket, both ends set up respectively in the wave inslot that corresponds about the pressure adjustment subassembly, and through the pressure that the position regulation four-bar linkage suspension bracket received of both ends in the wave groove about the regulation pressure adjustment subassembly. The utility model discloses set up pressure regulating assembly on the mounted frame, the last extension spring peg that only needs to remove pressure regulating assembly can carry out four connecting rod mounted frame pressure regulation, convenient to use.

Description

Four-rod pressure adjusting mechanism of intelligent high-speed precision seeder

Technical Field

The utility model belongs to the technical field of the precision seeder, concretely relates to high-speed precision seeder four-bar pressure adjustment mechanism of intelligence.

Background

The precision seeder is used for sowing seeds into a seed bed according to the precision sowing quantity, the row spacing and the sowing depth, consists of components of precision seed metering, soil covering, fertilizer application and the like, can monitor the seed metering working condition, and has the structural forms of mechanical type, pneumatic type and the like. The former has simple structure but high requirement on seed size; the latter has good adaptability to the shape and size of the seeds, and the precise sowing can save the seeds and increase the yield.

The existing single four-bar linkage structure of the precision seeder adopts a welded hanging rod structure, and an extension spring is arranged on an upper hanging rod and a lower hanging rod and used for ensuring that the seeding single body has better ground pressure, but because the extension spring is constantly in a stretching state, if the ground pressure of the seeding single body is required to be adjusted according to actual conditions, the extension spring is required to be detached or installed, the process is complex, and the precision seeder is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the complicated problem of accurate seeder monomer mounted frame pressure adjustment, and then provide the high-speed accurate seeder four-bar pressure adjustment mechanism of intelligence of a convenient regulation.

The utility model adopts the technical proposal that: the four-rod pressure adjusting mechanism of the intelligent high-speed precision seeder comprises a four-rod suspension bracket, a four-rod front connecting plate and a pressure adjusting assembly; the four-bar linkage suspension bracket front end is connected with the four-bar linkage front connecting plate, the four-bar linkage suspension bracket rear end is connected with the seeding support body front end of seeding monomer assembly, it is taut through the pressure adjustment subassembly between the upper and lower both ends of four-bar linkage suspension bracket to set up continuous non-isopachous wave groove on the upper and lower both ends face of four-bar linkage suspension bracket, both ends set up respectively in the wave inslot that corresponds about the pressure adjustment subassembly, and through the pressure that the position regulation four-bar linkage suspension bracket received of both ends in the wave groove about the regulation pressure adjustment subassembly.

Compared with the prior art, the utility model following beneficial effect has:

the utility model discloses set up pressure regulating assembly on the mounted frame, the last extension spring peg that only needs to remove pressure regulating assembly can carry out four connecting rod mounted frame pressure regulation, convenient to use.

Drawings

FIG. 1 is an isometric view of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a top view of the present invention;

wherein: 1. a four-bar linkage suspension bracket; 2. a four-bar front link plate; 3. a pressure regulating assembly; 11. a connecting rod; 12. a wave groove; 31. a tension spring hanging shaft is arranged; 32. a tension spring; 33. and a spring hanging shaft is pulled down.

Detailed Description

For better understanding of the objects, structure and functions of the present invention, the present invention will be described in detail with reference to the accompanying drawings.

Referring to fig. 1 to 3, the utility model provides an intelligent high-speed precision seeder four-bar pressure adjusting mechanism, which comprises a four-bar suspension bracket 1, a four-bar front connecting plate 2 and a pressure adjusting assembly 3; the front end of the four-bar suspension bracket 1 is connected with the four-bar front connecting plate 2, the rear end of the four-bar suspension bracket 1 is connected with the front end of a seeding bracket body assembled by seeding monomers, the upper end and the lower end of the four-bar suspension bracket 1 are tensioned through a pressure adjusting component 3, continuous wave grooves 12 with unequal depths are formed in the upper end face and the lower end face of the four-bar suspension bracket 1, the upper end and the lower end of the pressure adjusting component 3 are respectively arranged in the corresponding wave grooves 12, and the pressure applied to the four-bar suspension bracket 1 is adjusted through the positions of the upper end and the lower end of the pressure adjusting component 3 in the wave grooves 12.

