CN213427097U - Multilayer cutting knife transmission mechanism of ratoon rice combine harvester - Google Patents

Abstract

The utility model discloses a multi-layer cutter transmission mechanism of a regenerated rice combine harvester, which relates to the field of agricultural harvesting. Stubble, broken grass cutter is located before the stubble cutter, cutting off the stalks first to ensure the length of the broken grass; the whole cutter is driven by a hydraulic motor and a swing ring box, which simplifies the multi-layer cutter of the regenerative rice combine harvester The new transmission structure reduces the cost, and is easy to manufacture, install and use, and has a very positive promotion and application value.

Description

Multilayer cutting knife transmission mechanism of ratoon rice combine harvester

Technical Field

The utility model belongs to the technical field of agricultural machine technique and specifically relates to a multilayer cutting knife drive mechanism of ratoon rice combine.

Background

The regenerated rice is a special rice planting mode, is suitable for planting double-cropping rice in regions with insufficient sunlight and heat, but has the advantages of saving labor, seeds, water, fertilizer, medicine, seedling fields and the like in planting surplus single-cropping rice, is an important measure for improving the land cropping index and ensuring the food safety in China, and has great popularization prospect in China. The harvest period of the ratoon rice is divided into two seasons, when the first season rice is harvested, the lower one third part (rice stake and root system) of the plant needs to be reserved, and the rice can grow out again after fertilization and cultivation. The harvest of present regeneration first season mainly relies on the manual work or follows to reap with current harvester, and main existence problem has: the manual harvesting wastes time and labor, and the problems of large rolling compaction rate (40-50%), large damage to rice stakes and the like exist when the existing harvester is used for harvesting, so that the popularization and planting of the ratoon rice are seriously restricted.

The chinese patent discloses a multilayer segmentation-stubble-remaining cutting knife device of first season ratoon rice, and the utility model adopts three-layer cutting knife to only harvest spike head, and cuts off the cut stem stalk to make it reach the field returning standard, but its cutting knife transmission structure is comparatively complicated, occupies more space, is unfavorable for the fine simplification of the whole size of ratoon rice combine harvester.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a multilayer cutting knife transmission mechanism of a renewable rice combine harvester with simple structure and less occupied space, which adopts the form of three layers of cutting knives, the cutting knife of the header reaps spike heads, the stubble cutting knife carries out stubble cutting on renewable rice, the straw cutting knife is positioned in front of the stubble cutting knife and preferentially cuts off stalks, and the length of crushed straw is ensured; the whole cutting knife is driven by the hydraulic motor and the swing ring box, so that the transmission structure of the multilayer cutting knife of the ratooning rice combine harvester is simplified, the cost is reduced, and the ratooning rice combine harvester is easy to manufacture, install and use and has very positive popularization and application values.

The invention is realized by the following technical scheme:

a multi-layer cutting knife transmission mechanism of ratoon rice comprises a grass-crushing cutting knife, a stubble-remaining cutting knife and a fixed knife connecting plate; the grass chopping cutter comprises a movable blade of the grass chopping cutter and a fixed blade of the grass chopping cutter; the stubble cutting knife comprises a movable blade of the stubble cutting knife and a fixed blade of the stubble cutting knife;

the movable blade of the grass chopping cutter and the movable blade of the stubble cutting cutter are respectively connected to two blade connecting swing blocks through pin shafts, the two blade connecting swing blocks are hinged to one ends of a swing arm of the grass chopping cutter and a swing arm of the stubble cutting cutter, and the other ends of the swing arm of the grass chopping cutter and the swing arm of the stubble cutting cutter are arranged on an output shaft of the swing ring box;

the fixed blade of the grass chopping cutter and the fixed blade of the stubble cutting cutter are connected to the cutter connecting frame through the fixed cutter connecting plate.

Furthermore, the output shaft of the swing ring box is the output end of the swing ring box, and the input end of the swing ring box is driven by a hydraulic motor.

Furthermore, the grass smashing cutting knife swing arm and the stubble remaining cutting knife swing arm are connected to the output shaft of the ring box through splines.

