CN108738757B - Grass braid fixed-length cutting method suitable for alfalfa and special equipment - Google Patents
Grass braid fixed-length cutting method suitable for alfalfa and special equipment Download PDFInfo
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- CN108738757B CN108738757B CN201810363498.6A CN201810363498A CN108738757B CN 108738757 B CN108738757 B CN 108738757B CN 201810363498 A CN201810363498 A CN 201810363498A CN 108738757 B CN108738757 B CN 108738757B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F29/00—Cutting apparatus specially adapted for cutting hay, straw or the like
- A01F29/08—Cutting apparatus specially adapted for cutting hay, straw or the like having reciprocating knives
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Abstract
The invention belongs to the field of pasture processing machinery, and relates to a method for cutting a straw braid at a fixed length suitable for alfalfa and special equipment, wherein the straw braid is in a form of stacking, ventilating and drying modes such as a straw airing frame and the like adopted by small-sized farmer and pasture households in some areas; the grass pressing part, the cutting part, the grass poking part, the grass braid groove and the like can complete grass holding, grass poking, conveying and pinching processes of alfalfa green hay at one time, the prepared grass braids are uniform in length and diameter and moderate in compaction degree, the equipment can greatly reduce the labor intensity of farmers and herdsmen, the working efficiency is improved, and the economic development of partial areas, particularly Tibetan areas, is promoted.
Description
Technical Field
The invention belongs to the field of pasture processing machinery, and relates to a method and equipment for preparing and finishing alfalfa green hay.
Background
In the production process of domestic artificial grassland, the problem of harvesting in rainy season is commonly encountered. One to two crops of gramineous forage grass are harvested in one year, the harvest season is in 11 months, and the forage grass is also a common rainfall season in the north of China; the second and third harvest of high quality forage grass-alfalfa is also in rainy season.
The proper water content is an important factor for ensuring the storage quality of the pasture, and the pasture is deteriorated due to overhigh water content.
At present, pasture is harvested and processed in rainy season in an ideal mode of manual and mechanical drying, but due to the fact that factors such as fuel price and machine cost are limited, the pasture inhabitants mainly live in small-range pasture inhabitants, and large-scale drying and modulating equipment cannot adapt to the actual economic and topographic conditions of the local area.
The grass braid is a piling, storing, ventilating and drying mode adopted by small-sized farmer and herder in some areas, and the basic processing link of the grass braid is smoothing fresh grass which is just harvested, winding the grass into the braid and cutting the grass into fixed length. However, the preparation of the straw plait is finished manually at present, the production efficiency is low, and the form cannot be ensured to be regular and uniform.
The development success of the green hay preparing and finishing machine can be used for supporting the production and development of grassland and pastoral areas, improving the life of herdsmen and protecting the grassland ecology. The vast Tibetan siblings mainly live on grassland pasturing areas, and the mechanized development will benefit millions of Tibetan people. The green hay preparing and finishing machine can greatly reduce the labor amount of farmers and reduce the labor intensity. The working efficiency is improved, the normal airing of the forage grass is ensured, the drying task is completed, the loss of the forage grass caused by rainy weather is reduced, and the loss of the nutritional ingredients of the forage grass is reduced. The neatness and uniformity of the straw plaits can be helpful for the next bundling or secondary compression mechanized process of the green hay.
Disclosure of Invention
Aiming at the problems, the invention innovatively designs a method and special equipment for cutting the alfalfa grass braid into fixed length, which are suitable for carrying out fixed length cutting treatment on the harvested alfalfa grass braid to obtain a final product in a 'grass braid' shape. The problems of low manual braiding efficiency and low quality in the reality are solved, and the device is safe, stable and high in efficiency.
In order to achieve the purpose, the invention provides the following specific technical scheme:
the method for cutting the clover plaits at a fixed length adopts the uniform-length plaits as a target product and adopts the process flows of grass holding, grass pulling, conveying and pinching to carry out mechanical preparation of the uniform-length plaits.
Grass holding: 3-4 grass pressing wheels arranged on the grass pressing bent shaft and a circular through hole formed by the grass pressing wheels and the grass braid are adopted, the diameter of the circular through hole is the same as that of the grass braid, the grass pressing wheels can rotate around the grass pressing bent shaft, and the grass pressing wheels are used for holding grass on the grass braid by 3-4 grass pressing wheels;
grass stirring: the grass poking teeth on the grass poking part perform forking operation on the tightly held alfalfa grass braid and can drive the alfalfa grass braid to move together;
conveying: the grass poking teeth pass through the middle gap of the grass braid groove due to the fact that the grass poking part is arranged on the ground of the grass braid groove, the alfalfa grass braid moves on the grass braid groove under the effect of the grass poking teeth, and the conveying effect is achieved;
pinching off: the straw plaits are cut by the pair of roller type cutting parts at regular time, finally straw plaits with uniform length are formed, and the straw plaits fall off the ground to finish the operation.
