CN217136035U - Seeder profiling pressure adjusting device - Google Patents

Abstract

The invention discloses a profiling pressure adjusting device of a seeder, which comprises a profiling frame, a ratchet frame, tension springs, chains, supporting plates, spacer bushes and limiting pieces, wherein the two supporting plates are fixedly connected to the profiling frame, the ratchet frame is arranged in notches of the supporting plates and rotates in the notches of the supporting plates, the two chains are respectively arranged on the ratchet frame, the two tension springs are respectively arranged on the two chains, the other ends of the two tension springs are arranged on the profiling frame, when the ratchet frame is rotated, the tension of the tension springs changes, the spacer bushes are arranged in the limiting pieces, the limiting pieces are fixedly connected with the ratchet frame, and the limiting pieces can rotate on the spacer bushes.

Description

Seeder profiling pressure adjusting device

Technical Field

The invention relates to the technical field of agricultural machinery, in particular to a profiling pressure adjusting device of a seeder.

Background

When carrying out crops seeding, the topography height is just about the same, in order to make the degree of depth of seeder seeding reach unanimity, needs the seeder to have the profiling mechanism that can float from top to bottom along with the topography, makes the seeder depth of seeding reach unanimity. The adjustment of depth of planting simultaneously needs the extension spring on the profiling mechanism to adjust, the size of extension spring elasticity also directly influences depth of planting and planting effect, the regulation convenience degree of extension spring elasticity also directly influences the operating efficiency, most extension spring regulative mode adopts lead screw regulation or portable handle regulation on the market, the elasticity of lead screw regulation extension spring is more time-consuming, it can reach the result of use to need the rotatory several rings of lead screws of operator, portable handle regulation is difficult to adjust because the big operator of extension spring elasticity, need the operator to go on simultaneously more than two, and portable regulation extension spring tensile regulative mode can not finely tune, waste time, hard.

Disclosure of Invention

The invention aims to provide a profiling pressure adjusting device of a seeder, which solves the problems in the prior art, only needs to adjust a ratchet rack by a wrench when adjusting the seeding depth and the pressure of a profiling mechanism, is simple and convenient to adjust, can also adjust the pressure of the profiling mechanism in a micro-scale manner, and greatly improves the working efficiency of seeding operation.

In order to achieve the purpose, the invention provides the following scheme: the invention provides a profiling pressure adjusting device of a seeder, which comprises a profiling frame, a ratchet frame, tension springs, chains, supporting plates, spacer bushes and limiting pieces, wherein the two supporting plates are fixedly connected to the profiling frame, the ratchet frame is arranged in notches of the supporting plates and rotates in the notches of the supporting plates, the two chains are respectively arranged on the ratchet frame, the two tension springs are respectively arranged on the two chains, the other ends of the two tension springs are arranged on the profiling frame, when the ratchet frame is rotated, the tension of the tension springs changes, the spacer bushes are arranged in the limiting pieces, the limiting pieces are fixedly connected with the ratchet frame, and the limiting pieces can rotate on the spacer bushes.

Preferably, the profile modeling frame includes profile modeling upper ledge, profile modeling underset, profile modeling front bezel, profile modeling back seat, profile modeling upper ledge one end with profile modeling front bezel normal running fit and can dismantle the connection, the other end with profile modeling back seat normal running fit and can dismantle the connection, profile modeling underset one end with profile modeling front bezel normal running fit and can dismantle the connection, the other end with profile modeling back seat normal running fit and can dismantle the connection, profile modeling front bezel bottom is equipped with two round holes for fixing two extension springs, profile modeling underset afterbody is equipped with fixedly equally the round hole of extension spring.

During the seeding operation, when carrying out the operation on the ridge or the flat seeding operation, can be fixed in two extension springs on the profile modeling undercarriage afterbody round hole, whole profile modeling frame is less to ground pressure like this, when carrying out the no-tillage operation, is fixed in on the round hole of profile modeling front stall bottom, at this moment whole profile modeling frame is great to the pressure on ground.

