CN216058172U - Improved hand rotary tillage, fertilizing and seeding machine - Google Patents

Abstract

An improved walking rotary tillage, fertilizing and seeding machine is characterized in that the rear part of a walking tractor is connected with a rotary cultivator, a seed box assembly and a fertilizer box assembly are arranged above the rear part of the head part of the walking tractor, a driving shaft is fixed on a hub of a walking wheel of the walking tractor, the driving shaft is coaxial with a wheel shaft of the walking wheel, a clutch transmission mechanism is connected between a seed discharging shaft in the seed box assembly and a middle fertilizer discharging shaft and the driving shaft of the fertilizer box assembly, and the control end of the clutch transmission mechanism is arranged at the upper end part of an operating arm of the walking tractor. The control end is controlled to enable the clutch transmission mechanism to be combined or separated, the clutch transmission mechanism is enabled to be in a combined state, the driving shaft drives the seed discharging shaft and the fertilizer discharging shaft through the clutch transmission mechanism, seeding and fertilizing can be achieved, the clutch transmission mechanism is enabled to be in a separated state, and the seeding and the fertilizing are suspended. The walking wheels of the walking tractor are used as driving wheels, land wheels are omitted, the problem of grass winding on the wheels is avoided, and the suspension or continuation of sowing and fertilizing can be conveniently controlled through the clutch transmission mechanism.

Description

Improved hand rotary tillage, fertilizing and seeding machine

Technical Field

The utility model relates to agricultural operation equipment, in particular to a hand-held rotary tillage, fertilization and seeding machine.

Background

At present, there is an operation device integrating a rotary cultivator, a seeding and fertilizing machine and a walking tractor into a whole, and the basic structure of the existing walking rotary tillage, fertilizing and seeding machine is as follows: the rear part of the walking tractor is connected with a rotary cultivator, one side of the rotary cultivator is hinged with a land wheel frame, a land wheel is arranged on the land wheel frame, a seed box assembly and a fertilizer box assembly are arranged above the rear part of the head part of the walking tractor, and a transmission mechanism is connected between a seed discharging shaft of the seed box assembly, a fertilizer discharging shaft of the fertilizer box assembly and a wheel shaft of the land wheel. The equipment can complete rotary tillage, fertilization and seeding in one operation, has higher operation efficiency and can reduce the equipment cost, but in the operation, the seed sowing shaft and the fertilizer discharging shaft are driven by the land wheel through the transmission mechanism, so the following defects exist: the distance between the land wheel and the seed and fertilizer discharging shafts is longer, the size of the arranged transmission mechanism is larger, and the appearance of the equipment is larger; in field operation, grass is easily wound on the land wheel, so that the working resistance is increased, the machine needs to be stopped frequently during working, the wound grass is cleaned, the working efficiency is influenced, and the land wheel can stop rotating and cannot work when the grass is wound seriously; when the equipment is in a walking state and seeding and fertilizing need to be stopped temporarily, the rear part of the walking tractor needs to be lifted up manually, so that the land wheels are suspended, and the operation is laborious.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an improved walking rotary tillage, fertilization and seeding machine, which integrates the functions of rotary tillage, fertilization and seeding into a whole, and a fertilization and seeding mechanism of the improved walking rotary tillage, fertilization and seeding machine is driven by walking wheels of a walking tractor, so that land wheels can be omitted.

In order to achieve the purpose, the utility model adopts the following scheme: an improved walking tractor with a rotary cultivator at its back is composed of a head of said walking tractor, a seed box assemblage and a fertilizer box assemblage behind said head, a seed and fertilizer tube connected to said seed box assemblage, a drive axle fixed to the wheel hub of walking wheel of said walking tractor, a clutch drive mechanism between said seed and fertilizer tubes, and a control end of said clutch drive mechanism on the upper end of control arm of said walking tractor.

