An autonomous film breaking mechanism and method

Abstract

The application relates to an autonomous film breaking mechanism and method, which mainly comprises an adjusting nut, a universal joint, a compression spring and a film breaking knife. The film breaking mechanism is characterized by three-point suspension, wherein suspension point 1 is hinged to a tractor suspension frame, suspension points 2 and 3 are hinged to a hydraulic mechanism of the tractor suspension frame; the adjusting nut is connected to one end of a rear support column, the rear support column passes through the universal joint and the compression spring and is connected to a soil covering basket; the soil covering basket is connected to the center of a seeding device through a connecting rod 2, the connecting rod 2 is hinged to the two ends of a beam of the film breaking mechanism through a connecting rod 1; and the film breaking knife is connected to the end of the connecting rod 2. The beam of the film breaking mechanism is lifted to a certain height through the hydraulic mechanism of the suspension frame, the seeding device is lifted and suspended due to stress, the soil covering basket is supported on the ground, and the film breaking knife is used to break the film into the soil under the lever action of the connecting rod 2 to realize film breaking. The film breaking mechanism of the application completes film breaking with the help of the hydraulic mechanism of the suspension frame, does not need an extra hydraulic mechanism, has a simple structure and low cost.

Description

TECHNICAL FIELD

[0001] The application relates to an autonomous film breaking mechanism and method, and belongs to the field of film covering and seeding equipment. BACKGROUND

[0002] The film covering and soil covering and seeding technology is widely applied in agricultural planting, and when a tractor travels to the edge of land in the film covering and soil covering and seeding operation, line changing operation is needed, and the film needs to be broken before line changing. At present, the film breaking mechanism of the film covering and soil covering and seeding machine is driven by an additional hydraulic mechanism to realize film breaking, and the machine is complex and has high cost. SUMMARY

[0003] The application relates to an autonomous film breaking mechanism and method, and aims to realize the film breaking function when the line is changed in the film covering and soil covering and seeding operation, and simultaneously simplify the machine structure and reduce the cost.

[0004] The application relates to an autonomous film breaking mechanism and method, and the structure mainly comprises an adjusting nut, a universal joint, a compression spring and a film breaking knife. The film breaking mechanism is suspended on the tractor by using a three-point suspension, the suspension point 1 of the film breaking mechanism is hinged to the tractor suspension frame, the suspension points 2 and 3 of the film breaking mechanism are hinged to the hydraulic mechanism of the tractor suspension frame, the adjusting nut is connected to one end of the rear support column, the film breaking knife depth can be adjusted through the adjusting nut, the rear support column passes through the universal joint and the compression spring and is connected to the soil covering basket, the compression spring and the universal joint jointly act on the soil covering basket to realize the earth profiling of the soil covering basket, so that the soil covering basket is in real-time contact with the ground during the soil covering and seeding operation, the center of the soil covering basket and the seeding device is connected by a connecting rod 2, the connecting rod 2 is hinged to the two ends of the cross beam of the film breaking mechanism by a connecting rod 1, the film breaking knife is connected to the end of the connecting rod 2, the suspension state of the film breaking mechanism is divided into three kinds, during the soil covering and seeding operation, the soil covering basket and the seeding device are in contact with the ground, during film breaking, the cross beam of the film breaking mechanism is lifted to a certain height by the hydraulic mechanism of the tractor suspension frame, the forced seeding device is lifted and suspended, the soil covering basket is supported on the ground, and the film breaking knife is inserted into the soil to realize film breaking under the lever action of the connecting rod 2, and during the machine walking, the cross beam of the film breaking mechanism is completely lifted by the hydraulic mechanism of the tractor suspension frame, and the soil covering basket and the seeding device are suspended.

[0005] Compared with the prior art, the film breaking mechanism of the application completes film breaking by means of the hydraulic mechanism of the tractor suspension frame, does not need an additional hydraulic mechanism, has a simple structure, reduces the cost, and is favorable for the further application and promotion of the film covering and soil covering and seeding equipment. BRIEF DESCRIPTION OF DRAWINGS

[0006] Figure 1 It is a schematic diagram of the suspension state of the film breaking mechanism during film breaking.

[0007] Figure 2 It is a schematic diagram of the suspension state of the film breaking mechanism during the film covering and soil covering and seeding operation.