Preferably, the ratchet frame includes hexagonal axle, ratchet, two chain locking plates hexagonal axle one end is equipped with the cylinder tang, is equipped with the second face of cylinder from the position of the inboard width of a profile frame of cylinder tang, and the hexagonal axle other end is six faceted pebbles, conveniently adjusts with the spanner, the ratchet welding is in the position that is close to the second face of cylinder on the hexagonal axle, just a plane of ratchet and second face of cylinder are close to a plane of cylinder tang side on the coplanar, preferably, are equipped with the round hole on two chain locking plates, two chain locking plates weld respectively on the hexagonal axle, and the round hole on two chain locking plates is on same axis.

Preferably, the number of ratchet teeth is 8-12 teeth, more preferably equal to 10 teeth.

Compared with the prior art, the profiling pressure adjusting device of the seeder has the following technical effects:

the profiling pressure adjusting device for the seeder is suitable for flat seeding, ridge operation and no-tillage operation of the seeder, is simple and convenient to adjust the tension of the tension spring, only needs to be adjusted by a wrench, can be subjected to micro adjustment according to the requirements of users due to the fact that the ratchet wheel is provided with 10 teeth, and is simple and practical, and wide in application prospect.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural view of a profiling pressure adjusting device of a seeder

FIG. 2 is a schematic view of a profiling frame

FIG. 3 is a schematic view of a ratchet rack and a chain

FIG. 4 is a schematic view of the supporting plate

FIG. 5 is a schematic view of the structure of the spacing piece and the spacer

Wherein, 1-profiling frame, 101-profiling upper frame, 102-profiling lower frame, 103-profiling front seat, 104-profiling rear seat, 2-ratchet frame, 201-hexagonal shaft, 202-ratchet, 203-chain lock plate, 3-chain, 4-tension spring, 5-support plate, 6-limit plate, 7-spacer bush

The specific implementation mode is as follows:

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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of the present invention.

The invention aims to provide a profiling pressure adjusting device of a seeder, which solves the problems in the prior art, is suitable for ridge operation, flat seeding operation and no-tillage operation of the seeder, only needs a spanner to adjust a ratchet rack when adjusting the seeding depth and the pressure of a profiling rack, is simple and convenient to adjust, can also adjust the pressure of the profiling rack in a micro-scale manner, and greatly improves the working efficiency of the seeding operation.

The profiling frame 1 comprises a profiling upper frame 101, a profiling lower frame 102, a profiling front seat 103, a profiling rear seat 104, wherein one end of the profiling upper frame 101 is rotationally matched with the profiling front seat 103 and is detachably connected with the profiling front seat 103, the other end of the profiling upper frame is rotationally matched with the profiling rear seat 104 and is detachably connected with the profiling front seat 103, one end of the profiling lower frame 102 is rotationally matched with the profiling front seat 103 and is detachably connected with the profiling front seat 103, the other end of the profiling lower frame is rotationally matched with the profiling rear seat 104 and is detachably connected with the profiling rear seat, in the embodiment, round holes for fixing the two tension springs 4 are arranged at the bottom of the profiling front seat 103, when no-tillage operation is carried out, the two tension springs 4 are fixed on the round holes at the bottom of the profiling front seat 103, holes for fixing the two tension springs 4 are arranged at the position of the profiling lower frame 102 close to the profiling rear seat 104, when ridge operation or flat-seeding operation is carried out, the two tension springs 4 are fixed in the round holes on the profiling lower frame 102, the two supporting plates 5 are symmetrically fixed on the inner side of the profiling upper frame 101.

The ratchet frame 2 comprises a hexagonal shaft 201, a ratchet 202 and chain lock plates 203, one end of the hexagonal shaft 201 is provided with a cylindrical spigot, a second cylindrical surface is arranged at a position away from the inner side width of a profiling frame of the cylindrical spigot, the other end of the hexagonal shaft 201 is of a hexagonal structure and is convenient to adjust by a wrench, the ratchet 202 is welded at a position on the hexagonal shaft 201 close to the second cylindrical surface, a plane of the ratchet 202 and a plane of the second cylindrical surface close to the cylindrical spigot side are on the same plane, preferably, round holes are arranged on the two chain lock plates 203, the two chain lock plates 203 are respectively welded on the hexagonal shaft 201, the round holes on the two chain lock plates 203 are on the same axis, the two chains 3 are respectively arranged in the round holes on the two chain lock plates 203, the two tension springs 4 are respectively fixedly connected with the two chains 3, and during no-tillage operation, the other ends of the two tension springs 4 are connected with the profiling front seat, at this time, the tension springs 4 have large pressure on the profiling frame 1, when the ridge is operated or the flat sowing is operated, the other ends of the two tension springs 4 are fixedly connected with the profiling lower frame 102, and the tension springs 4 have small pressure on the profiling frame 1.

