CN111903339B - Improved structure of straw crushing covering returning machine - Google Patents
Improved structure of straw crushing covering returning machine Download PDFInfo
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- CN111903339B CN111903339B CN202010724405.5A CN202010724405A CN111903339B CN 111903339 B CN111903339 B CN 111903339B CN 202010724405 A CN202010724405 A CN 202010724405A CN 111903339 B CN111903339 B CN 111903339B
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- throwing pipe
- side wall
- rocker
- circular
- grass throwing
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D82/00—Crop conditioners, i.e. machines for crushing or bruising stalks
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D34/00—Mowers; Mowing apparatus of harvesters
- A01D34/835—Mowers; Mowing apparatus of harvesters specially adapted for particular purposes
- A01D34/8355—Mowers; Mowing apparatus of harvesters specially adapted for particular purposes for cutting up or crushing remaining standing stalks, e.g. stubble
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D43/00—Mowers combined with apparatus performing additional operations while mowing
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- Threshing Machine Elements (AREA)
Abstract
The invention relates to an improved part structure of a straw crushing and covering returning machine of agricultural machinery, which is characterized in that a fan (7) is arranged on one side of the crushing and covering returning machine (6), a circular-arc grass throwing pipe (1) with an outlet gradually bent backwards is connected, and an outlet (11) of the fan (7) is connected with the circular-arc grass throwing pipe (1) through a rotating mechanism; an air taking hole (9) is formed in the inner side wall of the circular grass throwing pipe (1); a section of rocker (2) in the front-back direction is fixed on the front side wall or the rear side wall of the circular-arc grass throwing pipe (1), one end of a connecting rod (3) is rotatably connected to the rocker (2), the other end of the connecting rod is rotatably connected with an eccentric point of an output disc (4) of a turbine (5), and an air inlet of the turbine (5) is connected with an air taking hole (9) through an air taking hose (8). The invention solves the problems of poor burying effect of straws, straw conglobation and machine blockage during later soil preparation caused by high scattering unevenness of the straw crushing covering and returning machine. No need of external power and machines, energy saving, simplicity and high efficiency.
Description
Technical Field
The invention relates to an improved structure of a part of a straw smashing and covering returning machine of agricultural machinery, in particular to an improved structure of a straw throwing pipe part of a straw smashing and covering returning machine.
Background
In 2015, the department in agricultural rural areas jointly issues a notice about further accelerating the comprehensive utilization of crop straws and burning prohibition work with 4 departments such as development and reform committee and the like, and clearly provides a target task that the comprehensive utilization rate of the straws reaches more than 85% in 2020 nationwide. According to statistics, in 2017, the theoretical resource amount of the national straws is 10.25 hundred million tons, the collectable resource amount is 8.37 hundred million tons, the utilized amount is 7 hundred million tons, the comprehensive utilization rate reaches 83.68 percent, and the utilization pattern mainly based on fertilizer utilization and stably promoting feed and fuel conversion is basically formed.
One of the main ways of using fertilizer is to crush, cover and return the straw to the field. According to statistics, the area of returning straws to fields is increased by 2600 ten thousand mu in 2018 nationwide, the total area of returning straws to fields reaches 7.69 hundred million mu, and powerful support is provided for boosting the quality of cultivated land and protecting the blue sky. The reasonable mechanical smashing and returning technology is one of the most effective modes for straw treatment, not only can improve the organic matter structure of soil and improve the agricultural ecological benefit, but also plays roles of increasing fertilizer, increasing yield and increasing efficiency, is an important link for practicing a protective farming idea, and corresponding mechanical straw smashing, covering and returning operation equipment also emerges in succession.
At present, the throwing unevenness of the common straw smashing and covering returning machine in the market is high, so that the phenomena of poor straw burying effect, straw agglomeration and machine tool blockage appear in the later stage of soil preparation.
In order to solve the problem of uneven spreading, the inventor proposes that a guide plate structure is hung at the rear part of the straw crushing and covering returning machine, and crushed straws are rigidly stirred by transverse and oblique thrust of machinery to force to change the uniformity.