The grass braid fixed-length cutting equipment suitable for the alfalfa comprises a grass pressing part, a cutting part, a grass poking part, a grass braid groove and the like.
The grass pressing part is arranged on the upper part of an inlet of the grass braid groove, the grass poking part is arranged on the lower part of the grass braid groove, a gap is formed in the middle of the grass braid groove, and the grass poking teeth of the grass poking part can cut off the part arranged at an outlet of the grass braid groove through the gap of the grass braid groove.
The grass pressing part comprises a grass pressing bent shaft and 3-4 grass pressing wheels, the grass pressing wheels are installed on the grass pressing bent shaft at equal intervals, and the grass pressing wheels can rotate around the grass pressing bent shaft.
The grass poking component comprises a right chain, a left chain, a right front bearing seat, a left front bearing seat, a right rear bearing seat, a left rear bearing seat, a front transmission shaft, a rear transmission shaft, a front chain wheel, a rear chain wheel, grass poking teeth and the like; the front chain wheel and the rear chain wheel are both provided with two chain wheels, and the front chain wheel and the rear chain wheel are arranged by taking a gap of the straw braid groove as the center; the left chain and the right chain are respectively installed by a front chain wheel and a rear chain wheel in a span way; the front chain wheel, the right front bearing seat and the left front bearing seat are all arranged on the front transmission shaft; the rear chain wheel, the right rear bearing seat and the left rear bearing seat are all arranged on the rear transmission shaft; grass poking teeth are arranged on the left chain and the right chain at equal intervals and can pass through gaps of the grass braid grooves; the transmission gear is arranged on the front transmission shaft.
The grass poking teeth comprise two working faces, one is a grass sticking face and the other is a grass backing face, the chain plate face is arranged on the chain, the included angle between the grass sticking face and the chain plate face is smaller than 90 degrees, and the included angle between the grass backing face and the chain plate face is larger than 90 degrees.
The cutting parts comprise a left cutting roller, a right cutting roller, a left cutting knife, a right cutting knife and the like; the left cutting-off knife is installed on the left cutting-off roller, the right cutting-off knife is installed on the right cutting-off roller, and the left cutting-off knife and the right cutting-off knife are symmetrically arranged by taking a gap of the grass braid groove as a center. The left cutting roller and the right cutting roller rotate in a vertical direction.
Compared with the prior art, the invention innovatively designs a grass braid fixed-length cutting method and special equipment suitable for alfalfa in the field of pasture processing, and the method adopts grass braids with uniform length as target products and adopts the process flow of grass holding, grass pulling, conveying and pinching off to carry out mechanical preparation of the grass braids with uniform length; the equipment can complete the procedures of holding, pulling, conveying and pinching off the alfalfa grass plaits at one time, the prepared grass plaits have uniform length and diameter and moderate compaction degree, the equipment can greatly reduce the labor intensity of farmers and herdsmen, improve the working efficiency and promote the economic development of partial areas, particularly Tibetan areas.
Drawings
Fig. 1 is a schematic structural diagram of a alfalfa green hay preparing and finishing device.
Fig. 2 is a schematic structural diagram of main working parts of the alfalfa green hay preparing and finishing equipment.
Fig. 3 is a schematic structural diagram of the mechanical speed regulating device.
Reference numerals
| 1 | Grass pressing wheel | 2 | Left cutting roller |
| 3 | Left cutting-off tool | 4 | Right cutting-off knife |
| 5 | Right cutting roller | 6 | Transmission gear |
| 7 | Right chain | 8 | Right front bearing seat |
| 9 | Left |
10 | |
| 11 | Straw plait groove | 12 | Grass poking tooth |
| 13 | |
14 | |
| 15 | Right rear bearing seat | 16 | Left |
| 17 | |
18 | |
| 19 | Grass- |
20 | |
| 21 | |
22 | |
| 23 | |
24 | |
| 25 | Grass pressing bent shaft |
The following detailed description of embodiments of the invention refers to the accompanying drawings.
The method for cutting the clover plaits at a fixed length adopts the uniform-length plaits as a target product and adopts the process flows of grass holding, grass pulling, conveying and pinching to carry out mechanical preparation of the uniform-length plaits.
Grass holding: 3-4 grass pressing wheels arranged on the grass pressing bent shaft and a circular through hole formed by the grass pressing wheels and the grass braid are adopted, the diameter of the circular through hole is the same as that of the grass braid, the grass pressing wheels can rotate around the grass pressing bent shaft, and the grass pressing wheels are used for holding grass on the grass braid by 3-4 grass pressing wheels;
grass stirring: the grass poking teeth on the grass poking part perform forking operation on the tightly held alfalfa grass braid and can drive the alfalfa grass braid to move together;
conveying: the grass poking teeth pass through the middle gap of the grass braid groove due to the fact that the grass poking part is arranged on the ground of the grass braid groove, the alfalfa grass braid moves on the grass braid groove under the effect of the grass poking teeth, and the conveying effect is achieved;
pinching off: the straw plaits are cut by the pair of roller type cutting parts at regular time, finally straw plaits with uniform length are formed, and the straw plaits fall off the ground to finish the operation.