The spacer 7 is arranged on the limiting sheet 6, and the limiting sheet 6 is fixedly connected with the supporting sheet 5.

As shown in fig. 1, the ratchet rack 2 is arranged in the notches of the two support plates 5 and can rotate in the notches of the support plates 5, two round holes are formed in the front side and the rear side of each support plate 5, the two limiting pieces 6 are fixedly connected with the two round holes in the front side and the rear side of each support plate 5 respectively, when no-tillage operation is carried out, the limiting pieces 6 on the round holes in the rear side of each fixed support plate 5 are used for clamping the ratchet 202, meanwhile, the tension springs 4 are fixed in the round holes in the profiling front seat 101, when ridge operation or flat seeding operation is carried out, the ratchet rack 2 is rotated by 180 degrees, the limiting pieces 6 on the round holes in the front side of each fixed support plate 5 are used for clamping the ratchet 202, and the tension springs 4 are fixed on the profiling rear seat 104.

In the description of the present invention, it should be noted that the terms "bottom", "rear", "inner", "outer", "front", "rear", "parallel", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for the purpose of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation. Constructed and operative in a particular orientation and therefore should not be construed as limiting the invention.

The principle and the implementation mode of the invention are explained by applying a specific example in the invention, and the description of the above embodiment is used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.

Claims (4)

1. The utility model provides a seeder profile modeling pressure adjusting device which characterized in that: including imitative shape frame, ratchet frame, extension spring, chain, backup pad, spacer sleeve, spacing piece, two backup pads link firmly on the imitative shape frame, the ratchet frame set up in the backup pad notch, just the ratchet frame rotate in the backup pad notch, two chains set up respectively in on the ratchet frame, two extension springs set up respectively in on two chains, two extension spring other ends set up in on the imitative shape frame, when rotating ratchet frame, extension spring pulling force changes, the spacer sleeve set up in spacing piece, spacing piece with the ratchet frame links firmly, spacing piece can rotate on the spacer sleeve.

2. The profiling pressure regulating device of a seeding machine according to claim 1, characterized in that: the profile modeling frame includes profile modeling upper ledge, profile modeling undercarriage, profile modeling front bezel, profile modeling back seat, profile modeling upper ledge one end with profile modeling front bezel normal running fit and can dismantle the connection, the other end with profile modeling back seat normal running fit and can dismantle the connection, profile modeling undercarriage one end with profile modeling front bezel normal running fit and can dismantle the connection, the other end with profile modeling back seat normal running fit and can dismantle the connection, profile modeling front bezel bottom is equipped with two round holes for fixing two extension springs, profile modeling undercarriage afterbody is equipped with fixedly equally the round hole of extension spring.

3. The profiling pressure regulating device of a seeding machine according to claim 1, characterized in that: the ratchet frame includes hexagonal axle, ratchet, two chain locking plates hexagonal axle one end is equipped with the cylinder tang, is equipped with the second face of cylinder from the position of the inboard width of profile frame of cylinder tang, and the hexagonal axle other end is six faceted pebbles, conveniently adjusts with the spanner, the ratchet welding is in the position that is close to the second face of cylinder on the hexagonal axle, just a plane of ratchet and second face of cylinder are close to a plane of cylinder tang side on the coplanar, are equipped with the round hole on two chain locking plates, two chain locking plates weld respectively on the hexagonal axle, and the round hole on two chain locking plates is on same axis.

4. The profiling pressure regulating device of a seeding machine according to claim 3, characterized in that: the number of the ratchet teeth is between 8 and 12, and the number of the ratchet teeth is equal to 10.

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