However, the disadvantage of such mechanical devices is also evident, in that the laterally oblique flow guidance is limited, and previously uneven, for example, the left side is too numerous to change to entirely uniform, but only slightly uniform in a limited side. Secondly, a suspended and dragged appliance is added, mechanical force is required for transverse pushing and poking, power consumption is increased, and operation cost is increased. Still undesirable and further improvements are highly desirable.
Disclosure of Invention
The invention aims to provide a structure which does not increase the cost consumption and improves the uniformity of the straw crushing covering and returning machine for crushed straws.
The purpose of the invention is realized by the following technical scheme:
an improved structure of a straw crushing and covering returning machine,
one side that is located to smash and covers still field machine has the fan, and the export slope of fan upwards connects the export and throws the straw pipe, its characterized in that to bend backward's arc gradually:
the outlet of the fan is connected with the arc grass throwing pipe through the rotating mechanism;
an air taking hole is formed in the inner side wall, namely the rear side wall, of the circular arc grass throwing pipe;
a section of rocker in the front-back direction is fixed on the front side wall or the back side wall of the circular-arc grass throwing pipe, one end of a connecting rod is rotatably connected on the rocker, the other end of the connecting rod is rotatably connected with an eccentric point of an output disc of the turbine, and an air inlet of the turbine is connected with the air taking hole through an air taking hose;
the rotating mechanism is of the following structure,
welding a section of cylindrical wear-resistant guard plate at an outlet of the fan, welding a circle of vertically protruding support plate ring on the wear-resistant guard plate, and respectively configuring a circle of balls and a ball guide frame above and below the support plate ring;
the lower end of the grass throwing pipe is welded with a circle of vertical flanging-shaped pressure plate ring, a tray box with an L-shaped section is arranged, the support plate ring, the balls and the ball guide frame are wrapped, and the pressure plate ring and the tray box are connected through a plurality of bolts.
By adopting the technical scheme, firstly, the outlet of the fan is connected with the arc grass throwing pipe through the rotating mechanism, namely the arc grass throwing pipe can rotate around the upward and inclined outlet of the fan.
When the straw is sprayed backwards and upwards by the arc grass throwing pipe bent backwards of the straw crushing covering returning machine, the straw slides along the outer side of the arc grass throwing pipe under the action of centrifugal force of straw substances moving in the arc grass throwing pipe, and the inner side of the arc grass throwing pipe is almost pure gas and airflow, so that a gas taking hole can be formed to take out part of compressed gas.
The compressed air flow is communicated to an air inlet of the turbine through the air taking hose to drive the turbine to rotate, an eccentric point of an output disc of the turbine forms a crank, a rocker fixed on the front side wall or the rear side wall of the arc grass throwing pipe in the front-rear direction is driven by a crank rocker mechanism to continuously rock or swing, so that the arc grass throwing pipe swings back and forth around the rotating mechanism at the root part, the arc grass throwing pipe has a certain length and has a certain amount of rocking motion at the rotating mechanism, and the arc grass throwing pipe can greatly swing at the outlet due to the tangent principle of tg alpha, so that the aim of obvious throwing uniformity is fulfilled.
The wear-resistant guard plate 12 is a component which can meet the rigid strength requirements of suspension and rotation of the circular-arc grass throwing pipe 1. The mechanism adopts a welding process more, and is a mode with simple process, firm connection and firm effect.
The bolt connection between the platen ring 16 and the tray case 13 may be a direct screw bolt connection from the top downward, or may be a bolt connection through some connecting plates. In accordance with the description, a turning mechanism can be configured and assembled that is both reliable and flexible to meet the particular needs of the present invention.
Furthermore, the rocker is fixed on the front side wall of the arc grass throwing pipe.
Furthermore, a plurality of connecting holes connected with the connecting rod are formed in the length direction of the rocker.
Further, the disk surface of the turbine output disk is parallel to the rocker.
Furthermore, a filter screen is arranged at the air taking hole.
The invention has the advantages and beneficial effects that:
the invention solves the problems of poor burying effect of straws, straw conglomeration and machine blockage in later soil preparation due to high throwing unevenness of the straw smashing and covering returning machine. The method ensures that the 'notice about further accelerating the comprehensive utilization of the crop straws and the burning prohibition work' jointly issued by 4 departments such as the development and reform Commission in the department of rural agriculture and the like is realized, and the target task that the comprehensive utilization rate of the straws in the whole country reaches more than 85 percent in 2020 is achieved.