[0008] Figure 3 Fig. 1 is a schematic diagram of the suspension state of the film breaking mechanism when the machine is running.

[0009] Figure 4 Fig. 2 is a schematic diagram of the suspension point distribution and beam structure of the film breaking mechanism.

[0010] In the figure: 1 - tractor suspension frame hydraulic mechanism, 2 - film breaking mechanism beam, 3 - connecting rod 1, 4 - adjusting nut, 5 - universal joint, 6 - compression spring, 7 - seeding device, 8 - rear support, 9 - covering basket, 10 - connecting rod 2, 11 - film breaking knife, 12 - film, 13 - ground. DETAILED DESCRIPTION

[0011] The following will be described in conjunction with the accompanying Figures 1-4 The structural principle and embodiment of the present application will be specifically described.

[0012] The present application relates to an autonomous film breaking mechanism and method, which mainly comprises 4 - adjusting nut, 5 - universal joint, 6 - compression spring and 11 - film breaking knife. Its characteristics are that the film breaking mechanism is used with three-point suspension with the tractor, the film breaking mechanism suspension point 1 is hinged with the tractor suspension frame, the film breaking mechanism suspension points 2 and 3 are hinged with the 1 - tractor suspension frame hydraulic mechanism; 4 - adjusting nut is connected with one end of 8 - rear support, the depth of 11 - film breaking knife into the soil can be adjusted through 4 - adjusting nut; 8 - rear support passes through 5 - universal joint and 6 - compression spring and is connected with 9 - covering basket, 6 - compression spring and 5 - universal joint jointly act to realize 9 - covering basket to 13 - ground profiling, so that 9 - covering basket and 13 - ground are in real-time contact during the covering and seeding operation; 9 - covering basket and 7 - seeding device center are connected by 10 - connecting rod 2, 10 - connecting rod 2 and 2 - film breaking mechanism beam are hinged by 3 - connecting rod 1 at both ends; 11 - film breaking knife is connected with the end of 10 - connecting rod 2.

[0013] The suspension state of the film breaking mechanism is divided into three kinds, during the covering and seeding operation, 9 - covering basket and 7 - seeding device are in contact with the ground; during film breaking, 1 - tractor suspension frame hydraulic mechanism lifts 2 - film breaking mechanism beam to a certain height, due to the force, 7 - seeding device is lifted and suspended, 9 - covering basket is supported on 13 - ground, under the lever action of 10 - connecting rod 2, 11 - film breaking knife will 12 - film into the soil to realize film breaking; during the machine running, 1 - tractor suspension frame hydraulic mechanism completely lifts 2 - film breaking mechanism beam, 9 - covering basket and 7 - seeding device are both suspended.

Claims

1. An autonomous film breaking mechanism, the structure of which comprises an adjusting nut, a universal joint, a compression spring and a film breaking knife; characterized in that, The film breaking mechanism is suspended by three-point suspension of the tractor, the film breaking mechanism suspension point one is hinged to the tractor suspension frame, the film breaking mechanism suspension point two and three are hinged to the tractor suspension frame hydraulic mechanism; the adjusting nut is connected to one end of the rear support column, the film breaking knife depth into the soil is adjusted by the adjusting nut; the rear support column is connected to the soil covering basket through the universal joint and the compression spring, the compression spring and the universal joint jointly realize the soil covering basket earth profiling, so that the soil covering basket is in real-time contact with the ground during the soil covering and seeding operation; the soil covering basket and the seeding device center are connected by the connecting rod two, the connecting rod two is connected to the film breaking mechanism cross beam through the connecting rod one, the connecting rod one is hinged at both ends; the film breaking knife is connected to the end of the connecting rod two; the film breaking mechanism suspension state is divided into three kinds, during the soil covering and seeding operation, the soil covering basket and the seeding device are in contact with the ground; during film breaking, the tractor suspension frame hydraulic mechanism lifts the film breaking mechanism cross beam to a certain height, the forced seeding device rises and suspends, the soil covering basket is supported on the ground, under the lever action of the connecting rod two, the film breaking knife breaks the film into the soil to realize film breaking; during the tool running, the tractor suspension frame hydraulic mechanism completely lifts the film breaking mechanism cross beam, the soil covering basket and the seeding device are suspended.

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