According to the scheme, the clutch transmission mechanism can be combined or separated by operating the control end, when the rotary tillage, fertilization and seeding machine provided by the utility model travels in the field, the clutch transmission mechanism is in a combined state, the driving shaft rotating along with the traveling wheels drives the seed discharging shaft and the fertilizer discharging shaft through the clutch transmission mechanism, seeding and fertilizing can be realized, the clutch transmission mechanism is in a separated state, the seed discharging shaft and the fertilizer discharging shaft lose driving force and stop rotating, and seeding and fertilizing can be suspended; the rotary cultivator is driven by a walking tractor to realize rotary tillage operation. In the scheme, the walking wheels of the walking tractor serve as driving wheels, land wheels are omitted, the problem that the wheels are wound with grass is avoided, and in addition, the suspension or continuation of seeding and fertilizing can be conveniently controlled through the clutch transmission mechanism.

The utility model has compact and reasonable structure and high operation efficiency, can not cause grass winding phenomenon during operation, and has labor-saving and convenient operation.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a view in the direction A of FIG. 1;

FIG. 3 is a view from the direction B of FIG. 2;

FIG. 4 is a schematic view of the drive shaft of FIG. 1 and the support plate attached thereto;

fig. 5 is a view in the direction C of fig. 1.

Detailed Description

The utility model is further illustrated below with reference to examples and figures.

See fig. 1, 2, 3, 4

The utility model provides a hand-held rotary tillage, fertilization and seeding machine, which is provided with a hand tractor 11, wherein the rear part of the hand tractor 11 is connected with a rotary cultivator 1, a seed box assembly 15 and a fertilizer box assembly 13 are arranged above the rear part of the head part of the hand tractor 11, and a seed discharging pipe 10 connected with the seed box assembly 15 and a fertilizer discharging pipe 9 connected with the fertilizer box assembly 13 extend to the lower part of the head part of the hand tractor. A driving shaft 6 is fixed on a hub of a travelling wheel 2 of the walking tractor, the driving shaft 6 is coaxial with a wheel shaft of the travelling wheel 2, a seed discharging shaft 23 in a seed box assembly, a middle fertilizer discharging shaft 24 in a fertilizer box assembly and the driving shaft 7 are connected with a clutch transmission mechanism, and a control end of the clutch transmission mechanism is arranged at the upper end part of an operating arm of the walking tractor.

In this embodiment, the clutch transmission mechanism includes a first driving sprocket 7, a bearing seat 25, a rotating shaft 26, a first driven sprocket 32, a second driving sprocket 33, a second driven sprocket 12, a first transmission chain 8, a second transmission chain 14, a pressure plate 29, a shift fork 18, a spring 31, a gasket 30, a bracket 16, a pull wire 19, a control rod 20, and a support 22. A bearing seat 25 is fixed on the outer side of the box body of the seed box assembly 15, a rotating shaft 26 is supported by the bearing seat 25, the rotating shaft 26 is connected with a seed shaft 23, a first driving sprocket 7 is fixed on a driving shaft 6, a second driving sprocket 33 is fixed on the rotating shaft 26, a first driven sprocket 32 and a pressure plate 29 are in clearance fit with the rotating shaft 26, the first driven sprocket 32 is adjacent to the pressure plate 29, opposite ends of the first driven sprocket 32 and the pressure plate 29 are respectively provided with a boss 32a and a groove 29a which are matched with each other, the rotating shaft 26 is provided with a limit groove 26b, a limit pin 28 which is in sliding fit with the limit groove 26b is arranged on the pressure plate 29 in a penetrating way, a gasket 30 is fixed at the outer end of the rotating shaft 26, a spring 31 is arranged between the gasket 30 and the pressure plate 29, a retainer ring 27 which is in rotating fit with the pressure plate 29 is arranged on the pressure plate 29, a support 16 is fixed on the box body of the seed box assembly 15, a shifting fork 18 is hinged with the support 16, the support 18 is abutted against the retainer ring 27, a support 22 is fixed on the upper end of an operating arm of a walking tractor, the control rod 20 is hinged with the support 22, two ends of the stay wire 19 are respectively connected with the shifting fork 18 and the control rod 20, the first transmission chain 8 is arranged on the first driving chain wheel 7 and the first driven chain wheel 32, the second driven chain wheel 12 is connected with the fertilizer discharging shaft 24, and the second transmission chain 14 is arranged on the second driving chain wheel 33 and the second driven chain wheel 12.