Furthermore, the swing arm of the grass chopping cutter and the swing arm of the stubble cutting cutter have the same phase.

Furthermore, the swing ring box is arranged on the cutting knife connecting frame.

Furthermore, the cutting knife connecting frame is driven by a hydraulic cylinder.

Furthermore, the blade connecting swing block is connected to one end of the grass chopping cutter swing arm and the stubble reserving cutter swing arm through a pin shaft.

The utility model has the advantages that:

1. adopt the utility model discloses a behind the structure, no longer need the complicated multilayer cutting knife transmission system of structure, simplified the structure of regeneration rice combine multilayer cutting knife, the cost is reduced to easily make, install and use, have very positive popularization and application and worth.

2. The utility model discloses in, garrulous grass cutting knife swing arm and stay stubble cutting knife swing arm pass through splined connection on ring case output shaft to realized garrulous grass cutting knife swing arm and stay stubble cutting knife swing arm and rotated simultaneously at ring case output shaft.

3. The cutting machine is used for cutting ears, the stubble-remaining cutter is used for remaining stubbles of the regenerated rice, the straw-crushing cutter is positioned in front of the stubble-remaining cutter, the stalks are preferentially cut off, and the length of crushed straws is ensured; the whole cutting knife is driven by the hydraulic motor and the swing ring box, so that the transmission structure of the multilayer cutting knife of the ratooning rice combine harvester is simplified, the cost is reduced, and the ratooning rice combine harvester is easy to manufacture, install and use and has very positive popularization and application values.

Drawings

FIG. 1 is a schematic structural view of a multi-layer cutting knife transmission mechanism of a ratoon rice combine harvester according to the present invention;

FIG. 2 is a schematic view of a portion of the structure of FIG. 1;

FIG. 3 is a schematic structural view of the stubble-remaining cutter of the present invention;

FIG. 4 is a schematic view of the overall structure of a multi-layered cutter transmission mechanism for ratooning rice;

the reference numbers are as follows: 1-1 parts of grass smashing cutters, 1-11 parts of movable blades of the grass smashing cutters, 1-12 parts of fixed blades of the grass smashing cutters, 1-2 parts of stubble remaining cutters, 1-21 parts of movable blades of the stubble remaining cutters, 1-22 parts of fixed blades of the stubble remaining cutters, 1-3 parts of fixed blade connecting plates, 1-4 parts of blade connecting swing blocks, 1-5 parts of cutter connecting frames, 1-6 parts of hydraulic cylinders, 1-7 parts of swing arms of the grass smashing cutters and 1-8 parts of swing arms of the stubble remaining cutters; a swing ring box 2-1, a swing ring box output shaft 2-2 and a hydraulic motor 2-3.

Detailed Description

The invention will be further described with reference to the drawings and the following examples, but the scope of the invention is not limited thereto.

Referring to the attached drawings 1-4, the multi-layer cutting knife transmission mechanism for the regenerated rice comprises grass smashing cutting knives 1-1, stubble remaining cutting knives 1-2, fixed knife connecting plates 1-3, blade connecting swing blocks 1-4, cutting knife connecting frames 1-5, hydraulic cylinders 1-6, stubble remaining cutting knife swing arms 1-8 and grass smashing cutting knife swing arms 1-7, wherein the grass smashing cutting knives 1-1 comprise grass smashing fixed blades 1-12 and grass smashing cutting knife movable blades 1-11, are positioned below a header and a conveying device of a combine harvester, are fixed on the cutting knife connecting frames 1-5, and the cutting knife connecting frames 1-5 are hinged to two sides of the combine harvester and are supported on a frame at the bottom of the combine harvester through the hydraulic cylinders 1-6; the stubble cutting knife 1-2 comprises stubble cutting knife fixed blades 1-22 and stubble cutting knife movable blades 1-21, the stubble cutting knife fixed blades 1-22 are fixed with the grass chopping knife fixed blades 1-12 through fixed knife connecting plates 1-3, the stubble cutting knife movable blades 1-21 and the grass chopping knife movable blades 1-11 are respectively hinged on stubble cutting knife swing arms 1-8 and the grass chopping knife swing arms 1-7 through blade connecting swing blocks 1-4;

the high-pressure oil from the combine harvester is converted into continuous rotary power drive through the hydraulic motor 2-3, and is output to swing back and forth through the swing ring box 2-1, the stubble-remaining cutting knife swing arm 1-8 and the grass-smashing cutting knife swing arm 1-7.