And secondly, compressed gas flow at the inner side of the circular straw throwing pipe of the straw crushing and covering returning machine is skillfully used, waste is changed into power, and a turbine is driven to rotate, so that the mechanism disclosed by the invention operates.
And thirdly, as the circular arc grass throwing pipe 1 has larger volume and longer length, is not perpendicular to the ground but inclined to the ground, when the circular arc grass throwing pipe rotates, the stress directions of the upper half part and the lower half part of the connecting part are opposite, and the repeated rotation has stronger requirements on rigidity, strength and rotation flexibility for a rotating mechanism.
Fourthly, other mechanical appliances do not need to be hung and dragged additionally, cost and energy are saved, and high efficiency is achieved.
Drawings
FIG. 1 is a schematic top perspective view of an improved structure of a straw cutting mulching and returning machine of the present invention, including the general component arrangement of the improved structure, from above and behind the machine;
FIG. 2 is a sectional view of a rotating mechanism in the improved structure of the straw crushing mulching and returning machine of the present invention;
fig. 3 is a top view of fig. 2.
In the figure, 1 is a circular grass throwing pipe, 2 is a rocker, 3 is a connecting rod, 4 is an output disc, 5 is a turbine, 6 is a crushing returning machine, 7 is a fan, 8 is an air taking hose, 9 is an air taking hole, 10 is a supporting plate ring, 11 is an outlet, 12 is a wear-resistant guard plate, 13 is a tray box, 14 is a ball guide frame, 15 is a ball and 16 is a pressing plate ring.
Detailed Description
The structure of the present invention will be described in further detail below with reference to the accompanying drawings.
An improved structure of a straw crushing and covering returning machine,
a fan 7 is arranged at one side of the crushing and returning machine 6, an outlet 11 of the fan 7 faces upwards and is connected with a circular arc grass throwing pipe 1 with an outlet gradually bent backwards through a rotating mechanism,
an air taking hole 9 is formed in the inner side wall of the circular arc grass throwing pipe 1;
a rocker 2 with a forward direction is fixed on the outer side wall, namely the front side wall, of the circular arc grass throwing pipe 1, one end of a connecting rod 3 is rotatably connected to the rocker 2, the other end of the connecting rod 3 is rotatably connected with an eccentric point of an output disc 4 of a turbine 5, and an air inlet of the turbine 5 is connected with an air taking hole 9 through an air taking hose 8.
The rotating mechanism is of the following structure,
a section of cylindrical wear-resistant guard plate 12 is welded at an outlet 11 of the fan 7, a circle of vertically protruding support plate ring 10 is welded on the wear-resistant guard plate 12, and a circle of balls 15 and a ball guide frame 14 are respectively arranged above and below the support plate ring 10;
a circle of vertical flanging-shaped pressure plate ring 16 is welded at the lower end of the circular grass throwing pipe 1, a tray box 13 with an L-shaped section is arranged, the support plate ring 10, the balls 15 and the ball guide frame 14 are wrapped, and the pressure plate ring 16 and the tray box 13 are connected through a plurality of bolts.
The rocker 2 is fixed on the front side wall of the circular arc grass throwing pipe 1.
The rocker 2 component can be arranged on the front side wall of the circular arc grass throwing pipe 1 and can also be arranged on the rear side wall, but the front side wall is better, firstly, space is reserved for assembly and maintenance, operation is convenient, secondly, the swinging outer side of the grass throwing pipe is stressed, the relatively swinging force arm is long, labor is saved, and the effect is obvious.
And a plurality of connecting holes connected with the connecting rod 3 are formed in the length direction of the rocker 2. Different connecting holes are connected, the length of the rocker 2 is changed, the amplitude of the rocking swing is changed, the adjustment is carried out according to the specific condition of the operation of the straw crushing and covering returning machine, and the best uniform scattering amplitude is obtained and obtained.
The disk surface of the output disk 4 of the turbine 5 is parallel to the rocker 2. Since the turbine 5 is arranged in the space, special attention needs to be paid to the fact that the mechanism can flexibly and accurately rotate, and the smooth operation of the whole set of mechanism is ensured.