The device for cutting the length of the clover braid comprises a grass pressing part 22, a cutting part 23, a grass poking part 24, a braid groove 11 and the like.
The grass pressing part 22 comprises a grass pressing bent shaft 25 and 3-4 grass pressing wheels 1, the grass pressing wheels 1 are installed on the grass pressing bent shaft 25 at equal intervals, and the grass pressing wheels 1 can rotate around the grass pressing bent shaft 25.
The grass poking part 24 comprises a right chain 7, a left chain 10, a right front bearing seat 8, a left front bearing seat 9, a right rear bearing seat 15, a left rear bearing seat 16, a front transmission shaft 13, a rear transmission shaft 14, a front chain wheel 17, a rear chain wheel 18, grass poking teeth 12 and the like; the front chain wheel 17 and the rear chain wheel 18 are both provided with two chain wheels, and the front chain wheel 17 and the rear chain wheel 18 are arranged by taking a gap of the straw plait groove 11 as the center; the left chain 7 and the right chain 10 are respectively installed by a front chain wheel 17 and a rear chain wheel 18 in a span way; the front chain wheel 17, the right front bearing seat 8 and the left front bearing seat 9 are all arranged on the front transmission shaft 13; the rear chain wheel 18, the right rear bearing seat 15 and the left rear bearing seat 16 are all arranged on the rear transmission shaft 14; grass poking teeth 12 are equidistantly arranged on the left chain 10 and the right chain 7, and the grass poking teeth 11 can pass through gaps of the grass braid grooves 11; the transmission gear 6 is mounted on the front transmission shaft 13.
The grass poking teeth 12 comprise two working faces, one is a grass sticking face 19, the other is a grass backing face 20, the chain plate face 21 is arranged on the chain, the included angle between the grass sticking face 19 and the chain plate face 21 is smaller than 90 degrees, and the included angle between the grass backing face 20 and the chain plate face 21 is larger than 90 degrees.
The cutting component 23 comprises a left cutting roller 2, a right cutting roller 5, a left cutting knife 3, a right cutting knife 4 and the like; the left cutting knife 3 is arranged on the left cutting roller 2, the right cutting knife 4 is arranged on the right cutting roller 5, and the left cutting knife 3 and the right cutting knife 4 are symmetrically arranged by taking a gap of the straw braid groove 11 as a center. The left cutting roller 2 and the right cutting roller 5 rotate in the vertical direction.
Starting power, wherein the power is firstly transmitted to the transmission gear 6, and the transmission gear 6 drives the whole equipment to run; the transmission gear 6 drives the cutting part 23 and the grass poking part 24 to operate through a transmission system; the transmission gear 6 drives the front transmission shaft 13 to move, the front transmission shaft 13 drives the front chain wheel 17 to rotate, and the right front bearing seat 8 and the left front bearing seat 9 support the front transmission shaft 13 to move; the front chain wheel 17 drives the rear chain wheel 18 to move through the left chain 10 and the right chain 7, and the rear chain wheel 18 drives the rear transmission shaft 14 to move; the movement of the chain drives the grass poking teeth 12 to move, and the grass poking teeth 12 pass through gaps of the grass braid grooves 11 to do rotary circulation periodic movement; the left cutting roller 2 and the right cutting roller 5 move oppositely, and simultaneously drive the left cutting knife 3 and the right cutting knife 4 to move oppositely.
Get into the alfalfa grass plait from the entrance of grass plait groove 11, the alfalfa grass plait gets into and presses grass part 22, presses grass wheel 1 on the grass part 22 to hold the alfalfa grass plait tightly, dials grass tooth 12 and crosses into the alfalfa grass plait, dials grass tooth 12's subsides grass face 19 pulling alfalfa grass plait motion, because the contained angle of subsides grass face 19 and chain face 21 is less than 90, so subsides grass face 19 can effectively drive alfalfa grass plait together and move.
Along with the movement of the alfalfa grass plaits, the alfalfa grass plaits can be kept in the grass plait grooves 11 all the time, the grass poking teeth 12 circularly drive the alfalfa grass plaits to move, and at the moment, the grass pressing wheel 1 starts to rotate passively and can stably keep the grass holding effect.
The cutting-off knife of the cutting-off component 23 can do rotary motion around the cutting-off roller, and the left cutting-off knife 3 and the right cutting-off knife periodically clamp and cut off the alfalfa grass braid; the alfalfa grass plaits after being clamped and broken naturally fall off the ground along with inertia to form alfalfa grass plaits with uniform length, and one-time operation is completed.