As shown in fig. 1 to 3, the four-bar linkage hanger 1 includes four links 11; the four connecting rods 11 are arranged in a rectangular array frame type, the two connecting rods 11 located above are connected through a first beam, the two connecting rods 11 located below are connected through a second beam, the front ends of the four connecting rods 11 are respectively hinged with a front connecting plate 2 of the four connecting rods through first hinge shafts, the rear ends of the four connecting rods 11 are respectively hinged with the front ends of seeding frame bodies assembled by seeding monomers through second hinge shafts, and the wave grooves 12 are formed in the upper end surfaces of the two connecting rods 11 located above and the lower end surfaces of the two connecting rods 11 located below.

As shown in fig. 1 to 3, each of the wave grooves 12 is concave and continuously non-equi-deep arc-shaped.

As shown in fig. 1 to 3, the pressure adjusting assembly 3 includes an upper tension spring hanging shaft 31, a lower tension spring hanging shaft 33 and at least one tension spring 32; the upper tension spring hanging shaft 31 is erected in the two wave grooves 12 at the upper end, the upper tension spring hanging shaft 31 is connected with the lower tension spring hanging shaft 33 through at least one tension spring 32, and the lower tension spring hanging shaft 33 is clamped in the two wave grooves 12 at the lower part through the tension force of the tension spring 32.

By rotating the upper tension spring hanging shaft 31, the position of the upper tension spring hanging shaft 31 in the corresponding wave groove 12 can be changed, so that the distance between the upper tension spring hanging shaft 31 and the lower tension spring hanging shaft 33 is changed, the deformation of the tension spring 32 is caused, and the pressure of the tension spring 32 acting on the four-bar linkage suspension frame 1 through the upper tension spring hanging shaft 31 and the lower tension spring hanging shaft 33 is changed.

The number of the tension springs 32 is preferably two.

As shown in fig. 1 to 3, annular grooves for facilitating hooking of the tension springs are formed on the outer circumferential surfaces of the upper tension spring hanging shaft 31 and the lower tension spring hanging shaft 33.

It is to be understood that the present invention has been described with reference to certain embodiments and that various changes or equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention as defined by the appended claims. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.

Claims

1. The utility model provides a high-speed accurate seeder four-bar pressure adjustment mechanism of intelligence which characterized in that: comprises a four-connecting-rod suspension bracket (1), a four-connecting-rod front connecting plate (2) and a pressure adjusting component (3); the four-bar linkage mounted frame (1) front end is connected with four-bar linkage front connecting plate (2), four-bar linkage mounted frame (1) rear end is connected with the seeding support body front end of seeding monomer assembly, it is taut through pressure adjustment subassembly (3) between the upper and lower both ends of four-bar linkage mounted frame (1), and set up continuous non-isopiestic wave groove (12) on the upper and lower both ends face of four-bar linkage mounted frame (1), both ends set up respectively in wave groove (12) that correspond about pressure adjustment subassembly (3), and through the pressure that position adjustment four-bar linkage mounted frame (1) that adjusts both ends about pressure adjustment subassembly (3) received in wave groove (12).

2. The four-bar pressure adjusting mechanism of the intelligent high-speed precision seeder according to claim 1, wherein: the four-connecting-rod suspension bracket (1) comprises four connecting rods (11); the four connecting rods (11) are arranged in a rectangular array frame type, the front ends of the four connecting rods (11) are hinged with a four-connecting-rod front connecting plate (2) through a first hinge shaft, the rear ends of the four connecting rods (11) are hinged with the front end of a seeding frame body of a seeding monomer assembly (81) through a second hinge shaft, and the wave grooves (12) are formed in the upper end faces of the two connecting rods (11) above and the lower end faces of the two connecting rods (11) below.

3. The four-bar pressure adjusting mechanism of the intelligent high-speed precision seeder according to claim 2, wherein: each wave groove (12) is in an inwards concave continuous non-equal-depth arc shape.

4. The four-bar pressure adjusting mechanism of the intelligent high-speed precision seeder according to claim 3, wherein: the pressure adjusting component (3) comprises an upper tension spring hanging shaft (31), a lower tension spring hanging shaft (33) and at least one tension spring (32); the upper tension spring hanging shaft (31) is erected in the two wave grooves (12) at the upper end, the upper tension spring hanging shaft (31) is connected with the lower tension spring hanging shaft (33) through at least one tension spring (32), and the lower tension spring hanging shaft (33) is clamped in the two wave grooves (12) at the lower part through the tension force of the tension spring (32).

5. The four-bar pressure adjusting mechanism of the intelligent high-speed precision seeder according to claim 4, wherein: and annular grooves convenient for hanging of the tension springs are formed in the outer circumferential surfaces of the upper tension spring hanging shaft (31) and the lower tension spring hanging shaft (33).