And a filter screen is arranged at the air taking hole 9. Theoretically, the inner side of the circular grass throwing pipe is almost pure gas and airflow, but before and after starting, the airflow speed is slightly slow, so that the situation that straw sparse sundries are mixed into the air taking hole 9 and even the air taking hose 8 enters the turbine 5 is inevitable, and the filter screen is added for preventing the occurrence of the phenomenon, of course, the phenomenon is not necessary, and the operation can be avoided. And the installation position of the filter screen can be conveniently cleaned.
The present invention is not limited to the above embodiments, and based on the technical solutions disclosed above, those skilled in the art can make some substitutions and modifications to some technical features without creative efforts, and these substitutions and modifications are all within the protection scope of the present invention.
Claims (5)
1. An improved structure of a straw crushing and covering returning machine,
one side that is located to smash and covers still field machine (6) has fan (7), and export (11) slope of fan (7) are upwards, connect export circular arc grass throwing pipe (1) of gradually turning backward, its characterized in that:
an outlet (11) of the fan (7) is connected with the arc grass throwing pipe (1) through a rotating mechanism;
an air taking hole (9) is formed in the inner side wall, namely the rear side wall, of the circular-arc grass throwing pipe (1);
a section of rocker (2) in the front-back direction is fixed on the front side wall or the rear side wall of the circular-arc grass throwing pipe (1), one end of a connecting rod (3) is rotatably connected onto the rocker (2), the other end of the connecting rod (3) is rotatably connected with an eccentric point of an output disc (4) of a turbine (5), and an air inlet of the turbine (5) is connected with an air taking hole (9) through an air taking hose (8);
the rotating mechanism is of the following structure,
a section of cylindrical wear-resistant guard plate (12) is welded at an outlet (11) of the fan (7), a circle of vertically protruding support plate ring (10) is welded on the wear-resistant guard plate (12), and a circle of balls (15) and a ball guide frame (14) are respectively arranged above and below the support plate ring (10);
the lower end of the grass throwing pipe (1) is welded with a circle of vertical flanging-shaped pressure plate ring (16), a tray box (13) with an L-shaped section is configured, a supporting plate ring (10), balls (15) and a ball guide frame (14) are wrapped, and the pressure plate ring (16) and the tray box (13) are connected through a plurality of bolts.
2. The improved structure of the straw crushing mulching and returning machine as claimed in claim 1, wherein the rocker (2) is fixed on the front side wall of the circular arc-shaped grass throwing pipe (1).
3. The improved structure of the straw crushing and mulching machine as claimed in claim 1, wherein the rocker (2) is provided with a plurality of connecting holes connected with the connecting rod (3) in the length direction.
4. The improved structure of the straw crushing mulching machine as claimed in claim 1, wherein the disc surface of the output disc (4) of the turbine (5) is parallel to the rocker (2).