In addition, in the embodiment, the seed box assembly 15, the fertilizer box assembly 13 and the rotary cultivator 1 are the same as the existing structure, and the connection between the rotary cultivator 1 and the hand tractor 11 is also the existing structure.

See FIG. 5

In this embodiment, a baffle 21 is fixed on the upper portion of the support 22, a sliding slot 21a in an "L" shape is formed on the baffle, and the control rod 20 passes through the sliding slot 21 a. After the operating rod 20 pulls the pulling wire 19 and operates the shifting fork 18 to a proper position, the operating rod 20 can be positioned through the sliding groove 21 a.

See FIG. 2

In this embodiment, a quadrangular blind hole 26a is formed at one end of the rotating shaft 26, a quadrangular shaft head 23a is formed at one end of the seeding shaft 23 connected with the rotating shaft 26, and the shaft head 23a is matched with the blind hole 26 a. The blind hole 26a is matched with the shaft head 23a, and the seeding shaft 23 can be driven by the rotating shaft 26. In addition, when the seeding shaft 23 is adjusted along the axial direction according to the operation requirement, the shaft head 23a and the blind hole 26a can also move relatively, thereby ensuring the adjustment to be realized.

In this embodiment, a support plate 17 is fixed on the outer side of the box body of the box assembly 15, a sleeve 34 is fixed on the support plate 17, and the pull wire 19 passes through the sleeve 34. The arrangement of the support plate and the sleeve can lead the stay wire to be ideally arranged.

See fig. 1, 4

For the existing walking tractor, the connection mode of the walking wheels and the wheel shafts is that one end of the wheel shaft is fixed

A wheel shell is fixed, and a wheel hub of the traveling wheel is connected with the wheel shell through a wheel axle bolt 4 and a nut 3. After the travelling wheel is connected with the wheel shell, a bolt 4 and a nut 3 for connecting the travelling wheel and the wheel shell are reserved on a hub of the travelling wheel. In this embodiment, the hub fixing mode of the driving shaft 6 and the road wheel 2 is as follows: the rear end of the driving shaft 6 is connected with a supporting plate 5, the supporting plate 5 is in a straight shape, two ends of the supporting plate 5 are respectively provided with a mounting hole 5a, the supporting plate 5 is connected and fixed with the hub of the walking wheel 2 through a bolt 4, a nut 3 and a mounting hole 5a which are reserved on the hub of the walking wheel 2 and are used for connecting the walking wheel with the wheel shaft. The fixing mode utilizes the bolt 4 and the nut 3 on the hub of the travelling wheel, so that the driving shaft 3 can be conveniently and ideally fixed without changing the original structure of the existing walking tractor.

As can be seen from fig. 1, 2 and 3, when the control rod 20 is in a free state, under the action of the spring 31, the boss 32a of the first driven sprocket 32 is engaged with the groove 29a of the pressure plate 29, the main shaft 6 drives the first driven sprocket 32 and the rotating shaft 26 through the first driving chain 8, the second driving sprocket 33 drives the second driven sprocket 12 through the second driving chain 14, so that the seeding shaft 23 and the fertilizing shaft 24 rotate to realize seeding and fertilizing, and in addition, when the rotating shaft 26 rotates together with the pressure plate 29, the retainer ring 27 does not rotate under the abutting of the shifting fork 18; when the sowing and fertilizing are required to be suspended (for example, when the seeding and fertilizing are carried out in field operation and the ground is turned), the operating rod 20 is moved, the pull wire 19 pulls the shifting fork 18, the retaining ring 27 and the pressure plate 29 are pushed by the shifting fork 18, the pressure plate 29 is separated from the first driven sprocket 32, and in the state, the first driven sprocket 32 idles, the rotating shaft 26 stops rotating, the seed shaft 23 and the fertilizer shaft 24 also stop rotating, and the sowing and fertilizing are stopped. When the seeding and fertilizing operation needs to be resumed, the operating rod 20 is released, and the boss 32a on the first driven sprocket 32 is meshed with the groove 29a on the pressure plate 29 under the action of the spring 31, so that the seeding and fertilizing operation can be performed.