A multi-layer cutting knife transmission mechanism of ratoon rice comprises a grass-crushing cutting knife 1-1, a stubble-remaining cutting knife 1-2 and a fixed knife connecting plate 1-3; the grass chopping cutter 1-1 comprises a grass chopping cutter movable blade 1-11 and a grass chopping cutter fixed blade 1-12; the stubble cutting knife 1-2 comprises a stubble cutting knife movable blade 1-21 and a stubble cutting knife fixed blade 1-22; the movable blades 1-11 of the grass chopping cutter and the movable blades 1-21 of the stubble cutting cutter are respectively connected to two blade connecting swinging blocks 1-4 through pin shafts, the two blade connecting swinging blocks 1-4 are hinged to one ends of swing arms 1-7 of the grass chopping cutter and swing arms 1-8 of the stubble cutting cutter, and the other ends of the swing arms 1-7 of the grass chopping cutter and the swing arms 1-8 of the stubble cutting cutter are arranged on an output shaft 2-2 of the swinging ring box; the fixed blades 1-12 of the grass chopping cutter and the fixed blades 1-22 of the stubble chopping cutter are connected to the cutter connecting frames 1-5 through the fixed cutter connecting plates 1-3.

Further, the output shaft 2-2 of the swing ring box is the output end of the swing ring box 2-1, and the input end of the swing ring box 2-1 is driven by a hydraulic motor 2-3.

Furthermore, the swing arms 1-7 of the grass smashing cutting knife and the swing arms 1-8 of the stubble remaining cutting knife are connected to the output shaft 2-2 of the ring box through splines.

Furthermore, the swing arms 1-7 of the grass chopping cutter and the swing arms 1-8 of the stubble chopping cutter have the same phase.

Further, the swing ring box 2-1 is arranged on the cutting knife connecting frame 1-5.

Furthermore, the cutting knife connecting frame 1-5 is driven by a hydraulic cylinder 1-6.

Furthermore, the blade connecting swing block 1-4 is connected to one end of the grass chopping cutter swing arm 1-7 and the stubble reserving cutter swing arm 1-8 through a pin shaft.

The grass chopping cutter 1-1 is positioned at the front upper part of the stubble cutting cutter 1-2, namely the grass chopping cutter 1-1 is positioned at the position above the stubble cutting cutter 1-2, and in front of the upper part of the stubble cutting cutter 1-2, the grass chopping cutter 1-1 firstly cuts off a part of stalks in the front and above, and then cuts the stalks by the stubble cutting cutter 1-2 behind; the cutting machine is used for cutting ears, the stubble-remaining cutter is used for remaining stubbles of the regenerated rice, the straw-crushing cutter is positioned in front of the stubble-remaining cutter, the stalks are preferentially cut off, and the length of crushed straws is ensured; the whole cutting knife is driven by the hydraulic motor and the swing ring box, so that the transmission structure of the multilayer cutting knife of the ratooning rice combine harvester is simplified, the cost is reduced, and the ratooning rice combine harvester is easy to manufacture, install and use and has very positive popularization and application values.

The implementation mode of the transmission system is as follows: high-pressure hydraulic oil from a combine harvester is output as rotary power through a hydraulic motor 2-3, an output shaft of the hydraulic motor 2-3 is fixedly connected with a swing ring box 2-1, the output of the swing ring box output shaft 2-2 is in reciprocating swing to drive a grass chopping cutter swing arm 1-7 and a stubble reserving cutter swing arm 1-8 to reciprocate, a swing block 1-4 is connected through a blade to enable a grass chopping cutter movable blade 1-11 and a stubble reserving cutter movable blade 1-21 to reciprocate, and plant stalks are cut through shearing motion with a grass chopping cutter fixed blade 1-12 and a stubble reserving cutter fixed blade 1-22.