5. The improved structure of the straw crushing mulching machine as claimed in claim 1, wherein a filter screen is arranged at the air intake hole (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010724405.5A CN111903339B (en) | 2020-07-24 | 2020-07-24 | Improved structure of straw crushing covering returning machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010724405.5A CN111903339B (en) | 2020-07-24 | 2020-07-24 | Improved structure of straw crushing covering returning machine |
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| Publication Number | Publication Date |
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| CN111903339A CN111903339A (en) | 2020-11-10 |
| CN111903339B true CN111903339B (en) | 2022-03-18 |
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| CN202010724405.5A Active CN111903339B (en) | 2020-07-24 | 2020-07-24 | Improved structure of straw crushing covering returning machine |
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Citations (14)
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| EP1151655A1 (en) * | 2000-05-04 | 2001-11-07 | Maschinenfabrik Bernard Krone GmbH | Self-propelled harvester especially forage harvester |
| CN2640215Y (en) * | 2003-07-14 | 2004-09-15 | 山东华兴机械集团有限责任公司 | Ensiling harvester for maize |
| CA2590808A1 (en) * | 2006-05-31 | 2007-11-30 | Attachment Technologies Incorporated | Cutter head with multiple mounts, bushing assembly and/or cooler assembly |
| CN201617034U (en) * | 2009-11-20 | 2010-11-03 | 徐州市农机技术推广站 | Straw chopping, throwing and returning machine |
| CN204392883U (en) * | 2015-01-12 | 2015-06-17 | 吉林农业大学 | Stalk goes back machine deeply |
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| CN107750663A (en) * | 2017-11-22 | 2018-03-06 | 新疆农垦科学院 | The broken mulch film recovery combine of dual horizontal shaft type powder of straw |
| CN107820860A (en) * | 2017-12-05 | 2018-03-23 | 沈阳农业大学 | The buried chopper of air-flowing type band straw collecting |
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| CN108323317A (en) * | 2018-04-02 | 2018-07-27 | 农业部南京农业机械化研究所 | A kind of no-tillage chopper of stalk |
| CN208016271U (en) * | 2018-02-02 | 2018-10-30 | 农业部南京农业机械化研究所 | A kind with broken straw rear-tow type wide row standing crop stalk no-tillage seeding machine |
| CN108848718A (en) * | 2018-07-04 | 2018-11-23 | 农业部南京农业机械化研究所 | The wheat seeder full dose stalk of stalk automatic shunt regulation can be achieved |
| CN109005892A (en) * | 2018-07-30 | 2018-12-18 | 山东国丰机械有限公司 | A kind of self-propelled ear-stem harvester for maize |
| CN109769481A (en) * | 2019-02-20 | 2019-05-21 | 农业农村部南京农业机械化研究所 | A kind of stalk component is adjustable to pick up defeated device |
-
2020
- 2020-07-24 CN CN202010724405.5A patent/CN111903339B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1151655A1 (en) * | 2000-05-04 | 2001-11-07 | Maschinenfabrik Bernard Krone GmbH | Self-propelled harvester especially forage harvester |
| CN2640215Y (en) * | 2003-07-14 | 2004-09-15 | 山东华兴机械集团有限责任公司 | Ensiling harvester for maize |
| CA2590808A1 (en) * | 2006-05-31 | 2007-11-30 | Attachment Technologies Incorporated | Cutter head with multiple mounts, bushing assembly and/or cooler assembly |
| CN201617034U (en) * | 2009-11-20 | 2010-11-03 | 徐州市农机技术推广站 | Straw chopping, throwing and returning machine |
| CN204392883U (en) * | 2015-01-12 | 2015-06-17 | 吉林农业大学 | Stalk goes back machine deeply |
| CN204518531U (en) * | 2015-02-10 | 2015-08-05 | 农业部南京农业机械化研究所 | A kind of anti-blocking stagnant device of pressing sliding Combined type farm implement |
| CN108142080A (en) * | 2016-12-06 | 2018-06-12 | 新疆农垦科学院 | A kind of bilateral output type straw chopping and returning machine that can remove earth's surface sundries |
| CN107750663A (en) * | 2017-11-22 | 2018-03-06 | 新疆农垦科学院 | The broken mulch film recovery combine of dual horizontal shaft type powder of straw |
| CN107820860A (en) * | 2017-12-05 | 2018-03-23 | 沈阳农业大学 | The buried chopper of air-flowing type band straw collecting |
| CN208016271U (en) * | 2018-02-02 | 2018-10-30 | 农业部南京农业机械化研究所 | A kind with broken straw rear-tow type wide row standing crop stalk no-tillage seeding machine |
| CN108323317A (en) * | 2018-04-02 | 2018-07-27 | 农业部南京农业机械化研究所 | A kind of no-tillage chopper of stalk |
| CN108848718A (en) * | 2018-07-04 | 2018-11-23 | 农业部南京农业机械化研究所 | The wheat seeder full dose stalk of stalk automatic shunt regulation can be achieved |
| CN109005892A (en) * | 2018-07-30 | 2018-12-18 | 山东国丰机械有限公司 | A kind of self-propelled ear-stem harvester for maize |
| CN109769481A (en) * | 2019-02-20 | 2019-05-21 | 农业农村部南京农业机械化研究所 | A kind of stalk component is adjustable to pick up defeated device |
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| CN111903339A (en) | 2020-11-10 |
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