Claims (5)

1. Improved generation hand-held rotary tillage, fertilization, seeder, it has a hand tractor, and the rear portion of hand tractor connects has a rotary cultivator, is equipped with seed case assembly and fertilizer can assembly in the back top of hand tractor head, and the seed metering pipe that seed case assembly connects and the fertilizer can assembly connect's fertilizer pipe extend to the below of hand tractor head, its characterized in that: a driving shaft is fixed on a hub of a travelling wheel of the walking tractor and is coaxial with a wheel axle of the travelling wheel, a clutch transmission mechanism is connected between a seed sowing shaft in the seed box assembly and a middle fertilizer sowing shaft and the driving shaft of the fertilizer box assembly, and a control end of the clutch transmission mechanism is arranged at the upper end part of an operating arm of the walking tractor.

2. An improved walking rotary tillage, fertilization and seeding machine as claimed in claim 1, wherein: the clutch transmission mechanism is provided with a first driving sprocket, a bearing seat, a rotating shaft, a first driven sprocket, a second driving sprocket, a second driven sprocket, a first transmission chain, a second transmission chain, a pressure plate, a shifting fork, a spring, a gasket, a bracket, a pull wire, a control rod and a support, wherein the bearing seat is fixed on the outer side of a box body of the box assembly, the rotating shaft is supported by the bearing seat and is connected with a seed shaft, the first driving sprocket is fixed on the driving shaft, the second driving sprocket is fixed on the rotating shaft, the first driven sprocket and the pressure plate are in clearance fit with the rotating shaft, the first driven sprocket is adjacent to the pressure plate, opposite ends of the first driven sprocket and the pressure plate are respectively provided with a boss and a groove which are matched with each other, the rotating shaft is provided with a limiting groove, a limiting pin which is in sliding fit with the limiting groove is arranged on the pressure plate, the gasket is fixed at the outer end of the rotating shaft, the spring is arranged between the gasket and the pressure plate, and a retaining ring which is in running fit with the pressure plate are arranged on the pressure plate, the support is fixed on a box body of the box assembly, the shifting fork is hinged with the support and is abutted against the check ring, the support is fixed on the upper end part of an operating arm of the walking tractor, the operating rod is hinged with the support, two ends of a pull wire are respectively connected with the shifting fork and the operating rod, the first transmission chain is arranged on the first driving chain wheel and the first driven chain wheel, the second driven chain wheel is connected with the fertilizer discharging shaft, and the second transmission chain is arranged on the second driving chain wheel and the second driven chain wheel.

3. An improved walking rotary tillage, fertilization and seeding machine as claimed in claim 1, wherein: one end of the rotating shaft is provided with a quadrangular prism-shaped blind hole, and one end of the seeding shaft connected with the rotating shaft is a quadrangular prism-shaped shaft head which is matched with the blind hole.

4. An improved walking rotary tillage, fertilization and seeding machine as claimed in claim 1, wherein: a support plate is fixed on the outer side of the box body of the box assembly, a sleeve is fixed on the support plate, and a pull wire penetrates through the sleeve.

5. An improved walking rotary tillage, fertilization and seeding machine as claimed in claim 1, wherein: the rear end of the driving shaft is connected with a supporting plate, the supporting plate is in a straight shape, two ends of the supporting plate are respectively provided with a mounting hole, and the supporting plate is connected and fixed with the hub of the travelling wheel through bolts, nuts and mounting holes which are reserved on the hub of the travelling wheel and are used for connecting the travelling wheel with the wheel shaft.

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