Claims (1)
1. The utility model provides a straw plait fixed length cutting equipment suitable for alfalfa which characterized in that: the grass braid fixed-length cutting equipment comprises a grass pressing part, a cutting part, a grass poking part and a grass braid groove;
the grass pressing part is arranged at the upper part of the inlet of the grass braid groove, the grass poking part is arranged at the lower part of the grass braid groove, a gap is arranged in the middle of the grass braid groove, grass poking teeth of the grass poking part can pass through the gap of the grass braid groove, and the cutting part is arranged at the outlet of the grass braid groove;
the grass pressing part comprises a grass pressing bent shaft and 3-4 grass pressing wheels, the grass pressing wheels are arranged on the grass pressing bent shaft at equal intervals, and the grass pressing wheels can rotate around the grass pressing bent shaft;
the grass poking teeth comprise two working faces, one is a grass sticking face and the other is a grass backing face, the chain plate face is arranged on the chain, the included angle between the grass sticking face and the chain plate face is smaller than 90 degrees, and the included angle between the grass backing face and the chain plate face is larger than 90 degrees;
the cutting part comprises a left cutting roller, a right cutting roller, a left cutting knife, a right cutting knife and the like; the left cutting knife is arranged on the left cutting roller, the right cutting knife is arranged on the right cutting roller, and the left cutting knife and the right cutting knife are symmetrically arranged by taking a gap of the grass braid groove as a center; the left cutting roller and the right cutting roller rotate in the vertical direction;
the grass poking part comprises a right chain, a left chain, a right front bearing seat, a left front bearing seat, a right rear bearing seat, a left rear bearing seat, a front transmission shaft, a rear transmission shaft, a front chain wheel, a rear chain wheel and grass poking teeth; the front chain wheel and the rear chain wheel are both provided with two chain wheels, and the front chain wheel and the rear chain wheel are arranged by taking a gap of the straw braid groove as the center; the left chain and the right chain are respectively installed by a front chain wheel and a rear chain wheel in a span way; the front chain wheel, the right front bearing seat and the left front bearing seat are all arranged on the front transmission shaft; the rear chain wheel, the right rear bearing seat and the left rear bearing seat are all arranged on the rear transmission shaft; grass poking teeth are arranged on the left chain and the right chain at equal intervals and can pass through gaps of the grass braid grooves; the transmission gear is arranged on the front transmission shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810363498.6A CN108738757B (en) | 2018-04-21 | 2018-04-21 | Grass braid fixed-length cutting method suitable for alfalfa and special equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810363498.6A CN108738757B (en) | 2018-04-21 | 2018-04-21 | Grass braid fixed-length cutting method suitable for alfalfa and special equipment |
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| Publication Number | Publication Date |
|---|---|
| CN108738757A CN108738757A (en) | 2018-11-06 |
| CN108738757B true CN108738757B (en) | 2021-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810363498.6A Active CN108738757B (en) | 2018-04-21 | 2018-04-21 | Grass braid fixed-length cutting method suitable for alfalfa and special equipment |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101690449A (en) * | 2009-06-03 | 2010-04-07 | 广州市科利亚农业机械有限公司 | Segmenting type sugar cane combine harvester |
| CN102232335A (en) * | 2011-04-11 | 2011-11-09 | 浙江三佳农业机械装备有限公司 | Tail breaking device for sugarcane |
| CN102498831A (en) * | 2011-11-01 | 2012-06-20 | 中国农业大学 | Pinion-type straw bale conveying device |
| CN202722033U (en) * | 2012-07-06 | 2013-02-13 | 浙江省华贸实业有限公司 | Cutter disk structure of mower |
| CN103283420A (en) * | 2013-06-19 | 2013-09-11 | 中国农业大学 | Alfalfa green hay making and arrangement method and equipment |
-
2018
- 2018-04-21 CN CN201810363498.6A patent/CN108738757B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101690449A (en) * | 2009-06-03 | 2010-04-07 | 广州市科利亚农业机械有限公司 | Segmenting type sugar cane combine harvester |
| CN102232335A (en) * | 2011-04-11 | 2011-11-09 | 浙江三佳农业机械装备有限公司 | Tail breaking device for sugarcane |
| CN102498831A (en) * | 2011-11-01 | 2012-06-20 | 中国农业大学 | Pinion-type straw bale conveying device |
| CN202722033U (en) * | 2012-07-06 | 2013-02-13 | 浙江省华贸实业有限公司 | Cutter disk structure of mower |
| CN103283420A (en) * | 2013-06-19 | 2013-09-11 | 中国农业大学 | Alfalfa green hay making and arrangement method and equipment |
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| CN108738757A (en) | 2018-11-06 |
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