The whole cutting knife is hinged at two ends of the combine through the cutting knife connecting frames 1-5, one end of the hydraulic cylinder 1-6 is hinged with the frame of the combine, the other end is hinged with the cutting knife connecting frames 1-5 to support the whole cutting knife, and the ground clearance height and the ground angle of the cutting knife are adjusted through the extension and the shortening of the hydraulic cylinder, so that the stubble height of plants is adjusted.

When the combine harvester works, the ground clearance and the ground angle of the cutting knife are adjusted through the hydraulic cylinder 1-6, the proper stubble height is ensured, the whole set of transmission system works to drive the stubble cutting knife 1-2 and the grass smashing knife 1-1 to synchronously work at the same time, the grass smashing knife 1-1 is positioned in front, the plant stalks are firstly cut off, then the stubble cutting knife 1-2 cuts off the plant stalks, the cutting is carried out twice, the stubble height and the grass smashing length are ensured, and the returning standard is ensured.

The embodiment is a preferred embodiment of the present invention, but the present invention is not limited to the above embodiment, and any obvious improvement, replacement or modification which can be made by those skilled in the art without departing from the essence of the present invention belongs to the protection scope of the present invention.

Claims (8)

1. a multi-layer cutter transmission mechanism of a regenerated rice combine harvester, is characterized in that, comprises broken grass cutter (1-1), stubble cutter (1-2) and fixed cutter connecting plate (1-3) ); the grass cutting blade (1-1) includes a grass cutting blade movable blade (1-11) and a grass cutting blade fixed blade (1-12); the stubble cutting blade (1-2) includes Stubble cutter movable blade (1-21) and stubble cutter fixed blade (1-22); The grass cutter movable blade (1-11) and the stubble cutter movable blade (1-21) are respectively connected to two blade connecting pendulum blocks (1-4) through pins, and the two blades are connected to each other. The pendulum block (1-4) is hingedly connected to one end of the grass cutting blade swing arm (1-7) and the stubble cutting blade swing arm (1-8), the grass cutting blade swing arm (1-7) and the stubble cutting blade swing arm (1-7) The other end of the knife swing arm (1-8) is installed on the output shaft (2-2) of the swing ring box; The fixed blade (1-12) of the grass cutting blade and the fixed blade (1-22) of the stubble cutting blade are connected to the blade connecting frame (1-5) through the fixed blade connecting plate (1-3). 2. The multi-layer cutter transmission mechanism of the regenerated rice combine harvester according to claim 1, wherein the output shaft (2-2) of the swing ring box is the output end of the swing ring box (2-1), The input end of the swing ring box (2-1) is driven by a hydraulic motor (2-3). 3. The multi-layer cutter transmission mechanism of the regenerated rice combine harvester according to any one of claims 1 or 2, characterized in that, the grass-breaking cutter swing arm (1-7) and the stubble cutter swing The arm (1-8) is connected to the ring box output shaft (2-2) through splines. 4. The multi-layer cutter transmission mechanism of the regenerated rice combine harvester according to claim 3, characterized in that, the grass-breaking cutter swing arm (1-7) and the stubble cutter swing arm (1-8) ) have the same phase. 5 . The multi-layer cutter transmission mechanism of the regenerated rice combine harvester according to claim 2 , wherein the swing ring box ( 2 - 1 ) is arranged on the cutter connection frame ( 1 - 5 ). 6 . 6 . The multi-layer cutter transmission mechanism of the regenerated rice combine harvester according to claim 1 , wherein the cutter connection frame ( 1 - 5 ) is driven by a hydraulic cylinder ( 1 - 6 ). 7 . 7. The multi-layer cutter transmission mechanism of the regenerated rice combine harvester according to claim 1, wherein the blade connecting pendulum block (1-4) is connected to the grass cutting blade swing arm (1) through a pin shaft -7) and one end of the stubble cutter swing arm (1-8). 8 . The multi-layer cutter transmission mechanism of the regenerated rice combine harvester according to claim 1 , wherein the grass cutting cutter ( 1 - 1 ) is located in front and above the stubble cutter ( 1 - 2 ). 9 .

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